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 TM 55-1905-223-24-18-1
Table 2-2.
Troubleshooting - CONT
Malfunction
Test or Inspection
Corrective Action
PILOTHOUSE CONTROL STATION - CONT
101. No air pressure at astern (port #3) with control lever in Astern Throttle.
Lever at least 20 in the Astern Position from Center.
STEP 1. Check for defective directional control rotary valve.
Repair/Replace direction control rotary valve, para. 2-117.
102. No air pressure at inlet regulator with control lever in Astern Throttle.
Lever at least 20 in the Astern Position from Center.
STEP 1. Refer to Malfunction 75, STEPS 1 thru 8.
103. No air pressure at out regulator with control lever in Astern Throttle. Lever
at least 20 in the Astern Position from Center.
STEP 1. Refer to Malfunction 75, STEPS 1 thru 8 and Malfunction 79, STEP 1.
ENGINE ROOM CONTROL STATION
NOTE
Refer to Figure 2-1 and Table 2-3 for normal
indications.
104. No air pressure at inlet (supply port #2) when control lever in Neutral Stand-
By.
STEP 1. Check for defective venturi meter.
Replace venturi meter, para. 2-117.
STEP 2. Refer to Malfunction 75, STEPS 2 thru 8.
105. Air pressure at ahead (port #1) when control lever in Neutral Stand-By.
STEP 1. Repair/replace engine room control station, para. 2-118.
106. Air pressure at astern (port #3) when control lever in Neutral Stand-By.
STEP 1. Refer to Malfunction 103, STEP 1 and Malfunction 104, STEP 1.
107. No air pressure at inlet regulator when control lever in Neutral Stand-By.
STEP 1. Refer to Malfunction 104, STEPS 1 and 2.
2-139
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