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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
SHAFT ALLEYS
Table 1. Preventive Maintenance Checks and Services Including Lubrication
ITEM INTERVAL MAN-
ITEM TO BE
PROCEDURE
EQUIPMENT
NO.
HOUR
CHECKED OR
NOT READY/
SERVICED
AVAILABLE IF:
1
Before
0.3
Inspect stern tube and bulkhead seals for
Shaft Seals
leaks. The maximum allowable leakage is
1 gal/min (3.79 L/min) when vessel
is underway. The maximum allowable
leakage is gal/min (1.89 L/min) with
the boot seal inflated.
2
Before
0.3
Starboard Propeller Inspect stern tube and bulkhead seals for
Shaft Seals
leaks. The maximum allowable leakage is
1 gal/min (3.79 L/min) when vessel is
underway. The maximum allowable leak-
age is gal/min (1.89 L/min) with the boot
seal inflated.
Shaft Seal Vent
Boot


 


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