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 TM 55-1925-273-10-2
0141 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:
! CAUTION
20
Before
1.1
SLIDING
HYDRAULIC
Do not operate door with pressure shutoff
WATERTIGHT
valves closed as this will back-pressure
DOOR
the local hand pump and cause the seals to
rupture.
NOTE
Local hand pump may have to be operated
very fast to break door loose when
initially opened.
21
Before
1.1
Operate hand crank-operated door to full
Door will not open
open/closed position. Check oil level in
and/or close fully.
reservoir (WP 0148 00).
Sliding
Control
Watertight
Valve
Door
Track
Assembly
Bleeder
Valve
Hydraulic
Hand
Cylinder
Crank
Track
Rollers
0141 00-7
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