DISASSEMBLY - TM-55-1905-222-140412

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REPAIR RAMP HOIST HAND PUMP

TM-55-1905-222-14 Landing Craft Mechanized (LCM-8) (ROHR and Gunderson Models) (1905-01-284-2647 AND 1905-01-284-2648) Manual

INSPECTION

TM 55-1905-222-14

6-8

REPAIR RAMP HOIST HAND PUMP (Continued).

Remove pump barrel (11), and pump valve

block (12) as an assembly from block assembly

(13).

g. Remove valve spring seal washer (14) from

pump block. Discard seal washer.

h. Remove retaining ring (15), valve spring (16),

and check ball (17).

Remove pump barrel (11) from pump valve

block (12).

j. Remove pump valve ball (18), and pre formed

packing (19). Discard packing.

k. Remove pump piston (20), packings (21),

and reinforcing ring (22). Discard packing.

Place pump piston (20) in a vise with soft

jaws and unscrew clevis (23).

CLEANING

CLEAN ALL PARTS.

WARNING

Dry cleaning solvent, P-D-680, used to clean parts, is potentially dangerous to personnel

and property. Avoid repeated or prolonged skin contact. Do not use near open flame or

excessive heat. Flash point of solvent is 100 - 138F (38 59 ).

Clean all metal parts in solvent and

dry thoroughly

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