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 TM 55-1905-223-24-18-1
Malfunction
Test or Inspection
Corrective Action
PILOTHOUSE CONTROL STATION - CONT
84. No air pressure at out regulator with control lever in Ahead Throttle (Initial).
Lever at least 20 in the Ahead Position from Center.
Refer to Malfunction 75, STEPS 1 thru 8 and Malfunction 79, STEP 1.
STEP 1.
85. No air pressure at inlet (supply port #2) with control lever in Ahead Throttle.
Lever at least 20 in the Ahead Position from Center.
Refer to Malfunction 75, STEPS 1 thru 8.
STEP 1.
86. No air pressure at ahead (port #1) with control lever in Ahead Throttle. Lever
at least 20 in the Ahead Position from Center.
STEP 1. Check for defective directional control rotary valve.
Repair/Replace direction control rotary valve, para. 2-117.
87. Air pressure at astern (port #3) with control lever in Ahead Throttle. Lever at
least 20 in the Ahead Position from Center.
STEP 1. Check for defective directional control rotary valve.
Replace/Repair directional control rotary valve, para. 2-117.
Lever
88. No air pressure at inlet regulator with control lever in Ahead Throttle.
at least 20 in the Ahead Position from Center.
Refer to Malfunction 75, STEPS 1 thru 8.
STEP 1.
Lever at
89. No air pressure at out regulator with control lever in Ahead Throttle.
least 20 in the Ahead Position from Center.
Refer to Malfunction 75, STEPS 1 thru 8 and Malfunction 78, STEP 1.
STEP 1.
90. Air pressure at ahead (port #1) with control lever in Neutral-Astern Delay.
STEP 1. Check for defective directional control rotary valve.
Repair/replace directional control rotary valve, para. 2-117.
91. Air pressure at astern (port #3) with control lever in Neutral-Astern Delay.
STEP 1. Check for defective directional control rotary valve.
Repair/Replace directional control rotary valve, para. 2-117.
92. No air pressure at inlet regulator with control lever in Neutral-Astern Delay.
Refer to Malfunction 75 STEPS 1 thru 8.
STEP 1.
2-137
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