TM-9-2320-280-20-2
TRUCK, UTILITY: M998 SERIES
TECHNICAL MANUAL; UNIT MAINTENANCE; VOLUME 2 OF 3
JANUARY 1996
TM-9-2320-280-20-2 - Page 880 of 951
Clean all power steering pump components (refer to TM 9-2320-280-10).
NOTE
For general inspection instructions, refer to para. 2-5.
1.
Inspect external surface of flow control valve (12) for burrs, nicks, or damage. Inspect flow control
valve (12) bore and screen for damage or debris. Inspect valve spring (11) for damage. Replace both
flow control valve (12) and valve spring (11) if either is damaged.
2.
Inspect studs (10) for damage. Replace if damaged.
3.
Inspect fitting (14) for damage. Replace if damaged.
4.
Inspect reservoir filler cap (16) for damage. Replace if damaged.
5.
Inspect pump body (2) for damage. Replace power steering pump assembly (15) if pump body (2)
is damaged.
6.
Inspect pump shaft (8) for burrs, nicks, or damage. Replace pump assembly (15) if damaged.
1.
Install shaft seal (9) on pump shaft (8) and in pump body (2). Use care not to damage pump seal (9)
when installing on pump shaft (8).
2.
Install magnet (4) in pump body (2).
3.
Install O-ring seal (1) into control valve cavity and two O-ring seals (5) into threaded holes (3).
4.
Install O-ring seal (7) on pump body (2).
5.
Install reservoir (6) on pump body (2).
6.
Install two studs (10) on pump assembly (15). Tighten studs (10) to 26 lb-ft (35 N
•
m).
7.
Install valve spring (11) and flow control valve (12) in pump assembly (15).
8.
Install O-ring seal (13) and fitting (14) in pump assembly (15). Tighten fitting (14) in pump
assembly (15) to 37 lb-ft (50 N
•
m).
9.
Install reservoir filler cap (16) on pump assembly (15).
d. Assembly
c. Inspection
b. Cleaning
8-24.2. POWER STEERING PUMP REPAIR (Cont’d)
TM 9-2320-280-20-2
8-74.6
Change 3
2
3
1
3
4
5
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