S 862-010
(2)
Remove the electrical power if it is not necessary
(AMM 24-22-00/201).
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A 737-300/400/500MAINTENANCE MANUAL
Spoiler Power Control Switches
Figure 201
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S 092-011
(3) Remove the ground lock assembly from the nose gear
(AMM 32-00-01/201).
TASK 27-61-00-862-012
3. Spoiler Hydraulic Systems A and B Depressurization
__________________________________________________
A. Special Tools and Equipment
(1)
Flight Control Lock Assembly - F80049 (2 Necessary)
B.
References
(1)
AMM 29-09-00/201, Hydraulic Reservoir Pressurization System
C.
Access
(1)
Location Zone
101, 102 Control Cabin
216, 217 Main Wheel Well
D.
Remove the Pressure from Spoiler Hydraulic Systems A and B
S 862-030
(1)
Set the FLT CONTROL SPOILER A and B switches on the forward overhead panel to the OFF position (Fig. 201).
S 862-014
(2)
Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a)
P6-2 Panel
1) SHUTOFF VALVES - SPOILER
S 862-015
(3)
Set the ELEC 2 HYD PUMPS A and the ELEC 1 HYD PUMPS B switches on the forward overhead panel to the OFF position.
S 862-016
(4)
Move the rudder pedals to release the pressure in the hydraulic system.
S 862-017
(5)
If you will remove hydraulic connections, make sure you release the pressure from the reservoirs for hydraulic systems A and B (AMM 29-09-00/201).
S 492-024
(6)
Install the flight control lock assemblies (Fig. 202).
(a)
Disconnect the electrical connectors from the spoiler control shutoff valve at the system A flight controls hydraulic module in the left wheel well.
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SEE A
LOCK F80049
SPOILER SHUTOFF FLIGHT CONTROL
VALVE SHUTOFF VALVE
FLIGHT CONTROL HYDRAULIC MODULE
A
Hydraulic Module Lock Installation
Figure 202
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A
737-300/400/500MAINTENANCE MANUAL
(b)
Disconnect the electrical connectors from the spoiler control shutoff valve at the system B flight controls hydraulic module in the right wheel well.
(c)
Make sure the manual override lever at the two spoiler control shutoff valves are in position 2 (OFF position).
(d)
Install a flight control lock assembly on each flight control shutoff valve and install the lockpins.
E.
Put the Airplane Back to Its Usual Condition
S 092-018
(1)
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本文链接地址：737-300 400 500 AMM 飞机维护手册 飞行操纵 FLIGHT CONTROLS 5(26)
