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 LO 55-1905-223-12
LUBRICANT
INTERVAL
INTERVAL
LUBRICANT
Crankcase Oil
OE/HDO
Sump Pump
(Drain, Refill)
OC
(See Note 13)
250
(C)
Crankcase Oil
OE/HDO
Fill Cap
OC
OE/HDO
Engine Oil Filter
(C)
250
OC
(Remove, Clean,
250
Replace)
(See Note 12)
Crankcase Oil
OE/HDO
(C)
D
Level Gauge
(Check Level)
(See Note 15)
(C)
4BT 3.9GC EMERGENCY GENERATOR SET
TOTAL TASK-HOURS*
TOTAL TASK-HOURS*
INTERVAL
TASK-HOURS
INTERVAL
TASK-HOURS
OC or 250
1.0
D
0.1
-KEY-
EXPECTED TEMPERATURES
CAPACITY
INTERVALS
ALL TEMPERATURES
Lubricating oil,
OE/HDO
D-Daily
internal combustion
10 gallons
15W/40
(MIL-PRF-2104)
OC-On Condition
engine, tactical service
Notes:
12. Install filters, fill crankcase. Operate at idle and inspect for leaks. Shut off engine, and allow 5 minutes for oil to
drain to crankcase. Check oil level with dipstick.
13. Check crankcase level with engine shutdown.
14. A sample of oil shall be sent to an AOAP Laboratory for analysis at an interval of 100 hours or 90 days for Active Army
and 50 hours or 180 days for USAR/NG. Refer to TB 43-0211 for sampling requirements.
15. When AOAP Laboratory support is not available, drain and refill crankcase at 250 hours or 6 months.
Card 4 of 41
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