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 TM 55-1905-223-24-18-1
Troubleshooting - CONT
Table 2-2.
Malfunction
Test or Inspection
Corrective Action
GEAR ACTUATOR- CONT
Air pressure at Astern port of gear
180. Control lever in Neutral Stand-By.
actuator.
STEP 1. Check for defective shuttle valve.
Replace shuttle valve, para. 2-119.
STEP 2. Check for defective three-way valve.
Repair/replace three-way valve, para. 2-119.
STEP 3. Check for defective directional control rotary valve.
Repair/replace directional control rotary valve, para. 2-117.
No air pressure at Ahead port of
181. Control lever in Ahead Throttle (Initial).
gear actuator.
STEP 1. Check for defective three-way valve.
Repair/Replace three-way valve, para. 2-119.
STEP 2. Check for defective shuttle valve.
Replace shuttle valve, para. 2-119.
STEP 3. Check for defective directional control rotary valve.
Repair/replace directional control rotary valve, para. 2-117.
Refer to Malfunction 75, STEPS 2 thru 8.
STEP 4.
Air pressure at Astern port of gear
182. Control lever in Ahead Throttle (Initial).
actuator.
Refer to Halfunction 180, STEPS 1 thru 3.
STEP 1.
No air pressure at Ahead port
183. Control lever in Ahead Throttle (After Delay).
of gear actuator.
Refer to Malfunction 181, STEPS 1 thru 4.
STEP 1.
Air pressure at Astern port of
184. Control lever in Ahead Throttle (After Delay).
gear actuator.
Refer to Malfunction 180, STEPS 1 thru 3.
STEP 1.
2-152
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