S 796-120
(46) Do these steps to find the leakage of the feel computer for the elevator:
(a)
Open the No. 1 isolation valve (in the tail compartment).
(b)
Read the amperage or the flow value and write it on the data sheet for step 31.
S 976-121
(47) Put the FLT CONTROL A switch in the OFF position.
(a) Read the amperage or the flow value and write it on the data sheet for step 32.
S 796-122
(48) Do these steps to find the leakage of the left thrust reverser:
(a)
Extend the left thrust reverser (AMM 78-31-00/201).
(b)
Remove hydraulic power from system A (AMM 29-15-00/201).
(c)
Move the reverse thrust lever forward and down.
(d)
Wait at least 15 seconds but no more than 90 seconds and su pply hydraulic power to system A (AMM 29-15-00/201).
NOTE: The thrust reverser will not stow but the control
____ valve will be timed out and remain open.
(e) Wait 25 to 30 seconds and write the amperage or flow value on the data sheet for step 33.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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737-300/400/500MAINTENANCE MANUAL
(f) Cycle the thrust reverser to reset the control valve.
S 796-123
(49) AIRPLANES WITH ISOLATION VALVES FOR THE LANDING GEAR; Do these steps to find the leakage for the nose landing gear and the steering valve:
(a)
Put the LANDING GEAR handle in the DOWN position.
(b)
Read the amperage or the flow value and write it on the data sheet for step 34a.
S 796-124
(50) AIRPLANES WITHOUT ISOLATION VALVES FOR THE LANDING GEAR; Do these steps to find the leakage for the landing gear and the steering valve:
(a)
Put the LANDING GEAR handle in the DOWN position.
(b)
Read the amperage or the flow value and write it on the data sheet for step 34b.
S 796-127
(51) Do these steps to find the leakage for the left cylinder of the nose gear steering and the steering valve:
(a)
Turn the steering tiller until the nose landing gear is fully left.
(b)
Read the amperage or the flow value and write it on the data sheet for step 35.
S 796-128
(52) Do these steps to find the leakage for the right cylinder of the nose gear steering and the steering valve:
(a)
Turn the steering tiller until the nose landing gear is fully right.
(b)
Read the amperage or the flow value and write it on the data sheet for step 36.
(c)
Put the nose landing gear in its center position.
S 796-130
(53)
AIRPLANES WITH ISOLATION VALVES FOR THE LANDING GEAR; Do these steps to find the leakage for the main landing gear:
(a)
Open the No. 1 isolation valve (in the left wheel well) for the left main landing gear.
(b)
Read the amperage or the flow value and write it on the data sheet for step 37.
(c)
Open the No. 2 isolation valve (in the left wheel well) for the right main landing gear.
(d)
Read the amperage or the flow value and write it on the data sheet for step 38.
(54)
Push the key for INIT/REF (CDU key) to get out of BITE.
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