TM-9-2350-311-34-2

CAB, ARMAMENT, SIGHTING AND FIRE CONTROL, ELEVATING AND TRAVERSING SYSTEMS AND ASSOCIATED COMPONENTS HOWITZER, MEDIUM, SELF-PROPELLED, 155MM

TECHNICAL MANUAL; DIRECT AND GENERAL SUPPORT MAINTENANCE MANUAL

SEPTEMBER 1994

TM-9-2350-311-34-2 - Page 422 of 552

TM 9-2350-311-34-2

9-5

OIL PUMP AND LINES -CONTINUED

c. Inspection

1

2

Measure inside diameter of roller (23). Replace if greater than 0.2540 inch (6.5 mm).

Measure outside diameter of stem of stem assembly (25). Replace if less than 0.3735 inch (9.5 mm).

3

Measure inside diameter of stem bore in oil pump body (18). Replace oil pump (8) if greater than 0.3755

inch (9.5 mm).

4

Measure inside diameter of plunger (26) bore in oil pump body (18). Replace oil pump (8) if greater than

0.9850 inch (25 mm).

5

Measure outside diameter of plunger (26). Replace if less than 0.9830 inch (25 mm).

6

7

8

Replace oil pump (8) if retaining plate (19) is fractured, cracked, or damaged.

Replace outlet tube (4) and inlet tube (9) if bent, crimped, cracked, or damaged.

Inspect collar assembly of elbow assembly (12) to be sure holes are clear. Blow low pressure air through

elbow assembly to remove all foreign matter. Replace if damaged or obstructed.

9-28

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