This document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar C6.6 engine. The procedure involves using special tools to compress the valve springs, remove the valve keepers, and position the pistons at top dead center. Valve springs must be replaced in pairs and the crankshaft must not be turned while springs are removed. Cleanliness is important to prevent contaminating parts. The installation procedure specifies inspecting and lubricating parts before reassembling the valve springs and related components.
Caterpillar cat 323 d l excavator (prefix nzf) service repair manual (nzf0000...fjjsekmsmmes
This service manual provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar C6.6 engine. The procedure involves using special tools to compress the valve springs, remove the keepers, and access the valves. The springs must be removed and installed in pairs per cylinder to ensure proper valve timing. Technicians are advised to clean all parts thoroughly and position the pistons carefully before compressing the springs.
Caterpillar Cat 323D L Excavator (Prefix NZF) Service Repair Manual (NZF00001...shudun96087
This document provides instructions for removing and installing inlet and exhaust valves on a Caterpillar C6.6 engine. The procedure involves using specialty tools to compress the valve springs and position the pistons correctly. Valve springs and seals are removed from each valve one at a time. New seals and springs are installed by compressing the springs and securing keepers. Proper cleaning and lubrication is required. The process is repeated for all valves before reinstalling the cylinder head.
Caterpillar Cat 323D L Excavator (Prefix NZF) Service Repair Manual (NZF00001...qme229722
This document provides instructions for removing and installing inlet and exhaust valves on a Caterpillar C6.6 engine. The procedure involves using specialty tools to compress the valve springs and position the pistons. Valve springs and retainers are removed from each valve one at a time. New seals and springs are installed by compressing the springs with a tool and ensuring the retainers are securely in place. The process is repeated for all valves and the cylinder head can then be reinstalled on the engine.
Caterpillar Cat 323D L Excavator (Prefix NZF) Service Repair Manual (NZF00001...kesi7153062
This document provides instructions for removing and installing inlet and exhaust valves on a Caterpillar C6.6 engine. The procedure involves using specialty tools to compress the valve springs and position the pistons correctly. Valve springs and seals are removed from each valve one at a time. New seals and springs are installed by compressing the springs and securing keepers. Proper cleaning and lubrication is required. The process is repeated for all valves before installing the cylinder head.
Caterpillar cat 329 e l excavator (prefix wjk) service repair manual (wjk0000...fjjskekksmem
- The document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar 329E L excavator.
- Key steps include using special tools to compress the valve springs, removing retainers and springs, and ensuring pistons are at top dead center to avoid valves dropping into cylinders.
- Proper cleaning and identification of parts is emphasized to avoid contamination and mix-ups.
Caterpillar cat 329 e l excavator (prefix wjk) service repair manual (wjk0000...ufjjsjefkskekmme
- The document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar 329E L excavator.
- Key steps include using special tools to compress the valve springs, removing keepers and spring retainers, and ensuring pistons are at top dead center to avoid valves dropping into cylinders.
- Proper cleaning and identification of parts is emphasized to avoid contamination and ensure correct reassembly.
Caterpillar cat 329 e l excavator (prefix wjk) service repair manual (wjk0000...ufjjjskkemmd
This document provides instructions for removing and installing inlet and exhaust valve springs on a 329E L excavator with a C7.1 engine. The key steps are:
1. Use special tools to compress the valve spring and rotate the crankshaft to position the piston at top dead center, allowing the valve spring to be removed safely.
2. Remove the valve spring retainer and valve spring. Replace springs in pairs per cylinder.
3. To install, compress the new valve spring and position the retainer and valve spring keepers using the special tools.
4. Reinstall any removed parts like harness assemblies and connections. Follow torque specifications for all fasteners.
Caterpillar cat 329 e l excavator (prefix wjk) service repair manual (wjk0000...fjjsekkmdmes
- The document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar 329E L excavator.
- Key steps include using special tools to compress the valve springs, removing keepers and spring retainers, and ensuring pistons are at top dead center to avoid valves dropping into cylinders.
- Proper cleaning and identification of parts is emphasized to avoid contamination and ensure correct reassembly.
Caterpillar cat 323 d l excavator (prefix nzf) service repair manual (nzf0000...fjjsekmsmmes
This service manual provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar C6.6 engine. The procedure involves using special tools to compress the valve springs, remove the keepers, and access the valves. The springs must be removed and installed in pairs per cylinder to ensure proper valve timing. Technicians are advised to clean all parts thoroughly and position the pistons carefully before compressing the springs.
Caterpillar Cat 323D L Excavator (Prefix NZF) Service Repair Manual (NZF00001...shudun96087
This document provides instructions for removing and installing inlet and exhaust valves on a Caterpillar C6.6 engine. The procedure involves using specialty tools to compress the valve springs and position the pistons correctly. Valve springs and seals are removed from each valve one at a time. New seals and springs are installed by compressing the springs and securing keepers. Proper cleaning and lubrication is required. The process is repeated for all valves before reinstalling the cylinder head.
Caterpillar Cat 323D L Excavator (Prefix NZF) Service Repair Manual (NZF00001...qme229722
This document provides instructions for removing and installing inlet and exhaust valves on a Caterpillar C6.6 engine. The procedure involves using specialty tools to compress the valve springs and position the pistons. Valve springs and retainers are removed from each valve one at a time. New seals and springs are installed by compressing the springs with a tool and ensuring the retainers are securely in place. The process is repeated for all valves and the cylinder head can then be reinstalled on the engine.
Caterpillar Cat 323D L Excavator (Prefix NZF) Service Repair Manual (NZF00001...kesi7153062
This document provides instructions for removing and installing inlet and exhaust valves on a Caterpillar C6.6 engine. The procedure involves using specialty tools to compress the valve springs and position the pistons correctly. Valve springs and seals are removed from each valve one at a time. New seals and springs are installed by compressing the springs and securing keepers. Proper cleaning and lubrication is required. The process is repeated for all valves before installing the cylinder head.
Caterpillar cat 329 e l excavator (prefix wjk) service repair manual (wjk0000...fjjskekksmem
- The document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar 329E L excavator.
- Key steps include using special tools to compress the valve springs, removing retainers and springs, and ensuring pistons are at top dead center to avoid valves dropping into cylinders.
- Proper cleaning and identification of parts is emphasized to avoid contamination and mix-ups.
Caterpillar cat 329 e l excavator (prefix wjk) service repair manual (wjk0000...ufjjsjefkskekmme
- The document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar 329E L excavator.
- Key steps include using special tools to compress the valve springs, removing keepers and spring retainers, and ensuring pistons are at top dead center to avoid valves dropping into cylinders.
- Proper cleaning and identification of parts is emphasized to avoid contamination and ensure correct reassembly.
Caterpillar cat 329 e l excavator (prefix wjk) service repair manual (wjk0000...ufjjjskkemmd
This document provides instructions for removing and installing inlet and exhaust valve springs on a 329E L excavator with a C7.1 engine. The key steps are:
1. Use special tools to compress the valve spring and rotate the crankshaft to position the piston at top dead center, allowing the valve spring to be removed safely.
2. Remove the valve spring retainer and valve spring. Replace springs in pairs per cylinder.
3. To install, compress the new valve spring and position the retainer and valve spring keepers using the special tools.
4. Reinstall any removed parts like harness assemblies and connections. Follow torque specifications for all fasteners.
Caterpillar cat 329 e l excavator (prefix wjk) service repair manual (wjk0000...fjjsekkmdmes
- The document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar 329E L excavator.
- Key steps include using special tools to compress the valve springs, removing keepers and spring retainers, and ensuring pistons are at top dead center to avoid valves dropping into cylinders.
- Proper cleaning and identification of parts is emphasized to avoid contamination and ensure correct reassembly.
Caterpillar cat 329 e l excavator (prefix wjk) service repair manual (wjk0000...fjskkmemem
This document provides instructions for removing and installing inlet and exhaust valve springs on a 329E L excavator with a C7.1 engine. The key steps are:
1. Use special tools to compress the valve spring and rotate the crankshaft to position the piston at top dead center, allowing the valve spring to be removed safely.
2. Remove the valve spring retainer and valve spring. Replace springs in pairs per cylinder.
3. To install, compress the new valve spring and position the retainer and valve spring keepers using the special tools.
4. Reinstall any removed parts like harness assemblies and connections. Follow torque specifications for all fasteners.
Caterpillar cat 320 e ln excavator (prefix naz) service repair manual (naz000...fujjdfjkksekmem
This document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar C6.6 engine. The procedure involves using specialized tools to compress the valve springs, rotate the crankshaft to position the piston at top dead center, and remove/install the valve spring retainers and valve springs. Safety precautions are outlined to prevent injury from the force of compressed springs.
Caterpillar cat 320 e excavator (prefix naz) service repair manual (naz00001 ...fujjdfjkksekmem
This document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar 320E excavator engine. The procedure involves using specialized tools to compress the valve springs, remove the keepers, and access the valves and springs. Proper piston positioning is required before removing each spring to avoid parts falling into the cylinder. Cleanliness is emphasized to prevent contaminating the engine. The installation procedure mirrors the removal process but in reverse order.
Caterpillar cat 320 e l excavator (prefix naz) service repair manual (naz0000...fuekdksmemm
This document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar C6.6 engine. The procedure involves using specialized tools to compress the valve springs, rotate the crankshaft to position the piston at top dead center, and remove/install the valve spring retainers and valve springs. Safety precautions are outlined to prevent injury from the force of compressed springs. The installation process is the reverse of removal and requires cleaning and inspecting parts before reassembly.
Caterpillar cat 320 e ln excavator (prefix naz) service repair manual (naz000...fuekdksmemm
This document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar C6.6 engine. The procedure involves using specialized tools to compress the valve springs, rotate the crankshaft to position the piston at top dead center, and remove/install the valve spring retainers and valve springs. Safety precautions are outlined to prevent injury from the force of compressed springs. The installation procedure is essentially the reverse of the removal process.
Caterpillar cat 320 e l excavator (prefix naz) service repair manual (naz0000...fujskekfksmem
This document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar 320E excavator engine. The procedure involves using specialized tools to compress the valve springs, remove the keepers, and access the valves and springs. Proper piston positioning is required before removing each spring to avoid parts falling into the cylinder. Cleanliness is emphasized to prevent contaminating the engine. The installation procedure mirrors the removal process but in reverse order.
Caterpillar cat 320 e excavator (prefix naz) service repair manual (naz00001 ...fujskekfksmem
This document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar 320E excavator engine. The procedure involves using specialized tools to compress the valve springs, remove the valve keepers, and access the valves and springs. Proper piston positioning is required before removing each spring to avoid parts falling into the cylinder. Cleanliness is emphasized to prevent contaminating the engine. The installation procedure mirrors the removal process but in reverse order.
Caterpillar cat 320 e excavator (prefix naz) service repair manual (naz00001 ...fuekdksmemm
This document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar C6.6 engine. The procedure involves using specialized tools to compress the valve springs, rotate the crankshaft to position the piston at top dead center, and remove/install the valve spring retainers and valve springs. Safety precautions are outlined to prevent injury from the force of compressed springs. The installation process is the reverse of removal and requires cleaning and inspecting parts before reassembly.
This document provides instructions for disassembling and assembling the final drive of an excavator. It lists the required tools and parts. The disassembly process involves removing 37 individual components in a specific order, including gears, shafts, seals, washers, and housings. The assembly section provides instructions for installing these components in reverse order and notes on cleaning, lubricating, and setting proper bearing preload using shims.
Caterpillar Cat 325D L Excavator (Prefix GBR) Service Repair Manual Instant D...fujkskemdmdm4r
The document provides instructions to disassemble a final drive over 33 steps. Key steps include removing the cover, gears, carrier assemblies, planetary gears, and seals. Cleanliness is important to prevent dirt entering during disassembly. Various tools are required including a transmission repair stand, link brackets, retaining ring pliers, and a slide hammer puller. The total weight of disassembled parts is provided.
Caterpillar Cat 323D L Excavator (Prefix JLG) Service Repair Manual Instant D...fujkskemdmdm4r
1. The document provides instructions for removing and installing inlet and exhaust valve seat inserts for a C6.4 engine. It describes the required tools and steps to remove the old inserts and install new ones.
2. Procedures are provided for removing, disassembling, and assembling the engine oil cooler. Parts are to be kept clean from contaminants to prevent damage.
3. Instructions are given for removing and installing the engine oil relief valve, including replacing the gasket. Cleanliness is important to prevent premature wear.
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.
Caterpillar Cat 345D L Excavator (Prefix BYC) Service Repair Manual Instant D...fujkskemdmdm4r
This document provides instructions for removing and installing various components of the rear gear group and flywheel on a C13 engine, which powers a 345D L excavator. The procedures include removing the electric starting motor, flywheel, rear crankshaft seal, and other rear gear components. Detailed illustrations show the components and tools used. Precautions are provided to properly support heavy components and contain fluids.
Caterpillar Cat 336D L Excavator (Prefix MDS) Service Repair Manual Instant D...fujkskemdmdm4r
The document provides instructions for disassembling and assembling a piston pump (hydraulic fan) on a Caterpillar 336D L excavator. The disassembly process involves using tools to remove retaining rings, seals, bearings, pistons and other components. The assembly process specifies cleaning parts and provides 30 steps for installing components in the correct order and ensuring proper operation, including adjusting end play and installing springs and seals.
Caterpillar Cat 345D L Excavator (Prefix RAE) Service Repair Manual Instant D...fujkskemdmdm4r
This document provides instructions for disassembling and assembling the travel motor of a 345D L excavator. It lists the required tools and gives step-by-step instructions for removing components like the head, brake piston, rotating group, and seals. The instructions emphasize cleaning parts and ensuring they are reinstalled in their original locations to avoid damage and contamination.
Caterpillar Cat 345D L Excavator (Prefix PBT) Service Repair Manual Instant D...fujkskemdmdm4r
This document provides instructions for disassembling and assembling the swing drive of a 345D L excavator. It lists the required tools and gives step-by-step procedures to remove components such as the carrier assembly, ring gear, and bearings. Cleanliness is emphasized during assembly, with seals, O-rings and other parts replaced as needed. The instructions ensure the swing drive is properly disassembled and reassembled.
Caterpillar Cat 345D L Excavator (Prefix RAJ) Service Repair Manual Instant D...fujkskemdmdm4r
The document provides instructions for disassembling and assembling a travel motor. It lists the required tools and gives step-by-step instructions to remove components like the head, plates, seals, and piston assemblies. The disassembly process is described in 31 steps. The assembly section then lists 13 steps to reinstall components in reverse order, making sure to clean parts and apply new seals and lubricants.
This document provides instructions for removing and installing fuel injection pumps and disassembling and assembling fuel ratio control components on a Caterpillar 3406C diesel engine. The steps include using various tools to remove the fuel injection pumps from the pump housing, install new pumps, and check pump installation. Instructions are also provided to disassemble the fuel ratio control housing by removing bolts, springs, diaphragms and other parts and cleaning components before reassembly.
Caterpillar Cat 345C and 345C L Excavator (Prefix BWY) Service Repair Manual ...fujkskemdmdm4r
This document provides instructions for disassembling and assembling a travel motor. The disassembly procedure involves 31 steps to remove parts like the head, plates, disks, seals, pistons, and housing. The assembly procedure reverses the disassembly with 13 steps like installing seals, spacers, pistons, plates and tightening components. Precautions are provided to keep parts clean and in correct orientation to prevent contamination of the hydraulic system.
Caterpillar Cat 345C and 345C L Excavator (Prefix TBA) Service Repair Manual ...fujkskemdmdm4r
This document provides instructions for disassembling and assembling a travel motor. The disassembly procedure involves 31 steps to remove parts like the head, pins, plates, seals, pistons, disks, and bearings. The assembly procedure reverses the disassembly process in 30 steps and provides notes about cleaning parts, applying lubricant, and ensuring proper orientation of components like washers. Tools required are listed for both procedures.
Caterpillar Cat 345D L Excavator (Prefix MLK) Service Repair Manual Instant D...fujkskemdmdm4r
This document provides instructions for assembling and installing a travel motor. It outlines 34 steps for assembling components like pistons, seals, plates, and bearings. It also describes using tools to measure clearances and distances during assembly. Finally, it details installing the assembled travel motor using lifting devices and bolts, and connecting hydraulic hose assemblies.
The document provides instructions for removing and installing the drive shaft group with retarder on a 621E, 623E, or 627E tractor. It describes disconnecting hydraulic lines and removing bolts, covers, and housing to access the drive shaft group. Special care must be taken when removing plates and springs from the retarder, as they are under pressure. The process is reversed for installation, reconnecting hydraulic lines and replacing removed components.
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Caterpillar cat 329 e l excavator (prefix wjk) service repair manual (wjk0000...fjskkmemem
This document provides instructions for removing and installing inlet and exhaust valve springs on a 329E L excavator with a C7.1 engine. The key steps are:
1. Use special tools to compress the valve spring and rotate the crankshaft to position the piston at top dead center, allowing the valve spring to be removed safely.
2. Remove the valve spring retainer and valve spring. Replace springs in pairs per cylinder.
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Caterpillar cat 320 e ln excavator (prefix naz) service repair manual (naz000...fujjdfjkksekmem
This document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar C6.6 engine. The procedure involves using specialized tools to compress the valve springs, rotate the crankshaft to position the piston at top dead center, and remove/install the valve spring retainers and valve springs. Safety precautions are outlined to prevent injury from the force of compressed springs.
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This document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar 320E excavator engine. The procedure involves using specialized tools to compress the valve springs, remove the keepers, and access the valves and springs. Proper piston positioning is required before removing each spring to avoid parts falling into the cylinder. Cleanliness is emphasized to prevent contaminating the engine. The installation procedure mirrors the removal process but in reverse order.
Caterpillar cat 320 e l excavator (prefix naz) service repair manual (naz0000...fuekdksmemm
This document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar C6.6 engine. The procedure involves using specialized tools to compress the valve springs, rotate the crankshaft to position the piston at top dead center, and remove/install the valve spring retainers and valve springs. Safety precautions are outlined to prevent injury from the force of compressed springs. The installation process is the reverse of removal and requires cleaning and inspecting parts before reassembly.
Caterpillar cat 320 e ln excavator (prefix naz) service repair manual (naz000...fuekdksmemm
This document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar C6.6 engine. The procedure involves using specialized tools to compress the valve springs, rotate the crankshaft to position the piston at top dead center, and remove/install the valve spring retainers and valve springs. Safety precautions are outlined to prevent injury from the force of compressed springs. The installation procedure is essentially the reverse of the removal process.
Caterpillar cat 320 e l excavator (prefix naz) service repair manual (naz0000...fujskekfksmem
This document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar 320E excavator engine. The procedure involves using specialized tools to compress the valve springs, remove the keepers, and access the valves and springs. Proper piston positioning is required before removing each spring to avoid parts falling into the cylinder. Cleanliness is emphasized to prevent contaminating the engine. The installation procedure mirrors the removal process but in reverse order.
Caterpillar cat 320 e excavator (prefix naz) service repair manual (naz00001 ...fujskekfksmem
This document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar 320E excavator engine. The procedure involves using specialized tools to compress the valve springs, remove the valve keepers, and access the valves and springs. Proper piston positioning is required before removing each spring to avoid parts falling into the cylinder. Cleanliness is emphasized to prevent contaminating the engine. The installation procedure mirrors the removal process but in reverse order.
Caterpillar cat 320 e excavator (prefix naz) service repair manual (naz00001 ...fuekdksmemm
This document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar C6.6 engine. The procedure involves using specialized tools to compress the valve springs, rotate the crankshaft to position the piston at top dead center, and remove/install the valve spring retainers and valve springs. Safety precautions are outlined to prevent injury from the force of compressed springs. The installation process is the reverse of removal and requires cleaning and inspecting parts before reassembly.
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The document provides instructions for removing and installing various engine components, including:
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This document provides assembly instructions for a 336D L excavator transmission in 3 sentences:
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The document provides step-by-step instructions for disassembling and assembling the final drives of a 350L excavator. Key steps include removing the final drives and travel motors, disassembling the internal components of the final drives which include multiple planetary gear sets, carriers, and a sun gear, and then reassembling the final drives in reverse order. Proper cleaning, application of lubricants, and torque specifications are noted throughout to ensure correct reassembly.
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The document provides instructions for removing and installing various engine components on a 350-A EXCAVATOR 8HK excavator powered by a 3306 engine, including:
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- Instructions for disassembling, assembling, and installing the rocker shaft, including removing/installing rocker arms, supports, springs and O-rings.
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This document provides instructions for removing and installing various engine components on a Caterpillar 345D L excavator, including:
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- Removing and installing the crankshaft rear seal using bolts, sealant and cleaning of parts. Proper inspection of the crankshaft surface is also noted.
Caterpillar Cat 350 and 350 L Excavator (Prefix 3ML) Service Repair Manual In...fujkskemdmdm4r
This document provides instructions for disassembling and assembling the governor of a 350-A excavator powered by a 3306 engine. The disassembly process involves removing 34 parts from the governor including the fuel ratio control, housing, springs, levers, pins, plates, screws, solenoid, shaft and other components. The assembly process describes installing these 34 parts in the reverse order and includes ensuring parts are clean and lubricated before installation. Special tools are required for some steps.
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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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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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.
The Octavia range embodies the design trend of the Škoda brand: a fusion of
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2. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 323D L EXCAVATOR NZF
Configuration: 323D L Excavator NZF00001-UP (MACHINE) POWERED BY C6.6 Engine
Disassembly and Assembly
C6.6 Engines for Caterpillar Built Machines
Media Number -KENR6081-15 Publication Date -01/03/2014 Date Updated -04/03/2014
i06960581
Inlet and Exhaust Valve Springs - Remove and Install
SMCS - 1108-010
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-1860 Retaining Ring Pliers 1
B
9U-6193 Valve Spring Compressor 1
416-0288 Adapter 1
416-0292 Head 1
C(1)
9U-6198 Crankshaft Turning Tool 1
C(2)
9U-7336 Housing 1
5P-7305 Engine Turning Tool 1
(1)
The Crankshaft Turning Tool is used on the front pulley.
(2)
This Tool is used in the aperture for the electric starting motor.
Start By:
a. Remove the rocker shaft assembly. Refer to Disassembly and Assembly, "Rocker Shaft and
Pushrod - Remove" for the correct procedure.
Note: Either Tooling (C) can be used. Use the Tooling that is most suitable.
NOTICE
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3. Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Note: The following procedure should be adopted to remove the valve springs when the cylinder
head is installed to the engine. Refer to Disassembly and Assembly, "Inlet and Exhaust Valves -
Remove and Install" for the procedure to remove the valve springs from a cylinder head that has
been removed from the engine.
Note: Ensure that the appropriate piston is at top dead center before the valve spring is removed.
Failure to ensure that the piston is at top dead center may allow the valve to drop into the cylinder
bore.
Personal injury can result from being struck by parts propelled by a
released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
NOTICE
Plug the apertures for the push rods in the cylinder head to prevent the
entry of loose parts into the engine.
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4. Illustration 1 g01335929
1. Follow Steps 1.a through 1.h to remove the harness assemblies for the electronic unit
injectors.
a. Place a temporary identification mark on connections (1) for harness assembly (4) for
electronic unit injectors (2).
b. Use a deep socket to remove connections (1) from electronic unit injectors (2).
c. Cut the cable straps (3).
d. Disconnect plug (7) from harness assembly (4).
e. Use Tooling (A) to remove circlip (5).
f. From the outside of valve mechanism cover base (8), push harness assembly (4)
inward. Withdraw the harness assembly from the valve mechanism cover base.
g. Remove O-ring seal (6) from harness assembly (4).
h. Repeat Steps 1.a through 1.g to remove the remaining harness assemblies.
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5. Illustration 2 g01335931
NOTICE
Ensure that the valve spring is compressed squarely or damage to the
valve stem may occur.
2. Follow Steps 2.a through 2.d to position the appropriate piston at top dead center.
a. Install Tooling (B) in position on the cylinder head to compress a valve spring (11)
for the appropriate piston.
b. Use Tooling (B) to compress valve spring (11) and open the valve slightly.
Note: Do not compress the spring so that the valve spring retainer (10) touches the
valve stem seal.
c. Use Tooling (C) to rotate the crankshaft carefully, until the piston touches the valve.
Note: Not use excessive force to turn the crankshaft. The use of force can result in
bent valve stems.
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6. d. Continue to rotate the crankshaft and gradually release the pressure on Tooling (B)
until the piston is at the top dead center position. The valve is now held in a position
that allows the valve spring to be safely removed.
Note: Valve springs must be replaced in pairs for the inlet valve or the exhaust valve of
each cylinder. If all valve springs require replacement the procedure can be carried out on
two cylinders at the same time. The procedure can be carried out on the following pairs of
cylinders. 1 with 6, 2 with 5 and 3 with 4. Ensure that all the valve springs are installed
before changing from one pair of cylinders to another pair of cylinders.
NOTICE
Do not turn the crankshaft while the valve springs are removed.
3. Apply sufficient pressure to Tooling (B) to allow removal of valve keepers (8).
Note: Do not compress the spring so that valve spring retainer (9) touches the valve stem
seal.
Remove valve keepers (9).
4. Slowly release pressure on Tooling (B).
5. Remove valve spring retainer (10) and remove valve spring (11).
6. If necessary, remove the valve stem seals.
7. Repeat Steps 3 through 6 to remove the remaining valve springs from the appropriate
cylinder.
8. Remove Tooling (B).
Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
A 1P-1860 Retaining Ring Pliers 1
B
9U-6193 Valve Spring Compressor 1
416-0288 Adapter 1
416-0292 Head 1
C(1)
9U-6198 Crankshaft Turning Tool 1
C(2)
9U-7336 Housing 1
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7. 5P-7305 Engine Turning Tool 1
D 1U-6396 O-Ring Assembly Compound 1
E 247-5377 Torque Wrench 1
(1)
The Crankshaft Turning Tool is used on the front pulley.
(2)
This Tool is used in the aperture for the electric starting motor.
Note: Either Tooling (C) can be used. Use the Tooling that is most suitable.
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
NOTICE
Do not turn the crankshaft while the valve springs are removed.
NOTICE
Plug the apertures for the push rods in the cylinder head to prevent the
entry of loose parts into the engine.
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8. Illustration 3 g01335931
1. Inspect valve springs (11) for damage and for the correct length. Refer to Specifications,
"Cylinder Head Valves" for the correct procedure.
2. If necessary, install a new valve stem seal onto the valve guide.
Note: The outer face of the valve guide must be clean and dry before installing the valve
stem seal.
3. Install valve spring (11) onto the cylinder head. Position valve spring retainer (10) on valve
spring (11).
Improper assembly of parts that are spring loaded can cause bodily
injury.
To prevent possible injury, follow the established assembly procedure
and wear protective equipment.
NOTICE
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9. Ensure that the valve spring is compressed squarely or damage to the
valve stem may occur.
4. Install Tooling (B) in the appropriate position on the cylinder head to compress valve spring
(11).
5. Apply sufficient pressure to Tooling (B) to install valve keepers (9).
Note: Do not compress the spring so that valve spring retainer (10) touches the valve stem
seal.
Install the valve spring keepers.
6. Carefully release the pressure on Tooling (B).
7. Repeat steps 2 to 6 for the remaining valves.
The valve spring keepers can be thrown from the valve when the valve
spring compressor is released. Ensure that the valve spring keepers are
properly installed on the valve stem. To help prevent personal injury,
keep away from the front of the valve spring keepers and valve springs
during the installation of the valves.
8. Remove Tooling (B).
9. Use Tooling (C) to rotate the crankshaft through approximately 45 degrees. Rotate the
crankshaft through approximately 45 degrees will ensure that the appropriate valve is clear
of the piston. Lightly strike the top of the valve with a soft hammer to ensure that valve
keepers (9) are properly installed.
Note: If all valve springs require replacement the procedure can be carried out on two
cylinders at the same time. The procedure can be carried out on the following cylinders. 1
and 6, 2 and 5 and 3 and 4. Remember that the crankshaft must not be turned while the
valve springs are removed. Ensure that all the valve springs are installed before changing
from one pair of cylinders to the other pair of cylinders. If all valve springs do not require
replacement, the springs must be replaced in pairs.
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10. Illustration 4 g01335929
10. Follow Steps 10.a through 10.g to install the harness assemblies for the electronic unit
injectors.
a. Ensure that harness assembly (4) for the electronic unit injectors and the bore in valve
mechanism cover base (8) are clean and free from damage. Replace any damaged
components.
b. Use Tooling (D) to lubricate a new O-ring seal. Install new O-ring seal (6) onto
harness assembly (4) for the electronic unit injectors.
c. Install harness assembly (4) into valve mechanism cover base (8) from inside the
valve mechanism cover base.
d. Use Tooling (A) to install circlip (5).
e. Connect plug (7) to harness assembly (4) for the electronic unit injectors.
f. Use a deep socket to install connections (1) to electronic unit injectors (2). Use
Tooling (E) to tighten the connections to a torque of 2.4 N·m (21 lb in).
g. Install a new cable strap (3).
Note: Ensure that cable straps meet Original Equipment Manufacturer (OEM)
specification are used.
h. Repeat Steps 10.a through 10.g for the remaining harness assemblies.
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11. End By:
a. Install the rocker shaft assembly. Refer to Disassembly and Assembly, "Rocker Shaft and
Pushrod - Install" for the correct procedure.
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Fri Aug 28 09:25:39 UTC+0800 2020
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12. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 323D L EXCAVATOR NZF
Configuration: 323D L Excavator NZF00001-UP (MACHINE) POWERED BY C6.6 Engine
Disassembly and Assembly
C6.6 Engines for Caterpillar Built Machines
Media Number -KENR6081-15 Publication Date -01/03/2014 Date Updated -04/03/2014
i06907987
Inlet and Exhaust Valves - Remove and Install
SMCS - 1105-010
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A
9U-6195 Valve Spring Compressor 1
416-0292 Adapter 1
416-0288 Head 1
Start By:
a. Remove the cylinder head. Refer to Disassembly and Assembly, "Cylinder Head - Remove"
for the correct procedure.
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
1. Clean the bottom mating surface of the cylinder head. Check the depth of the valves below
the face of the cylinder head before the valve springs are removed. Refer to Specifications,
"Cylinder Head Valves" for the correct dimensions.
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13. 2. Place a temporary identification mark on the heads of the valves to identify the correct
position.
Note: Inlet valves have a recess in the center of the head.
3. Use a suitable lifting device to position the cylinder head with the valve springs upward.
The weight of the cylinder head is approximately 65 kg (143 lb).
Note: Ensure that the cylinder head is kept on a clean, soft surface to prevent damage to the
machined face.
Personal injury can result from being struck by parts propelled by a
released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
Illustration 1 g01335985
Typical example
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14. 4. Install Tooling (A) in position on the cylinder head to compress appropriate valve spring
(3).
NOTICE
Ensure that the valve spring is compressed squarely or damage to the
valve stem may occur.
5. Apply sufficient pressure to Tooling (A) to remove valve keepers (1).
Note: Do not compress the spring so that valve spring retainer (2) touches valve stem seal
(4).
6. Slowly release pressure on Tooling (A).
Illustration 2 g01335986
7. Remove valve spring retainer (2). Remove valve spring (3).
8. Repeat steps 4 to 7 for the remaining valves.
9. Remove Tooling (A).
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15. 10. Remove valve stem seals (4).
11. Use a suitable lifting device to carefully turn over the cylinder head.
12. Remove valves (5).
Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
A
9U-6195 Valve Spring Compressor 1
416-0292 Adapter 1
416-0288 Head 1
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
1. Clean all components of the cylinder head assembly. Ensure that all ports, all coolant
passages, and all lubrication passages in the cylinder head are free from debris. Follow
Steps 1.a through 1.d to inspect the components of the cylinder head assembly. Replace any
components that are worn or damaged.
a. Inspect the cylinder head for wear and for damage. Refer to System Operation,
Testing and Adjusting, "Cylinder Head Inspect".
b. Inspect the valve seats for wear and for damage. Refer to Specifications, "Cylinder
Head Valves" for further information.
c. Inspect the valve guides for wear and for damage. Refer to Specifications, "Cylinder
Head Valves" and System Operation, Testing and Adjusting, "Valve Guide - Inspect"
for further information.
d. Inspect the valves for wear and for damage. Refer to Specifications, "Cylinder Head
Valves" for the correct procedure.
e. Inspect valve springs (3) for damage and for the correct length. Refer to
Specifications, "Cylinder Head Valves" for the correct procedure.
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16. Illustration 3 g01335986
2. Lubricate the stems of valves (5) with clean engine oil. Install valves (5) in the appropriate
positions in the cylinder head. Check the depth of the valves below the face of the cylinder
head. Refer to System Operation, Testing and Adjusting, "Valve Depth - Inspect" for more
information.
3. Use a suitable lifting device to carefully turn over the cylinder head. The weight of the
cylinder head is approximately 65 kg (143 lb).
Note: Ensure that all the valves remain in place.
4. Install new valve stem seals (4) onto each of the valve guides.
Note: The outer face of the valve guides must be clean and dry before installing valve stem
seals (4).
5. Install valve spring (3) onto the cylinder head. Position valve spring retainer (2) on valve
spring (3).
Personal injury can result from being struck by parts propelled by a
released spring force.
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17. Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
Illustration 4 g01335985
6. Install Tooling (A) in the appropriate position on the cylinder head to compress valve spring
(3).
NOTICE
Ensure that the valve spring is compressed squarely or damage to the
valve stem may occur.
7. Apply sufficient pressure to Tooling (A) to install valve keepers (1).
Note: Do not compress the spring so that valve spring retainer (2) touches valve stem seal
(4).
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18. The valve spring keepers can be thrown from the valve when the valve
spring compressor is released. Ensure that the valve spring keepers are
properly installed on the valve stem. To help prevent personal injury,
keep away from the front of the valve spring keepers and valve springs
during the installation of the valves.
8. Carefully release the pressure on Tooling (A).
9. Repeat steps 5 to 8 for the remaining valves.
10. Remove Tooling (A) from the cylinder head.
11. Use a suitable lifting device to position the cylinder head on a support. Ensure that the heads
of the valves are not obstructed. Gently strike the top of the valves with a soft hammer to
ensure that valve keepers (1) are properly installed.
End By:
a. Install the cylinder head. Refer to Disassembly and Assembly, "Cylinder Head - Install" for
the correct procedure.
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Fri Aug 28 09:26:38 UTC+0800 2020
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19. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 323D L EXCAVATOR NZF
Configuration: 323D L Excavator NZF00001-UP (MACHINE) POWERED BY C6.6 Engine
Disassembly and Assembly
C6.6 Engines for Caterpillar Built Machines
Media Number -KENR6081-15 Publication Date -01/03/2014 Date Updated -04/03/2014
i02786717
Engine Oil Filter Base - Remove and Install
SMCS - 1306-010
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A - Strap Wrench 1
Note: The oil filter can be installed vertically or the oil filter can be installed horizontally.
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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.
Dispose of all fluids according to local regulations and mandates.
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20. 1. Place a suitable container below engine oil filter base (3) in order to catch any oil that might
be spilled.
Illustration 1 g01336008
Typical example
2. If the engine oil filter base has a horizontal engine oil filter, follow Steps 2.a to 2.b in order
to drain the engine oil filter.
a. Remove drain plug (6) from engine oil filter base (2).
b. Remove O-ring seal (5) from drain plug (6).
3. Use Tooling (A) to remove engine oil filter (3). Refer to Operation and Maintenance
Manual, "Engine Oil and Filter - Change".
4. Remove bolts (4). If bolts of different lengths are installed, identify the correct position of
the bolts.
Note: If necessary, remove the spacers and slide the bracket for the wiring loom to one side.
5. Remove engine oil filter base (2).
6. Remove joint (1).
7. If necessary, remove plug (8) from engine oil filter base (2). Remove O-ring seal (7) from
plug (8).
Installation Procedure
NOTICE
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21. Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Illustration 2 g01336008
Typical example
1. Clean engine oil filter base (2). Clean the mating surfaces of the cylinder block or the
engine oil cooler.
2. If necessary, install new O-ring seals (5) and (7) to plugs (6) and (8). Install plugs (6) and
(8) to engine oil filter base (2). Tighten the plugs to a torque of 12 N·m (106 lb in).
Note: Drain plug (6) is only installed to engines with a horizontal engine oil filter.
3. Install bolts (4) to engine oil filter base (2). Ensure that bolts of different lengths are
installed in the correct positions.
Note: If necessary, install the spacers and the bracket for the wiring loom.
4. Install a new joint (1) onto bolts (4). Install the assembly of the engine oil filter base to the
cylinder block or the engine oil cooler.
5. Tighten bolts (4) to a torque of 22 N·m (16 lb ft).
6. Install a new engine oil filter (3) and check the level of the engine lubricating oil. Refer to
Operation and Maintenance Manual, "Engine Oil Level - Check" for the correct procedure.
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Fri Aug 28 09:27:37 UTC+0800 2020
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22. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 323D L EXCAVATOR NZF
Configuration: 323D L Excavator NZF00001-UP (MACHINE) POWERED BY C6.6 Engine
Disassembly and Assembly
C6.6 Engines for Caterpillar Built Machines
Media Number -KENR6081-15 Publication Date -01/03/2014 Date Updated -04/03/2014
i02786723
Engine Oil Cooler - Remove - Engine Oil Cooler with a High
Mounted Filter Base
SMCS - 1378-011
Removal Procedure
Start By:
a. Remove the bracket for the Electronic Control Module. Refer to Disassembly and
Assembly, "ECM Mounting Bracket - Remove and Install".
NOTICE
Ensure that all adjustments and repairs that are carried out to the fuel
system are performed by authorised personnel that have the correct
training.
Before begining ANY work on the fuel system, refer to Operation and
Maintenance Manual, "General Hazard Information and High
Pressure Fuel Lines" for safety information.
Refer to System Operation, Testing and Adjusting, "Cleanliness of
Fuel System Components" for detailed information on the standards of
cleanliness that must be observed during ALL work on the fuel system.
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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23. 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.
Dispose of all fluids according to local regulations and mandates.
1. Drain the coolant from the cooling system into a suitable container. Refer to Operation and
Maintenance Manual, "Cooling System Coolant - Change" for the correct procedure.
Illustration 1 g01336192
Typical example
2. If the engine has a left hand side oil filter, remove the oil filter base. Refer to Disassembly
and Assembly, "Oil Filter Base - Remove and Install".
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24. 3. Make temporary identification marks on plastic tube assemblies (2) in order to show the
correct position of the tube assemblies.
4. Remove plastic tube assemblies (2). Plug all plastic tube assemblies with new plugs. Cap all
open ports with new caps.
5. Follow Steps 5.a through 5.d in order to disconnect the engine wiring harness (3).
a. Disconnect engine wiring harness (3) from position sensor (1) for the fuel injection
pump.
b. Disconnect engine wiring harness (3) from the solenoid for the fuel injection pump.
c. Disconnect engine wiring harness (3) from oil pressure sensor (8).
d. Cut the cable straps that secure engine wiring harness (3) to the assembly of oil cooler
(4). Position the harness away from the assembly of the oil cooler.
6. Remove tube assembly (6) for the fuel return from the cylinder head and from transfer
pump (5). Plug the tube assembly with new plugs. Cap all open ports with new caps.
Illustration 2 g01336193
Typical example
7. If necessary, loosen bolts (7). Remove bolts (7) and remove brackets for the tube
assemblies. Remove the assembly of oil cooler (4) from the cylinder block.
Note: The bolts are different lengths. Note the position of the different bolts. Note the
location and the orientation of the brackets for the tube assemblies.
8. Remove joint (8). Refer to Illustration 3.
Disassembly Procedure (Engine Oil Cooler with a High
Mounted Filter Base)
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25. Illustration 3 g01336224
1. Remove nuts (12) from the assembly of oil cooler (6).
2. Remove cooler matrix (9) from housing (11).
3. Remove joints (10).
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26. Suggest:
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Please download this document
first, and then click the above link
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27. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 323D L EXCAVATOR NZF
Configuration: 323D L Excavator NZF00001-UP (MACHINE) POWERED BY C6.6 Engine
Disassembly and Assembly
C6.6 Engines for Caterpillar Built Machines
Media Number -KENR6081-15 Publication Date -01/03/2014 Date Updated -04/03/2014
i02786720
Engine Oil Cooler - Remove - Engine Oil Cooler with a Low
Mounted Filter Base
SMCS - 1378-011
Removal Procedure
Start By:
a. Remove the bracket for the Electronic Control Module. Refer to Disassembly and
Assembly, "ECM Mounting Bracket - Remove and Install".
NOTICE
Ensure that all adjustments and repairs that are carried out to the fuel
system are performed by authorised personnel that have the correct
training.
Before begining ANY work on the fuel system, refer to Operation and
Maintenance Manual, "General Hazard Information and High
Pressure Fuel Lines" for safety information.
Refer to System Operation, Testing and Adjusting, "Cleanliness of
Fuel System Components" for detailed information on the standards of
cleanliness that must be observed during ALL work on the fuel system.
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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28. 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.
Dispose of all fluids according to local regulations and mandates.
1. Drain the coolant from the cooling system into a suitable container. Refer to Operation and
Maintenance Manual, "Cooling System Coolant - Drain" for the correct procedure.
Illustration 1 g01417038
Typical example of an engine oil cooler with a blanking plate
2. If the engine has a left hand side oil filter, remove the oil filter base. Refer to Disassembly
and Assembly, "Oil Filter Base - Remove and Install".
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