This shop manual provides information for servicing a Doosan DL450 wheel loader. The manual contains safety information, specifications, maintenance procedures, and troubleshooting guides for engine, drivetrain, brakes, steering, hydraulics, electrical, and other systems. Procedures are described for servicing components like the QSM11 engine, ZF transmission, axles, steering unit, hydraulic valves, and electrical system. Safety precautions are provided throughout and illustrations represent actual equipment.
Doosan dl500 wheel loader service repair manualfjjjskekksmem
This document provides safety information for a Doosan wheel loader. It contains information on general safety essentials, unauthorized modifications, hazards, safe operation procedures before and during operation, maintenance safety, and other topics. Safety labels should be kept legible and replaced if missing. Only trained personnel should operate and maintain the machine. Personal protective equipment like hard hats and safety shoes may be required.
Doosan dl220 wheel loader service repair manualjfdjjskfkksmemm
This document provides safety information for wheel loaders. It outlines general safety essentials, including not modifying the machine without authorization. Operators should be trained and authorized, and follow all safety rules. Guards and covers and safety features like seat belts should be used properly. Inside the cab, keep floors clear and avoid distractions. When operating, do not put hands or head outside the cab. Secure long hair and loose clothing, and wear protective gear like eye protection and gloves.
Doosan dl350 wheel loader service repair manualfjjjskekksmem
This document provides safety information for wheel loaders. It discusses general safety essentials including following all safety rules and precautions, keeping safety features in good working order, and not making unauthorized modifications. It describes hazards inside the operator's compartment and proper clothing and protective equipment. It also covers topics like mounting and dismounting safely, asbestos dust prevention, and general rules for safe operation and maintenance.
Doosan dl250 wheel loader service repair manualfjjjskekksmem
This document provides safety information for wheel loaders, including general safety essentials, locations of safety labels, unauthorized modifications, general hazards, safety procedures before starting the engine, safe machine operation, maintenance safety, battery safety, towing safety, and shipping/transportation safety. Operators and maintenance personnel are instructed to read this manual thoroughly before operating or servicing the machine to understand safety precautions and procedures. Unsafe practices could result in serious injury or death.
Doosan dl160 wheel loader service repair manualfjjjskekksmem
This document provides safety information for wheel loaders, including general safety essentials, locations of safety labels, unauthorized modifications, general hazards, safety procedures before starting the engine, during machine operation, and during maintenance. It emphasizes the importance of understanding and following all safety recommendations and procedures to prevent serious injury or death. Operators and maintenance personnel are instructed to read this manual thoroughly before operating or servicing the machine.
Daewoo doosan dx210 w wheel excavator service repair manualfjjsekwsxkdmmem
This document provides safety information for Doosan wheel excavators. It outlines general safety essentials, labels the location of safety labels on the machine, and summarizes safety precautions for lifting loads. It warns that unauthorized modifications can create safety hazards and lists some general hazard information, including following all safety rules and precautions, only allowing trained operators, and ensuring all safety features are used properly.
Daewoo doosan dx210 w excavator service repair manual (serial number 5001 and...udjfjjsekekkem
The document provides maintenance information for a swing bearing and swing reduction gear used in a Doosan wheel excavator:
- Instructions are given for measuring swing bearing axial and lateral play to check for wear.
- The swing reduction gear reduces the swing motor RPM to increase torque for fast turning. It has a two-stage planetary gear configuration.
- Troubleshooting tips and removal instructions are provided for the swing reduction gearbox, including checking oil levels, seals, and bolts to diagnose issues like leakage, excessive heat, or lack of rotation.
Doosan dl500 wheel loader service repair manualfdjjjsekkskemm
This document provides safety information for a Doosan wheel loader. It contains information on general safety essentials, unauthorized modifications, hazards, safe operation procedures before and during operation, maintenance safety, and other topics. Safety labels should be kept legible and replaced if missing. Only trained personnel should operate and maintain the machine. Personal protective equipment like hard hats and safety shoes may be required.
Doosan dl500 wheel loader service repair manualfjjjskekksmem
This document provides safety information for a Doosan wheel loader. It contains information on general safety essentials, unauthorized modifications, hazards, safe operation procedures before and during operation, maintenance safety, and other topics. Safety labels should be kept legible and replaced if missing. Only trained personnel should operate and maintain the machine. Personal protective equipment like hard hats and safety shoes may be required.
Doosan dl220 wheel loader service repair manualjfdjjskfkksmemm
This document provides safety information for wheel loaders. It outlines general safety essentials, including not modifying the machine without authorization. Operators should be trained and authorized, and follow all safety rules. Guards and covers and safety features like seat belts should be used properly. Inside the cab, keep floors clear and avoid distractions. When operating, do not put hands or head outside the cab. Secure long hair and loose clothing, and wear protective gear like eye protection and gloves.
Doosan dl350 wheel loader service repair manualfjjjskekksmem
This document provides safety information for wheel loaders. It discusses general safety essentials including following all safety rules and precautions, keeping safety features in good working order, and not making unauthorized modifications. It describes hazards inside the operator's compartment and proper clothing and protective equipment. It also covers topics like mounting and dismounting safely, asbestos dust prevention, and general rules for safe operation and maintenance.
Doosan dl250 wheel loader service repair manualfjjjskekksmem
This document provides safety information for wheel loaders, including general safety essentials, locations of safety labels, unauthorized modifications, general hazards, safety procedures before starting the engine, safe machine operation, maintenance safety, battery safety, towing safety, and shipping/transportation safety. Operators and maintenance personnel are instructed to read this manual thoroughly before operating or servicing the machine to understand safety precautions and procedures. Unsafe practices could result in serious injury or death.
Doosan dl160 wheel loader service repair manualfjjjskekksmem
This document provides safety information for wheel loaders, including general safety essentials, locations of safety labels, unauthorized modifications, general hazards, safety procedures before starting the engine, during machine operation, and during maintenance. It emphasizes the importance of understanding and following all safety recommendations and procedures to prevent serious injury or death. Operators and maintenance personnel are instructed to read this manual thoroughly before operating or servicing the machine.
Daewoo doosan dx210 w wheel excavator service repair manualfjjsekwsxkdmmem
This document provides safety information for Doosan wheel excavators. It outlines general safety essentials, labels the location of safety labels on the machine, and summarizes safety precautions for lifting loads. It warns that unauthorized modifications can create safety hazards and lists some general hazard information, including following all safety rules and precautions, only allowing trained operators, and ensuring all safety features are used properly.
Daewoo doosan dx210 w excavator service repair manual (serial number 5001 and...udjfjjsekekkem
The document provides maintenance information for a swing bearing and swing reduction gear used in a Doosan wheel excavator:
- Instructions are given for measuring swing bearing axial and lateral play to check for wear.
- The swing reduction gear reduces the swing motor RPM to increase torque for fast turning. It has a two-stage planetary gear configuration.
- Troubleshooting tips and removal instructions are provided for the swing reduction gearbox, including checking oil levels, seals, and bolts to diagnose issues like leakage, excessive heat, or lack of rotation.
Doosan dl500 wheel loader service repair manualfdjjjsekkskemm
This document provides safety information for a Doosan wheel loader. It contains information on general safety essentials, unauthorized modifications, hazards, safe operation procedures before and during operation, maintenance safety, and other topics. Safety labels should be kept legible and replaced if missing. Only trained personnel should operate and maintain the machine. Personal protective equipment like hard hats and safety shoes may be required.
Doosan dl500 wheel loader service repair manualufsiekdolskek
This document provides safety information for operating a Doosan wheel loader. It outlines general safety essentials, identifies the location of safety labels on the machine, warns against unauthorized modifications, and describes hazards and safety procedures for various situations including starting the engine, operation, maintenance, batteries, towing, and transportation. Operators and maintenance personnel are instructed to read this manual thoroughly before use or service to understand how to safely operate and maintain the equipment.
Doosan dl500 wheel loader service repair manualfsjfksemmwse
This document provides safety information for operating a Doosan wheel loader. It outlines general safety essentials, identifies the location of safety labels on the machine, warns against unauthorized modifications, and describes hazards and safety procedures for starting the engine, operating the machine, performing maintenance, working with batteries, towing, and shipping. Operators and maintenance personnel are instructed to read this manual thoroughly before using or servicing the wheel loader.
Daewoo doosan dx170 w excavator service repair manual (serial number 5001 and...udfjjjsekekkem
1. This document provides safety guidelines and precautions for operating Doosan wheel excavators.
2. Safety labels are located on the machine to highlight key hazards, and operating procedures must follow safety summaries to prevent injury or damage.
3. Unauthorized modifications to the machine are prohibited, and general hazards are outlined.
Daewoo doosan dx170 w excavator service repair manual (serial number 5001 and...fjskkmemem
The document provides safety precautions and instructions for removing and installing the counterweight on a Doosan wheel excavator model DX170W. Key points include:
1) The excavator must be parked on firm, level ground before attempting counterweight removal or installation.
2) One person should be assigned to lead and direct the lifting crew to ensure all safety precautions are followed.
3) Removing the counterweight can affect the stability of the excavator so the upper structure must remain inline with the lower structure and no rotation is allowed once removed.
4) Proper lifting equipment rated for the counterweight weight, which is provided, must be used.
Daewoo doosan dx170 w excavator service repair manual (serial number 5001 and...fujsjejfkskekm
The document provides safety precautions and instructions for removing and installing the counterweight on a Doosan wheel excavator model DX170W. Key points include:
1) The excavator must be parked on firm, level ground before attempting counterweight removal or installation.
2) One person should be assigned to lead and direct the lifting crew to ensure all safety precautions are followed.
3) Removing the counterweight can affect the stability of the excavator so the upper structure must remain inline with the lower structure and no rotation is allowed once removed.
4) Proper lifting equipment rated for the counterweight weight, which is provided, must be used.
Daewoo doosan dx170 w excavator service repair manual (serial number 5001 and...jjksekfksmem
1) This document provides safety guidelines and precautions for operating Doosan wheel excavators.
2) Safety labels are located on the machine to highlight key hazards, and operating procedures must follow safety summaries to prevent injury.
3) Unauthorized modifications to the machine are prohibited, and general hazards include being struck by moving parts, electrocution, and tipping hazards.
Daewoo doosan dx340 lc excavator service repair manualfjjsekkmdmes
- DOOSAN reserves the right to improve products and update documentation at any time without obligation to update previously sold machines.
- Consumers should periodically check with distributors for the most recent documentation and optional equipment availability.
- Illustrations in the manual are representational and may differ from actual equipment.
- The manual provides safety, operation, maintenance and repair information for the DX340LC excavator serial number 5001 and up.
Doosan dl400 wheel loader service repair manualikdkdmddm1
The document provides safety information for operating a Doosan wheel loader, including:
1. It outlines general safety essentials, such as following all safety recommendations and using tools and equipment in good working order.
2. It lists the location of safety labels on the machine and prohibits unauthorized modifications.
3. It describes general hazard information, precautions before starting the engine, safe operating procedures, maintenance safety, and safety procedures for towing, shipping, and transportation.
The document emphasizes that ultimately safety is the operator's responsibility and improper operation or maintenance can result in serious injury or death. It instructs operators to read the safety information thoroughly.
Doosan dl400 wheel loader service repair manualujfjjdkkkkmm
The document provides safety information for operating a Doosan wheel loader, including:
1. It outlines general safety essentials, such as following all safety recommendations and using tools and equipment in good working order.
2. It specifies the location of safety labels on the machine and prohibits unauthorized modifications.
3. It describes general hazard information, precautions before starting the engine, safe operating procedures, maintenance safety, and safety procedures for towing, shipping, and transportation.
The document emphasizes that ultimately safety is the operator's responsibility and improper operation or maintenance can result in serious injury or death. It defines safety signal words like caution, warning, and danger used in the manual.
Doosan dl400 wheel loader service repair manualkksjeksmefm
This document provides safety information and guidelines for operating a Doosan wheel loader. It discusses general safety essentials, hazards, safe operating procedures before and during operation, maintenance safety, and other topics. Safety is the operator's responsibility, and unauthorized modifications could create safety hazards. Personal protective equipment may be required, and safety features and guards should always be in place and in good condition.
Doosan dl400 wheel loader service repair manualfisdkjekemms
This document provides safety information and guidelines for operating a Doosan wheel loader. It discusses general safety essentials, hazards, safety features, protective equipment needs, and safe operating procedures for activities like mounting/dismounting, fueling, maintenance and transportation. Unauthorized modifications that compromise safety are prohibited. Operators must read and follow all safety instructions in the manual.
Doosan dl400 wheel loader service repair manualjfdjjskfkksmemm
The document provides safety information for operating a Doosan wheel loader, including:
1) It outlines general safety essentials, such as following all safety recommendations and using tools and equipment in good working order.
2) It specifies the location of safety labels on the machine and prohibits unauthorized modifications.
3) It describes general hazard information and safety precautions that should be followed before starting the engine, during machine operation, maintenance, and other activities like working with the battery, towing, and shipping. Failure to follow the safety guidelines could result in serious injury or death.
Doosan dl400 wheel loader service repair manualufjsjekskem
The document provides safety information and guidelines for operating a Doosan wheel loader. It emphasizes that safety is the operator's responsibility and outlines general safety essentials, hazard information, safe operating procedures before and during operation, maintenance safety, and safety procedures for towing, shipping, and transportation. Operators are instructed to read the safety section thoroughly before use to understand signal words used and safety precautions for avoiding injury or death.
Doosan dl220 wheel loader service repair manualufjsjekskem
This document provides safety information for wheel loaders. It outlines general safety essentials, including not modifying the machine without authorization. It describes safety labels and hazards around visibility. Guidelines are provided for operating in poor visibility conditions. Safety rules are outlined for inside the operator's cabin and regarding clothing. Operators must be trained and authorized, and follow all safety precautions in the manual. [/SUMMARY]
Doosan dl220 wheel loader service repair manualkksjeksmefm
This document provides safety information for wheel loaders. It outlines general safety essentials, including not modifying the machine without authorization. Operators should be trained and authorized, and follow all safety rules. Guards and covers and safety features like seat belts should be used properly. Inside the cab, keep floors clear and avoid distractions. When operating, do not put hands or head outside the cab. Secure long hair and loose clothing, and wear protective gear like eye protection and gloves.
Doosan dl220 wheel loader service repair manualfisdkjekemms
This document provides safety information for wheel loaders. It outlines general safety essentials, including not modifying the machine without authorization. Operators should be trained and authorized, and follow all safety rules. Guards and covers and safety features like seat belts should be used properly. Inside the cab, keep floors clear and avoid distractions. When operating, do not put hands or head outside the cab. Secure long hair and loose clothing, and wear protective gear like eye protection and gloves.
Doosan dl220 wheel loader service repair manualikdkdmddm1
This document provides safety information for wheel loaders. It outlines general safety essentials, including not modifying the machine without authorization. Operators should be trained and authorized, and follow all safety rules. Guards and covers should remain installed, and safety features like seat belts should be used properly. The document also provides guidelines for operating safely in poor visibility conditions and maintaining a clean operator cabin. Proper clothing and personal protective equipment should be worn as well.
Doosan dl220 wheel loader service repair manualujfjjdkkkkmm
This document provides safety information for wheel loaders. It outlines general safety essentials, including not modifying the machine without authorization. Operators should be trained and authorized, and follow all safety rules. Guards and covers and safety features like seat belts should be used properly. Inside the cab, keep it clean and do not use phones or headphones while operating. Personal protective equipment like eye protection and hard hats should be worn. Operators should check visibility aids are working and look for blind spots before moving the machine. Unauthorized modifications that compromise safety are prohibited.
Toyota 30 5 fgc15 forklift service repair manualufsiekdolskek
This document provides service information for Toyota forklifts. It begins with an introduction to the manual and lists the engine repair manuals that should be used as a reference. The bulk of the document consists of sections covering maintenance procedures, component specifications, and inspection periods for various systems of the forklift, such as the engine, transmission, brakes, hydraulics, and electrical components. Instructions are provided for lubrication schedules, tightening torques, and periodic maintenance best practices to ensure proper operation and servicing of Toyota forklifts.
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Daewoo doosan dx340 lc excavator service repair manualfjjsekkmdmes
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Doosan dl400 wheel loader service repair manualikdkdmddm1
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Doosan dl450 wheel loader service repair manual
1. K1039661E Shop Manual
Copyright 2008 Doosan
DOOSAN reserves the right to improve our products in a continuing process to provide the best possible
product to the market place. These improvements can be implemented at any time with no obligation to
change materials on previously sold products. It is recommended that consumers periodically contact their
distributors for recent documentation on purchased equipment.
This documentation may include attachments and optional equipment that is not available in your
machine's package. Please call your distributor for additional items that you may require.
Illustrations used throughout this manual are used only as a representation of the actual piece of
equipment, and may vary from the actual item.
Shop Manual
K1039661E
Serial Number 5001 and Up
DL450
2. Table of Contents
Page I
1Table of Contents
Safety
Wheel Loader Safety ............................................................................ SP001667
Specifications
Specification for DL450......................................................................... SP001668
General Maintenance
General Maintenance Procedures........................................................ SP000097
Standard Torques................................................................................. SP000813
Engine
QSM11 Engine ..................................................................................... SP001669
Drive Train
Transmission and Torque Converter (ZF 4WG-260-4)......................... SP001670
Transmission Error Codes (ZF) ............................................................ SP000100
Axle (ZF-MT-L 3105) ............................................................................ SP001672
Drive Shaft............................................................................................ SP001673
Brake
Service Brake ....................................................................................... SP001674
Brake Supply Valve .............................................................................. SP000121
Parking Brake ....................................................................................... SP000122
Brake Pedal Valve ................................................................................ SP000123
Accumulator.......................................................................................... SP001675
Steering
Steering Unit......................................................................................... SP001676
Flow Amplifier ....................................................................................... SP000126
Cushion Valve....................................................................................... SP000127
3. Table of Contents
Page II
Emergency Steering ............................................................................. SP001677
Frame
Articulation Center ................................................................................ SP001678
Counterweight....................................................................................... SP000130
Tank
Oil Tank ................................................................................................ SP001679
Fuel Tank.............................................................................................. SP001680
Hydraulics
Main Control Valve ............................................................................... SP001681
Load Isolation System .......................................................................... SP001682
Cooling System..................................................................................... SP000154
Pilot System.......................................................................................... SP001714
Hydraulic Schematic (DL450)............................................................... SP001683
Electrical System
Air Conditioner...................................................................................... SP000172
Electrical System .................................................................................. SP001684
Electrical Schematic (DL450) ............................................................... SP001685
5. SP001667
Page 3
Wheel Loader Safety
Table of Contents
Wheel Loader Safety
Safety Precautions ............................................... 5
Applicable Models ................................................ 5
To the Operator of a DOOSAN Wheel Loader ..... 6
General Safety Essentials .................................... 9
Location of Safety Labels ..................................... 9
Unauthorized Modifications .................................. 9
General Hazard Information ............................... 10
Before Starting Engine ....................................... 18
Machine Operation ............................................. 23
Maintenance ....................................................... 31
Battery ................................................................ 40
Towing ................................................................ 42
Shipping and Transportation .............................. 43
6. SP001667
Page 5
Wheel Loader Safety
SAFETY PRECAUTIONS
APPLICABLE MODELS
The contents of this section apply to the following models and
serial number ranges.
CAUTION!
Follow all safety recommendations and safe shop practices
outlined in the front of this manual or those contained
within this section.
Always use tools and equipment that are in good working
order.
Use lifting and hoisting equipment capable of safely
handling load.
Remember, that ultimately safety is your own personal
responsibility.
MODEL SERIAL NUMBER RANGE
DL300 5001 and Up
DL400 5001 and Up
DL450 5001 and Up
DL500 5001 and Up
7. SP001667Wheel Loader Safety
Page 6
TO THE OPERATOR OF A
DOOSAN WHEEL LOADER
Please respect the importance of taking responsibility for your
own safety, and that other people who may be affected by your
actions.
Safety information on the following pages is organized into the
following topics.
1. “General Safety Essentials” on page 1-9.
2. “Location of Safety Labels” on page 1-9.
3. “Unauthorized Modifications” on page 1-9.
4. “General Hazard Information” on page 1-10.
5. “Before Starting Engine” on page 1-18.
6. “Machine Operation” on page 1-23.
7. “Maintenance” on page 1-31.
8. “Battery” on page 1-40.
9. “Towing” on page 1-42.
10. “Shipping and Transportation” on page 1-43.
DANGER!
Unsafe use of the wheel loader could lead to serious injury
or death. Operating procedures, maintenance and
equipment practices or traveling or shipping methods that
do not follow the safety guidelines on the following pages
could cause serious, potentially fatal injuries or extensive
damage to the machine or nearby property.
8. SP001667
Page 7
Wheel Loader Safety
WARNING!
Improper operation and maintenance of this machine can
be hazardous and could result in serious injury or death.
Operator and maintenance personnel should read this
manual thoroughly before beginning operation or
maintenance.
Keep this manual in the storage compartment to the rear of
the operator's seat, and have all personnel involved in
working on the machine periodically read the manual.
Some actions involved in operation and maintenance of the
machine can cause a serious accident, if they are not done
in a manner described in this manual.
The procedures and precautions given in this manual apply
only to intended uses of the machine.
If you use your machine for any unintended uses that are
not specifically prohibited, you must be sure that it is safe
for any others. In no event should you or others engage in
prohibited uses or actions as described in this manual.
DOOSAN delivers machines that comply with all applicable
regulations and standards of the country to which it has
been shipped. If this machine has been purchased in
another country or purchased from someone in another
country, it may lack certain safety devices and
specifications that are necessary for use in your country. If
there is any question about whether your product complies
with the applicable standards and regulations of your
country, consult DOOSAN or your DOOSAN distributor
before operating the machine.
SAFETY ALERT SYMBOL
Be Prepared - Get to Know All Operating and Safety
Instructions.
This is the Safety Alert Symbol. Wherever it appears in this
manual or on safety signs on the machine you should be
alert to the potential for personal injury or accidents.
Always observe safety precautions and follow
recommended procedures.
10. SP001669
Page 7
QSM11 Engine
SAFETY PRECAUTIONS
APPLICABLE MODELS
The contents of this section apply to the following models and
serial number ranges.
CAUTION!
Follow all safety recommendations and safe shop
practices outlined in the front of this manual or those
contained within this section.
Always use tools and equipment that are in good
working order.
Use lifting and hoisting equipment capable of safely
handling load.
Remember, that ultimately safety is your own personal
responsibility.
MODEL SERIAL NUMBER RANGE
DL450 5001 and Up
12. SP001669QSM11 Engine
Page 96
Remove the radiator orfill cap and check the coolant level. Refer
to the OEM service manual instructions for recommendations.
Add coolant if necessary. Do not overfill.
ADJUSTMENT, REPAIR AND
REPLACEMENT
Fuel Shutoff Valve
Voltage Check
Connet the wire. Make sure the shutoff valve coil is the correct
voltage.
The coil voltage and part number are cast into the terminal
connection end of the coil.
Figure 171
WARNING!
Do not remove the pressure cap from a hot engine. Wait
until the coolant temperature is below 50°C [120°F]
before removing the pressure cap. Heated coolant spray
or steam can cause personal injury.
CAUTION!
Do not add cold coolant to a hot engine. This can
cause engine casting damage. Allow the engine to cool
to below 50°C [120°F] before adding coolant.
Figure 172
CAUTION!
To avoid damage to the ECM, connect only one wire to
the fuel shut off solenoid.
13. SP001669
Page 97
QSM11 Engine
Turn the vehicle keyswitch to the ON position.
Check the voltage to the coil with a multimeter, PartNumber
3377161, or equivalent.The voltage must be the same as the
battery voltage.Turn the vehicle key switch to the OFF position.
The voltage must be the dame as the battery voltage.
Turn the vehicle key switch to the OFF position.
Drive Belt, Alternator
Install
Install a new belt over the pulleys while holding the tensioner
back. Be careful not to damage the belt while working it over the
flanged pulleys.
Release the tensioner, and remove the breaker bar.
Belt drive systems equipped with an automatic belt tensioner
can not be adjusted. A belt tension gauge will not give an
accurate measure of the belt tension. The automatic belt
tensioner is designed to maintain the proper belt tension over
the life of the belt. Only inspection of the tensioner is required.
The belt tensioner is designed to operate within the limit of arm
movement provided by the cast stops when the belt length and
geometry are correct.
If the tensioner is hitting either of the limits during operation,
check the mounting brackets and belt length. Loose brackets,
bracket failure, alternator movement, incorrect belt length, or
belt failure can cause the tensioner to hit the limits.
Figure 173
Figure 174
Figure 175
14. SP001669QSM11 Engine
Page 98
Install a new belt on the water pump and alternator pulleys. To
prevent damage, do not roll a belt over the pulley or pry on it with
a tool.
Turn the adjusting screw(1) clockwise to increase the belt
tension.
Use belt tension gauge, Part Number ST-1293, or equivalent, to
measure the belt tension. Refer to Procedure 018-005 (Drive
Belt Tension) in Section V for the correct tension value for the
belt is installed.
NOTE: A belt is considered used if it has been in operation
for ten minutes or longer.
Tighten the adjusting screw locknut (2) against the retainer.
Tighten the adjustment link locking capscrew (3).
Torque Value: 80 Nm [ 60 ft-lb ]
Tighten the pivot capscrew (4) and nut (5).
Torque Value: 47 N.m [ 35 ft-lb ]
Adjust
Adjustment Link Type
Loosen the adjusting screw locknut (1)
Loosen the adjustment link locking capscrew (2).
Loosen the pivot capscrew and nut (3).
Use belt tension gauge, PartNo. ST-1293, to measure belt
tension.
Turn the alternator adjusting screw (1) clockwise to tighten the
belt. Refer to Procedure 018-005 (Drive Belt Tension) in page
-234 .
NOTE: A belt is considered used if it has been in operation
for ten minutes or longer.
Figure 176
Figure 177
Figure 178
Figure 179
15. SP001669
Page 99
QSM11 Engine
Tighten the adjusting screw locknut (2) against
theretainer.Tighten the adjustment link locking capscrew (3).
Torque Value: 80 Nm [ 60 ft-lb ]
Tighten the pivot capscrew (4) and nut (5).
Torque Value: 47 Nm [ 35 ft-lb ]
Belt drive systems equipped with an automatic belt tensioner
can not be adjusted. A belt tension gauge will not give an
accurate measure of the belt tension. The automatic belt
tensioner is designed to maintain proper belt tension over the life
of the belt. Only inspection of the tensioner is required.
The belt tensioner is designed to operate within the limit of arm
movement provided by the cast stops when the belt length and
geometry are correct.
If the tensioner is hitting either of the limits during operation,
check the mounting brackets and the belt length. Loose
brackets, bracket failure, alternator movement, incorrect belt
length, or belt failure can cause the tensioner to hit the limits.
NOTE: If the engine is equipped with a secondary alternator,
reference to the vehicle manufacturer for the
secondary alternator belt adjustment procedure.
Figure 180
Figure 181
16. SP001669QSM11 Engine
Page 100
Belt Tensioner, Automatic (Alternator)
General Information
A new automatic tensioning single belt fan and alternator drive is
the standard option for the QSM industrial engine. The design
uses an eight-rib poly-vee belt with an automatic tensioner and a
fixed idler.
The belt tensioner is designed to operate within the limit of arm
movement provided by the cast stops when the belt length and
geometry are correct. If the tensioner is hitting either of the limits
during operation, check the mounting brackets and the belt
length. Loose brackets, bracket failure, alternator movement,
incorrect belt length, or belt failure can cause the tensioner to hit
the limits.
Remove
Remove the mounting capscrews and the belt tensioner from
the bracket.
Use a ¾-inch drive breaker bar to hold back the tensioner and
relieve the belt tension.
Rotate the tensioner away from the belt until it stops.
Remove the alternator belt while holding the tensioner back.
Figure 182
Figure 183
Figure 184
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18. SP001669
Page 101
QSM11 Engine
Remove the belt tensioner from the engine.
Install
Install the belt tensioner.
Install and tighten capscrews.
Torque Value: 47 Nm [ 35 ft-lb ]
Tighten the tensioner mounting capscrew.
Torque Value: 47 Nm [ 35 ft-lb ]
Install the alternator belt over the pulleys while holding the
tensioner back with a ¾-inch drive breaker bar. Use care in
working belt over the edge of flanged pulleys.
Release the tensioner and remove the breaker bar.
The belt tensioner is designed to operate well within the limit of
arm movement, provided by the cast stops, when the belt length
and geometry are correct.
Figure 185
Figure 186
Figure 187
Figure 188
19. SP001669QSM11 Engine
Page 102
Water Pump
Remove
Remove the dust seal.
Remove the five water pump oil seal capscrews, clamping ring,
oil seal, and gasket.
Remove the dust seal as the seal carrier is removed; or use a
heel bar, or similar tool, to pry the dust seal away from the seal
case. Then remove the dust seal by hand.
Discard the oil seal and dust seal.
The coolant flow that provides cooling to the torque converter (if
equipped) is achieved in different manners.
ISM and QSM Series engines use a torque converter cooler disc
inside the coolant bypass hose to direct engine coolant to the
inlet side of the torque converter cooler.
1. Torque converter coolant supply
2. Torque converter disc (orifice)
3. Bypass hose
4. Water pump
Loosen the EGR cooler coolant supply lower tube retaining
clamp capscrew. Remove the EGR cooler coolant supply lower
tube retaining clamp and tube.
Remove and discard the o-ring.
Figure 189
Figure 190
Figure 191
20. SP001669
Page 103
QSM11 Engine
Remove the three water pump mounting capscrews.
Remove the two water pump water transfer connection
capscrews and push the water pump transfer connection into
the water pump as far as possible to facilitate water pump
removal.
Remove the water pump. Twist the pump outward from the top,
and angle the rear of the pump downward as it is being removed
to allow the pump to pass the thermostat housing support.
Remove the water pump water transfer connection from the
water pump.
Check the needle bearing for damage and freedom of needle
rotation. Replace the bearing if it is damaged or if it does not turn
freely.
If the bearing is replaced, use bearing installation tool, Part
Number 3824117, along with a cup driver to remove the needle
bearing from the gear housing. Gently tap the bearing out from
the rear side of the housing.
Remove the pressure cap when the engine is cool.
Drain the cooling system. Refer to Procedure 008-018 (Cooling
System) in page -89.
Figure 192
Figure 193
Figure 194
WARNING!
Do not remove the pressure cap from a hot engine. Wait
until the coolant temperature is below 50°C [120°F]
before removing the pressure cap. Heated coolant spray
or steam can cause personal injury.
Figure 195
WARNING!
Coolant is toxic. Keep away from children and pets. If
not reused, dispose of in accordance with local
environmental regulations.