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 TM 55-1905-242-14
OPERATOR MAINTENANCE
FOR LANDING CRAFT, MECHANIZED (LCM-8) (ALL VESSELS WITH MOD 2 APPLICATION)
OPERATOR TROUBLESHOOTING PROCEDURES
HYDRAULIC STARTING SYSTEM
INITIAL SETUP:
Personnel Required:
References:
One Watercraft Engineer, 88L
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Accumulator pressure low. 1.
Check accumulator precharge pressure
If accumulator precharge
pressure is too low, notify
unit maintenance.
2.
Check for signs of hydraulic oil leakage.
Repair leakage or notify
unit maintenance.
2. Hydraulic starting hand
1.
Check to see if the accumulator valves are
OPEN the accumulator
pump fails to charge the
CLOSED.
valves.
system.
2.
Check to see if the isolation valve is CLOSED
OPEN the isolation valve.
(when trying to charge the port accumulators).
3.
Check to see if the blowdown valve is OPEN.
CLOSE the blowdown valve.
4.
Check the reservoir oil level.
Replenish the reservoir if the
level is low.
5.
Check for ruptured/leaking hoses and lines.
Replace the defective hose
or line, or notify unit main-
tenance.
3. Propulsion engine crank-
1.
Check that the proper oil is in use in the engine
Change oil to proper grade.
ing speed is too slow.
and in the hydraulic system (refer to
2.
Check that the inlet line between accumulators
Repair line or notify unit
and the starter are not kinked or obstructed.
maintenance.
3.
Check accumulator pressure.
Charge accumulators as
necessary.
4. Propulsion engine fails to
1.
Check the accumulator pressure.
Charge accumulators as
crank from the manual
necessary.
override.
2.
Check that the accumulator valves are OPEN.
OPEN the accumulator
valves.
0038 00-1
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