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 TM 55-1905-242-14
UNIT MAINTENANCE
FOR LANDING CRAFT, MECHANIZED (LCM-8) (ALL VESSELS WITH MOD 2 APPLICATION)
STARTING HYDRAULIC SYSTEM HAND PUMP, REPLACE
INITIAL SETUP:
Tools and Special Tools:
Materials/Parts:
Tool Kit, Mechanic's Rail and Marine
Hydraulic Fluid (Item 1, Table 2, WP 0230 00)
(Item 1, Table 1, WP 0230 00)
Cleaning Solvent MIL-PRF-680 (Item 2, Table 2,
Suitable Drain Pan
Gloves, Chemical Protective (Item 3, Table 2, WP 0230 00)
Equipment Condition:
Goggles, Industrial, No Vents (Item 4, Table 2,
Propulsion engines secured, locked out,
and tagged out IAW FM 55-502
Rag, Wiping (Item 5, Table 2, WP 0230 00)
All accumulators blown down
References:
Personnel Required:
FM 55-502
Two Watercraft Engineers, 88L
TM 55-1905-242-24P (WP 0019)
REMOVAL
WARNING
Cleaning solvent is flammable and its vapor is potentially explosive. Do not use clean-
ing solvent in the vicinity of spark, open flame, or excessive heat. Do not use cleaning
solvent in unventilated spaces. Failure to comply can result in serious injury or death.
Do not allow used hydraulic fluid or cleaning solvent to come in contact with unpro-
tected 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 han-
dling used hydraulic fluid and cleaning solvent. Failure to comply can result in illness,
serious 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, one or more of the hydraulic lines (1) to allow any residual pressure and fluid to drain from
the system.
3.
Use cleaning solvent and wiping rags to clean all dirt and contamination from the work area. This will prevent contami-
nation of the system when the pump is removed.
4.
Label all the hydraulic lines (1) and disconnect them from the tees (2 and 4).
0090 00-1
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