(10)
Put the left air data computer to its usual condition.
S 865-036
(11)
Put the flap control lever in the 30-unit detent.
(a)
Make sure the flaps retract to the 30-unit position.
S 725-037
(12) AIRPLANES WITH A TOGGLE SWITCH; Move and hold the flap load limiter test switch on the equipment bay light panel to the SYSTEM TEST position.
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737-300/400/500MAINTENANCE MANUAL
S 725-038
(13)
AIRPLANES WITH A PUSH BUTTON SWITCH; Push and hold the flap load limiter SYSTEM TEST switch on the equipment bay light panel.
(a)
Make sure the test light comes on.
(b)
Make sure the flaps do not retract.
S 725-040
(14)
Push the GROUND SENSING test switch on the E11 landing gear logic shelf to simulate the air mode.
(a)
Make sure the test light is off.
D.
Put the Airplane Back to Its Usual Condition
S 865-041
(1)
Put the flap control lever in the UP detent to retract the flaps.
S 865-042
(2)
Do this task: "Hydraulic System B Depressurization"
(Ref 27-51-00/201).
(3)
Do this task: "Remove Electrical Power" (Ref 24-22-00/201).
S 865-043
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TRAILING EDGE FLAP CONTROL VALVE - REPAIRS
__________________________________________
1. General_______
A. There is one task in this procedure; A repair of the trailing edge flap control valve (referred to as the control valve).
B. You can use this procedure if there is too much internal leakage in the control valve. You can use this procedure to reduce the leakage in the control valve by approximately one-half. It is not necessary to remove the control valve from the airplane to do this task.
TASK 27-51-79-368-001
2. Trailing Edge Flap Control Valve Internal Leakage Repair________________________________________________________
A. Special Tools and Equipment
(1) Rig Pin (F-1) - 0.311 +0.000/ -0.002 inch diameter, 3.40 |0.06 inches long (MS20392-4)
NOTE: The rig pin is a part of the kit F70207-69, -78, or -83.
____
B. References
(1)
27-51-00/201, Trailing Edge Flap Systems
(2)
27-51-79/501, Trailing Edge Flap Control Valve
C.
Access
(1)
Location Zone
217 Right Main Wheel Well
D.
Procedure
S 868-002
(1)
Do this task: "Hydraulic System B Pressurization" (Ref 27-51-00/201).
S 868-003
(2)
Put the flap control lever in the 40-unit detent to extend the flaps.
S 868-004
(3)
Do this task: "Hydraulic System B Depressurization" (Ref 27-51-00/201).
(4)
Put the flap control lever in the UP detent.
S 988-005
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A 737-300/400/500MAINTENANCE MANUAL
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