TM 9-2320-272-24-3
4-126. POWER STEERING PUMP AND RESERVOIR (M939/A1) REPAIR
THIS TASK COVERS:
d. Assembly
a. Removal
e. Installation
b. Disassembly
c. Cleaning and Inspection
INITIAL SETUP:
APPLICABLE MODELS
MATERIALS/PARTS (Contd)
Drycleaning solvent (Appendix C, Item 71)
M939/A1
Cap and plug set (Appendix C, Item 14)
TOOLS
Rag (Appendix C, Item 58)
General mechanic's tool kit (Appendix E, Item 1)
REFERENCES (TM)
Torque wrench (Appendix E, Item 144)
Mechanical puller kit (Appendix E, Item 102)
TM 9-2320-272-10
TM 9-2320-272-24P
Vise
EQUIPMENT DESCRIPTION
MATERIALS/PARTS
Parking brake set (TM 9-2320-272-10).
Power steering filter kit (Appendix D, Item 522)
Left splash shield removed (para. 3-301).
Springtite assembly (Appendix D, Item 675)
GENERAL SAFETY INSTRUCTIONS
Locknut (Appendix D, Item 327)
Adapter assembly (Appendix D, Item 2)
Drycleaning solvent is flammable and toxic. Do not
Woodruff key (Appendix D, Item 727)
use near an open flame.
a. Removal
CAUTION
Cap or plug all openings after disconnecting lines and hoses to
equipment.
NOTE
Have drainage container ready to catch hydraulic oil.
Plug or cap all hoses.
1.
Loosen clamp (16) and disconnect oil return hose (15) from inlet tube (1).
2.
Disconnect power steering pressure hose (14) from outlet adapter (13).
3.
Remove locknut (8), screw (12), two washers (9), and adjusting link (11) from power steering pump
bracket (6). Discard locknut (8).
4.
Remove two screws (3), lockwashers (4), and washers (5) from power steering pump bracket (6).
5.
Remove two drivebelts (10) from pulley (17).
6.
Remove power steering pump bracket (6) and power steering pump (2) from engine bracket (7).
b. Disassembly
1.
Place power steering pump bracket (6) and power steering pump (2) in vise.
2.
Remove springtite screw (28) and washer (29) from shaft (32). Discard springtite screw (28).
3.
Using mechanical puller, remove pump pulley (17) from shaft (32).
4.
Remove woodruff key (27) from shaft (32). Discard woodruff key (27).
5.
Remove reservoir cap and hook chain (18) from reservoir (20).
4-670