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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:
89
Monthly
0.3
STEERING GEAR
Inspect pump for secure mounting and
Class III leaks;
EMERGENCY
leaks. Observe hand pump for smooth
not securely
HAND PUMP
operation.
mounted. Pump
does not operate
smoothly.
STEERING
HYDRAULIC
POWER PACK
90
Monthly
0.2
Hydraulic Pump
Operate power pack in all modes and
Unit fails to operate.
Unit
check for leaks. Check fluid level in main
deck fan room (WP 0147 00).
91
Monthly
0.2
Rudder
Rudder operates full port to starboard.
Rudder fails to
Lube rudder shafts (WP 0145 00).
operate.
92
Monthly
0.2
Gauges
Check gauges for damage and
Gauges fail to
proper operation.
operate.
93
Monthly
0.5
STEERING
Inspect motor controller for obvious
Motor controllers
HYDRAULIC
damage or missing or broken switches.
fail to operate.
POWER PACK
Obvious damage
MOTOR
or missing or
CONTROLLERS
broken switches.
Hydraulic
Accumulator
Rudder Angle Indicator
Steering Hydraulic Power
Pack Motor Controllers
330
34
0
3
2
1
Steering Gear
Emergency Hand Pump
3
2
1
Pressure Gauge
30 35
25
40
20
45
15
50
10
55
5
0
60
Steering Hydraulic
Power Pack
0141 00-24
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