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 TM 55-1905-223-24-18-1
Troubleshooting - CONT
Table 2-2.
Malfunction
Test or Inspection
Corrective Action
GEAR MATE CONTROL SYSTEM - CONT
145. Control lever in Ahead Throttle (Initial). Air pressure at port #3 of three-
way valve. Red pin on valve #1 down or extended.
STEP 1, Check adjustment of valves.
Adjust valves, para. 2-117.
STEP 2. Check for defective directional control rotary valve.
Repair/replace directional control rotary valve, 2-117.
146. Control lever in Ahead Throttle (Initial). No air pressure at port #4 of
three-way valve. Red pin on valve #2 up or retracted.
STEP 1. Check valves, para. 2-119.
Adjust valves, para. 2-119.
STEP 2. Check for defective three-way valve.
Repair/replace three-way valve, pare. 2-119.
STEP 3. Check for defective directional control rotary valve.
Repair/replace directional control rotary valve, pare. 2-117.
STEP 4. Refer to Malfunction 75, STEPS 2 thru 8.
147. Control lever in Ahead Throttle (Initial). No air pressure at port #5 of
three-way valve. Red pin on valve #2 up or retracted.
STEP 1. Refer to Malfunction 146, STEPS 1 and 2.
148. Control lever in Ahead Throttle (Initial). Air pressure at port #6 of three-
way valve. Red pin on valve #2 up or retracted.
STEP 1. Check adjustment of valves.
Adjust valves, para. 2-119.
STEP 2. Check for defective three-way valve.
Repair/replace three-way valve, pare. 2-119.
2-146
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