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 TM 55-1905-223-24-18-1
SYMPTOM INDEX - CONT
Troubleshooting
Procedure
ENGINE ROOM CONTROL STATION (Cont'd)
Item 135
No air pressure at port #2 when
station selector valve is in Engine
Room Position.
Item 136
Station selector valve still inopera-
tive.
FIRE PUMP PIPING SYSTEM
Item 237
Low discharge pressure
FOAM PROPORTIONERS (AFFF) PIPING SYSTEM
Item 234
AFFF system fails to energize when
manual control valve is opened
Item 235
AFFF system is energized but only
water is discharged
Item 236
No supply of AFFF concentrate
FRESH WATER COOLING PIPING SYSTEM
Item 222
Low discharge pressure
Item 223
No discharge pressure
FUEL OIL TRANSFER PIPING SYSTEM
Item 228
Low transfer pump discharge pressure
Item 229
Fuel oil fails to flow into tanks
d u r i n g filling operations
Item 231
Erroneous tank level indications
Item 230
Erratic receiving tank pressure
GEAR ACTUATOR
Item 179
Control lever in Neutral Standby. A i r
pressure at Ahead port of gear
actuator.
Stem 180
Control lever in Neutral Standby. Air
pressure at Astern port of gear
actuator.
Item 181
Control lever in Ahead Throttle
( I n i t i a l ) . No air pressure at Ahead
port of gear actuator.
Item 182
Control lever in Ahead Throttle
( I n i t i a l ) . Air pressure at Astern
port of gear actuator.
Item 183
Control lever in Ahead Throttle (After
Delay). No air pressure at Ahead
port of gear actuator.
Item 184
Control lever in Ahead Throttle (After
Delay). Air pressure at Astern port
of gear actuator.
2-101
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