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Product: COMPACT WHEEL LOADER
Model: 914G COMPACT WHEEL LOADER 9WM
Configuration: 914G Wheel Loader 9WM00001-01012 (MACHINE) POWERED BY 3054 Engine
Disassembly and Assembly
RA1.2, R1.4, R2.0, R2.2, R2.5, R2.7, R3.0, R4.5 and R5.5 Series Reduction Starting Motors
Media Number -SENR3828-02
Publication Date -01/07/1999 Date Updated -09/10/2001
Starting Motor - Assemble
SMCS - 1453-016
Illustration 1 g00585386
1. Install the return spring (15) into the solenoid (2) .
i01107165
Illustration 2 g00585389
2. Install the rollers (14) and the retainer (13) into the drive end housing (4) .
Illustration 3 g00585386
3. Put the idler gear (12) and the armature reduction gear (11) onto the drive end housing (4) .
Illustration 4 g00585348
4. Put the steel ball (10) into the overrunning clutch (9) .
Illustration 5 g00585337
5. Put the overrunning clutch (9) into the drive end housing (4) .
Illustration 6 g00585327
6. Put the drive end housing (4) on the solenoid (2) and install the screws. Tighten the screws to a torque of 0.6 N·m (5.3 lb in) to 0.9 N·m (7.9 lb in).
Illustration 7 g00585312
7. Put the armature (8) into the case of the starting motor (3) .
Illustration 8 g00585753
8. Put the brush holder (7) in position over the commutator. Put the positive brushes, which are connected to motor case (3) into the positive holders. The positive holder is separated from the plate by an insulator. Put the negative brushes into the negative uninsulated holders. The negative brushes are connected to brush holder (7) .
Illustration 9 g00585304
9. Make sure that the wires for the positive brush lead are not grounded. Put the brush springs (5) on top of the brushes (6) with a pair of long nose pliers. Make sure that the brush holder (7) and the commutator are free of oil.
Illustration 10 g00586185
10. If the motor case has an end frame (16), install the end frame onto the case of the starting motor. Tab (22) that is on the end frame must line up with the lead wire grommet (23) that is on the case of the starting motor.
Illustration 11 g00586190
11. Put the case of the starting motor (3) in position onto the solenoid (2). Engage the TAB (22) on the case of the starting motor with the notch in the solenoid. Install the through bolts and tighten the through bolts to a torque of 1.5 N·m (13 lb in) to 2.4 N·m (21 lb in).
Illustration 12 g00585273
12. Connect the lead wire (1) to the motor terminal of the solenoid (2) .
Install the starting motor onto the machine.
Copyright 1993 - 2021 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees.
Sat Apr 24 11:01:47 UTC+0530 2021
Product: COMPACT WHEEL LOADER
Model: 914G COMPACT WHEEL LOADER 9WM
Configuration: 914G Wheel Loader 9WM00001-01012 (MACHINE) POWERED BY 3054 Engine
Disassembly and Assembly
RA1.2, R1.4, R2.0, R2.2, R2.5, R2.7, R3.0, R4.5 and R5.5 Series Reduction Starting Motors
Media Number -SENR3828-02 Publication Date -01/07/1999 Date Updated -09/10/2001
Starting Motor - Disassemble
SMCS - 1453-015
Remove the starting motor from the machine. The procedure for removal of the starting motor may vary slightly with a different series of starting motor.
Illustration 1 g00585273
1. Disconnect the terminal lead wire (1) from the solenoid (2) .
i01107169
Illustration 2 g00585281
2. Remove the through bolts from the drive end housing (4). The through bolts holds the case of the starting motor (3) onto the solenoid.
Illustration 3 g00585290
3. Remove the case of the starting motor (3) from the solenoid (2) .
Illustration 4 g00585304
4. If the case of the starting motor has an end frame, remove the end frame. Release the tension of the brush springs (5) with a pair of long nose pliers. Pull the brushes (6) away from the commutator. Remove brush holder (7) .
Illustration 5 g00585312
5. Remove the armature (8) from the case of the starting motor (3). A plastic or rubber hammer may be necessary in order to drive the case of the starting motor from the armature.
Illustration 6 g00585319
6. Remove the screws that hold the drive end housing (4) to the solenoid (2) .
Illustration 7 g00585327
7. Remove the drive end housing (4) from the solenoid (2) .
Illustration 8 g00585337
8. Remove the overrunning clutch (9) from the drive end housing (4) .
Illustration 9 g00585348
9. Remove the steel ball (10) from the overrunning clutch (9) .
Illustration 10 g00585386
10. Remove the armature reduction gear (11) and the idler gear (12) from the drive end housing (4) .
Illustration 11 g00585389
11. Remove the retainer (13) and the rollers (14) from the drive end housing (4) .
Illustration 12 g00585396
12. Remove the return spring (15) from the solenoid (2) .
NOTICE
Do not use a liquid cleaning agent to clean the armature, field winding, or overrunning clutch. A liquid cleaning agent can damage the insulation in the armature and field windings. The liquid cleaning agent could also dissolve the grease in the overrunning clutch.
13. Clean the armature, the field winding and the overrunning clutch with mineral spirits and brush.
14. If the commutator is dirty, the commutator may be cleaned with "No. 00" sandpaper. Do not use emery cloth.
15. Inspect all parts for wear and damage.
Copyright 1993 - 2021 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees. Sat Apr 24 11:01:31 UTC+0530 2021
Product: COMPACT WHEEL LOADER
Model: 914G COMPACT WHEEL LOADER 9WM
Configuration: 914G Wheel Loader 9WM00001-01012 (MACHINE) POWERED BY 3054 Engine
Disassembly and Assembly
Air Conditioning and Heating R134a for All Caterpillar Machines
Air
Conditioner Lines - Remove and Install
SMCS - 1808-010
Personal injury can result from contact with refrigerant.
This system is under pressure at all times, even if the engine is not running. Heat should never be applied to a charged system.
Contact with refrigerant can cause frost bite. Keep face and hands away to help prevent injury.
Protective goggles must always be worn when refrigerant lines are opened, even if the gauges indicate the system is empty of refrigerant.
Always use caution when a fitting is removed. Slowly loosen the fitting. If the system is still under pressure, evacuate the system recovering the refrigerant before removing the fitting.
Personal injury or death can result from inhaling refrigerant through a lit cigarette.
Inhaling air conditioner refrigerant gas through a lit cigarette or other smoking method or inhaling fumes released from a flame contacting air conditioner refrigerant gas, can cause bodily harm or death.
Do not smoke when servicing air conditioners or wherever refrigerant gas may be present.
i05907621
Before any checks of the air conditioning and heating system are made, move the machine to a smooth horizontal surface. Lower all implements to the ground. Make sure the transmission is in neutral or park and that the parking brake is engaged. Keep all other personnel away from the machine or where they can be seen.
Personal injury can result from hot coolant. Any contact with hot coolant or with steam can cause severe burns. Allow cooling system components to cool before the cooling system is drained.
NOTICE
Never weld or solder any charged components.
Care must be taken during removal of air conditioner lines. Before disconnecting any tube fittings, refer to Testing and Adjusting, "Refrigerant Recovery" in order to recover all refrigerant from the system.
Place dust caps on all hoses and fittings upon disconnecting.
Do not fold or twist hoses when you are routing the new hoses onto the machine. Damage can occur to the inner layers of the hoses and damage can cause premature failure.
Reassemble fittings by using the correct torque values for assembly of the air conditioning unit. Refer to Specifications, SENR3130, "Torque Specifications" in order to find the correct torque value.
Use the following procedure to reassemble the connections.
Proper Technique for Assembly
Illustration 1 g01519272
1. Drip clean mineral oil onto the clean O-ring.
Illustration 2 g01519286
2. Place the O-ring on fitting.
Illustration 3
3. Oil the O-ring again.
Illustration 4
4. Align fittings and ensure that the seal is seated correctly. Hand tighten the fittings together.
Note: DO NOT CROSS THREAD.
g01519288
g01519290
5
5. Tighten the connection with proper torque. Use a wrench to avoid twisting parts.
Copyright 1993 - 2021 Caterpillar Inc. All Rights Reserved. Private Network For SIS Licensees.
Sat Apr 24 11:07:49 UTC+0530 2021
Product: COMPACT WHEEL LOADER
Model: 914G COMPACT WHEEL LOADER 9WM
Configuration: 914G Wheel Loader 9WM00001-01012 (MACHINE) POWERED BY 3054 Engine
Disassembly and Assembly
Air Conditioning and Heating R134a for All Caterpillar Machines
General
Information
SMCS - 1808; 7309
Refrigeration System
Personal injury can result from contact with refrigerant.
This system is under pressure at all times, even if the engine is not running. Heat should never be applied to a charged system.
Contact with refrigerant can cause frost bite. Keep face and hands away to help prevent injury.
Protective goggles must always be worn when refrigerant lines are opened, even if the gauges indicate the system is empty of refrigerant.
Always use caution when a fitting is removed. Slowly loosen the fitting. If the system is still under pressure, evacuate the system recovering the refrigerant before removing the fitting.
Personal injury or death can result from inhaling refrigerant through a lit cigarette.
Inhaling air conditioner refrigerant gas through a lit cigarette or other smoking method or inhaling fumes released from a flame contacting air conditioner refrigerant gas, can cause bodily harm or death.
i05907617
Do not smoke when servicing air conditioners or wherever refrigerant gas may be present.
Before any checks of the air conditioning and heating system are made, move the machine to a smooth horizontal surface. Lower all implements to the ground. Make sure the transmission is in neutral or park and that the parking brake is engaged. Keep all other personnel away from the machine or where they can be seen.
Personal injury can result from hot coolant. Any contact with hot coolant or with steam can cause severe burns. Allow cooling system components to cool before the cooling system is drained.
• All refrigerant lines that are metal or flexible hose must be free of sharp bends. Also, do not use a refrigerant line that is kinked. Sharp bends will cause a restriction in the refrigerant flow. Restrictions in the refrigerant lines are identified by cold spots or frost on the line at the location of the restriction. Restrictions in the lines reduce the performance and the efficiency of the system.
• The radius of bends in the flexible hose must never be less than ten times the outside diameter of the hose.
• Do not allow the flexible hoses to come within 63.5 mm (2.50 inch) of the exhaust manifold.
• The hoses need to be inspected yearly for leaks and for hardness. Conduct a leak test on all the hoses and the lines. Refer to the Testing and Adjusting, "Refrigerant Leakage - Test" section. Replace hoses if leaks or hardness are in the hoses. Replace hoses with new hose that is sealed and free of contaminants.
• The correct use of wrenches is important when connections are made. The type of wrench that is used is also important. Only use wrenches that are made for use with tube-type fittings. When a hose is connected or disconnected from the system, use a wrench on the fitting and use a wrench on the nut. When a metal line is connected or disconnected from the system, use a wrench on the fitting and use a wrench on the nut.
• Install protective plugs or protective caps on all components and hoses that are disconnected or removed.
• O-ring seals and O-ring seats must be in good condition. Small cuts, scratches, or particles of dirt will cause a leak in the system. Put new mineral oil (397-7507) on all new O-ring seals at the time of installation. Do not use any sealant on connections.
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