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 TM 55-1925-273-10-2
0140 00
Table 1. Preventive Maintenance Checks and Services Chart (continued)
ITEM INTERVAL MAN-
ITEM TO BE
PROCEDURE
EQUIPMENT
NO.
HOUR
CHECKED OR
NOT READY/
SERVICED
AVAILABLE IF:
SLIDING
HYDRAULIC
WATERTIGHT
DOOR
47
Monthly
0.2
Oil Level
Check oil level dipstick in expansion tank
Low oil level.
48
Monthly
0.2
Hydraulic Cylinder
Inspect hydraulic cylinder assembly for
Class III leaks exist.
Assembly
leaks and damage.
Unserviceable
damage.
49
Monthly
0.2
Control Valve
Inspect hydraulic control valve assembly
Class III leaks exist.
Assembly
for leaks and damage.
Unserviceable
damage.
50
Monthly
0.2
Tracks
a. Visually inspect tracks for secure
Tracks damaged or
mounting and damage.
not mounted
securely.
b. Lubricate the tracks with general
purpose grease (brush on).
51
Monthly
0.2
Rollers
Lubricate each roller with general purpose
grease from a grease gun.
52
Monthly
0.2
Local Hand Pump
Inspect local hand pump for secure
mounting and damage.
NOTE
Local hand pump may have to be
operated very fast to break door loose
when initially opened.
53
Monthly
0.2
Operation
Hand crank the door to the full OPEN/
Door will not open
CLOSED position.
and/or close fully
Sliding
Watertight
Control
Door
Track
Valve
Assembly
Bleeder
Valve
Hydraulic
Hand
Cylinder
Crank
Track
Rollers
0140 00-13
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