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 TM 55-1905-223-24-18-1
Troubleshooting - CONT
Table 2-2.
Malfunction
Test or Inspection
Corrective Action
PILOTHOUSE CONTROL STATION - CONT
76. Air pressure at ahead (port #1) with control lever in Neutral Stand-By position.
STEP 1. Check for defective directional control rotary valve.
Repair/replace directional control rotary valve, para. 2-117.
77. Air pressure at astern (port #3) with control lever in Neutral Stand-By
position.
STEP 1. Check for defective directional control rotary valve.
Repair/Replace directional control rotary valve, para. 2-117.
78. No air pressure at inlet regulator with control lever in Neutral Stand-By
position.
STEP 1.
Refer to Malfunction 75, STEPS 1 thru 8.
79. Air pressure at out regulator with control lever in Neutral Stand-By position.
STEP 1. Check for defective directional control rotary valve.
Repair/Replace direction control rotary valve, para. 2-117.
80. No air pressure at inlet (supply port #2) with control lever in Ahead Throttle
( I n i t i a l ) . Lever at least 20 in the Ahead Position from center.
Refer to Malfunction 75, STEPS 1 thru 8.
STEP 1.
81. No air pressure at ahead (port #1) with control lever in Ahead Throttle
( I n i t i a l ) . Lever at least 20 in the Ahead Position from Center.
STEP 1. Check for defective directional control rotary valve
Repair/replace directional control rotary valve, para. 2-117.
82. Air pressure at astern (port #3) with control lever in Ahead Throttle (Initial).
Lever at least 20 in the Ahead Position from Center.
STEP 1. Check for defective directional control rotary valve.
Repair/Replace directional control rotary valve, para. 2-117.
83. No air pressure at inlet regulator with control lever in Ahead Throttle
(Initial).
Refer to Malfunction 75, STEPS 1 thru 8.
STEP 1.
2-136
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