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 TM 55-1925-273-10-2
OPERATOR'S MANUAL
INLAND AND COASTAL LARGE TUG (LT)
PREVENTIVE MAINTENANCE CHECKS AND SERVICES INCLUDING LUBRICATION
ENGINE ROOM
Table 1. Preventive Maintenance Checks and Services Chart
ITEM INTERVAL MAN-
ITEM TO BE
PROCEDURE
EQUIPMENT
NO.
HOUR
CHECKED OR
NOT READY/
SERVICED
AVAILABLE IF:
ENGINE ROOM
WARNING
AND INTERIOR
STRUCTURES
Operate the ventilators to ensure that
hull compartments and engine room
are clear of fuel fumes. Operate the
blowers for at least 5 minutes before
starting any engine. Failure to comply
can result in injury or death.
1
Before
2.0
Inspect the engine room and interior
Engine room is taking
structures for leaks.
on water or Class III
leaks.
2
Before
1.0
LUBE OIL
a. Inspect the lubricating oil purifier for
PURIFIER
secure mountings and loose hardware.
! CAUTION
During operation, oil level must not be
below 1/2 full in sight glass or damage
will result.
b. Check that the oil level in the sight
glass is at least 2/3 full before
operating. Add oil (OE/HDO-30) as
required through the fill cap.
.
Lube Oil
Purifier
Drain
Fill Cap
Plug
Gear Oil
Level Sightglass
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