TM-9-2320-272-24-2
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 2 OF 4
JUNE 1998
TM-9-2320-272-24-2 - Page 66 of 991
TM 9-2320-272-24-2
3-237. POWER STEERING PUMP FILTER AND RESERVOIR (M939A2) MAINTENANCE
THIS TASK COVERS:
a. Filter Removal
d. Reservoir Installation
b. Reservoir Removal
e. Filter Installation
c. Cleaning
INITIAL SETUP:
APPLICABLE MODELS
REFERENCES (TM)
M939A2
LO 9-2320-272-12
TOOLS
TM 9-2320-272-10
General mechanic’s tool kit (Appendix E, Item 1)
TM 9-2320-272-24P
EQUIPMENT CONDITION
MATERIALS/PARTS
• Parking brake set (TM 9-2320-272-10).
Filter element kit (Appendix D, Item 123)
• Hood raised and secured (TM 9-2320-272-10).
Crocus cloth (Appendix C, Item 20)
• Left splash shield removed (TM 9-2320-272-10).
NOTE
Have container ready to catch hydraulic fluid.
a. Filter Removal
1.
Loosen clamp (17) and remove hose (18) from tube (16).
2.
Remove wing nut (4), washer (5), gasket (3), lid (2), and gasket (1) from stud (6) and reservoir (12).
Discard gaskets (3) and (1).
3.
Remove spring (21), filter cap (20), filter (19), and packing (7) from stud (6) and reservoir (12).
Discard filter (19) and packing (7).
b. Reservoir Removal
1.
Remove stud (6) and valve (8) from plate (11).
2.
Remove two screws (9), lockwashers (10), plate (11), and reservoir (12) from power steering
pump (15). Discard lockwashers (10).
3.
Remove gaskets (13) and (14) from power steering pump (15). Discard gaskets (13) and (14).
c. Cleaning
Clean inside of reservoir (12) with crocus cloth.
d. Reservoir Installation
1.
Install new gaskets (13) and (14) on power steering pump (15).
2.
Install reservoir (12) and plate (11) on power steering pump (15) with two new lockwashers (10) and
screws (9).
3.
Install valve (8) and stud (6) on plate (11).
e. Filter Installation
1.
Install new packing (7), new filter (19), filter cap (20), and spring (21) on stud (6) and reservoir (12).
2.
Install new gasket (1), lid (2), and new gasket (3) on stud (6) and reservoir (12) with washer (5) and
wing nut (4).
3.
Install hose (18) on tube (16) with clamp (17).
3-674
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