1. The document provides instructions for removing and installing various engine components of a 3406C diesel engine, including the spacer plate, valves, valve seat inserts, bridge dowels, valve guides, oil pan and plate, oil pump, and piston cooling tubes.
2. The instructions describe cleaning and preparing surfaces, using specific tools to remove and install components, and ensuring proper installation and operation after reassembly.
3. The overall process involves disassembling parts, cleaning surfaces, installing new parts as needed, and reassembling the engine, with the goal of properly servicing the 3406C diesel engine.
The document provides instructions for removing and installing various components of a 3406C diesel engine cylinder head. The procedures include removing and installing the cylinder head assembly, spacer plate, valves, valve seat inserts, bridge dowels, valve guides, and oil pan and plate. The instructions describe the specific steps to disassemble and reassemble each component.
The document provides instructions for removing and installing various components of a 3406C diesel engine cylinder head. The procedures include removing and installing the cylinder head assembly, spacer plate, valves, valve seat inserts, bridge dowels, valve guides, and oil pan and plate. The instructions describe the specific steps to disassemble and reassemble each component.
The document provides instructions for removing and installing various components of a 3406C diesel engine cylinder head. The procedures include removing and installing the cylinder head assembly, spacer plate, valves, valve seat inserts, bridge dowels, valve guides, and oil pan and plate. The instructions describe the specific steps to disassemble and reassemble each component.
The document provides instructions for removing and installing various components of a 3406C diesel engine cylinder head. The procedures include removing and installing the cylinder head assembly, spacer plate, valves, valve seat inserts, bridge dowels, valve guides, and oil pan and plate. The instructions describe the specific steps to disassemble and reassemble each component.
The document provides instructions for removing and installing various components of a 3406C diesel engine cylinder head, including:
1. Removing the cylinder head assembly, valves, valve seat inserts, bridge dowels, and valve guides.
2. Preparing surfaces and installing new gaskets, seals and components in the reverse order of removal, taking care to clean parts and apply lubricants.
3. Tightening head bolts in a specific sequence and torqueing all fasteners to the specified values.
The document provides instructions for removing and installing various components of a 3406C diesel engine cylinder head. The procedures include removing and installing the cylinder head assembly, spacer plate, valves, valve seat inserts, bridge dowels, valve guides, and oil pan and plate. The instructions describe the specific steps to disassemble and reassemble each component.
The document provides instructions for removing and installing various components of a 3406C diesel engine cylinder head. The procedures include removing and installing the cylinder head assembly, spacer plate, valves, valve seat inserts, bridge dowels, valve guides, and oil pan and plate. The instructions describe the specific steps to disassemble and reassemble each component.
The document provides instructions for removing and installing various components of a 3406C diesel engine cylinder head assembly, including the cylinder head, spacer plate, valves, valve seats, bridge dowels, valve guides, and oil pan. The removal process involves disconnecting related components and removing mounting bolts, while installation involves cleaning surfaces, installing new gaskets and seals, and tightening bolts in the specified sequence.
The document provides instructions for removing and installing various components of a 3406C diesel engine cylinder head. The procedures include removing and installing the cylinder head assembly, spacer plate, valves, valve seat inserts, bridge dowels, valve guides, and oil pan and plate. The instructions describe the specific steps to disassemble and reassemble each component.
The document provides instructions for removing and installing various components of a 3406C diesel engine cylinder head. The procedures include removing and installing the cylinder head assembly, spacer plate, valves, valve seat inserts, bridge dowels, valve guides, and oil pan and plate. The instructions describe the specific steps to disassemble and reassemble each component.
The document provides instructions for removing and installing various components of a 3406C diesel engine cylinder head. The procedures include removing and installing the cylinder head assembly, spacer plate, valves, valve seat inserts, bridge dowels, valve guides, and oil pan and plate. The instructions describe the specific steps to disassemble and reassemble each component.
The document provides instructions for removing and installing various components of a 3406C diesel engine cylinder head. The procedures include removing and installing the cylinder head assembly, spacer plate, valves, valve seat inserts, bridge dowels, valve guides, and oil pan and plate. The instructions describe the specific steps to disassemble and reassemble each component.
The document provides instructions for removing and installing various components of a 3406C diesel engine cylinder head, including:
1. Removing the cylinder head assembly, valves, valve seat inserts, bridge dowels, and valve guides.
2. Preparing surfaces and installing new gaskets, seals and components in the reverse order of removal, taking care to clean parts and apply lubricants.
3. Tightening head bolts in a specific sequence and torqueing all fasteners to the specified values.
The document provides instructions for removing and installing various components of a 3406C diesel engine cylinder head. The procedures include removing and installing the cylinder head assembly, spacer plate, valves, valve seat inserts, bridge dowels, valve guides, and oil pan and plate. The instructions describe the specific steps to disassemble and reassemble each component.
The document provides instructions for removing and installing various components of a 3406C diesel engine cylinder head. The procedures include removing and installing the cylinder head assembly, spacer plate, valves, valve seat inserts, bridge dowels, valve guides, and oil pan and plate. The instructions describe the specific steps to disassemble and reassemble each component.
The document provides instructions for removing and installing various components of a 3406C diesel engine cylinder head assembly, including the cylinder head, spacer plate, valves, valve seats, bridge dowels, valve guides, and oil pan. The removal process involves disconnecting related components and removing mounting bolts, while installation involves cleaning surfaces, installing new gaskets and seals, and tightening bolts in the specified sequence.
The document provides instructions for removing and installing various components of a 3406C diesel engine cylinder head, including the cylinder head assembly, spacer plate, valves, valve seat inserts, bridge dowels, and valve guides. The procedures involve using various tools to remove and install gaskets and seals, cleaning surfaces, and tightening bolts in a specific sequence while applying lubricants.
The document provides instructions for removing and installing various engine components of a 3406C diesel engine, including the cylinder head assembly, spacer plate, valves, valve guides, oil pan, and plate. The removal process involves draining oil, removing mounting bolts, lifting components, and extracting seals and gaskets. The installation process specifies cleaning surfaces, inserting new seals and gaskets, lowering components into place, and tightening bolts in a specific sequence while applying lubricant.
The document provides instructions for removing and installing various engine components of a 3406C diesel engine, including the cylinder head assembly, spacer plate, valves, valve guides, oil pan, and plate. The removal process involves draining oil, removing mounting bolts, lifting components, and extracting seals and gaskets. The installation process specifies cleaning surfaces, inserting new seals and gaskets, lowering components into place, and tightening bolts in a specific sequence while applying lubricant.
The document provides instructions for removing and installing various components of a 3406C diesel engine cylinder head, including the cylinder head assembly, spacer plate, valves, valve seat inserts, bridge dowels, and valve guides. The instructions are step-by-step and include notes about cleaning, lubricating, and tightening components to the specified torques.
The document provides instructions for removing and installing various components of a 3406C diesel engine cylinder head, including the cylinder head assembly, spacer plate, valves, valve seat inserts, bridge dowels, and valve guides. The multi-step procedures include removing and installing components, cleaning surfaces, applying lubricants, and tightening fasteners to specified torques.
The document provides instructions for removing and installing various components of a 3406C diesel engine cylinder head, including the cylinder head assembly, spacer plate, valves, valve seat inserts, bridge dowels, and valve guides. The multi-step procedures include removing and installing components, cleaning surfaces, applying lubricants, and tightening fasteners to specified torques.
The document provides instructions for removing and installing various components of a 3406C diesel engine cylinder head assembly, including the cylinder head, spacer plate, valves, valve guides, bridge dowels, and oil pan. The multi-step procedures describe draining oil, removing and installing bolts, gaskets and seals, checking clearances, and tightening fasteners in the specified sequence.
The document provides instructions for removing and installing various components of a 3406C diesel engine cylinder head assembly, including the cylinder head, spacer plate, valves, valve guides, bridge dowels, and oil pan. The multi-step procedures describe draining oil, removing and installing bolts, gaskets and seals, checking clearances, and tightening fasteners in the specified sequence.
The document provides instructions for disassembling and assembling the transmission hydraulic control valves of a wheel scraper. Key steps include:
1. Removing sleeves, manifolds, valve groups, spools, actuators and other components from the transmission and control group.
2. Cleaning components and installing new seals and o-rings as needed before reassembly.
3. Reassembling the components in reverse order, making sure to properly align parts and apply the specified torques to bolts.
The document provides instructions for removing and installing an oil filter bypass valve on a 3204 vehicular engine. It describes removing plug 1 which contains the spring and bypass valve. When reinstalling, the instructions note to ensure the O-ring seal is on plug 1 and to apply clean oil before reinstalling the spring, bypass valve and plug 1.
1) The document provides instructions for disassembling and assembling the governor component of a 3204 vehicular engine used in Caterpillar 953 track loaders.
2) The disassembly instructions include removing the fuel injection pump housing, governor housing cover, adjustment screws, lever assembly, torque control group, and weight assembly.
3) The assembly instructions list installing these components in reverse order and adjusting clearance measurements and spring tensions as specified.
The document provides instructions for removing and installing the timing gears and plate of a 3204 vehicular engine. Key steps include:
1. Remove the timing gear cover, oil pump, and relief valve.
2. Inspect components like the oil pump rotors and bearing for wear. Replace as needed.
3. Install the oil pump, relief valve, and timing gear plate, checking clearances and torques specified.
4. Reinstall the timing gear cover after assembly is complete.
This document provides disassembly and assembly instructions for a governor for a 3204 vehicular engine used in 943 and 953 track-type loaders. It describes removing and installing over 30 individual parts in 37 steps to fully disassemble and reassemble the governor. The key components include the housing, shaft assembly, lever assembly, torque control group, and flyweight assembly. Proper installation is important to prevent issues with fuel delivery control.
This document provides disassembly and assembly instructions for a governor for a 3204 vehicular engine used in 943 and 953 track-type loaders. It describes removing and installing over 70 individual parts in 37 steps for disassembly and 33 steps for assembly, including removing the fuel injection pump housing, governor components like springs, pins, and levers, and reinstalling them in the reverse order. The goal is to repair or replace parts like the governor shaft, flyweights, or dashpot assembly. Precise reassembly is needed for proper engine function.
This document provides disassembly and assembly instructions for a governor for a 3204 vehicular engine used in 943 and 953 track-type loaders. It describes removing and installing over 30 individual parts in 3 sentences or less for each step. The overall process involves disassembling the governor housing, fuel injection pump housing, and various internal components and installing them in the reverse order.
This document provides instructions for assembling and disassembling the transfer gears of a 631G wheel scraper. The assembly procedure involves 18 steps including installing bearings and seals into bearing cages, installing gears and bearing cages into the transfer gear case housing, and torquing bolts to specified values. Tools required include link brackets, pullers, drivers, and dial indicators. Cleanliness is emphasized to prevent contamination of hydraulic components.
This document provides instructions for disassembling and assembling components of the retarder and bearing cage (drive shaft) of a 623G wheel tractor. The disassembly procedure involves using various tools to remove 15 different components. The assembly procedure instructs installing the components in reverse order and refers to other documents for installing related components. Safety notices are provided regarding containing fluids and preventing contamination.
This document provides disassembly and assembly instructions for a 3406C engine governor. It begins with removing the fuel injection pump housing and governor. It then provides 37 detailed steps for disassembling the governor components. The assembly section provides 43 steps for reassembling the governor in reverse order.
This document provides instructions for disassembling and assembling the torque converter of a Caterpillar 621H wheel tractor. The disassembly process involves using various tools to remove 18 different components from the torque converter housing. The assembly process describes installing the components in reverse order and includes checking clearances with a dial indicator. The overall procedure provides a step-by-step guide for maintenance technicians to fully disassemble and reassemble the tractor's torque converter.
The document provides instructions for disassembling and assembling various components of the transmission system on a Caterpillar 621E wheel scraper. It describes how to remove and install the transfer gears, transmission control box, transmission oil filter, and drive shaft group with retarder. The multi-step procedures include removing bolts, shims, bearings, seals, and other individual parts in a specified sequence. Tolerances and torque specifications are provided for correctly assembling the components.
This document provides assembly instructions for an excavator final drive. It involves assembling several components in the following order:
1. Install the sprocket and bearings in the housing
2. Determine the correct shim thickness and install shims and coupling gear
3. Install seals, dowel pins, and connect the housing to the motor housing
4. Add remaining components like ring gear, planetary gears, shafts, and seals
5. Finish by staking the shafts in place and installing the final retaining ring
The process requires precision measurements and cleaning of parts to ensure proper assembly.
1) The document provides assembly instructions for a final drive on an excavator.
2) It involves over 40 steps to assemble bearings, seals, gears, carriers, housing and cover components.
3) Special tools and procedures are required to set bearing preloads, install seals, and test for leaks. Proper torque values and sealants are specified.
More Related Content
Similar to Caterpillar Cat 621E WHEEL TRACTOR (Prefix 6AB) Service Repair Manual (6AB00001-01427).pdf
The document provides instructions for removing and installing various components of a 3406C diesel engine cylinder head, including the cylinder head assembly, spacer plate, valves, valve seat inserts, bridge dowels, and valve guides. The procedures involve using various tools to remove and install gaskets and seals, cleaning surfaces, and tightening bolts in a specific sequence while applying lubricants.
The document provides instructions for removing and installing various engine components of a 3406C diesel engine, including the cylinder head assembly, spacer plate, valves, valve guides, oil pan, and plate. The removal process involves draining oil, removing mounting bolts, lifting components, and extracting seals and gaskets. The installation process specifies cleaning surfaces, inserting new seals and gaskets, lowering components into place, and tightening bolts in a specific sequence while applying lubricant.
The document provides instructions for removing and installing various engine components of a 3406C diesel engine, including the cylinder head assembly, spacer plate, valves, valve guides, oil pan, and plate. The removal process involves draining oil, removing mounting bolts, lifting components, and extracting seals and gaskets. The installation process specifies cleaning surfaces, inserting new seals and gaskets, lowering components into place, and tightening bolts in a specific sequence while applying lubricant.
The document provides instructions for removing and installing various components of a 3406C diesel engine cylinder head, including the cylinder head assembly, spacer plate, valves, valve seat inserts, bridge dowels, and valve guides. The instructions are step-by-step and include notes about cleaning, lubricating, and tightening components to the specified torques.
The document provides instructions for removing and installing various components of a 3406C diesel engine cylinder head, including the cylinder head assembly, spacer plate, valves, valve seat inserts, bridge dowels, and valve guides. The multi-step procedures include removing and installing components, cleaning surfaces, applying lubricants, and tightening fasteners to specified torques.
The document provides instructions for removing and installing various components of a 3406C diesel engine cylinder head, including the cylinder head assembly, spacer plate, valves, valve seat inserts, bridge dowels, and valve guides. The multi-step procedures include removing and installing components, cleaning surfaces, applying lubricants, and tightening fasteners to specified torques.
The document provides instructions for removing and installing various components of a 3406C diesel engine cylinder head assembly, including the cylinder head, spacer plate, valves, valve guides, bridge dowels, and oil pan. The multi-step procedures describe draining oil, removing and installing bolts, gaskets and seals, checking clearances, and tightening fasteners in the specified sequence.
The document provides instructions for removing and installing various components of a 3406C diesel engine cylinder head assembly, including the cylinder head, spacer plate, valves, valve guides, bridge dowels, and oil pan. The multi-step procedures describe draining oil, removing and installing bolts, gaskets and seals, checking clearances, and tightening fasteners in the specified sequence.
Similar to Caterpillar Cat 621E WHEEL TRACTOR (Prefix 6AB) Service Repair Manual (6AB00001-01427).pdf (8)
The document provides instructions for disassembling and assembling the transmission hydraulic control valves of a wheel scraper. Key steps include:
1. Removing sleeves, manifolds, valve groups, spools, actuators and other components from the transmission and control group.
2. Cleaning components and installing new seals and o-rings as needed before reassembly.
3. Reassembling the components in reverse order, making sure to properly align parts and apply the specified torques to bolts.
The document provides instructions for removing and installing an oil filter bypass valve on a 3204 vehicular engine. It describes removing plug 1 which contains the spring and bypass valve. When reinstalling, the instructions note to ensure the O-ring seal is on plug 1 and to apply clean oil before reinstalling the spring, bypass valve and plug 1.
1) The document provides instructions for disassembling and assembling the governor component of a 3204 vehicular engine used in Caterpillar 953 track loaders.
2) The disassembly instructions include removing the fuel injection pump housing, governor housing cover, adjustment screws, lever assembly, torque control group, and weight assembly.
3) The assembly instructions list installing these components in reverse order and adjusting clearance measurements and spring tensions as specified.
The document provides instructions for removing and installing the timing gears and plate of a 3204 vehicular engine. Key steps include:
1. Remove the timing gear cover, oil pump, and relief valve.
2. Inspect components like the oil pump rotors and bearing for wear. Replace as needed.
3. Install the oil pump, relief valve, and timing gear plate, checking clearances and torques specified.
4. Reinstall the timing gear cover after assembly is complete.
This document provides disassembly and assembly instructions for a governor for a 3204 vehicular engine used in 943 and 953 track-type loaders. It describes removing and installing over 30 individual parts in 37 steps to fully disassemble and reassemble the governor. The key components include the housing, shaft assembly, lever assembly, torque control group, and flyweight assembly. Proper installation is important to prevent issues with fuel delivery control.
This document provides disassembly and assembly instructions for a governor for a 3204 vehicular engine used in 943 and 953 track-type loaders. It describes removing and installing over 70 individual parts in 37 steps for disassembly and 33 steps for assembly, including removing the fuel injection pump housing, governor components like springs, pins, and levers, and reinstalling them in the reverse order. The goal is to repair or replace parts like the governor shaft, flyweights, or dashpot assembly. Precise reassembly is needed for proper engine function.
This document provides disassembly and assembly instructions for a governor for a 3204 vehicular engine used in 943 and 953 track-type loaders. It describes removing and installing over 30 individual parts in 3 sentences or less for each step. The overall process involves disassembling the governor housing, fuel injection pump housing, and various internal components and installing them in the reverse order.
This document provides instructions for assembling and disassembling the transfer gears of a 631G wheel scraper. The assembly procedure involves 18 steps including installing bearings and seals into bearing cages, installing gears and bearing cages into the transfer gear case housing, and torquing bolts to specified values. Tools required include link brackets, pullers, drivers, and dial indicators. Cleanliness is emphasized to prevent contamination of hydraulic components.
This document provides instructions for disassembling and assembling components of the retarder and bearing cage (drive shaft) of a 623G wheel tractor. The disassembly procedure involves using various tools to remove 15 different components. The assembly procedure instructs installing the components in reverse order and refers to other documents for installing related components. Safety notices are provided regarding containing fluids and preventing contamination.
This document provides disassembly and assembly instructions for a 3406C engine governor. It begins with removing the fuel injection pump housing and governor. It then provides 37 detailed steps for disassembling the governor components. The assembly section provides 43 steps for reassembling the governor in reverse order.
This document provides instructions for disassembling and assembling the torque converter of a Caterpillar 621H wheel tractor. The disassembly process involves using various tools to remove 18 different components from the torque converter housing. The assembly process describes installing the components in reverse order and includes checking clearances with a dial indicator. The overall procedure provides a step-by-step guide for maintenance technicians to fully disassemble and reassemble the tractor's torque converter.
The document provides instructions for disassembling and assembling various components of the transmission system on a Caterpillar 621E wheel scraper. It describes how to remove and install the transfer gears, transmission control box, transmission oil filter, and drive shaft group with retarder. The multi-step procedures include removing bolts, shims, bearings, seals, and other individual parts in a specified sequence. Tolerances and torque specifications are provided for correctly assembling the components.
This document provides assembly instructions for an excavator final drive. It involves assembling several components in the following order:
1. Install the sprocket and bearings in the housing
2. Determine the correct shim thickness and install shims and coupling gear
3. Install seals, dowel pins, and connect the housing to the motor housing
4. Add remaining components like ring gear, planetary gears, shafts, and seals
5. Finish by staking the shafts in place and installing the final retaining ring
The process requires precision measurements and cleaning of parts to ensure proper assembly.
1) The document provides assembly instructions for a final drive on an excavator.
2) It involves over 40 steps to assemble bearings, seals, gears, carriers, housing and cover components.
3) Special tools and procedures are required to set bearing preloads, install seals, and test for leaks. Proper torque values and sealants are specified.
The document provides instructions for disassembling and assembling a swivel and swing motor on an excavator. Key steps include:
1. Removing bolts, seals and components to separate the swivel housing, rotor and cover.
2. Applying clean oil to seals before reassembling components in reverse order.
3. Draining swing motor oil before disconnecting hoses and removing bolts to lift out the motor.
4. Dismantling the swing motor involves removing springs, seals, pistons and other internal parts in a specific sequence.
1) The document provides instructions for removing, disassembling, and assembling the hydraulic tank on a 438D Backhoe Loader.
2) It describes draining the hydraulic oil, disconnecting hoses, and removing bolts to detach the tank.
3) Disassembly steps include removing the diffuser assembly, seals, and sight gauge fittings. Assembly is the reverse of disassembly.
The document provides instructions for servicing components of the air conditioning system on a Caterpillar 438C BACKHOE LOADER, including removing and installing the air conditioner compressor group, air conditioner filter, and entire air conditioner unit. Proper handling of refrigerants is emphasized, and specific tools and procedures are referenced to reclaim refrigerants according to environmental regulations.
The document provides instructions for removing and installing a fuel filter base on a 3054 engine. It begins by noting the importance of cleanliness and containing fluids. It then lists 7 steps to remove the base, including disconnecting various fuel lines and removing three bolts holding fuel lines to the rear of the engine. Proper capping and plugging of lines is emphasized.
This document provides instructions for removing and installing various engine components on a Caterpillar 3054 engine, including:
- Water temperature regulator removal and installation in 3 steps
- Water outlet manifold removal in 5 steps and installation in 6 steps
- Flywheel removal in 6 steps and installation in 7 steps
- Crankshaft rear seal removal starting with removing the flywheel and taking out housing bolts in 3 steps
The document contains detailed diagrams and notices about keeping parts clean and containing fluids to complete the repair and replacement procedures safely.
The document provides installation instructions for a transmission and parking brake on a 434E backhoe loader. It describes 25 steps to install the transmission using various tools, including attaching hoses and electrical connections. It then details 14 steps to remove the parking brake and 11 steps to reinstall it, noting the need to properly adjust lever orientation and spring tension.
Fleet management these days is next to impossible without connected vehicle solutions. Why? Well, fleet trackers and accompanying connected vehicle management solutions tend to offer quite a few hard-to-ignore benefits to fleet managers and businesses alike. Let’s check them out!
Implementing ELDs or Electronic Logging Devices is slowly but surely becoming the norm in fleet management. Why? Well, integrating ELDs and associated connected vehicle solutions like fleet tracking devices lets businesses and their in-house fleet managers reap several benefits. Check out the post below to learn more.
Welcome to ASP Cranes, your trusted partner for crane solutions in Raipur, Chhattisgarh! With years of experience and a commitment to excellence, we offer a comprehensive range of crane services tailored to meet your lifting and material handling needs.
At ASP Cranes, we understand the importance of reliable and efficient crane operations in various industries, from construction and manufacturing to logistics and infrastructure development. That's why we strive to deliver top-notch solutions that enhance productivity, safety, and cost-effectiveness for our clients.
Our services include:
Crane Rental: Whether you need a crawler crane for heavy lifting or a hydraulic crane for versatile operations, we have a diverse fleet of well-maintained cranes available for rent. Our rental options are flexible and can be customized to suit your project requirements.
Crane Sales: Looking to invest in a crane for your business? We offer a wide selection of new and used cranes from leading manufacturers, ensuring you find the perfect equipment to match your needs and budget.
Crane Maintenance and Repair: To ensure optimal performance and safety, regular maintenance and timely repairs are essential for cranes. Our team of skilled technicians provides comprehensive maintenance and repair services to keep your equipment running smoothly and minimize downtime.
Crane Operator Training: Proper training is crucial for safe and efficient crane operation. We offer specialized training programs conducted by certified instructors to equip operators with the skills and knowledge they need to handle cranes effectively.
Custom Solutions: We understand that every project is unique, which is why we offer custom crane solutions tailored to your specific requirements. Whether you need modifications, attachments, or specialized equipment, we can design and implement solutions that meet your needs.
At ASP Cranes, customer satisfaction is our top priority. We are dedicated to delivering reliable, cost-effective, and innovative crane solutions that exceed expectations. Contact us today to learn more about our services and how we can support your project in Raipur, Chhattisgarh, and beyond. Let ASP Cranes be your trusted partner for all your crane needs!
The Octavia range embodies the design trend of the Škoda brand: a fusion of
aesthetics, safety and practicality. Whether you see the car as a whole or step
closer and explore its unique features, the Octavia range radiates with the
harmony of functionality and emotion
What Could Be Behind Your Mercedes Sprinter's Power Loss on Uphill RoadsSprinter Gurus
Unlock the secrets behind your Mercedes Sprinter's uphill power loss with our comprehensive presentation. From fuel filter blockages to turbocharger troubles, we uncover the culprits and empower you to reclaim your vehicle's peak performance. Conquer every ascent with confidence and ensure a thrilling journey every time.
Ever been troubled by the blinking sign and didn’t know what to do?
Here’s a handy guide to dashboard symbols so that you’ll never be confused again!
Save them for later and save the trouble!
1. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 621E WHEEL TRACTOR 6AB
Configuration: 621E TRACTOR-SCRAPER / POWER SHIFT / 6AB00001-01427 (MACHINE) POWERED BY 3406 ENGINE
Disassembly and Assembly
3406C DIESEL ENGINES FOR CATERPILLAR BUILT MACHINES
Media Number -SENR6409-02 Publication Date -01/07/2006 Date Updated -19/05/2015
SENR64090027
Spacer Plate
SMCS - 1221-011; 1221-012
Remove Spacer Plate
Start By:
a. remove cylinder head assembly
1. Remove spacer plate (1) from the cylinder block.
NOTICE
Do not cause damage to the dowels.
2. Remove the spacer plate gasket and two O-ring seals.
Install Spacer Plate
1/2(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
2. 1. Thoroughly clean the spacer plate and cylinder block surface. Install two O-ring seals (1) in the
cylinder block.
NOTICE
Both surfaces of the spacer plate, top of cylinder block and both sides
of the spacer plate gasket must be clean and dry. Gasket adhesives or
other substances must not be used on these surfaces.
2. Install a new gasket between the spacer plate and cylinder block. Put spacer plate (2) in position
on the cylinder block.
3. Check cylinder liner projection. See topic, "Install Cylinder Liners".
End By:
a. install cylinder head assembly
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Mon Mar 29 18:10:49 UTC+0800 2021
2/2(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
3. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 621E WHEEL TRACTOR 6AB
Configuration: 621E TRACTOR-SCRAPER / POWER SHIFT / 6AB00001-01427 (MACHINE) POWERED BY 3406 ENGINE
Disassembly and Assembly
3406C DIESEL ENGINES FOR CATERPILLAR BUILT MACHINES
Media Number -SENR6409-02 Publication Date -01/07/2006 Date Updated -19/05/2015
SENR64090028
Valves
SMCS - 1105-011; 1105-012
Remove Valves
Start By:
a. remove cylinder head assembly
1. Use Tool (A) to compress springs (1).
2. Remove the locks.
3. Remove Tool (A), the valve, the rotocoil, and the spring.
NOTE: If a valve can be used again, put identification on the valve for location at installation.
1/3(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
4. 4. Use Tool (B) to check spring force. The specifications for the spring are given in Specifications
Manual, SENR6470.
5. Do Steps 1 through 4 again for the remainder of the valves.
Install Valves
1. Put clean engine oil on the valve stem. Install washer (3), spring (2), rotocoil (1) and the valve.
2. Use Tool (A) to compress the spring.
3. Install locks (4) with the thick end up.
Locks can be thrown from valve when compressor is released, if they
are not in their correct position on the valve stem.
2/3(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
5. 4. Remove the compressor and hit the valve with a soft faced hammer to be sure locks are in their
correct position on the valve.
5. Do Steps 1 through 4 again for the remainder of the valves.
End By:
a. install cylinder assembly
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Mon Mar 29 18:11:45 UTC+0800 2021
3/3(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
6. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 621E WHEEL TRACTOR 6AB
Configuration: 621E TRACTOR-SCRAPER / POWER SHIFT / 6AB00001-01427 (MACHINE) POWERED BY 3406 ENGINE
Disassembly and Assembly
3406C DIESEL ENGINES FOR CATERPILLAR BUILT MACHINES
Media Number -SENR6409-02 Publication Date -01/07/2006 Date Updated -19/05/2015
SENR64090029
Valve Seat Inserts
SMCS - 1103-010
Remove & Install Valve Seat Inserts
Start By:
a. remove valves
1. Use Tool (A) to remove the valve seat inserts from the cylinder head.
2. Clean and remove any burrs from the valve seat bores.
NOTE: For reconditioning information of the cylinder head, see Service Training Meeting Guide,
SESV1202.
NOTE: The following steps are for the installation of the valve seat inserts.
1/2(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
7. 3. Lower the temperature of the new valve seat inserts. Use Tool (B) to install the new valve seat
inserts in the cylinder head.
End By:
a. install valves
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Mon Mar 29 18:12:40 UTC+0800 2021
2/2(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
8. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 621E WHEEL TRACTOR 6AB
Configuration: 621E TRACTOR-SCRAPER / POWER SHIFT / 6AB00001-01427 (MACHINE) POWERED BY 3406 ENGINE
Disassembly and Assembly
3406C DIESEL ENGINES FOR CATERPILLAR BUILT MACHINES
Media Number -SENR6409-02 Publication Date -01/07/2006 Date Updated -19/05/2015
SENR64090030
Bridge Dowels
SMCS - 1121-011; 1121-012
Remove Bridge Dowels
Start By:
a. remove valves
1. Use Tool (A) to remove bridge dowel (1).
Install Bridge Dowels
1/2(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
9. 1. Use Tool (A) to install the bridge dowel.
End By:
a. install valves
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Mon Mar 29 18:13:36 UTC+0800 2021
2/2(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
10. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 621E WHEEL TRACTOR 6AB
Configuration: 621E TRACTOR-SCRAPER / POWER SHIFT / 6AB00001-01427 (MACHINE) POWERED BY 3406 ENGINE
Disassembly and Assembly
3406C DIESEL ENGINES FOR CATERPILLAR BUILT MACHINES
Media Number -SENR6409-02 Publication Date -01/07/2006 Date Updated -19/05/2015
SENR64090031
Valve Guides
SMCS - 1104-011; 1104-012
Remove Valve Guides
Start By:
a. remove valves
1. Use Tool (A) to remove the valve guides.
Install Valve Guides
1/2(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
11. 1. Put clean engine oil on the outside of the valve guide.
2. Use Tool (A) to install the valve guides.
3. After installation, the inside diameter of the valve guide must be 9.487 ± 0.025 mm (.3735
± .0010 in). The maximum diameter of used guides is 8.538 mm (.3361 in).
End By:
a. install valves
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Mon Mar 29 18:14:32 UTC+0800 2021
2/2(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
12. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 621E WHEEL TRACTOR 6AB
Configuration: 621E TRACTOR-SCRAPER / POWER SHIFT / 6AB00001-01427 (MACHINE) POWERED BY 3406 ENGINE
Disassembly and Assembly
3406C DIESEL ENGINES FOR CATERPILLAR BUILT MACHINES
Media Number -SENR6409-02 Publication Date -01/07/2006 Date Updated -19/05/2015
SENR64090032
Oil Pan & Plate
SMCS - 1302-011; 1302-012
Remove Oil Pan & Plate
Typical Example
1. Drain the oil from the engine into a suitable container for storage or disposal.
2. Remove the lower clamp and bracket that hold the breather tube to the cylinder block and oil
pan.
3. Remove all but four of the bolts (1) that hold the oil pan to the cylinder block.
Use two persons to hold the oil pan in position while the last four bolts
are removed.
4. Remove the oil pan (2). Weight of the oil pan is 57 kg (126 lb).
1/2(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
13. 5. Remove suction bell (3). Remove suction bell and tube (4). Remove oil supply tube (5).
Remove plate (6).
Install Oil Pan & Plate
1. Put plate (1) in position on the cylinder block. Put suction bell and tube (2) in position on the oil
pump and cylinder block. Install the bolts that hold it.
2. Install oil supply tube (4).
3. Install the suction bell (3).
4. Install two 3/8 in 16 NC Guide Pins 6 in long in the cylinder block. Put the oil pan (5) in
position on the cylinder block. Install all but two of the bolts that hold it. Remove the two guide
pins. Install the last two bolts.
5. Fill the engine with oil to the correct level. See the Operation & Maintenance Manual.
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Mon Mar 29 18:15:28 UTC+0800 2021
2/2(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
14. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 621E WHEEL TRACTOR 6AB
Configuration: 621E TRACTOR-SCRAPER / POWER SHIFT / 6AB00001-01427 (MACHINE) POWERED BY 3406 ENGINE
Disassembly and Assembly
3406C DIESEL ENGINES FOR CATERPILLAR BUILT MACHINES
Media Number -SENR6409-02 Publication Date -01/07/2006 Date Updated -19/05/2015
SENR64090033
Oil Pump
SMCS - 1304-016; 1304-010; 1304-015
Remove & Install Oil Pump
Start By:
a. remove oil pan
1. Remove oil supply tube (1) and suction bell and tube (2).
2. Remove bolts (3) that hold the oil pump to the cylinder block and remove oil pump (4).
3. To install, put oil pump (4) in position on the cylinder block. Install the bolts that hold the oil
pump to the cylinder block.
4. Put clean engine oil on the O-ring seals of the tubes.
1/4(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
15. 5. Install oil supply tube (1), suction bell and tube (2).
End By:
a. install oil pan
Disassemble Oil Pump
Start By:
a. remove oil pump
1. Remove the bolt and washer that hold the gear on the shaft.
2. Use Tool (A) and remove drive gear (1) from the shaft. Remove the key from the shaft.
3. Remove retainer (3) for the bypass valve. Remove the spring and the bypass valve.
4. Remove cover (2) from the pump body.
2/4(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
16. 5. Use Tool (B) and remove the bearings from the cover.
6. Remove gears (5) from pump body (4).
7. Use Tool (B) and remove the bearings from pump body (4).
Assemble Oil Pump
1. Use Tool (B) to install the bearings in the pump body. Install the bearings so the joint in the
bearings is 30 ± 15 degrees from the center line of the oil pump outlet passage (2).
3/4(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
17. 2. Install idler gear and drive gear (5) in the oil pump body (4). Put clean engine oil on the
bearings and the gears.
3. Use Tool (A) and install the bearings in cover (2). Install the bearings so the joint of the bearing
bores toward oil pump outlet passage (6).
4. Install bypass valve (7), spring (8) and the retainer.
5. Install the key on the shaft.
6. Install gear (1) on the shaft. Install the washer and bolt that hold the gear on the shaft. Be sure
the pump turns freely after assembly.
End By:
a. install oil pump
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Mon Mar 29 18:16:24 UTC+0800 2021
4/4(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
18. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 621E WHEEL TRACTOR 6AB
Configuration: 621E TRACTOR-SCRAPER / POWER SHIFT / 6AB00001-01427 (MACHINE) POWERED BY 3406 ENGINE
Disassembly and Assembly
3406C DIESEL ENGINES FOR CATERPILLAR BUILT MACHINES
Media Number -SENR6409-02 Publication Date -01/07/2006 Date Updated -19/05/2015
SENR64090034
Piston Cooling Tubes
SMCS - 1307-010
Remove & Install Piston Cooling Tubes
Start By:
a. remove oil pump
NOTE: The piston and connecting rod were removed for better illustration.
1. Remove bolts (1). Remove piston cooling tubes (2) from the engine. Use Tool (A) to turn the
crankshaft in a clockwise direction (as seen from the front of the engine) to get access to all of the
piston cooling tubes.
NOTE: The following steps are for the installation of the piston cooling tubes.
2. Check the alignment of the piston cooling tubes with Tool (B). See Use Of 5P8709 Tool Group
for Alignment Of Piston Cooling Jets, SMHS7267 for the correct alignment procedure.
1/2(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
19. 3. Install piston cooling tubes (2) on the engine. Use Tool (A) to turn the crankshaft clockwise (as
seen from the front of the engine) to get access for the installation of the piston cooling tubes.
End By:
a. install oil pump
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Mon Mar 29 18:17:19 UTC+0800 2021
2/2(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
20. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 621E WHEEL TRACTOR 6AB
Configuration: 621E TRACTOR-SCRAPER / POWER SHIFT / 6AB00001-01427 (MACHINE) POWERED BY 3406 ENGINE
Disassembly and Assembly
3406C DIESEL ENGINES FOR CATERPILLAR BUILT MACHINES
Media Number -SENR6409-02 Publication Date -01/07/2006 Date Updated -19/05/2015
SENR64090035
Pistons & Connecting Rod Assemblies
SMCS - 1225-017; 1225-011; 1225-012
Remove Pistons & Connecting Rod Assemblies
Start By:
a. remove cylinder head assembly
b. remove oil pump
c. remove piston cooling tubes
1. Remove the carbon ridge from the top inside surface of the cylinder liners.
2. Turn the crankshaft until two pistons are at bottom center.
3. Remove bolts (1) and the bearing caps. Push the rods and pistons up until the rings are out of
the cylinder liners.
1/5(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
21. 4. Remove pistons (2) and connecting rods from the cylinder liners.
5. Do Steps 1 through 4 for the remainder of the pistons and connecting rods.
Install Pistons & Connecting Rod Assemblies
1. Put clean engine oil on piston rings, connecting rod bearings and cylinder liners.
2. Use Tool (A), and install piston (2) and the connecting rod in the cylinder liner.
3. Install the bearing cap on the connecting rod with the number on the side of the bearing cap on
the same side and same number as on the connecting rod.
4. Put 2P2506 Thread Lubricant on the threads of the bolts. Install the nuts, and tighten them to
a torque of 90 ± 8 N·m (67 ± 6 lb ft). Put a mark on the nuts and cap, and tighten the nuts an extra
90 ± 5 degrees.
5. Do Steps 1 through 4 for the remainder of the pistons and connecting rods.
End By:
a. install piston cooling tubes
b. install oil pump
c. install cylinder head assembly
2/5(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
22. Disassemble & Assemble Pistons & Connecting Rod
Assemblies
Start By:
a. remove pistons and connecting rod assemblies
1. Remove bearings (3) from the connecting rod and connecting rod cap.
2. Remove retainer ring (1) with Tool (A).
3. Remove pin (2) and connecting rod (4) from the piston.
4. Remove piston rings (5) from the piston with Tool (B). Clean the piston ring grooves on the
pistons with an acceptable ring groove cleaning tool.
3/5(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
23. NOTE: See, Use Of Piston Bearing Removal And Installation Tools, Special Instructions,
SMHS7295.
5. Heat connecting rod (4) in an oven to a temperature of 177° to 260°C (350° to 500° F). Never
use a direct flame to heat a connecting rod.
6. Put connecting rod (4) in position on the base plate of Tool (C). Put a new rod pin bearing (6)
on the adapter part of Tool (C).
NOTE: The old bearing is pushed out by Tool (C) as the new bearing is installed.
7. Use Tool (C) to push the new bearing into the connecting rod until the push adapter of Tool (C)
makes full contact with the connecting rod surface.
8. Use a pin boring machine to make the rod pin bearing the correct size. The bore in the new rod
pin bearing must be 50.830 ± 0.008 mm (2.0012 ± .0003 in).
9. Check the clearance between the ends of the piston rings. See the topic, "Pistons & Rings" in
Specifications Manual, SENR6470.
10. Install the oil ring spring in the oil ring groove of the piston.
NOTE: The oil ring is to be installed over the spring with the oil ring end gap 180° from the oil
ring spring joint.
11. Install the oil ring on the piston with tool (B).
12. Install the second (intermediate) piston ring with the side that has the identification "UP-2"
toward the top of the piston. Use Tool (B) to install the ring.
13. Install the first (top) piston ring with the side that has the identification "UP-1" toward the top
of the piston. Use Tool (B) to install the ring.
NOTE: After the installation of all three piston rings, put the piston rings in position so the end
gaps are 120 degrees apart.
14. Put the piston in position on connecting rod (4). Put clean engine oil on pin (2), and install the
pin. Install retainer rings (1) with Tool (A). Make sure the retainer rings are in the grooves of the
piston.
15. Install bearings (3) in the connecting rod and connecting rod cap.
4/5(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
24. NOTE: Be sure the tabs in back of the bearings are in tab slots of the connecting rod and
connecting rod cap.
End By:
a. install pistons and connecting rod assemblies
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Mon Mar 29 18:18:15 UTC+0800 2021
5/5(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
25. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 621E WHEEL TRACTOR 6AB
Configuration: 621E TRACTOR-SCRAPER / POWER SHIFT / 6AB00001-01427 (MACHINE) POWERED BY 3406 ENGINE
Disassembly and Assembly
3406C DIESEL ENGINES FOR CATERPILLAR BUILT MACHINES
Media Number -SENR6409-02 Publication Date -01/07/2006 Date Updated -19/05/2015
SENR64090036
Cylinder Liners
SMCS - 1216-010
Remove & Install Cylinder Liners
Start By:
a. remove pistons and connecting rod assemblies
1. Put covers on the journals of the crankshaft for protection from dirt or water.
2. Remove the cylinder liners with Tool (A) as shown.
NOTE: The Caterpillar pack pulling tools can be used to remove the cylinder liner, piston and
connecting rod as a unit. For more detail, see Special Instruction, SEHS8554.
1/2(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
26. 3. To install, clean the cylinder liners and liner bores in the cylinder block.
4. Install cylinder liners (1) in the block without the O-ring seals or filler band.
5. To check the cylinder liner projection, see the topic, "Cylinder Liner Projection" in Systems
Operations Testing & Adjusting Manual SENR6471.
6. Remove the liner. Install new O-ring seals on the liners.
7. Put liquid soap on the O-ring seals and on the cylinder bores. Put the filler band in SAE 30W
Oil, then immediately install the filler band on the cylinder liner. Immediately install the cylinder
liner in the cylinder block with Tool (B) before expansion of the band.
End By:
a. install pistons and connecting rod assemblies
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Mon Mar 29 18:19:11 UTC+0800 2021
2/2(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
27. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 621E WHEEL TRACTOR 6AB
Configuration: 621E TRACTOR-SCRAPER / POWER SHIFT / 6AB00001-01427 (MACHINE) POWERED BY 3406 ENGINE
Disassembly and Assembly
3406C DIESEL ENGINES FOR CATERPILLAR BUILT MACHINES
Media Number -SENR6409-02 Publication Date -01/07/2006 Date Updated -19/05/2015
SENR64090037
Timing Gear Cover
SMCS - 1166-010
Remove & Install Timing Gear Cover
Start By:
a. remove water pump
b. remove governor and fuel pump drive
c. remove oil pan
d. remove crankshaft front seal and wear sleeve
e. remove engine front support
1. Remove governor and fuel pump drive covers to timing gear cover bolts (1).
2. Remove two fuel injection pump housing to timing gear cover bolts (2) and two plates to cover
bolts (3).
1/2(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
28. Please write to us.
Our email:
aservicemanualpdf@yahoo.com
Please go to the homepage
to get the full manual, or
other brand PDF manuals.
Home Site:
aservicemanualpdf.com
29. Thank you very much for
your reading. Please Click
Here. Then Get COMPLETE
MANUAL. NO WAITING
NOTE:
If there is no response to
click on the link above,
please download the PDF
document first and then
click on it.
GET MORE OTHER MANUALS https://www.aservicemanualpdf.com/
GET MORE OTHER MANUALS https://www.aservicemanualpdf.com/
30. 3. Remove the five timing gear covers to cylinder block bolts and remove timing gear cover (4).
4. To install, be sure that O-ring seal (5) is in position in the timing gear plate as shown.
5. Put a new gasket in position and install timing gear cover (4) over the two dowel pins in the
cylinder block.
6. Install the bolts that hold the timing gear cover to the cylinder block. Cut the cover gasket to
make it even with the surface of the cylinder block and the bottom of the timing gear cover.
7. Install the bolts that hold the governor and fuel pump drive cover to the timing gear cover.
Install the fuel injection pump housing to timing gear cover bolts and the two plates to cover bolts.
End By:
a. install engine front support
b. install crankshaft front seal and wear sleeve
c. install oil pan
d. install governor and fuel pump drive
e. install water pump
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Mon Mar 29 18:20:07 UTC+0800 2021
2/2(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
31. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 621E WHEEL TRACTOR 6AB
Configuration: 621E TRACTOR-SCRAPER / POWER SHIFT / 6AB00001-01427 (MACHINE) POWERED BY 3406 ENGINE
Disassembly and Assembly
3406C DIESEL ENGINES FOR CATERPILLAR BUILT MACHINES
Media Number -SENR6409-02 Publication Date -01/07/2006 Date Updated -19/05/2015
SENR64090038
Timing Gears & Plate
SMCS - 1162-010; 1206
Remove & Install Timing Gears & Plate
Start By:
a. remove timing gear cover
b. remove fuel injection pump housing and governor
1. Remove four bolts (2), plate (3) and idler gear (1).
1/3(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
32. 2. If the camshaft is not going to be removed, use Tool (A) to remove camshaft gear (4).
NOTICE
Do not turn the crankshaft with the camshaft gear removed. Damage
can be caused to the pistons and valves or both.
3. Remove bolts (5) that hold timing gear plate (6) to the cylinder block.
4. Remove timing gear plate (6).
5. Use Tool (B) to remove the bearing from the idler gear.
NOTE: The following steps are for the installation of the timing gears and plate.
6. Install a new gasket on the timing gear plate.
7. Put timing gear plate (6) in position on the cylinder block and install the bolts that hold the
timing gear plate to the cylinder block.
8. Heat camshaft gear (4) to a maximum temperature of 205° C (400° F) for no longer than three
hours and install it on the camshaft.
2/3(W)
w
2021/3/29
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...