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 spoiler control shutoff valve and install the lockpins.
E.
Put the Airplane Back to Its Usual Condition
S 092-019
(1)
Remove the flight control lock assemblies from the spoiler control shutoff valves.
S 432-020
(2)
Connect the electrical connectors to the spoiler control shutoff valves.
S 862-021
(3)
Set the FLT CONTROL SPOILER A and B switches on the forward overhead panel to the ON position.
S 862-022
(4)
Remove the DO-NOT-CLOSE tags and close these circuit breakers:
(a)
P6-2 Circuit Breakers Panel
1) SHUTOFF VALVES - SPOILER
S 862-023
(5) Pressurize the hydraulic reservoirs if it is necessary
(AMM 29-09-00/201).
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737-300/400/500MAINTENANCE MANUAL
SPEED BRAKE CONTROL SYSTEM - ADJUSTMENT/TEST
____________________________________________
1. General
_______
A. There are four tasks in this procedure. The procedure contains these tasks:
(1)
The operation test of the speed brake control system
(2)
The adjustment of the speed brake control system
(3)
The system test of the speed brake control system
(4)
The refused takeoff (RTO) test of the speed brake control system.
B.
The speed brake control system gives a signal to the spoiler mixer and controls system A hydraulic power to the ground spoiler actuators.
TASK 27-62-00-715-001
2. Speed Brake Control System Operational Test
___________________________________________
A. General
(1)
You can use this test to quickly give the status of the speed brake control system. You can use this test without special tools or equipment.
(2)
Before you do the adjustment or the test of the speed brake control system, you must make sure these systems are serviceable:
(a)
The aileron control system (AMM 27-11-00/501).
(b)
The trailing edge flaps (AMM 27-51-00/501).
(3)
During the procedure, unless otherwise noted, the weight of the airplane must be on the landing gear. The ground spoiler interlock valve must be open which will permit the operation of the ground spoilers.
B.
References
(1)
27-62-00/201, Speed Brake Control System
C.
Access
(1)
Location Zone
101, 102 Control Cabin
D.
Procedure ú ú S 865-065 ú ú
WARNING:_______MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF ALL CONTROL ú SURFACES BEFORE YOU SUPPLY HYDRAULIC POWER. AILERONS, RUDDERS, ú ELEVATORS, FLAPS, SLATS, SPOILERS, LANDING GEAR, AND THRUST ú REVERSERS CAN MOVE QUICKLY WHEN YOU SUPPLY HYDRAULIC POWER. ú THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT. ú
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