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 343 of 552

TM 9-2350-311-34-2

b. Inspection

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Inspect ball bearing (18) (TM 9-214).

Replace sleeve spacer (21) if outside diameter is less than 0.871 inch (22 mm) or inside diameter is greater

than 0.38 inch (10 mm).

Inspect block assembly (15). Replace block assembly if any cylinder bore inside diameter is greater than

0.501 inch (13 mm).

Inspect eight pistons (14). Replace block assembly (15) if any piston outside diameter is more than 0.001

inch (0.025 mm) less than its respective numbered piston bore inside diameter. (Example: If piston bore is

0.500 inch (12.7 mm), then outside diameter must be between 0.499 and 0.4999 inch (12.67 and 12.697

mm)).

Inspect access cover (3) and hand pump housing (7). Replace if cracked, distorted, or damaged.

Inspect cover retainer (25). Replace if inside diameter is less than 1.387 inches (3.523 cm).

Inspect pump shouldered shaft (26). Replace if outside diameter is less than 0.668 inch (17 mm).

Inspect sleeve spacer (30). Replace if outside diameter is less than 1.37 inches (3.48 cm) or inside diameter

is greater than 0.673 inch (17 mm).

Inspect ball bearing (31) (TM 9-214).

Inspect spring retainer (32). Replace if inside diameter is greater than 1.57 inches (3.99 cm).

Inspect ball bearing (33) (TM 9-214).

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