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 TM 55-1905-242-14
DIRECT SUPPORT MAINTENANCE
FOR LANDING CRAFT, MECHANIZED (LCM-8) (ALL VESSELS WITH MOD 2 APPLICATION)
CRANE HYDRAULIC VALVES, HOSES, AND FITTINGS, REPAIR
INITIAL SETUP:
Tools and Special Tools:
Materials/Parts:
Tool Kit, Mechanic's Rail and Marine (Item 1,
Hydraulic Fluid (Item 1, Table 2, WP 0230 00)
Table 1, WP 0230 00)
Gloves, Chemical Protective (Item 3, Table 2, WP 0230 00)
Suitable Drain Pan
Goggles, Industrial, No Vents (Item 4, Table 2,
Equipment Condition:
References:
Propulsion engines secured, locked out, and
tagged out IAW FM 55-502
FM 55-502
Crane boom at rest in boom cradle or otherwise
supported to prevent unexpected movement
Personnel Required:
TM 55-1905-242-24P (WP 0100)
Two Watercraft Engineers, 88L
REMOVAL--SLEWING STOP VALVE
WARNING
Do not allow hydraulic fluid or cleaning solvent to come in contact with unprotected
skin or eyes. Prolonged skin contact can cause illness or injury. Eye contact can cause
serious injury. Always wear chemical protective gloves and goggles when handling
used hydraulic fluid and cleaning solvent. Failure to comply can result in illness, seri-
ous injury, or death.
Hydraulic hoses and lines may be under pressure. Relieve pressure by operating the
appropriate control valve if possible. Loosen fittings on hose lines slowly. Allow oil to
run around threads of fitting, releasing pressure before disconnecting fitting. Releasing
pressurized oil suddenly can cause serious injury or death.
1.
Don chemical protective gloves and goggles and position a suitable drain pan under the work area.
2.
Loosen, but do not remove, the hoses (1) and piping (2) at the slewing stop valve (3) in order to permit any residual
hydraulic fluid or pressure to drain from the system.
3.
Label and remove the hoses (1) and piping (2) from the slewing stop valve (3).
4.
Label and remove the fittings (4) from the slewing stop valve (3).
0192 00-1
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