The document provides instructions for removing and installing a fuel injection pump and turbocharger on a Caterpillar 3064 engine. The procedure includes removing fuel lines, bolts, and gears to remove the pump, and aligning marks and installing bolts and gears to reinstall it. To remove the turbocharger, hoses and lines must be disconnected and nuts removed. The turbocharger, lines, and gaskets are then disassembled by removing bolts, clamps, rings and housings.
The document provides instructions for removing and disassembling the fuel injection pump and turbocharger from a Caterpillar 3064 engine. Key steps include:
1. Removing fuel injection lines and cover to access the fuel injection pump. Scribing alignment marks before removal.
2. Using bolts and lifting equipment to remove the heavy fuel injection pump from the engine.
3. Removing hoses and bolts to detach the turbocharger, oil lines, and exhaust manifold as a single unit from the engine.
4. Placing identification marks on turbocharger components before disassembly to aid reassembly. Removing bolts to separate oil lines from the turbocharger.
Caterpillar Cat 312C L Excavator (Prefix DBN) Service Repair Manual (DBN00001...tuzhiyou2
The document provides instructions for removing and disassembling the fuel injection pump and turbocharger from a Caterpillar 3064 engine. Key steps include:
1. Removing fuel injection lines and cover to access the fuel injection pump. Scribing alignment marks before removal.
2. Removing bolts and lifting the fuel injection pump from the engine using a hoist.
3. Disassembling the turbocharger by removing hoses, lines, and nuts securing it to the exhaust manifold.
4. Placing alignment marks on turbocharger components before disassembly to aid reassembly. Removing bolts from oil lines.
1) The document provides instructions for removing and installing a fuel injection pump and turbocharger from a Caterpillar 3064 engine.
2) Key steps include removing fuel lines, bolts, and washers to access the pump and turbocharger, and installing replacement gaskets and reattaching all components in reverse order.
3) Technicians are advised to keep components clean, mark parts for alignment during reinstallation, and properly contain fluids.
Caterpillar Cat 312C L Excavator (Prefix DBN) Service Repair Manual (DBN00001...qfyc504378
1) The document provides instructions for removing and installing a fuel injection pump and turbocharger from a Caterpillar 3064 engine.
2) Key steps include removing fuel lines, bolts, and washers to access the pump and turbocharger, and installing replacement gaskets and reattaching all components in reverse order.
3) Technicians are advised to keep components clean, mark parts for alignment during reinstallation, and properly contain fluids.
The document provides instructions for removing and disassembling the fuel injection pump and turbocharger from a Caterpillar 3064 engine. Key steps include:
1. Removing fuel injection lines and cover to access the fuel injection pump. Scribing alignment marks before removal.
2. Removing bolts and lifting the fuel injection pump from the engine using a hoist.
3. Disassembling the turbocharger by removing hoses, lines, and nuts securing it to the exhaust manifold.
4. Placing alignment marks on turbocharger components before disassembly to aid reassembly. Removing bolts from oil lines.
Caterpillar Cat 312C L Excavator (Prefix DBN) Service Repair Manual (DBN00001...lituo39419496
The document provides instructions for removing and disassembling the fuel injection pump and turbocharger from a Caterpillar 3064 engine. Key steps include:
1. Removing fuel injection lines and cover to access the fuel injection pump. Scribing alignment marks before removal.
2. Using bolts and lifting equipment to remove the fuel injection pump from the engine block.
3. Removing hoses and lines connected to the turbocharger, then removing nuts to separate the turbocharger from the exhaust manifold.
4. Placing identification marks on turbocharger components before disassembly to aid reassembly. Removing bolts to separate oil supply and return lines.
Caterpillar Cat 312C and 312C L Excavator (Prefix CBA) Service Repair Manual ...fijsekkdmdm2w
This document provides instructions for removing and installing various engine components on Caterpillar 312C and 312C L excavators, including:
- Installing the crankshaft rear seal using a specific tool and applying retaining compound to mating parts.
- Removing and installing the flywheel housing which requires removing bolts and installing a new gasket.
- Removing and installing the crankshaft pulley using pullers and tightening the nut to the specified torque.
- Removing the crankshaft front seal by drilling holes and pulling it off, and installing the new seal with a specific tool.
- Removing just the idler gear which involves using pullers after draining fluids and
Caterpillar Cat 312C and 312C L Excavator (Prefix CBA) Service Repair Manual ...zan2736ban
The document provides instructions for installing a crankshaft front seal on a 312C L excavator. It describes:
1) Cleaning the crankshaft and applying retaining compound to the mating surfaces.
2) Using a installer tool to push the new seal onto the crankshaft until it bottoms out.
3) Removing the tool and checking that the seal is correctly installed.
The document provides instructions for removing and disassembling the fuel injection pump and turbocharger from a Caterpillar 3064 engine. Key steps include:
1. Removing fuel injection lines and cover to access the fuel injection pump. Scribing alignment marks before removal.
2. Using bolts and lifting equipment to remove the heavy fuel injection pump from the engine.
3. Removing hoses and bolts to detach the turbocharger, oil lines, and exhaust manifold as a single unit from the engine.
4. Placing identification marks on turbocharger components before disassembly to aid reassembly. Removing bolts to separate oil lines from the turbocharger.
Caterpillar Cat 312C L Excavator (Prefix DBN) Service Repair Manual (DBN00001...tuzhiyou2
The document provides instructions for removing and disassembling the fuel injection pump and turbocharger from a Caterpillar 3064 engine. Key steps include:
1. Removing fuel injection lines and cover to access the fuel injection pump. Scribing alignment marks before removal.
2. Removing bolts and lifting the fuel injection pump from the engine using a hoist.
3. Disassembling the turbocharger by removing hoses, lines, and nuts securing it to the exhaust manifold.
4. Placing alignment marks on turbocharger components before disassembly to aid reassembly. Removing bolts from oil lines.
1) The document provides instructions for removing and installing a fuel injection pump and turbocharger from a Caterpillar 3064 engine.
2) Key steps include removing fuel lines, bolts, and washers to access the pump and turbocharger, and installing replacement gaskets and reattaching all components in reverse order.
3) Technicians are advised to keep components clean, mark parts for alignment during reinstallation, and properly contain fluids.
Caterpillar Cat 312C L Excavator (Prefix DBN) Service Repair Manual (DBN00001...qfyc504378
1) The document provides instructions for removing and installing a fuel injection pump and turbocharger from a Caterpillar 3064 engine.
2) Key steps include removing fuel lines, bolts, and washers to access the pump and turbocharger, and installing replacement gaskets and reattaching all components in reverse order.
3) Technicians are advised to keep components clean, mark parts for alignment during reinstallation, and properly contain fluids.
The document provides instructions for removing and disassembling the fuel injection pump and turbocharger from a Caterpillar 3064 engine. Key steps include:
1. Removing fuel injection lines and cover to access the fuel injection pump. Scribing alignment marks before removal.
2. Removing bolts and lifting the fuel injection pump from the engine using a hoist.
3. Disassembling the turbocharger by removing hoses, lines, and nuts securing it to the exhaust manifold.
4. Placing alignment marks on turbocharger components before disassembly to aid reassembly. Removing bolts from oil lines.
Caterpillar Cat 312C L Excavator (Prefix DBN) Service Repair Manual (DBN00001...lituo39419496
The document provides instructions for removing and disassembling the fuel injection pump and turbocharger from a Caterpillar 3064 engine. Key steps include:
1. Removing fuel injection lines and cover to access the fuel injection pump. Scribing alignment marks before removal.
2. Using bolts and lifting equipment to remove the fuel injection pump from the engine block.
3. Removing hoses and lines connected to the turbocharger, then removing nuts to separate the turbocharger from the exhaust manifold.
4. Placing identification marks on turbocharger components before disassembly to aid reassembly. Removing bolts to separate oil supply and return lines.
Caterpillar Cat 312C and 312C L Excavator (Prefix CBA) Service Repair Manual ...fijsekkdmdm2w
This document provides instructions for removing and installing various engine components on Caterpillar 312C and 312C L excavators, including:
- Installing the crankshaft rear seal using a specific tool and applying retaining compound to mating parts.
- Removing and installing the flywheel housing which requires removing bolts and installing a new gasket.
- Removing and installing the crankshaft pulley using pullers and tightening the nut to the specified torque.
- Removing the crankshaft front seal by drilling holes and pulling it off, and installing the new seal with a specific tool.
- Removing just the idler gear which involves using pullers after draining fluids and
Caterpillar Cat 312C and 312C L Excavator (Prefix CBA) Service Repair Manual ...zan2736ban
The document provides instructions for installing a crankshaft front seal on a 312C L excavator. It describes:
1) Cleaning the crankshaft and applying retaining compound to the mating surfaces.
2) Using a installer tool to push the new seal onto the crankshaft until it bottoms out.
3) Removing the tool and checking that the seal is correctly installed.
Caterpillar Cat 323D L Excavator (Prefix GTF) Service Repair Manual (GTF00001...8ufjsekddm8u
- The document provides instructions for removing and installing inlet and exhaust valves, valve guides, and valve seat inserts on a C6.4 engine.
- It describes the required tools and gives step-by-step procedures for removal and disassembly and installation and assembly.
- Safety notices are included to handle parts and fluids properly and avoid injury when working with compressed springs.
Caterpillar Cat 323D L Excavator (Prefix YSD) Service Repair Manual (YSD00001...8ufjsekddm8u
The document provides instructions for removing and installing the flywheel housing on a Caterpillar C6.4 engine. It outlines the required tools and steps to remove the flywheel, electric starting motor, bolts securing the housing, and oil seal from the housing. It then describes how to install a new oil seal, gasket, and reattach the housing using bolts, and reinstall the flywheel and electric starting motor.
Caterpillar Cat 323D L Excavator (Prefix PBE) Service Repair Manual (PBE00001...8ufjsekddm8u
This document provides instructions for removing and installing the idler gear in the front gear group of a Caterpillar C6.4 engine. The removal procedure involves using various tools to remove the idler gear, shaft, thrust plate and washer. The installation procedure specifies cleaning parts and using a press and torque wrench to reinstall these components, checking backlash and end play tolerances. Proper alignment of timing gear marks is also emphasized.
Caterpillar Cat 323D L Excavator (Prefix NZF) Service Repair Manual (NZF00001...8ufjsekddm8u
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 and position the pistons at top dead center. Springs are removed in pairs from specific cylinders and must be replaced in the same order. Installation requires lubricating seals, compressing springs with a tool to insert retainers and keepers, and checking valve clearance after installation is complete. Safety precautions are outlined to prevent injury from released spring forces.
Caterpillar Cat 323D L Excavator (Prefix BYM) Service Repair Manual (BYM00001...8ufjsekddm8u
1) The document provides instructions for removing and installing various engine components on a Caterpillar 323D L Excavator, including valve seat inserts, the engine oil cooler, and the engine oil relief valve.
2) The procedures include a list of required tools and step-by-step instructions describing how to remove, disassemble, and assemble each component while taking appropriate safety precautions.
3) Technicians are advised to keep all parts clean and free of contaminants to prevent damage and wear.
Caterpillar Cat 323D L Excavator (Prefix NDE) Service Repair Manual (NDE00001...8ufjsekddm8u
The document provides instructions for installing the rocker shaft and pushrods on a C6.4 engine. The procedure involves installing various components like the spring, arms, bracket and washer onto the shaft assembly. Retaining rings are then installed to secure the assembly. Finally, the pushrods and rocker shaft are positioned and tightened to specified torques to complete the installation.
Caterpillar Cat 323D L Excavator (Prefix JLG) Service Repair Manual (JLG00001...8ufjsekddm8u
This service repair manual provides instructions for removing and installing valve seat inserts, removing and disassembling the engine oil cooler, and assembling the engine oil cooler for a Caterpillar C6.4 engine powering a 323D L excavator. The document lists required tools and safety notices, and includes illustrations of the removal, disassembly, and assembly procedures.
Caterpillar Cat 323D L Excavator (Prefix LFL) Service Repair Manual (LFL00001...8ufjsekddm8u
1) The document provides instructions for removing and installing the fuel injection pump on a Caterpillar C6.4 engine.
2) To remove the pump, various hoses, tubes, brackets and electrical connections must be disconnected and markings made for installation. Bolts then need to be removed to access the pump.
3) Installation involves reversing the removal process, ensuring cleanliness, replacing washers, and torquing all connections to the specified values.
Caterpillar Cat 323D L Excavator (Prefix L5Z) Service Repair Manual (L5Z00001...8ufjsekddm8u
The document provides instructions for removing and installing a flywheel housing on a Caterpillar C6.4 engine. It describes removing the electric starting motor, flywheel and ring gear before removing the flywheel housing bolts. Tools are required to lift the housing and remove the oil seal. When installing, a new gasket and oil seal are used and the housing is bolted back in place before reinstalling the flywheel and starting motor.
This document provides installation instructions for a rear power take-off (RPTO) on a 323 excavator with a C7.1 engine. It describes 20 steps to install the RPTO, including installing sleeve bearings, gears, idler hubs, adapters and bolts. Precautions are given to keep components clean and ensure proper alignment of parts. Tools required include drivers and sockets.
This document provides instructions for disassembling and assembling the travel motor of a 323D and 323D L excavator. It describes 27 steps to disassemble the travel motor by removing components like the head, brake piston, barrel assembly, and shaft assembly. It then describes 13 steps to reassemble the travel motor by installing components like the shaft assembly, cam plate, barrel assembly, and head in the reverse order of disassembly. Precautions are given to clean parts thoroughly, mark components for reinstallation, and ensure proper alignment of parts.
1) The document provides instructions for removing and installing a flywheel from a C7.1 engine that powers a 323 excavator.
2) To remove the flywheel, bolts must first be removed and guide studs installed to support the flywheel. Lifting equipment is then used to lift the flywheel off while inspecting components for wear or damage.
3) Flywheel installation requires cleaning and lifting the flywheel into place using guide studs. Bolts are tightened to the specified torque and the flywheel is inspected for proper runout.
This document provides disassembly instructions for the final drive, travel motor, and counterbalance valve of a 313D2 excavator. It lists the required tools and parts and outlines 15 steps to disassemble the final drive, 13 steps to disassemble the travel motor, and 16 steps to disassemble the counterbalance valve. Safety notices are included regarding releasing pressures and springs.
This document provides instructions for removing and installing a flywheel housing on a Caterpillar C4.2 engine. It outlines the required tools and steps to remove the flywheel, electric starting motor, and housing bolts. Instructions are given to lift the housing off the engine block using a link bracket and driver group. Reinstallation involves reversing the removal process and tightening the housing bolts to the specified torque.
This document provides instructions for removing and installing a flywheel housing on a Caterpillar C4.2 engine. It outlines the required tools and steps to remove the flywheel, electric starting motor, and housing bolts. Instructions are given to lift the housing off the engine block using a link bracket and driver group. Reinstallation involves reversing the removal process and tightening the housing bolts to the specified torque.
The document provides instructions for removing and installing various engine components on a Caterpillar C4.2 engine, including:
- Removing and installing the flywheel housing, which requires removing bolts and installing a new gasket.
- Removing the crankshaft pulley using pullers and removing the wear sleeve if needed. Installation requires heating the sleeve and tightening a nut.
- Removing the crankshaft front seal by drilling holes and pulling it out, being careful not to damage the crankshaft. Installation uses a installer tool and applying oil.
The document provides instructions for removing and installing various engine components on a Caterpillar 314D CR excavator, including:
1) Removing the idler gear from the front gear group by removing the bolt and washer securing it to the idler shaft and pulling it off using a puller tool.
2) Instructions specify ensuring timing marks are aligned before removal to maintain proper timing of gears.
3) Detailed steps and illustrations guide removal of additional components like the flywheel housing, crankshaft pulley, and crankshaft front seal. Tools and safety precautions are also listed.
Caterpillar Cat 313F L Excavator (Prefix NLG) Service Repair Manual (NLG00001...8ufjsekddm8u
This document provides instructions for removing the front housing on a C4.4 engine. The steps include:
1. Removing other components like the fan, crankshaft pulley, oil pan, accessory drive, water pump and timing gears.
2. Disconnecting wiring, cutting cable straps and removing bolts to separate the bypass tube from the housing and cylinder head.
3. Removing bolts of different lengths to detach the front housing from the cylinder block, and removing the gasket and thrust washer.
This document provides instructions for removing the front housing on a C4.4 engine. The steps include:
1. Removing other components like the fan, crankshaft pulley, oil pan, accessory drive, water pump and timing gears.
2. Disconnecting wiring, cutting cable straps and removing bolts to separate the bypass tube from the housing and cylinder head.
3. Removing bolts of different lengths to detach the front housing from the cylinder block, and removing the gasket and thrust washer.
Caterpillar Cat 312D2 L Excavator (Prefix GWN) Service Repair Manual (GWN0000...8ufjsekddm8u
This document provides instructions for disassembling components of an excavator including the final drive, travel motor, counterbalance valve, and barrel assembly. It lists required tools and outlines 16 steps to disassemble parts like the traction control valve, bearing, relief valve assemblies, piston assemblies, springs, and seals. Safety notices are included to warn of potential injuries from parts propelled by springs or pressurized hydraulic fluid.
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Caterpillar Cat 323D L Excavator (Prefix GTF) Service Repair Manual (GTF00001...8ufjsekddm8u
- The document provides instructions for removing and installing inlet and exhaust valves, valve guides, and valve seat inserts on a C6.4 engine.
- It describes the required tools and gives step-by-step procedures for removal and disassembly and installation and assembly.
- Safety notices are included to handle parts and fluids properly and avoid injury when working with compressed springs.
Caterpillar Cat 323D L Excavator (Prefix YSD) Service Repair Manual (YSD00001...8ufjsekddm8u
The document provides instructions for removing and installing the flywheel housing on a Caterpillar C6.4 engine. It outlines the required tools and steps to remove the flywheel, electric starting motor, bolts securing the housing, and oil seal from the housing. It then describes how to install a new oil seal, gasket, and reattach the housing using bolts, and reinstall the flywheel and electric starting motor.
Caterpillar Cat 323D L Excavator (Prefix PBE) Service Repair Manual (PBE00001...8ufjsekddm8u
This document provides instructions for removing and installing the idler gear in the front gear group of a Caterpillar C6.4 engine. The removal procedure involves using various tools to remove the idler gear, shaft, thrust plate and washer. The installation procedure specifies cleaning parts and using a press and torque wrench to reinstall these components, checking backlash and end play tolerances. Proper alignment of timing gear marks is also emphasized.
Caterpillar Cat 323D L Excavator (Prefix NZF) Service Repair Manual (NZF00001...8ufjsekddm8u
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 and position the pistons at top dead center. Springs are removed in pairs from specific cylinders and must be replaced in the same order. Installation requires lubricating seals, compressing springs with a tool to insert retainers and keepers, and checking valve clearance after installation is complete. Safety precautions are outlined to prevent injury from released spring forces.
Caterpillar Cat 323D L Excavator (Prefix BYM) Service Repair Manual (BYM00001...8ufjsekddm8u
1) The document provides instructions for removing and installing various engine components on a Caterpillar 323D L Excavator, including valve seat inserts, the engine oil cooler, and the engine oil relief valve.
2) The procedures include a list of required tools and step-by-step instructions describing how to remove, disassemble, and assemble each component while taking appropriate safety precautions.
3) Technicians are advised to keep all parts clean and free of contaminants to prevent damage and wear.
Caterpillar Cat 323D L Excavator (Prefix NDE) Service Repair Manual (NDE00001...8ufjsekddm8u
The document provides instructions for installing the rocker shaft and pushrods on a C6.4 engine. The procedure involves installing various components like the spring, arms, bracket and washer onto the shaft assembly. Retaining rings are then installed to secure the assembly. Finally, the pushrods and rocker shaft are positioned and tightened to specified torques to complete the installation.
Caterpillar Cat 323D L Excavator (Prefix JLG) Service Repair Manual (JLG00001...8ufjsekddm8u
This service repair manual provides instructions for removing and installing valve seat inserts, removing and disassembling the engine oil cooler, and assembling the engine oil cooler for a Caterpillar C6.4 engine powering a 323D L excavator. The document lists required tools and safety notices, and includes illustrations of the removal, disassembly, and assembly procedures.
Caterpillar Cat 323D L Excavator (Prefix LFL) Service Repair Manual (LFL00001...8ufjsekddm8u
1) The document provides instructions for removing and installing the fuel injection pump on a Caterpillar C6.4 engine.
2) To remove the pump, various hoses, tubes, brackets and electrical connections must be disconnected and markings made for installation. Bolts then need to be removed to access the pump.
3) Installation involves reversing the removal process, ensuring cleanliness, replacing washers, and torquing all connections to the specified values.
Caterpillar Cat 323D L Excavator (Prefix L5Z) Service Repair Manual (L5Z00001...8ufjsekddm8u
The document provides instructions for removing and installing a flywheel housing on a Caterpillar C6.4 engine. It describes removing the electric starting motor, flywheel and ring gear before removing the flywheel housing bolts. Tools are required to lift the housing and remove the oil seal. When installing, a new gasket and oil seal are used and the housing is bolted back in place before reinstalling the flywheel and starting motor.
This document provides installation instructions for a rear power take-off (RPTO) on a 323 excavator with a C7.1 engine. It describes 20 steps to install the RPTO, including installing sleeve bearings, gears, idler hubs, adapters and bolts. Precautions are given to keep components clean and ensure proper alignment of parts. Tools required include drivers and sockets.
This document provides instructions for disassembling and assembling the travel motor of a 323D and 323D L excavator. It describes 27 steps to disassemble the travel motor by removing components like the head, brake piston, barrel assembly, and shaft assembly. It then describes 13 steps to reassemble the travel motor by installing components like the shaft assembly, cam plate, barrel assembly, and head in the reverse order of disassembly. Precautions are given to clean parts thoroughly, mark components for reinstallation, and ensure proper alignment of parts.
1) The document provides instructions for removing and installing a flywheel from a C7.1 engine that powers a 323 excavator.
2) To remove the flywheel, bolts must first be removed and guide studs installed to support the flywheel. Lifting equipment is then used to lift the flywheel off while inspecting components for wear or damage.
3) Flywheel installation requires cleaning and lifting the flywheel into place using guide studs. Bolts are tightened to the specified torque and the flywheel is inspected for proper runout.
This document provides disassembly instructions for the final drive, travel motor, and counterbalance valve of a 313D2 excavator. It lists the required tools and parts and outlines 15 steps to disassemble the final drive, 13 steps to disassemble the travel motor, and 16 steps to disassemble the counterbalance valve. Safety notices are included regarding releasing pressures and springs.
This document provides instructions for removing and installing a flywheel housing on a Caterpillar C4.2 engine. It outlines the required tools and steps to remove the flywheel, electric starting motor, and housing bolts. Instructions are given to lift the housing off the engine block using a link bracket and driver group. Reinstallation involves reversing the removal process and tightening the housing bolts to the specified torque.
This document provides instructions for removing and installing a flywheel housing on a Caterpillar C4.2 engine. It outlines the required tools and steps to remove the flywheel, electric starting motor, and housing bolts. Instructions are given to lift the housing off the engine block using a link bracket and driver group. Reinstallation involves reversing the removal process and tightening the housing bolts to the specified torque.
The document provides instructions for removing and installing various engine components on a Caterpillar C4.2 engine, including:
- Removing and installing the flywheel housing, which requires removing bolts and installing a new gasket.
- Removing the crankshaft pulley using pullers and removing the wear sleeve if needed. Installation requires heating the sleeve and tightening a nut.
- Removing the crankshaft front seal by drilling holes and pulling it out, being careful not to damage the crankshaft. Installation uses a installer tool and applying oil.
The document provides instructions for removing and installing various engine components on a Caterpillar 314D CR excavator, including:
1) Removing the idler gear from the front gear group by removing the bolt and washer securing it to the idler shaft and pulling it off using a puller tool.
2) Instructions specify ensuring timing marks are aligned before removal to maintain proper timing of gears.
3) Detailed steps and illustrations guide removal of additional components like the flywheel housing, crankshaft pulley, and crankshaft front seal. Tools and safety precautions are also listed.
Caterpillar Cat 313F L Excavator (Prefix NLG) Service Repair Manual (NLG00001...8ufjsekddm8u
This document provides instructions for removing the front housing on a C4.4 engine. The steps include:
1. Removing other components like the fan, crankshaft pulley, oil pan, accessory drive, water pump and timing gears.
2. Disconnecting wiring, cutting cable straps and removing bolts to separate the bypass tube from the housing and cylinder head.
3. Removing bolts of different lengths to detach the front housing from the cylinder block, and removing the gasket and thrust washer.
This document provides instructions for removing the front housing on a C4.4 engine. The steps include:
1. Removing other components like the fan, crankshaft pulley, oil pan, accessory drive, water pump and timing gears.
2. Disconnecting wiring, cutting cable straps and removing bolts to separate the bypass tube from the housing and cylinder head.
3. Removing bolts of different lengths to detach the front housing from the cylinder block, and removing the gasket and thrust washer.
Caterpillar Cat 312D2 L Excavator (Prefix GWN) Service Repair Manual (GWN0000...8ufjsekddm8u
This document provides instructions for disassembling components of an excavator including the final drive, travel motor, counterbalance valve, and barrel assembly. It lists required tools and outlines 16 steps to disassemble parts like the traction control valve, bearing, relief valve assemblies, piston assemblies, springs, and seals. Safety notices are included to warn of potential injuries from parts propelled by springs or pressurized hydraulic fluid.
Ever been troubled by the blinking sign and didn’t know what to do?
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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: EXCAVATOR
Model: 312C EXCAVATOR DBN
Configuration: 312C & 312C L Excavators DBN00001-UP (MACHINE) POWERED BY 3064 Engine
Disassembly and Assembly
3064 and 3066 Engines for Caterpillar Built Machines
Media Number -SENR5553-10 Publication Date -01/05/2012 Date Updated -15/05/2012
i01565175
Fuel Injection Pump - Remove
SMCS - 1251-011
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 9U-6124 Universal Metric Socket Set 1
B 9U-6128 Universal Metric Socket (1)
1
( 1 )
Part of the Universal Metric Socket Set
Start By:
A. Remove the fuel injection lines. Refer to Disassembly and Assembly, "Fuel Injection Lines
- Remove and Install".
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
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3. 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.
1. Ensure that the engine is the top center position on number one piston. Refer to Testing and
Adjusting, "Finding Center Position for No. 1 Piston".
Illustration 1 g00813442
2. Remove bolts (1) and washers that secure the cover (2) to the engine front housing.
3. Remove the access cover. Note the timing marks on the fuel injection pump drive gear and
the idler gear for later installation.
Illustration 2 g00813430
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4. 4. Scribe a line across the front plate (3) and the mounting flange for the fuel injection pump
(4). This ensures proper alignment for the installation of fuel injection pump (8) .
5. Loosen fitting (5) for oil line (6) .
6. Remove oil line (6) from nipple (7) (not shown).
Note: Put caps or plugs on all openings immediately in order to prevent contamination.
7. Use a lifting sling and a hoist in order to secure the fuel injection pump. The weight of the
fuel injection pump is 13 kg (29 lb).
Note: Use Tool (B) to remove the bolts and the washers that mount the fuel injection pump
(8) .
8. Remove bolt (9) and the washer from the cylinder block.
9. Remove four bolts (10) and the washers that secure the fuel injection pump to the front
housing.
Illustration 3 g00813593
10. Remove the fuel injection pump (8). The gear and the mounting flange will remain with the
fuel injection pump.
Note: The fuel injection pump must be mounted to the engine in order to loosen the nut for
the drive gear.
Note: Do not rotate the engine after the fuel injection pump is removed.
11. Ensure that the old gasket material is removed from all mating surfaces of the pump
mounting flange and the face of the fuel injection pump flange.
Copyright 1993 - 2020 Caterpillar Inc.
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5. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 312C EXCAVATOR DBN
Configuration: 312C & 312C L Excavators DBN00001-UP (MACHINE) POWERED BY 3064 Engine
Disassembly and Assembly
3064 and 3066 Engines for Caterpillar Built Machines
Media Number -SENR5553-10 Publication Date -01/05/2012 Date Updated -15/05/2012
i01565619
Fuel Injection Pump - Install
SMCS - 1251-012
Installation Procedure
Table 1
Required Tools
Tool Part number Part Description Qty
A 9U-6124 Universal Metric Socket Set 1
B 9U-6128 Universal Metric Socket (1)
1
( 1 )
Part of the Universal Metric Socket Set
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Note: If the nut for the fuel injection pump drive gear is removed, you must tighten the nut
for the fuel injection pump drive gear to 88 ± 5 N·m (65 ± 4 lb ft).
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6. Illustration 1 g00813430
1. Use a lifting sling and a hoist in order to secure the fuel injection pump (8). The weight of
the fuel injection pump is 13 kg (29 lb).
2. Install a new gasket and install fuel injection pump (8) .
3. Ensure that the engine is in the top center position on No. 1 piston. Refer to Testing and
Adjusting, "Finding Top Center Position for No. 1 Piston".
4. Ensure that the mark on the front plate (3) and the mark on the fuel injection pump flange
(4) are aligned.
Refer to Testing and Adjusting, "Fuel Injection Timing-Check" for more information on
fuel injection pump timing.
Note: Use Tool (B) to install the bolts and washers that secure the fuel injection pump to the
cylinder block.
5. Install the washers and bolts (9) that secure the fuel injection pump to the engine cylinder
block.
6. Remove the sling from the fuel injection pump.
7. Connect oil line (6) to nipple (7) (not shown).
8. Tighten fitting (5) for oil line (6) .
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
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7. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 312C EXCAVATOR DBN
Configuration: 312C & 312C L Excavators DBN00001-UP (MACHINE) POWERED BY 3064 Engine
Disassembly and Assembly
3064 and 3066 Engines for Caterpillar Built Machines
Media Number -SENR5553-10 Publication Date -01/05/2012 Date Updated -15/05/2012
i01564499
Turbocharger - Remove
SMCS - 1052-011
Removal Procedure
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.
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.
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8. Illustration 1 g00608136
1. Loosen the hose clamp (1) on hose (2) .
2. Remove hose (2) from the turbocharger (3) .
Illustration 2 g00812846
3. Disconnect oil supply line (4) from the cylinder block.
4. Loosen two clamps (5) on hose (7) .
5. Slide hose (7) off fitting (8) onto oil return line (6) .
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9. Illustration 3 g00608177
6. Remove eight nuts (9) from the studs on the exhaust manifold.
Note: The four studs have two nuts for a total of eight nuts.
7. Remove turbocharger (3), oil supply line (4), and oil return line (6) as an unit.
8. Remove metal gasket (10) (not shown). Check the gasket for wear or damage. Replace the
gasket, if necessary.
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
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10. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 312C EXCAVATOR DBN
Configuration: 312C & 312C L Excavators DBN00001-UP (MACHINE) POWERED BY 3064 Engine
Disassembly and Assembly
3064 and 3066 Engines for Caterpillar Built Machines
Media Number -SENR5553-10 Publication Date -01/05/2012 Date Updated -15/05/2012
i01615171
Turbocharger - Disassemble
SMCS - 1052-015
Disassembly Procedure
Start By:
A. Remove the turbocharger. Refer to Disassembly and Assembly, "Turbocharger - Remove".
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.
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.
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11. 1. Place an index mark on all of the components. The marks will help to align the components
during the assembly procedure.
Illustration 1 g00608212
2. Remove two bolts (1) from the oil return line. Remove bolt (2) from the oil supply line.
3. Remove oil return line (3) from the cartridge.
4. Remove oil supply line (4) from the cartridge.
Illustration 2 g00608210
5. Remove gasket (5) from the cartridge.
6. Remove gasket (6) from the turbine housing.
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12. Illustration 3 g00608342
7. Remove the bolt and nut (7) from clamp (8). Remove clamp (8) that secures the turbine
housing (9) to the cartridge (10) .
8. Separate turbine housing (9) from the cartridge (10) .
Illustration 4 g00608415
Illustration 5 g00608452
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13. 9. Remove snap ring (11) from compressor housing (12) .
10. Separate compressor housing (12) from the cartridge (10) .
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
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14. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 312C EXCAVATOR DBN
Configuration: 312C & 312C L Excavators DBN00001-UP (MACHINE) POWERED BY 3064 Engine
Disassembly and Assembly
3064 and 3066 Engines for Caterpillar Built Machines
Media Number -SENR5553-10 Publication Date -01/05/2012 Date Updated -15/05/2012
i01147762
Turbocharger - Assemble
SMCS - 1052-016
Assembly Procedure
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Note: During the assembly procedure, ensure that the index marks are aligned when the
components are assembled.
Illustration 1 g00608452
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15. Illustration 2 g00608415
1. Install cartridge (10) into compressor housing (12) .
2. Install snap ring (11) into compressor housing (12) .
Illustration 3 g00608342
3. Install cartridge (10) into turbine housing (9) .
4. Install clamp (8) that secures cartridge (10) and turbine housing (9) together. Install the bolt
and nut (7) into clamp (8).
Note: Refer to the Specifications Module, "Turbocharger" for information on the clamp.
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16. Illustration 4 g00608210
5. Inspect the condition of the gaskets. Replace the gaskets, if necessary.
6. Install gasket (6) on the turbine housing.
7. Install gasket (5) on the cartridge.
Illustration 5 g00608212
8. Place oil supply line (4) in position. Secure the oil supply line with bolt (2) (not shown).
9. Place oil return line (3) in position. Secure the oil return line with two bolts (1) .
End By: Install the turbocharger. Refer to Disassembly and Assembly, "Turbocharger - Install".
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
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17. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 312C EXCAVATOR DBN
Configuration: 312C & 312C L Excavators DBN00001-UP (MACHINE) POWERED BY 3064 Engine
Disassembly and Assembly
3064 and 3066 Engines for Caterpillar Built Machines
Media Number -SENR5553-10 Publication Date -01/05/2012 Date Updated -15/05/2012
i01564587
Turbocharger - Install
SMCS - 1052-012
Installation Procedure
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
1. Inspect the condition of all gaskets. Replace the gaskets, if necessary.
Illustration 1 g00608177
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18. 2. Install metal gasket (10) (not shown). Install turbocharger (3), oil supply line (4) and oil
return line (6) (not shown) as a unit.
3. Install eight nuts (9). Tighten the nuts to a torque of 41 N·m (30 lb ft).
Note: Two nuts are installed on each turbocharger mounting stud.
Illustration 2 g00812846
4. Slide hose (7) down the oil return line (6) onto fitting (8) .
5. Tighten two clamps (5) on hose (7) .
6. Connect oil supply line (4) to the cylinder block.
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
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19. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 312C EXCAVATOR DBN
Configuration: 312C & 312C L Excavators DBN00001-UP (MACHINE) POWERED BY 3064 Engine
Disassembly and Assembly
3064 and 3066 Engines for Caterpillar Built Machines
Media Number -SENR5553-10 Publication Date -01/05/2012 Date Updated -15/05/2012
i01565722
Exhaust Manifold - Remove and Install
SMCS - 1059-010
Removal Procedure
Start By:
A. Remove the turbocharger. Refer to Disassembly and Assembly, "Turbocharger - Remove".
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00605454
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20. 1. Remove the nuts (1) and washers that secure the exhaust manifold to the cylinder head
assembly. The 3066 Engine has twelve nuts and washers while the 3064 Engine has eight
nuts and washers.
2. Remove exhaust manifold (2) from the cylinder head assembly.
3. Remove exhaust manifold gasket (3) that is located between exhaust manifold (2) and the
cylinder head assembly.
Note: The 3066 Engine has two exhaust manifold gaskets, while the 3064 Engine has one
exhaust manifold gasket.
Installation Procedure
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Illustration 2 g00605454
1. Install exhaust manifold gasket (3) between exhaust manifold (2) and the cylinder head
assembly.
Note: The 3066 Engine has two exhaust manifold gaskets, while the 3064 Engine has one
exhaust manifold gasket.
2. Place exhaust manifold (2) in position on the cylinder head.
3. Install the nuts (1) and the washers that secure the exhaust manifold to the cylinder head
assembly. The 3066 Engine has twelve nuts and washers while the 3064 Engine has eight
nuts and washers.
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21. 4. Tighten exhaust manifold nuts (1) to a torque of 18 ± 4 N·m (13 ± 3 lb ft).
End By: Install the turbocharger. Refer to Disassembly and Assembly, "Turbocharger - Install".
Copyright 1993 - 2020 Caterpillar Inc.
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22. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 312C EXCAVATOR DBN
Configuration: 312C & 312C L Excavators DBN00001-UP (MACHINE) POWERED BY 3064 Engine
Disassembly and Assembly
3064 and 3066 Engines for Caterpillar Built Machines
Media Number -SENR5553-10 Publication Date -01/05/2012 Date Updated -15/05/2012
i01615211
Air Inlet Heater - Remove and Install
SMCS - 1090-010
Removal Procedure
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00611147
1. Loosen hose clamp (1) that secures air inlet hose (2) to air inlet elbow (4) .
2. Disconnect air inlet hose (2) from air inlet elbow (4) .
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23. Thank you very much for
your reading. Please Click
Here. Then Get COMPLETE
MANUAL. NO WAITING
NOTE:
If there is no response to
click on the link above,
please download the PDF
document first and then
click on it.
24. 3. Remove four bolts (3) and washers that secure the following items to the air inlet manifold:
air inlet elbow (4), gasket (5), air inlet heater (6) and gasket (7) .
Illustration 2 g00611165
4. Remove the following items from the air inlet manifold: air inlet elbow (4), gasket (5), air
inlet heater (6) and gasket (7) .
Note: Check the condition of the gaskets that are used between the elbow and the air inlet
heater. Check the gaskets between the air inlet heater and the air inlet manifold. If the
gaskets are damaged in any way, replace the gaskets.
Installation Procedure
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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25. Illustration 3 g00611165
Note: Check condition of the gaskets for the air inlet elbow and the air inlet heater. If the
gaskets are damaged, use a new part for replacement. The wire mesh gasket (7) is installed
between the air inlet manifold and the air inlet heater.
1. Place the following items in position on the air inlet manifold: gasket (7), the air inlet heater
(6), gasket (5) and the air inlet elbow (4) .
Illustration 4 g00611147
2. Install four bolts (3) that secure the following items to the air inlet manifold: gasket (7), the
air inlet heater (6), gasket (5) and the air inlet elbow (4)
Tighten bolts (3) to a torque of 28 ± 7 N·m (21 ± 5 lb ft).
3. Connect air inlet hose (2) to air inlet elbow (4) .
4. Tighten hose clamp (1) that secures the air inlet hose to the air inlet elbow.
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26. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 312C EXCAVATOR DBN
Configuration: 312C & 312C L Excavators DBN00001-UP (MACHINE) POWERED BY 3064 Engine
Disassembly and Assembly
3064 and 3066 Engines for Caterpillar Built Machines
Media Number -SENR5553-10 Publication Date -01/05/2012 Date Updated -15/05/2012
i01575215
Inlet Manifold - Remove
SMCS - 1058-011
Removal Procedure
Start By:
A. Remove fuel filter base. Refer to Disassembly and Assembly, "Fuel Filter Base - Remove
and Install".
B. Remove fuel injection lines. Refer to Disassembly and Assembly, "Fuel Injection Lines -
Remove and Install".
C. Remove the air inlet heater. Refer to Disassembly and Assembly, "Air Inlet Heater -
Remove and Install".
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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