CLEANING - TM-55-1905-222-140407

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DISASSEMBLY

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

ASSEMBLY

TM 55-1905-222-14

6-7

REPAIR RAMP HOIST CONTROL VALVE (Continued).

CLEANING

INSPECT RAMP HOIST CONTROL

VALVE

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 1000 138F (38 59C).

a. Clean control valve parts. In mineral oil solvent,

and place on a clean surface.

b. Clean control lever parts In cleaning solvent

Federal Specification P-D- 680, and dry

thoroughly.

INSPECTION

INSPECT CONTROL VALVE PARTS

a. Inspect springs for loss of tension or distortion.

b. Inspect spool for nicks, burrs, or scores.

c. Inspect threaded parts for thread damage.

d. Inspect end caps and plates for burrs, nicks,

or other damage.

e. Inspect sealing surfacesof valve bodies, and

sections for scores, burrs, or warpage.

Inspect poppets for burrs or nicks.

Replace packings.

Replace all defective threaded parts.

6-27