This document provides removal and installation instructions for the exhaust elbow and inlet/exhaust valves on a Caterpillar 420F backhoe loader with a C4.4 engine. The procedures describe removing bolts to remove the exhaust elbow and support bracket, cleaning and positioning the parts for installation, and tightening bolts to specifications. Valve spring removal and installation involves using tools to compress the springs, remove/install keepers, and rotate the crankshaft to position pistons while removing/installing parts in the correct order. Safety notices are included throughout regarding cleaning parts, wearing protective equipment when working with springs, and ensuring proper assembly.
Caterpillar cat 420 f backhoe loader (prefix lkh) service repair manual (lkh0...fjsjekkdmme
This document provides instructions for removing and installing an exhaust elbow on a 420F Backhoe Loader with a C4.4 engine. It describes removing 4 bolts and the elbow, then 5 bolts and a support bracket. For installation, it instructs to clean and position the support bracket and elbow, then install the bolts and tighten to 44 N·m. It also provides procedures for removing and installing inlet and exhaust valve springs, including using special tools to compress the springs at specific piston positions.
Caterpillar cat 420 f backhoe loader (prefix lkh) service repair manual (lkh0...fujskeksmemqa
This document provides instructions for removing and installing an exhaust elbow and inlet/exhaust valves on a Caterpillar 420F backhoe loader with a C4.4 engine. It outlines the required tools and safety notices, removal procedure with illustrations, and installation procedure. The procedures describe using turning tools to position pistons, a valve spring compressor to remove/install springs, and ensuring correct installation of keepers and seals.
Caterpillar cat 420 f backhoe loader (prefix lkh) service repair manual (lkh0...ufujjdjkskemme
This document provides instructions for removing and installing an exhaust elbow and inlet/exhaust valves on a Caterpillar 420F backhoe loader with a C4.4 engine. It outlines the required tools and safety notices, removal procedure with illustrations, and installation procedure. The procedures describe using turning tools to position pistons, a valve spring compressor to remove/install springs, and ensuring correct orientation and torque specifications for reinstallation.
This document provides instructions for removing and installing an exhaust elbow on a 420F Backhoe Loader with a C4.4 engine. The removal procedure involves removing 4 bolts and the exhaust elbow, then removing 5 bolts and a support bracket. For installation, the support bracket is reinstalled with 5 bolts tightened to 44 N·m, then the exhaust elbow is positioned and secured with 4 bolts also tightened to 44 N·m. Precautions are provided to ensure correct orientation and cleaning of parts.
This document provides instructions for removing and installing an exhaust elbow on a Caterpillar 420F backhoe loader. The removal procedure involves removing four bolts to detach the elbow and five bolts to remove the support bracket. For installation, the support bracket is reattached with five bolts and the elbow is positioned correctly and secured with four bolts. Torque specifications for all bolts are provided.
This document provides instructions for removing and installing an exhaust elbow on a Caterpillar 420F backhoe loader. The removal procedure involves removing four bolts to detach the elbow and five bolts to remove the support bracket. For installation, the support bracket is reattached with five bolts and the elbow is positioned correctly and secured with four bolts. Torque specifications for all bolts are provided.
Caterpillar cat 432 f backhoe loader (prefix sej) service repair manual (sej0...fjskefksemer
This document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar 432F backhoe loader engine. The procedure involves using special tools to compress the valve springs, remove the keepers, and access the valves. Springs must be replaced in pairs and steps taken to ensure the piston is at top-center before removing springs. Cleaning and inspecting components is also described prior to reinstallation. The document contains illustrations and notices about safety and preventing contamination.
Caterpillar cat 432 f backhoe loader (prefix sej) service repair manual (sej0...udfjsjkkksme
This document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar 432F backhoe loader engine. The procedure involves using special tools to compress the valve springs, remove the keepers, and safely manipulate the valves and pistons. Proper cleaning and inspection of parts is emphasized. The installation process is essentially the reverse of removal, taking care to properly seat the valve keepers and avoid injury from the compressed springs.
Caterpillar cat 420 f backhoe loader (prefix lkh) service repair manual (lkh0...fjsjekkdmme
This document provides instructions for removing and installing an exhaust elbow on a 420F Backhoe Loader with a C4.4 engine. It describes removing 4 bolts and the elbow, then 5 bolts and a support bracket. For installation, it instructs to clean and position the support bracket and elbow, then install the bolts and tighten to 44 N·m. It also provides procedures for removing and installing inlet and exhaust valve springs, including using special tools to compress the springs at specific piston positions.
Caterpillar cat 420 f backhoe loader (prefix lkh) service repair manual (lkh0...fujskeksmemqa
This document provides instructions for removing and installing an exhaust elbow and inlet/exhaust valves on a Caterpillar 420F backhoe loader with a C4.4 engine. It outlines the required tools and safety notices, removal procedure with illustrations, and installation procedure. The procedures describe using turning tools to position pistons, a valve spring compressor to remove/install springs, and ensuring correct installation of keepers and seals.
Caterpillar cat 420 f backhoe loader (prefix lkh) service repair manual (lkh0...ufujjdjkskemme
This document provides instructions for removing and installing an exhaust elbow and inlet/exhaust valves on a Caterpillar 420F backhoe loader with a C4.4 engine. It outlines the required tools and safety notices, removal procedure with illustrations, and installation procedure. The procedures describe using turning tools to position pistons, a valve spring compressor to remove/install springs, and ensuring correct orientation and torque specifications for reinstallation.
This document provides instructions for removing and installing an exhaust elbow on a 420F Backhoe Loader with a C4.4 engine. The removal procedure involves removing 4 bolts and the exhaust elbow, then removing 5 bolts and a support bracket. For installation, the support bracket is reinstalled with 5 bolts tightened to 44 N·m, then the exhaust elbow is positioned and secured with 4 bolts also tightened to 44 N·m. Precautions are provided to ensure correct orientation and cleaning of parts.
This document provides instructions for removing and installing an exhaust elbow on a Caterpillar 420F backhoe loader. The removal procedure involves removing four bolts to detach the elbow and five bolts to remove the support bracket. For installation, the support bracket is reattached with five bolts and the elbow is positioned correctly and secured with four bolts. Torque specifications for all bolts are provided.
This document provides instructions for removing and installing an exhaust elbow on a Caterpillar 420F backhoe loader. The removal procedure involves removing four bolts to detach the elbow and five bolts to remove the support bracket. For installation, the support bracket is reattached with five bolts and the elbow is positioned correctly and secured with four bolts. Torque specifications for all bolts are provided.
Caterpillar cat 432 f backhoe loader (prefix sej) service repair manual (sej0...fjskefksemer
This document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar 432F backhoe loader engine. The procedure involves using special tools to compress the valve springs, remove the keepers, and access the valves. Springs must be replaced in pairs and steps taken to ensure the piston is at top-center before removing springs. Cleaning and inspecting components is also described prior to reinstallation. The document contains illustrations and notices about safety and preventing contamination.
Caterpillar cat 432 f backhoe loader (prefix sej) service repair manual (sej0...udfjsjkkksme
This document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar 432F backhoe loader engine. The procedure involves using special tools to compress the valve springs, remove the keepers, and safely manipulate the valves and pistons. Proper cleaning and inspection of parts is emphasized. The installation process is essentially the reverse of removal, taking care to properly seat the valve keepers and avoid injury from the compressed springs.
Caterpillar cat 432 f backhoe loader (prefix sej) service repair manual (sej0...ujfdjjskkemme
This document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar 432F backhoe loader engine. The procedure involves using special tools to compress the valve springs, remove the keepers, and safely manipulate the valves and pistons. Proper cleaning and inspection of parts is emphasized. The installation process is essentially the reverse of removal, taking care to properly seat the valve keepers and avoid injury from the compressed springs.
Caterpillar cat 432 f backhoe loader (prefix sej) service repair manual (sej0...fujsefkksemm
This document provides instructions for removing and installing inlet and exhaust valve springs on a 432F BACKHOE LOADER model with a C4.4 engine. The procedure involves using special tools to compress the valve springs, rotate the crankshaft to position the piston, and remove/install the valve spring retainers and springs. Proper cleaning and inspection of parts is emphasized to prevent contaminants from causing premature wear.
Caterpillar cat 311 d lrr excavator (prefix lka) service repair manual (lka00...dkdmidkkdk
This document provides instructions for removing and installing inlet and exhaust valves on a C4.2 engine. It describes:
1) Required tools for the job including a valve spring compressor and cylinder head repair stand.
2) Removal procedures which include identifying valves, compressing springs, and removing keepers, springs, and seals.
3) Installation procedures which include cleaning components, installing new seals, springs, keepers, and inspecting parts.
Safety notices are provided regarding keeping parts clean, wearing protective equipment when working with springs, and ensuring the spring is compressed squarely during removal and installation.
Caterpillar cat 311 d lrr excavator (prefix lka) service repair manual (lka00...fjjskekmsemm
This document provides instructions for removing and installing inlet and exhaust valves on a C4.2 engine. It describes the necessary tools and safety precautions. The removal process involves removing the cylinder head, identifying the valves, compressing the valve springs, and removing the keepers, springs, and valves. Installation is the reverse of removal, including cleaning components, installing new stem seals, springs, keepers, and positioning the cylinder head on a repair stand. Personal protective equipment is recommended due to the risk of injury from parts propelled by released spring forces.
Caterpillar cat 311 d lrr excavator (prefix lka) service repair manual (lka00...fjjsekkdmme
This document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar C4.2 engine. It describes the required tools and gives step-by-step procedures for removing valve springs safely while ensuring the piston is at top-dead-center. Proper installation of new valve springs and related components is also outlined. Safety notices are included to prevent injury from parts propelled by spring forces.
Caterpillar cat 311 d lrr excavator (prefix lka) service repair manual (lka00...fjsekdmmeed
This document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar C4.2 engine. It describes the required tools and gives step-by-step procedures for removing valve springs safely while ensuring the piston is at top dead center. Proper cleaning and inspection of parts is emphasized. The installation procedure describes compressing the springs, installing new seals, and ensuring correct valve depths are achieved. Safety notices warn of potential injury from compressed springs and ensure springs are replaced in pairs for each cylinder.
Caterpillar Cat 336F L and 336F LN Excavator (Prefix ZBJ) Service Repair Manu...yin9niaojiao
This document provides instructions for disassembling and assembling a travel motor and final drive for Caterpillar 336F L and 336F LN excavators. It lists required tools and parts and includes diagrams illustrating the 27 steps to assemble the travel motor. These include installing seals, springs, plates, and fasteners in the proper sequence and orientation. The instructions also describe removing the final drive and travel motor as a unit and then separating the individual components.
Caterpillar Cat 336F L and 336F LN Excavator (Prefix WTZ) Service Repair Manu...yin9niaojiao
This document provides the disassembly and assembly procedures for a 336F excavator travel motor. The disassembly procedure involves 30 steps to remove all components of the travel motor. The assembly procedure reverses the disassembly process in 27 steps and provides notes on proper installation of springs, seals, and ensuring alignment of keys and notches. Tools required include a transmission repair stand, lifting eyes, bolts, drivers and pullers. Personal protective equipment is recommended when working with springs.
Caterpillar Cat 336F L and 336F LN Excavator (Prefix KFT) Service Repair Manu...yin9niaojiao
The document provides instructions for disassembling a 336F excavator travel motor. It describes 27 steps to remove components such as the motor head, springs, seals, relief valves, plugs and ball bearings. Tools include a transmission repair stand, lifting eye assembly, driver group and retaining ring pliers. Safety precautions are provided to release spring forces and contain fluids during disassembly.
Caterpillar Cat 336E LH and 336E LNH Excavator (Prefix GNY) Service Repair Ma...yin9niaojiao
The document provides instructions for removing and installing a travel motor on an excavator. It is a 28-step procedure that includes draining oil, removing hoses and fittings, using lifting devices to remove the final drive and travel motor assembly, and reinstalling the components in reverse order. Precautions are provided for working with pressurized hydraulic systems and heavy components. The installation steps specify applying anti-seize compound to bolts and torquing them to the specified values.
Caterpillar Cat 336E H and 336E LH EXCAVATOR (Prefix JEA) Service Repair Manu...yin9niaojiao
The document provides instructions for disassembling and assembling the travel motor of a 336E excavator. It outlines 27 steps to disassemble the motor, removing components like the head, springs, brake piston, and bearing races. It then lists 28 steps for reassembling the motor, describing how to install seals, plates, springs and other parts in the reverse order of disassembly. Precautions are provided to prevent injury from spring forces and ensure proper alignment of parts.
Caterpillar Cat 336D2, 336D2 L and 336D2 GC Excavator (Prefix FAJ) Service Re...yin9niaojiao
This document provides disassembly instructions for a travel motor on a 336D2 excavator. It lists 27 steps to fully disassemble the travel motor, including removing components like the motor head assembly, piston assemblies, springs, seals, and plates. Special care must be taken when removing or handling components with stored spring energy to avoid personal injury. Tools required include bolting fixtures, pry bars, pullers, and seal removal tools.
Caterpillar Cat 336D2 XE and 336D2 LXE Excavator (Prefix NAH) Service Repair ...yin9niaojiao
This document provides the disassembly and assembly procedures for a travel motor on a Cat 336D2 excavator model. It lists 30 steps for disassembly, removing components like caps, springs, valves, plugs and seals. It then lists 30 steps for assembly, installing components like seals, pistons, bearings, springs and covers in the reverse order of disassembly. The document provides illustrations and notes for each step to ensure correct reassembly.
Caterpillar Cat 336D2, 336D2 L and 336D2 GC Excavator (Prefix FBT) Service Re...yin9niaojiao
This document provides instructions for removing and installing various engine components on a Caterpillar 336D2 excavator, including:
1) The engine oil filter and oil filter base.
2) The engine oil cooler.
3) The air cleaner assembly.
4) The turbocharger.
5) The water temperature regulator.
Detailed step-by-step instructions are provided for each component, along with illustrations to aid in the process. Safety notices are also included.
Caterpillar Cat 336D2 XE and 336D2 LXE Excavator (Prefix MFA) Service Repair ...yin9niaojiao
This document provides disassembly instructions for a 336D2 excavator travel motor. It outlines 27 steps to fully disassemble the travel motor. These include removing the motor head assembly, piston assemblies, barrel assembly, springs, seals, plates, and other internal components. Tools required include bolting fixtures, pry bars, pullers, and seal removal tools. Precautions are provided to retain component positioning for reassembly and to safely release spring forces during disassembly.
Caterpillar Cat 336D L and 336D LN Excavator (Prefix MYG) Service Repair Manu...yin9niaojiao
This document provides instructions for disassembling and assembling the swing motor of 336D L and 336D LN excavators. The disassembly procedure involves 26 steps to remove components like the head, pistons, barrel, housing, seals and bearings. The assembly procedure reverses the disassembly steps and includes cleaning and inspecting parts, applying oil, and torquing bolts to the specified value. Proper tools and safety precautions are noted throughout to prevent injury from spring loaded parts.
Caterpillar Cat 336D L and 336D LN Excavator (Prefix PPN) Service Repair Manu...yin9niaojiao
1. The document provides instructions for disassembling and assembling a piston pump used in Caterpillar 336D L and 336D LN excavators.
2. The disassembly procedure includes using various tools to remove over 30 individual parts from the pump in the correct order.
3. Reassembly requires carefully installing each part in the reverse order, ensuring proper placement and installation of seals, bearings, springs and other components. Temperatures must be controlled for some parts.
Caterpillar Cat 336D L and 336D LN Excavator (Prefix KDJ) Service Repair Manu...yin9niaojiao
The document provides instructions for disassembling and assembling a piston pump (hydraulic fan) used in Caterpillar 336D L and 336D LN excavators. It lists 22 steps for disassembly, removing various components like housing, springs, seals and bearings. The assembly section lists 30 steps to install these components in reverse order, noting that cleanliness is important and worn parts should be replaced. It also provides illustrations matching each step for clarity.
Caterpillar Cat 330F and 330F LN Excavator (Prefix HBT) Service Repair Manual...yin9niaojiao
This document provides instructions for removing and installing components related to the crankshaft and front cover of a Caterpillar 330F excavator engine. The procedures include removing and installing the crankshaft pulley, vibration damper, front seal, and heavy duty front cover. Tools required are listed for each procedure. Illustrations show the components and steps to disassemble and reassemble the assemblies.
This document provides installation instructions for a main hydraulic pump on a 330D excavator. It lists 54 steps to assemble components like pistons, gears, brackets, hoses and sensors. Tools include lever pullers, link brackets and torque wrenches. Precautions are given for spring loaded parts. The process involves lifting heavy components and ensuring proper hose, harness and bracket connections.
Caterpillar Cat 336D and 336D L Excavator (Prefix WRK) Service Repair Manual ...yin9niaojiao
The document provides instructions for removing and installing a final drive and travel motor on a Caterpillar 336D excavator. It lists required tools and gives step-by-step instructions involving disconnecting hoses, removing bolts and brackets, lifting out the assembly, and reinstalling it in reverse order. Safety notices are provided regarding containing fluids and preventing contamination.
Caterpillar Cat 330D2 and 330D2 L Excavator (Prefix HER) Service Repair Manua...yin9niaojiao
This document provides instructions for disassembling and assembling the final drive of a 330D2 excavator. The disassembly process involves 37 steps to remove all components of the final drive. Key steps include removing the final drive cover, gears, carrier assembly, planetary gears, and sprocket housing. The assembly process has 36 steps and involves installing components in reverse order while applying anti-seize compound and ensuring proper bearing preload using shims.
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This document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar 432F backhoe loader engine. The procedure involves using special tools to compress the valve springs, remove the keepers, and safely manipulate the valves and pistons. Proper cleaning and inspection of parts is emphasized. The installation process is essentially the reverse of removal, taking care to properly seat the valve keepers and avoid injury from the compressed springs.
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This document provides instructions for removing and installing inlet and exhaust valves on a C4.2 engine. It describes the necessary tools and safety precautions. The removal process involves removing the cylinder head, identifying the valves, compressing the valve springs, and removing the keepers, springs, and valves. Installation is the reverse of removal, including cleaning components, installing new stem seals, springs, keepers, and positioning the cylinder head on a repair stand. Personal protective equipment is recommended due to the risk of injury from parts propelled by released spring forces.
Caterpillar cat 311 d lrr excavator (prefix lka) service repair manual (lka00...fjjsekkdmme
This document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar C4.2 engine. It describes the required tools and gives step-by-step procedures for removing valve springs safely while ensuring the piston is at top-dead-center. Proper installation of new valve springs and related components is also outlined. Safety notices are included to prevent injury from parts propelled by spring forces.
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This document provides instructions for removing and installing inlet and exhaust valve springs on a Caterpillar C4.2 engine. It describes the required tools and gives step-by-step procedures for removing valve springs safely while ensuring the piston is at top dead center. Proper cleaning and inspection of parts is emphasized. The installation procedure describes compressing the springs, installing new seals, and ensuring correct valve depths are achieved. Safety notices warn of potential injury from compressed springs and ensure springs are replaced in pairs for each cylinder.
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Caterpillar Cat 336F L and 336F LN Excavator (Prefix ZBJ) Service Repair Manu...yin9niaojiao
This document provides instructions for disassembling and assembling a travel motor and final drive for Caterpillar 336F L and 336F LN excavators. It lists required tools and parts and includes diagrams illustrating the 27 steps to assemble the travel motor. These include installing seals, springs, plates, and fasteners in the proper sequence and orientation. The instructions also describe removing the final drive and travel motor as a unit and then separating the individual components.
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Caterpillar Cat 336F L and 336F LN Excavator (Prefix KFT) Service Repair Manu...yin9niaojiao
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Caterpillar Cat 336E LH and 336E LNH Excavator (Prefix GNY) Service Repair Ma...yin9niaojiao
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The document provides instructions for disassembling a 330D2 excavator final drive. It involves 33 steps including removing the final drive cover, carrier assembly, planetary gears, ring gears, and other components. Various tools are required including link brackets, eyebolts, retaining ring pliers, and a transmission repair stand to support components weighing up to 550 kg during disassembly. Cleanliness is important to prevent dirt from entering internal mechanisms.
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Understanding Catalytic Converter Theft:
What is a Catalytic Converter?: Learn about the function of catalytic converters in vehicles and why they are targeted by thieves.
Why are They Stolen?: Discover the valuable metals inside catalytic converters (such as platinum, palladium, and rhodium) that make them attractive to criminals.
Steps to Prevent Catalytic Converter Theft:
Parking Strategies: Tips on where and how to park your vehicle to reduce the risk of theft, such as parking in well-lit areas or secure garages.
Protective Devices: Overview of various anti-theft devices available, including catalytic converter locks, shields, and alarms.
Etching and Marking: The benefits of etching your vehicle’s VIN on the catalytic converter or using a catalytic converter marking kit to make it traceable and less appealing to thieves.
Surveillance and Monitoring: Recommendations for using security cameras and motion-sensor lights to deter thieves.
Statistics and Insights:
Theft Rates by Borough: Analysis of data to determine which borough in NYC experiences the highest rate of catalytic converter thefts.
Recent Trends: Current trends and patterns in catalytic converter thefts to help you stay aware of emerging hotspots and tactics used by thieves.
Benefits of This Presentation:
Awareness: Increase your awareness about catalytic converter theft and its impact on vehicle owners.
Practical Tips: Gain actionable insights and tips to effectively prevent catalytic converter theft.
Local Insights: Understand the specific risks in different NYC boroughs, helping you take targeted preventive measures.
This presentation aims to equip you with the knowledge and tools needed to protect your vehicle from catalytic converter theft, ensuring you are prepared and proactive in safeguarding your property.
EV Charging at MFH Properties by Whitaker JamiesonForth
Whitaker Jamieson, Senior Specialist at Forth, gave this presentation at the Forth Addressing The Challenges of Charging at Multi-Family Housing webinar on June 11, 2024.
Welcome to ASP Cranes, your trusted partner for crane solutions in Raipur, Chhattisgarh! With years of experience and a commitment to excellence, we offer a comprehensive range of crane services tailored to meet your lifting and material handling needs.
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Crane Operator Training: Proper training is crucial for safe and efficient crane operation. We offer specialized training programs conducted by certified instructors to equip operators with the skills and knowledge they need to handle cranes effectively.
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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.
Expanding Access to Affordable At-Home EV Charging by Vanessa WarheitForth
Vanessa Warheit, Co-Founder of EV Charging for All, gave this presentation at the Forth Addressing The Challenges of Charging at Multi-Family Housing webinar on June 11, 2024.
2. Shutdown SIS
Previous Screen
Product: BACKHOE LOADER
Model: 420F BACKHOE LOADER LKH
Configuration: 420F Backhoe Loader LKH00001-UP (MACHINE) POWERED BY C4.4 Engine
Disassembly and Assembly
C4.4 (Mech) Engines for Caterpillar Built Machines
Media Number -KENR9210-10 Publication Date -01/12/2014 Date Updated -08/08/2018
i02763410
Exhaust Elbow - Remove and Install
SMCS - 1061-010-E4
Removal Procedure
Illustration 1 g01343547
Typical example
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3. 1. Remove bolts (4) and remove exhaust elbow (2). Note the orientation of the exhaust elbow.
2. Remove bolts (5) and remove support bracket (3) from the cylinder block.
Installation Procedure
Illustration 2 g01343547
Typical example
1. Ensure that the exhaust elbow is clean and free from wear or damage.
2. Position support bracket (3) to the cylinder block and install bolts (5). Tighten bolts (5) to a
torque of 44 N·m (33 lb ft).
3. Position exhaust elbow (2).
Note: Ensure the correct orientation of the exhaust elbow.
4. Install bolts (4) to support bracket (3). Tighten bolts (4) to a torque of 44 N·m (33 lb ft).
Copyright 1993 - 2019 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Sun Nov 24 00:13:41 UTC+0800 2019
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4. Shutdown SIS
Previous Screen
Product: BACKHOE LOADER
Model: 420F BACKHOE LOADER LKH
Configuration: 420F Backhoe Loader LKH00001-UP (MACHINE) POWERED BY C4.4 Engine
Disassembly and Assembly
C4.4 (Mech) Engines for Caterpillar Built Machines
Media Number -KENR9210-10 Publication Date -01/12/2014 Date Updated -08/08/2018
i02763412
Inlet and Exhaust Valve Springs - Remove and Install
SMCS - 1108-010
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A(1)
9U-6198 Crankshaft Turning Tool 1
A(2)
9U-7336 Housing 1
5P-7305 Engine Turning Tool 1
B
9U-6195 Valve Spring Compressor 1
268-1969 Adapter 1
276-1221 Head 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".
Note: Either Tooling (A) can be used. Use the Tooling that is most suitable.
NOTICE
Keep all parts clean from contaminants.
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5. Contaminants may cause rapid wear and shortened component life.
Note: The following procedure should be adopted in order 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 the top center position before the valve spring is
removed. Failure to ensure that the piston is at the top center position may allow the valve to drop
into the cylinder bore.
NOTICE
Plug the apertures for the push rods in the cylinder head in order to
prevent the entry of loose parts into the engine.
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
Ensure that the valve spring is compressed squarely or damage to the
valve stem may occur.
1. Follow Steps 1.a through 1.d in order to position the appropriate piston at top center.
a. Install Tooling (B) in position on the cylinder head in order to compress a valve
spring for the appropriate piston.
b. Use Tooling (B) in order to compress valve spring (3) and open the valve slightly.
Note: Do not compress the spring so that valve spring retainer (2) touches the valve
stem seal.
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6. c. Use Tooling (A) in order to rotate the crankshaft carefully, until the piston touches the
valve.
Note: Do not use excessive force to turn the crankshaft. The use of force can result in
bent valve stems.
d. Continue to rotate the crankshaft and gradually release the pressure on Tooling (B)
until the piston is at the top center position. The valve is now held in a position that
allows the valve spring to be safely removed.
NOTICE
Do not turn the crankshaft while the valve springs are 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 4 and 2 with 3. Ensure that all of the valve springs are installed before
changing from one pair of cylinders to another pair of cylinders.
Illustration 1 g01343550
Typical example
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7. 2. Apply sufficient pressure to Tooling (B) in order to allow removal of valve keepers (1).
Remove valve keepers (1).
Note: Do not compress the spring so that valve spring retainer (2) touches the valve stem
seal.
3. Slowly release the pressure on Tooling (B).
4. Remove valve spring retainer (2) and remove valve spring (3).
5. If necessary, remove the valve stem seals.
6. Repeat Steps 2 through 5 in order to remove the remaining valve spring from the
appropriate cylinder.
7. Remove Tooling (B).
Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
A(1)
9U-6198 Crankshaft Turning Tool 1
A(2)
9U-7336 Housing 1
5P-7305 Engine Turning Tool 1
B
9U-6195 Valve Spring Compressor 1
268-1969 Adapter 1
276-1221 Head 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 (A) 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
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8. Do not turn the crankshaft while the valve springs are removed.
1. Inspect the valve springs for the correct length. Refer to Specifications, "Cylinder Head
Valves " for more information.
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.
Illustration 2 g01343550
Typical example
3. Install valve spring (3) onto the cylinder head. Position valve spring retainer (2) onto valve
spring (3).
Improper assembly of parts that are spring loaded can cause bodily
injury.
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9. To prevent possible injury, follow the established assembly procedure
and wear protective equipment.
4. Install Tooling (B) in the appropriate position on the cylinder head in order to compress the
valve spring.
NOTICE
Ensure that the valve spring is compressed squarely or damage to the
valve stem may occur.
5. Apply sufficient pressure to Tooling (B) in order to install valve keepers (1). Install valve
spring keepers (1).
Note: Do not compress the spring so that valve spring retainer (2) touches the valve stem
seal .
6. Carefully release the pressure on Tooling (B).
Note: Ensure that the valve keepers are correctly seated.
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).
End By:
a. Install the rocker shaft assembly. Refer to Disassembly and Assembly, "Rocker Shaft and
Pushrod - Install".
Copyright 1993 - 2019 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Sun Nov 24 00:14:37 UTC+0800 2019
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10. Shutdown SIS
Previous Screen
Product: BACKHOE LOADER
Model: 420F BACKHOE LOADER LKH
Configuration: 420F Backhoe Loader LKH00001-UP (MACHINE) POWERED BY C4.4 Engine
Disassembly and Assembly
C4.4 (Mech) Engines for Caterpillar Built Machines
Media Number -KENR9210-10 Publication Date -01/12/2014 Date Updated -08/08/2018
i02763413
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
268-1969 Adapter 1
276-1221 Head 1
Start By:
a. Remove the cylinder head. Refer to Disassembly and Assembly, "Cylinder Head -
Remove".
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
1. Clean the bottom face 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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11. 2. Place a temporary identification mark on the heads of the valves in order to identify the
correct position. Inlet valves have a recess in the center of the head.
Note: Do not stamp the heads of the valve. Stamping or punching the heads of the valves
could cause the valves to fracture.
3. Use a suitable lifting device to position the cylinder head with the valve springs upward.
The weight of the cylinder head is approximately 56 kg (125 lb).
Note: Ensure that the cylinder head is kept on a clean, soft surface in order 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 g01343550
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12. Typical example
4. Install Tooling (A) in position on the cylinder head in order to compress the appropriate
valve spring.
NOTICE
Ensure that the valve spring is compressed squarely or damage to the
valve stem may occur.
Illustration 2 g01352229
Typical example
5. Apply sufficient pressure to Tooling (A) in order 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 the pressure on Tooling (A).
7. Remove valve spring retainer (2). Remove valve spring (3).
8. Repeat Steps 4 to 7 for the remaining valves.
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13. 9. Remove Tooling (A).
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
268-1969 Adapter 1
276-1221 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.e in order 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 Systems 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 Systems 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".
e. Inspect the valve springs for the correct length. Refer to Specifications, "Cylinder
Head Valves".
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14. Illustration 3 g01352229
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 Systems 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 56 kg (125 lb).
Note: Ensure that all of 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 the valve
stem seals.
5. Install valve spring (3) onto the cylinder head. Position valve spring retainer (2) onto valve
spring (3).
Personal injury can result from being struck by parts propelled by a
released spring force.
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15. Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
Illustration 4 g01343550
Typical example
6. Install Tooling (A) in the appropriate position on the cylinder head in order 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) in order 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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16. 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. Lightly strike the top of the valves with a soft hammer in
order to ensure that valve keepers (1) are properly installed.
End By:
a. Install the cylinder head. Refer to Disassembly and Assembly, "Cylinder Head - Install".
Copyright 1993 - 2019 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Sun Nov 24 00:15:32 UTC+0800 2019
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17. Shutdown SIS
Previous Screen
Product: BACKHOE LOADER
Model: 420F BACKHOE LOADER LKH
Configuration: 420F Backhoe Loader LKH00001-UP (MACHINE) POWERED BY C4.4 Engine
Disassembly and Assembly
C4.4 (Mech) Engines for Caterpillar Built Machines
Media Number -KENR9210-10 Publication Date -01/12/2014 Date Updated -08/08/2018
i04717030
Inlet and Exhaust Valve Guides - Remove and Install
SMCS - 1104-010
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 157-3722 Valve Guide Driver 1
Start By:
A. Remove the inlet valves and the exhaust valves. Refer to Disassembly and Assembly, "Inlet
and Exhaust Valves - Remove and Install".
NOTICE
Removal and installation of the valve guide and valve seat must be
carried out by personnel with the correct training. Also special
machinery is required. For more information, refer to your authorized
Caterpillar dealer.
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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18. Illustration 1 g01383763
1. Use Tooling (A) in order to remove valve guides (2) from cylinder head (1) .
2. Repeat the Step 1 for the remaining valve guides.
Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
A
157-3722 Valve Guide Driver 1
393-0369 Stop Collar 1
B 157-3720 Valve Seat Cutter 1
NOTICE
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19. Suggest:
If the above button click is invalid.
Please download this document
first, and then click the above link
to download the complete manual.
Thank you so much for reading
20. Removal and installation of the valve guide and valve seat must be
carried out by personnel with the correct training. Also special
machinery is required. For more information, refer to your authorized
Caterpillar dealer.
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
1. Clean the parent bores in the cylinder head for the valve guides.
Illustration 2 g01383767
2. Lubricate a new valve guide (2) and place the valve guide in position. Carefully tap the
valve guide in order to start the installation. Use Tooling (A) to install the valve guide into
the cylinder head.
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