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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
Control lever in Neutral (Astern Delay Mode). Air pressure at port #2 of
156.
three-way valve. Red pin on valve #1 down or extended.
STEP 1. Refer to Malfunction 145, STEPS 1 and 2.
Control lever in Neutral (Astern Delay Mode). Air pressure at port #3 of
157.
three-way valve. Red pin on valve #1 down or extended.
STEP 1. Refer to Malfunction 145, STEPS 1 and 2.
Control lever in Neutral (Astern Delay Mode). Air pressure at port #4 of
158.
three-way valve. Red pin on valve #2 up or retracted.
STEP 1. Refer to Malfunction 145, STEPS 1 and 2.
Control lever in Neutral (Astern Delay Mode). Air pressure at port #5 of
159.
three-way valve. Red pin on valve #2 up or retracted.
STEP 1. Check for defective three-way valve.
Replace three-way valve, para. 2-119.
STEP 2. Check for defective directional control rotary valve.
Replace/repair directional control rotary valve, para. 2-117.
160. Control lever in Neutral (Astern Delay Mode). Air pressure at port #6 of
three-way valve. Red pin on valve #2 up or retracted.
STEP 1. Refer to Malfunction 159, STEPS 1 and 2.
161. Control lever in Astern Throttle (Initial). Air pressure at port #1 of three-
way valve. Red pin on valve #1 up or retracted.
STEP 1. Repair/replace engine room control station, para. 2-117.
162. Control lever in Astern Throttle (Initial). No air pressure at port #2 of
three-way valve. Red pin on valve #1 up or retracted.
STEP 1. Check for defective shuttle valve.
Replace shuttle valve, para. 2-119.
STEP 2. Check for defective directional control rotary valve.
Repair/replace directional control rotary valve.
STEP 3. Refer to Malfunction 75, STEPS 1 thru 8.
2-148
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