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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 ACCUMULATOR, SERVICE/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)
Gloves, Chemical Protective (Item 3, Table 2, WP 0230 00)
Suitable Drain Pan
Goggles, Industrial, No Vents (Item 4, Table 2,
Equipment Condition:
Sealant (Tape, Antiseizing) (Item 14, Table 2, WP 0230 00)
Propulsion engines secured, locked out,
References:
and tagged out IAW FM 55-502
All accumulators blown down
FM 55-502
Personnel Required:
TM 55-1905-242-24P (WP 0015)
Two Watercraft Engineers, 88L
REMOVAL
WARNING
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 may cause serious personal injury or death.
1.
Don chemical protective gloves and goggles.
2.
Open the accumulator gauge valves (1) and check the gauge (2) readings. The gauges should all read 0 lb/in (0 bar). If
the gauges do not read 0 lb/in (0 bar), bleed down the accumulators before proceeding with service and replacement.
3.
Position a suitable drain pan beneath the accumulator to be replaced.
4.
Label and remove the hydraulic lines (3) from the accumulator gauge valves (1) and the accumulator shutoff valves (4).
5.
Label and remove the accumulator gauge valves (1) and accumulator shutoff valves (4) from the accumulator (9).
NOTE
Cotter pins, lockwashers, locking nuts, and similar locking devices shall be discarded after removal and replaced with
new cotter pins, lockwashers, locking nuts and similar locking devices.
0087 00-1
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