This document provides instructions for removing and installing the cylinder head and lifter group on Caterpillar 3408E and 3412E engines. The removal procedure for the cylinder head requires removing hoses, bolts, and the fuel manifold using lifting tools before the cylinder head can be detached. Reinstallation requires cleaning, applying sealant and oil, and torquing bolts in a specific sequence. The lifter group removal requires using a special tool to pull out each lifter assembly and spring. Reinstallation involves applying oil and reinserting each lifter assembly one by one using the tool.
This service repair manual provides instructions for removing and installing the cylinder head and lifter group on Caterpillar 3412E and 3408E engines. The cylinder head removal procedure involves detaching hoses, removing the exhaust manifold, fuel manifold, and cylinder head bolts. Special tools are required to safely lift the heavy cylinder head. Reinstallation follows the reverse order. The lifter group removal requires a special tool to hold the lifters while extracting them from the cylinder block bores. New springs must be installed when reassembling the lifter group.
This service repair manual provides instructions for removing and installing the cylinder head and lifter group on Caterpillar 3412C engines. The summary is:
1. The document outlines the required tools and safety procedures for removing the cylinder head, which involves detaching hoses, bolts, and lifting the heavy part off.
2. Instructions are provided for installing the new cylinder head gasket and reattaching the cylinder head using lifting brackets and torqueing the bolts in a specific sequence.
3. The lifter group removal process involves using a special tool to pull out the lifters and springs from the bores. Reinstallation requires aligning new springs and pressing the lifter assemblies back into place
This document provides instructions for removing and installing the camshaft on a Caterpillar 3412C engine. Key steps include:
1. Removing the front housing, lifter group, and flywheel housing.
2. Removing four bolts and a plate from the rear of the camshaft and removing the camshaft gear.
3. Aligning timing marks and removing two bolts and a plate from the camshaft.
4. Removing the camshaft from the cylinder block and optionally removing the camshaft gear using a driver group tool.
This service repair manual provides instructions for removing and installing the cylinder head and lifter group on Caterpillar 3412C engines. The summary is:
1. The document outlines the required tools and safety procedures for removing the cylinder head, which involves detaching hoses, bolts, and lifting the heavy part off.
2. Instructions are provided for installing the new cylinder head gasket and reattaching the cylinder head using lifting brackets and torqueing the bolts in a specific sequence.
3. The lifter group removal process involves using a special tool to pull out the lifters and springs from the bores. Reinstallation requires aligning new springs and pressing the lifter assemblies back into place
The document provides instructions for removing and installing cylinder head components on a Caterpillar D9N track-type tractor powered by a 3408 engine. It describes removing the cylinder head by detaching hoses and bolts, then lifting it off with tooling. It also details installing the cylinder head by positioning gaskets and seals, lowering the head into place, and tightening bolts in a specific sequence. Additionally, the document outlines removing and installing the lifter group from the cylinder block using a special tool.
The document provides instructions for removing and installing a cylinder head on a Caterpillar D9N track-type tractor powered by a 3408 engine. It describes:
1) Removing hoses, tubes, bolts and the fuel manifold to access the cylinder head.
2) Attaching lifting brackets and removing the cylinder head, which weighs 90-172kg depending on the engine model.
3) Installing seals, gaskets and the cylinder head in reverse order, and applying sealant to the fuel manifold. Tightening bolts in a specific sequence is required.
The document provides instructions for removing and installing cylinder head components on a Caterpillar D9N track-type tractor powered by a 3408 engine. It describes removing the cylinder head by detaching hoses and bolts, then lifting it off with tooling. It also details installing the cylinder head by positioning gaskets and seals, lowering the head into place, and tightening bolts in a specific sequence. Additionally, it covers removing valve lifters with a tool and installing new lifter guide springs, then reinstalling the lifters into the cylinder block.
The document provides instructions for removing and installing a cylinder head on a Caterpillar D9N track-type tractor powered by a 3408 engine. It describes:
1) Removing hoses, tubes, bolts and the fuel manifold to access the cylinder head.
2) Attaching lifting tools and removing the cylinder head, which weighs approximately 90-172 kg depending on the engine model.
3) Cleaning and inspecting parts, applying a new gasket and reinstalling the cylinder head along with associated components like seals and bolts. Tightening bolts in a specific sequence is emphasized.
This service repair manual provides instructions for removing and installing the cylinder head and lifter group on Caterpillar 3412E and 3408E engines. The cylinder head removal procedure involves detaching hoses, removing the exhaust manifold, fuel manifold, and cylinder head bolts. Special tools are required to safely lift the heavy cylinder head. Reinstallation follows the reverse order. The lifter group removal requires a special tool to hold the lifters while extracting them from the cylinder block bores. New springs must be installed when reassembling the lifter group.
This service repair manual provides instructions for removing and installing the cylinder head and lifter group on Caterpillar 3412C engines. The summary is:
1. The document outlines the required tools and safety procedures for removing the cylinder head, which involves detaching hoses, bolts, and lifting the heavy part off.
2. Instructions are provided for installing the new cylinder head gasket and reattaching the cylinder head using lifting brackets and torqueing the bolts in a specific sequence.
3. The lifter group removal process involves using a special tool to pull out the lifters and springs from the bores. Reinstallation requires aligning new springs and pressing the lifter assemblies back into place
This document provides instructions for removing and installing the camshaft on a Caterpillar 3412C engine. Key steps include:
1. Removing the front housing, lifter group, and flywheel housing.
2. Removing four bolts and a plate from the rear of the camshaft and removing the camshaft gear.
3. Aligning timing marks and removing two bolts and a plate from the camshaft.
4. Removing the camshaft from the cylinder block and optionally removing the camshaft gear using a driver group tool.
This service repair manual provides instructions for removing and installing the cylinder head and lifter group on Caterpillar 3412C engines. The summary is:
1. The document outlines the required tools and safety procedures for removing the cylinder head, which involves detaching hoses, bolts, and lifting the heavy part off.
2. Instructions are provided for installing the new cylinder head gasket and reattaching the cylinder head using lifting brackets and torqueing the bolts in a specific sequence.
3. The lifter group removal process involves using a special tool to pull out the lifters and springs from the bores. Reinstallation requires aligning new springs and pressing the lifter assemblies back into place
The document provides instructions for removing and installing cylinder head components on a Caterpillar D9N track-type tractor powered by a 3408 engine. It describes removing the cylinder head by detaching hoses and bolts, then lifting it off with tooling. It also details installing the cylinder head by positioning gaskets and seals, lowering the head into place, and tightening bolts in a specific sequence. Additionally, the document outlines removing and installing the lifter group from the cylinder block using a special tool.
The document provides instructions for removing and installing a cylinder head on a Caterpillar D9N track-type tractor powered by a 3408 engine. It describes:
1) Removing hoses, tubes, bolts and the fuel manifold to access the cylinder head.
2) Attaching lifting brackets and removing the cylinder head, which weighs 90-172kg depending on the engine model.
3) Installing seals, gaskets and the cylinder head in reverse order, and applying sealant to the fuel manifold. Tightening bolts in a specific sequence is required.
The document provides instructions for removing and installing cylinder head components on a Caterpillar D9N track-type tractor powered by a 3408 engine. It describes removing the cylinder head by detaching hoses and bolts, then lifting it off with tooling. It also details installing the cylinder head by positioning gaskets and seals, lowering the head into place, and tightening bolts in a specific sequence. Additionally, it covers removing valve lifters with a tool and installing new lifter guide springs, then reinstalling the lifters into the cylinder block.
The document provides instructions for removing and installing a cylinder head on a Caterpillar D9N track-type tractor powered by a 3408 engine. It describes:
1) Removing hoses, tubes, bolts and the fuel manifold to access the cylinder head.
2) Attaching lifting tools and removing the cylinder head, which weighs approximately 90-172 kg depending on the engine model.
3) Cleaning and inspecting parts, applying a new gasket and reinstalling the cylinder head along with associated components like seals and bolts. Tightening bolts in a specific sequence is emphasized.
This document provides assembly instructions for a torque converter in a 730 articulated truck. It lists 34 steps to assemble the various components of the torque converter, including housings, bearings, seals, discs, and shafts. Personal protective equipment is required and cleanliness is emphasized throughout the assembly process. Torque specifications are provided for securing different fasteners.
The document provides instructions for removing and installing various engine components on a Caterpillar C13 engine, including:
- Camshaft - removal involves supporting lifters with a magnetic tool, removing bolts and gears, and carefully removing the camshaft with two people. Installation requires ensuring proper timing.
- Camshaft gear - removed using a press and installed by heating to 315°C and pressing onto the camshaft.
- Camshaft bearings - removed using a puller tool and lubricant, installed using a receiver sleeve tool by pressing in from the rear.
- Engine oil pan - removed by draining oil first, then removing bolts, studs, clips
This document provides instructions for removing and installing various components of the rear gear group and flywheel on a Caterpillar 730 articulated truck with a C13 engine. The removal procedure involves using various tools to remove bolts, seals, gears, covers, and bearings. The installation procedure specifies cleaning and lubricating components, pressing bearings in at the proper angles and depths, and torquing bolts to the specified values.
This document provides instructions for removing and installing various components of a Caterpillar C9.3 engine, including the valve mechanism cover, compression brake, and compression brake valve assembly. The procedures include illustrations of the components and multi-step instructions for removal and installation, including proper torque specifications. Safety precautions are provided where necessary.
This document provides instructions for disassembling and assembling the torque converter of a 657G Wheel Tractor. It lists the required tools and gives step-by-step instructions with accompanying illustrations. The torque converter is first disassembled by removing various components like the retaining rings, bolts, plates, and internal mechanisms. It is then reassembled in the reverse order, ensuring cleanliness and applying grease as needed.
The document provides instructions for removing and installing a flywheel housing on a Caterpillar C15 or C18 engine. It describes removing components like the crankshaft rear seal, electric starting motor, and rear power take-off. It then explains how to use lifting tools to remove the flywheel housing and reinstall it, replacing seals and tightening bolts in a specific sequence and torque range. Similar instructions are provided for removing and installing just the rear power take-off components.
The document provides instructions for removing the implement vane pump from a 657G Wheel Scraper. It describes disconnecting hoses and wiring, draining fluid from the elbow, attaching a lifting device to the pump, and removing nuts and the pump. It also includes notes about marking disconnected parts for installation and preventing fluid loss.
This document provides assembly instructions for repairing the transmission of a 329DL excavator. It consists of 52 steps to assemble the transmission components in the correct order, including installing gaskets, bearings, pistons, seals, covers, and other parts into the pump housing. Precautions are provided for steps involving spring tension. Required tools include a transmission repair stand, link brackets, driver group, seal guide, and retaining ring pliers.
This document provides instructions for removing and disassembling the drive shaft and scavenge pump on a 657G Wheel Scraper. Key steps include:
1. Removing retaining rings, covers, and guards to access the drive shaft.
2. Using eyebolts and lifting devices to remove the heavy drive shaft and tube assembly.
3. Checking alignment of components and removing the yoke assembly, bearings, and seals.
4. Disassembling the scavenge pump by removing O-rings, bearings, shafts, and gears.
The document provides instructions for disassembling and assembling a recoil spring assembly. Key steps include:
1. Using a specialized tooling bench to securely hold the recoil spring assembly, which is under several tons of force.
2. Carefully removing a nut to release the spring tension before disassembling the recoil spring components.
3. Reassembling the recoil spring components and using the tooling bench to apply controlled compression for assembly. Proper centering and leveling of the assembly is critical.
This document provides instructions for removing and installing the rear gear group and flywheel on a Caterpillar 657E wheel tractor. The removal procedure involves using various tools to disassemble the rear gear components and adapter assemblies. The installation procedure describes reassembling these components and requires pressing or installing bearings and seals using a driver group or press. Special care must be taken to keep parts clean and lubricated. The flywheel removal uses tools to secure the crankshaft gear and hoist the heavy flywheel off the engine.
This document provides instructions for installing and removing various engine components on a Caterpillar 657E wheel scraper model powered by a 3408 engine, including:
1) Installing the rear gear group by placing gears and bearings on shafts and installing dowels, seals and bolts.
2) Removing the flywheel using guide bolts, brackets and a hoist to lift the heavy flywheel off the crankshaft.
3) Installing the flywheel by heating the ring gear, placing the flywheel on guide bolts, and bolting it into place.
4) Procedures for removing and installing the crankshaft rear seal using punch tools or pullers
The document provides instructions for installing the crankshaft rear seal on a Caterpillar 657E wheel scraper. It describes heating the ring gear to 300°C before installing it on the flywheel. It also details installing guide bolts and lifting brackets to position the flywheel, applying grease to the bolt threads, and torquing the bolts to secure the flywheel. Finally, it notes to check the flywheel runout after installation.
This document provides step-by-step instructions for disassembling the pump control and pump housing of a 329DL excavator. It lists 60 steps to remove components like bolts, seals, pins, plates, barrels and shafts. Cleaning is important before disassembly to prevent dirt from entering mechanisms. The right pump control has a proportional reducing valve not present on the left. Tools are required to remove some components like bearings.
This document provides repair instructions for a 329DL excavator transmission. It outlines 38 steps to disassemble and reassemble the transmission, including instructions to clean parts, replace seals and O-rings, measure bearing clearance using shims, and install various transmission components like gears, seals, and housing pieces. Special tools are required for tasks like installing duo-cone seals and bearing surfaces must be coated with anti-seize compound before assembly.
This document provides instructions for disassembling and assembling the transmission transfer gears of a Caterpillar 651E wheel tractor. The steps include removing the transmission transfer gears as a unit, disassembling the individual gears and bearings, inspecting and replacing parts, and reassembling the gears and bearings in the correct order with the specified torques and clearances. Precautions are provided such as cleaning and lubricating parts during assembly.
This document provides instructions for removing and installing a camshaft on a Caterpillar 651E wheel scraper model. It describes the required tools and multi-step processes for both removing the camshaft from the front or rear of the engine and installing a new camshaft. Precautions are outlined to prevent damage and contain fluids. The document is intended as a service repair manual for technicians performing camshaft maintenance on this model.
Caterpillar Cat 651 and 651B WHEEL SCRAPER (Prefix 45M) Service Repair Manual...8foskkdjdkdm3e
This document provides instructions for disassembling and assembling various components of a 651B wheel scraper model, including:
1. The engine transfer gear and retarder, with steps to remove gears, bearings, and housing pieces.
2. The transmission transfer gear, with steps to remove gears, bearings, pumps, and the governor.
3. The transmission governor, with identification of parts and steps to disassemble and reassemble the governor valve bodies.
This document provides instructions for removing and installing the rear gear group and flywheel on a Caterpillar 651E wheel scraper. The removal procedure involves using various tools to disassemble the adapter assemblies, gears, bearings and other components. The installation procedure describes cleaning and lubricating parts, pressing or installing bearings and gears back into place, and reassembling the components in reverse order. Precautions are given to keep parts clean and lubricated to prevent wear.
Caterpillar Cat 650B and 660B WHEEL TRACTOR (Prefix 58K) Service Repair Manua...8foskkdjdkdm3e
This document provides instructions for removing and installing a cylinder head on Caterpillar 650B and 660B wheel tractors. It describes 17 steps to remove the cylinder head, which involves disconnecting hoses, harnesses, and removing bolts. 13 steps are listed to install the cylinder head, which includes cleaning surfaces, applying sealants, and torquing bolts in a specific sequence. The document also provides tools required and safety precautions for the job.
How To Fix The Key Not Detected Issue In Mercedes CarsIntegrity Motorcar
Experiencing a "Key Not Detected" problem in your Mercedes? Don’t take it for granted. Go through this presentation to find out the exact nature of the issue you are dealing with. Have your vehicle checked by a certified professional if necessary.
This document provides assembly instructions for a torque converter in a 730 articulated truck. It lists 34 steps to assemble the various components of the torque converter, including housings, bearings, seals, discs, and shafts. Personal protective equipment is required and cleanliness is emphasized throughout the assembly process. Torque specifications are provided for securing different fasteners.
The document provides instructions for removing and installing various engine components on a Caterpillar C13 engine, including:
- Camshaft - removal involves supporting lifters with a magnetic tool, removing bolts and gears, and carefully removing the camshaft with two people. Installation requires ensuring proper timing.
- Camshaft gear - removed using a press and installed by heating to 315°C and pressing onto the camshaft.
- Camshaft bearings - removed using a puller tool and lubricant, installed using a receiver sleeve tool by pressing in from the rear.
- Engine oil pan - removed by draining oil first, then removing bolts, studs, clips
This document provides instructions for removing and installing various components of the rear gear group and flywheel on a Caterpillar 730 articulated truck with a C13 engine. The removal procedure involves using various tools to remove bolts, seals, gears, covers, and bearings. The installation procedure specifies cleaning and lubricating components, pressing bearings in at the proper angles and depths, and torquing bolts to the specified values.
This document provides instructions for removing and installing various components of a Caterpillar C9.3 engine, including the valve mechanism cover, compression brake, and compression brake valve assembly. The procedures include illustrations of the components and multi-step instructions for removal and installation, including proper torque specifications. Safety precautions are provided where necessary.
This document provides instructions for disassembling and assembling the torque converter of a 657G Wheel Tractor. It lists the required tools and gives step-by-step instructions with accompanying illustrations. The torque converter is first disassembled by removing various components like the retaining rings, bolts, plates, and internal mechanisms. It is then reassembled in the reverse order, ensuring cleanliness and applying grease as needed.
The document provides instructions for removing and installing a flywheel housing on a Caterpillar C15 or C18 engine. It describes removing components like the crankshaft rear seal, electric starting motor, and rear power take-off. It then explains how to use lifting tools to remove the flywheel housing and reinstall it, replacing seals and tightening bolts in a specific sequence and torque range. Similar instructions are provided for removing and installing just the rear power take-off components.
The document provides instructions for removing the implement vane pump from a 657G Wheel Scraper. It describes disconnecting hoses and wiring, draining fluid from the elbow, attaching a lifting device to the pump, and removing nuts and the pump. It also includes notes about marking disconnected parts for installation and preventing fluid loss.
This document provides assembly instructions for repairing the transmission of a 329DL excavator. It consists of 52 steps to assemble the transmission components in the correct order, including installing gaskets, bearings, pistons, seals, covers, and other parts into the pump housing. Precautions are provided for steps involving spring tension. Required tools include a transmission repair stand, link brackets, driver group, seal guide, and retaining ring pliers.
This document provides instructions for removing and disassembling the drive shaft and scavenge pump on a 657G Wheel Scraper. Key steps include:
1. Removing retaining rings, covers, and guards to access the drive shaft.
2. Using eyebolts and lifting devices to remove the heavy drive shaft and tube assembly.
3. Checking alignment of components and removing the yoke assembly, bearings, and seals.
4. Disassembling the scavenge pump by removing O-rings, bearings, shafts, and gears.
The document provides instructions for disassembling and assembling a recoil spring assembly. Key steps include:
1. Using a specialized tooling bench to securely hold the recoil spring assembly, which is under several tons of force.
2. Carefully removing a nut to release the spring tension before disassembling the recoil spring components.
3. Reassembling the recoil spring components and using the tooling bench to apply controlled compression for assembly. Proper centering and leveling of the assembly is critical.
This document provides instructions for removing and installing the rear gear group and flywheel on a Caterpillar 657E wheel tractor. The removal procedure involves using various tools to disassemble the rear gear components and adapter assemblies. The installation procedure describes reassembling these components and requires pressing or installing bearings and seals using a driver group or press. Special care must be taken to keep parts clean and lubricated. The flywheel removal uses tools to secure the crankshaft gear and hoist the heavy flywheel off the engine.
This document provides instructions for installing and removing various engine components on a Caterpillar 657E wheel scraper model powered by a 3408 engine, including:
1) Installing the rear gear group by placing gears and bearings on shafts and installing dowels, seals and bolts.
2) Removing the flywheel using guide bolts, brackets and a hoist to lift the heavy flywheel off the crankshaft.
3) Installing the flywheel by heating the ring gear, placing the flywheel on guide bolts, and bolting it into place.
4) Procedures for removing and installing the crankshaft rear seal using punch tools or pullers
The document provides instructions for installing the crankshaft rear seal on a Caterpillar 657E wheel scraper. It describes heating the ring gear to 300°C before installing it on the flywheel. It also details installing guide bolts and lifting brackets to position the flywheel, applying grease to the bolt threads, and torquing the bolts to secure the flywheel. Finally, it notes to check the flywheel runout after installation.
This document provides step-by-step instructions for disassembling the pump control and pump housing of a 329DL excavator. It lists 60 steps to remove components like bolts, seals, pins, plates, barrels and shafts. Cleaning is important before disassembly to prevent dirt from entering mechanisms. The right pump control has a proportional reducing valve not present on the left. Tools are required to remove some components like bearings.
This document provides repair instructions for a 329DL excavator transmission. It outlines 38 steps to disassemble and reassemble the transmission, including instructions to clean parts, replace seals and O-rings, measure bearing clearance using shims, and install various transmission components like gears, seals, and housing pieces. Special tools are required for tasks like installing duo-cone seals and bearing surfaces must be coated with anti-seize compound before assembly.
This document provides instructions for disassembling and assembling the transmission transfer gears of a Caterpillar 651E wheel tractor. The steps include removing the transmission transfer gears as a unit, disassembling the individual gears and bearings, inspecting and replacing parts, and reassembling the gears and bearings in the correct order with the specified torques and clearances. Precautions are provided such as cleaning and lubricating parts during assembly.
This document provides instructions for removing and installing a camshaft on a Caterpillar 651E wheel scraper model. It describes the required tools and multi-step processes for both removing the camshaft from the front or rear of the engine and installing a new camshaft. Precautions are outlined to prevent damage and contain fluids. The document is intended as a service repair manual for technicians performing camshaft maintenance on this model.
Caterpillar Cat 651 and 651B WHEEL SCRAPER (Prefix 45M) Service Repair Manual...8foskkdjdkdm3e
This document provides instructions for disassembling and assembling various components of a 651B wheel scraper model, including:
1. The engine transfer gear and retarder, with steps to remove gears, bearings, and housing pieces.
2. The transmission transfer gear, with steps to remove gears, bearings, pumps, and the governor.
3. The transmission governor, with identification of parts and steps to disassemble and reassemble the governor valve bodies.
This document provides instructions for removing and installing the rear gear group and flywheel on a Caterpillar 651E wheel scraper. The removal procedure involves using various tools to disassemble the adapter assemblies, gears, bearings and other components. The installation procedure describes cleaning and lubricating parts, pressing or installing bearings and gears back into place, and reassembling the components in reverse order. Precautions are given to keep parts clean and lubricated to prevent wear.
Caterpillar Cat 650B and 660B WHEEL TRACTOR (Prefix 58K) Service Repair Manua...8foskkdjdkdm3e
This document provides instructions for removing and installing a cylinder head on Caterpillar 650B and 660B wheel tractors. It describes 17 steps to remove the cylinder head, which involves disconnecting hoses, harnesses, and removing bolts. 13 steps are listed to install the cylinder head, which includes cleaning surfaces, applying sealants, and torquing bolts in a specific sequence. The document also provides tools required and safety precautions for the job.
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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.
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Here’s a handy guide to dashboard symbols so that you’ll never be confused again!
Save them for later and save the trouble!
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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!
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2. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 637E WHEEL TRACTOR 1FB
Configuration: 637E Series II Wheel Tractor 1FB00660-UP (MACHINE) POWERED BY 3408E Engine
Disassembly and Assembly
3408E and 3412E Engines for Caterpillar Built Machines
Media Number -SENR1013-11 Publication Date -01/07/2015 Date Updated -22/08/2016
i02184090
Cylinder Head - Remove
SMCS - 1100-011
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7573 Link Bracket 2
B 5P-8700 Lifting Bracket 2
Start By:
a. Remove the unit injector sleeves. Refer to Disassembly and Assembly, "Unit Injector Sleeve
- Remove".
b. Remove the exhaust manifold. Refer to Disassembly and Assembly, "Exhaust Manifold -
Remove and Install".
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
NOTICE
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3. Care must be taken to ensure that fluids are contained during
performance of inspection, maintenance, testing, adjusting, and repair
of the product. Be prepared to collect the fluid with suitable containers
before opening any compartment or disassembling any component
containing fluids.
Refer to Special Publication, NENG2500, "Dealer Service Tool
Catalog" for tools and supplies suitable to collect and contain fluids on
Cat products.
Dispose of all fluids according to local regulations and mandates.
Illustration 1 g00570914
1. Remove hose assembly (1) from the front of the fuel manifold.
Illustration 2 g00570923
2. Remove hose assembly (2) from the rear of the fuel manifold.
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4. Illustration 3 g00582732
3. Remove tube assembly (3).
Illustration 4 g00570979
4. Remove cylinder head bolts (5). Remove bolts (4).
Illustration 5 g00570983
5. Attach Tooling (A) and a suitable lifting device to fuel manifold (6). The weight of the fuel
manifold for the 3412E is approximately 60 kg (131 lb). The weight of the fuel manifold for
the 3408E is approximately 39 kg (86 lb). Remove bolts (7). Remove fuel manifold (6).
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5. vO
Illustration 6 g01105094
6. Attach Tooling (B) and a suitable lifting device to the cylinder head. The weight of the
cylinder head for the 3412E is approximately 172 kg (380 lb). The weight of the cylinder
head for the 3408E is approximately 90 kg (200 lb). Remove cylinder head nuts (8).
Illustration 7 g01105075
7. Remove cylinder head (9) and the gasket.
Illustration 8 g01105076
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6. 8. Remove seals (10).
9. Remove spacer plate (11).
Illustration 9 g01105072
10. Remove O-ring seals (12) and gasket (13).
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Tue Aug 17 01:38:32 UTC+0800 2021
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7. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 637E WHEEL TRACTOR 1FB
Configuration: 637E Series II Wheel Tractor 1FB00660-UP (MACHINE) POWERED BY 3408E Engine
Disassembly and Assembly
3408E and 3412E Engines for Caterpillar Built Machines
Media Number -SENR1013-11 Publication Date -01/07/2015 Date Updated -22/08/2016
i02184092
Cylinder Head - Install
SMCS - 1100-012
Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7573 Link Bracket 2
B 5P-8700 Lifting Bracket 2
C 8C-8422 Sealant 2
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Note: Thoroughly clean the spacer plate and the bottom surface of the cylinder head. A new
spacer plate gasket must be installed when the cylinder head is removed.
Note: Apply a thin film of clean engine oil on the seals and the O-ring seals prior to installation.
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8. Illustration 1 g01105072
1. Install O-ring seals (12) and gasket (13).
Illustration 2 g01105076
2. Install spacer plate (11).
3. Install seals (10).
Illustration 3 g01105075
4. Position the gasket on the engine. Attach Tooling (B) and a suitable lifting device to the
cylinder head. The weight of the cylinder head for the 3412E is approximately 172 kg
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9. (380 lb). The weight of the cylinder head for the 3408E is approximately 90 kg (200 lb).
Install cylinder head (9).
Illustration 4 g01105094
5. Install cylinder head nuts (8). Remove Tooling (B).
Illustration 5 g00570607
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10. Illustration 6 g00582780
6. Apply Tooling (C) to the shaded area of the fuel manifold. Tooling (C) is applied to the
bottom portion of the fuel manifold. Tooling (C) is permitted on the entire face of the fuel
manifold.
Illustration 7 g00570983
7. Attach Tooling (A) and a suitable lifting device to fuel manifold (6). The weight of the fuel
manifold for the 3412E is approximately 60 kg (131 lb). The weight of the fuel manifold for
the 3408E is approximately 39 kg (86 lb). Install fuel manifold (6). Install bolts (7).
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12. Illustration 10 g00582808
Note: Apply clean engine oil to the bolts for the cylinder head.
8. Install cylinder head bolts (5). Install bolts (4).
9. Tighten the bolts in the following sequence:
In a numerical sequence, tighten the bolts 1 through 26 for the 3412E.
In a numerical sequence, tighten the bolts 1 through 18 for the 3408E.
a. In a numerical sequence, tighten the bolts to a torque of 270 ± 15 N·m
(200 ± 11 lb ft).
b. In a numerical sequence, tighten the bolts to a torque of 450 ± 15 N·m
(330 ± 11 lb ft).
c. In a numerical sequence, again tighten the bolts to a torque of 450 ± 15 N·m
(330 ± 11 lb ft).
d. Tighten the upper row of nuts that are on the cylinder head in the following sequence:
In a numerical sequence, tighten nuts 27 through 39 for the 3412E to a torque of
45 ± 7 N·m (33 ± 5 lb ft).
In a numerical sequence, tighten nuts 19 through 27 for the 3408E to a torque of
45 ± 7 N·m (33 ± 5 lb ft).
Illustration 11 g00582732
10. Install tube assembly (3).
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13. Illustration 12 g00570923
11. Install hose assembly (2) on the rear of the fuel manifold.
Illustration 13 g00570914
12. Install hose assembly (1) on the front of the fuel manifold.
End By:
a. Install the exhaust manifold. Refer to Disassembly and Assembly, "Exhaust Manifold -
Remove and Install".
b. Install the unit injector sleeves. Refer to Disassembly and Assembly, "Unit Injector Sleeve -
Install".
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Tue Aug 17 01:39:28 UTC+0800 2021
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14. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 637E WHEEL TRACTOR 1FB
Configuration: 637E Series II Wheel Tractor 1FB00660-UP (MACHINE) POWERED BY 3408E Engine
Disassembly and Assembly
3408E and 3412E Engines for Caterpillar Built Machines
Media Number -SENR1013-11 Publication Date -01/07/2015 Date Updated -22/08/2016
i05933135
Lifter Group - Remove and Install
SMCS - 1209-010
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 5P-7433 Valve Lifter Tool Group 1
Start By:
A. Remove the cylinder head. Refer to Disassembly and Assembly, "Cylinder Head -
Remove".
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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15. Illustration 1 g00571490
Illustration 2 g00571491
1. Install Tooling (A) in lifter assembly (1) .
2. Remove lifter assembly (1) from the lifter bore.
Illustration 3 g00571492
3. Remove lifter guide spring (2) from the lifter assembly.
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16. Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
A 5P-7433 Valve Lifter Tool Group 1
Note: Install new valve lifter guide springs on the valve lifter when the valve lifters are
removed from the engine.
Note: Apply clean engine oil to the ball socket for the pushrod and the bore for the valve
lifter assembly.
Illustration 4 g00571513
1. Make an alignment of the new lifter guide spring (2) in Tooling (A) .
Illustration 5 g01104989
2. Install lifter assembly (1) in the cylinder block with Tooling (A) .
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17. End By: Install the cylinder head. Refer to Disassembly and Assembly, "Cylinder Head - Install".
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Tue Aug 17 01:40:24 UTC+0800 2021
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18. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 637E WHEEL TRACTOR 1FB
Configuration: 637E Series II Wheel Tractor 1FB00660-UP (MACHINE) POWERED BY 3408E Engine
Disassembly and Assembly
3408E and 3412E Engines for Caterpillar Built Machines
Media Number -SENR1013-11 Publication Date -01/07/2015 Date Updated -22/08/2016
i06177964
Camshaft - Remove and Install
SMCS - 1210-010
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-0510 Driver Group 1
Start By:
a. Remove the front housing. Refer to Disassembly and Assembly, "Housing (Front) -
Remove".
b. Remove the lifter group. Refer to Disassembly and Assembly, "Lifter Group - Remove and
Install".
c. Remove the flywheel housing. Refer to Disassembly and Assembly, " Flywheel Housing -
Remove and Install".
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
NOTICE
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19. Care must be taken to ensure that fluids are contained during
performance of inspection, maintenance, testing, adjusting, and repair
of the product. Be prepared to collect the fluid with suitable containers
before opening any compartment or disassembling any component
containing fluids.
Refer to Special Publication, NENG2500, "Dealer Service Tool
Catalog" for tools and supplies suitable to collect and contain fluids on
Cat products.
Dispose of all fluids according to local regulations and mandates.
Illustration 1 g00572086
1. Remove four bolts (1) and plate (2) from the rear of the camshaft. Remove gear (3) from the
camshaft.
Illustration 2 g00572090
2. Rotate the engine until the “V” marks on the front of the timing gears are in alignment.
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20. Illustration 3 g00572095
3. Remove two bolts (5) and plate (4) from the camshaft.
Illustration 4 g00572105
4. Remove camshaft (6) from the cylinder block.
Illustration 5 g00572214
5. If necessary, remove camshaft gear (7) with Tool (A) and press.
Installation Procedure
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21. NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Illustration 6 g00572220
Note: The key for gear (7) must be in position on the camshaft (6) before gear (7) is
installed.
1. Do not use a torch to heat camshaft gear (7). Raise the temperature of camshaft gear (7) by
one of the following methods.
◦ Use a suitable oven to raise the temperature of camshaft gear (7). Do not exceed
150° C (302° F) for more than four hours.
◦ Use a suitable induction heater to raise the temperature of the hub of camshaft gear
(7). Do not exceed 150° C (302° F) at bottom of gear teeth root radius.
2. Install camshaft gear (7) to camshaft (6).
3. Put 8T-2998 Lubricant on the camshaft lobes and the rollers for the valve lifter. Put clean
engine oil on the bearing journals of the camshaft.
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22. Illustration 7 g00572105
4. Install camshaft (6) until the rear of the camshaft is even with the rear of the cylinder block.
Illustration 8 g00572090
5. Make an alignment of the “V” marks on the camshaft gear and the idler gear.
Illustration 9 g00572221
6. Install plate (4) on the cylinder block.
Illustration 10 g00572086
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23. 7. Install gear (3) and plate (2) on the rear of the camshaft.
End By:
a. Install the flywheel housing. Refer to Disassembly and Assembly, "Flywheel Housing -
Remove and Install".
b. Install the lifter group. Refer to Disassembly and Assembly, "Lifter Group - Remove and
Install".
c. Install the front housing. Refer to Disassembly and Assembly, "Housing (Front) - Install".
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Tue Aug 17 01:41:20 UTC+0800 2021
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24. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 637E WHEEL TRACTOR 1FB
Configuration: 637E Series II Wheel Tractor 1FB00660-UP (MACHINE) POWERED BY 3408E Engine
Disassembly and Assembly
3408E and 3412E Engines for Caterpillar Built Machines
Media Number -SENR1013-11 Publication Date -01/07/2015 Date Updated -22/08/2016
i01519738
Camshaft Bearings - Remove and Install
SMCS - 1211-010
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A
8S-2241 Camshaft Bearing Tool Group 1
8S-8293 Extension 1
5P-1667 Tube 1
Start By:
A. Remove the flywheel housing. Refer to Disassembly and Assembly, "Flywheel Housing -
Remove and Install".
B. Remove the camshaft. Refer to Disassembly and Assembly, "Camshaft - Remove and
Install".
C. Remove the pistons and connecting rods. Refer to Disassembly and Assembly, "Pistons and
Connecting Rods - Remove".
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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25. NOTICE
Care must be taken to ensure that fluids are contained during
performance of inspection, maintenance, testing, adjusting and repair
of the product. Be prepared to collect the fluid with suitable containers
before opening any compartment or disassembling any component
containing fluids.
Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop
Products Guide" for tools and supplies suitable to collect and contain
fluids on Caterpillar products.
Dispose of all fluids according to local regulations and mandates.
Illustration 1 g00569925
1. Remove the rear camshaft bearing with Tool (A) .
2. Remove the remainder of the camshaft bearings with Tool (A) through the rear of the
engine block. Start from the rear of the cylinder block and move toward the front.
Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
A
8S-2241 Camshaft Bearing Tool Group 1
8S-8293 Extension 1
5P-1667 Tube 1
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26. NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Note: Ensure that the inside of the cylinder block is clean. Inspect the camshaft bore for
metal burrs. Put a thin film of clean engine oil on the inside of the camshaft bearing bores
and on each camshaft bearing prior to installation.
Note: Two different camshaft bearings are used. Install the wider camshaft bearings in the
front and rear camshaft bores. Install the narrow camshaft bearings in the inner bores.
Illustration 2 g00570127
1. Install all the camshaft bearings with Tool (A) so that the oil hole in the camshaft bearing is
in a horizontal position. Installation angle (1) is 90 ± 15°.
2. Install the camshaft bearings with Tool (A) on the front side of the engine. Start the bearing
that is being installed from the rear of each bore. Pull the bearing into the bore with Tool
(A). Use the following procedure for achieving the proper installation depth for the
bearings.
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27. Illustration 3 g00583232
a. Install the rear camshaft bearing. Pull the bearing into the bore until the front face of
the bearing is flush with the front face of bore (2).
b. Install the narrow internal camshaft bearings. Start at the rear of the engine and work
forward. Pull each bearing into the bore until the front face of the bearing is flush
with the front face of the bore.
Illustration 4 g00569930
Measure the depth of the front camshaft bearing.
c. Install the front camshaft bearing with Tool (A) until the bearing is at the specified
depth. the depth is measured from the front of the engine block.
The front camshaft bearing for the 3412E should be 7.4 ± 0.5 mm (0.29 ± 0.02 inch)
from the front face of the engine block.
The front camshaft bearing for the 3408E should be 4.6 ± 0.5 mm (0.18 ± 0.02 inch)
from the front face of the engine block.
Note: Refer to Specifications, "Camshaft Bearings" for more information about camshaft
bearings.
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28. End By:
a. Install the camshaft. Refer to Disassembly and Assembly, "Camshaft - Remove and Install".
b. Install the flywheel housing. Refer to Disassembly and Assembly, "Flywheel Housing -
Remove and Install".
c. Install the pistons and connecting rods. Refer to Disassembly and Assembly, "Pistons and
Connecting Rods - Install".
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Tue Aug 17 01:42:15 UTC+0800 2021
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29. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 637E WHEEL TRACTOR 1FB
Configuration: 637E Series II Wheel Tractor 1FB00660-UP (MACHINE) POWERED BY 3408E Engine
Disassembly and Assembly
3408E and 3412E Engines for Caterpillar Built Machines
Media Number -SENR1013-11 Publication Date -01/07/2015 Date Updated -22/08/2016
i01057286
Engine Oil Pan - Remove and Install
SMCS - 1302-010
Removal Procedure
NOTICE
Care must be taken to ensure that fluids are contained during
performance of inspection, maintenance, testing, adjusting and repair
of the product. Be prepared to collect the fluid with suitable containers
before opening any compartment or disassembling any component
containing fluids.
Refer to Special Publication, NENG2500, "Caterpillar Dealer Service
Tool Catalog" for tools and supplies suitable to collect and contain
fluids on Caterpillar products.
Dispose of all fluids according to local regulations and mandates.
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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30. Suggest:
If the above button click is invalid.
Please download this document
first, and then click the above link
to download the complete manual.
Thank you so much for reading
31. Hot oil and hot components can cause personal injury. Do not allow hot
oil or hot components to contact the skin.
1. Drain the oil from the engine oil pan into a suitable container for storage or disposal.
Illustration 1 g00552331
Typical example
2. Remove tube assembly (1). Remove the gaskets.
Illustration 2 g00552333
Typical example
3. Remove bolts (2) from engine oil pan (3).
4. Use two technicians in order to remove engine oil pan (3).
The weight of the engine oil pan for the 3408E is approximately 14 kg (31 lb).
The weight of the engine oil pan for the 3412E is approximately 27 kg (60 lb).
5. Thoroughly remove gasket (4) from the engine oil pan and the cylinder block.
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32. Make sure that all of the old gasket material has been removed from the mating surfaces of
the engine oil pan and the cylinder block. Make sure that all surfaces are clean and free of
dirt and debris.
Installation Procedure
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
1. Use 5H-2471 Adhesive to install a new gasket on the engine oil pan.
Illustration 3 g00552333
Typical example
2. Put new gasket (4) into position on engine oil pan (3).
3. Use two technicians in order to put engine oil pan (4) in position on the engine.
The weight of the engine oil pan for the 3408E is approximately 14 kg (31 lb).
The weight of the engine oil pan for the 3412E is approximately 27 kg (60 lb).
4. Install bolts (2) that hold engine oil pan (3) to the cylinder block.
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