27-09-45
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
(e)
Set the ALTERNATE FLAPS position switch to UP.
1) Make sure that the leading edge flaps and slats operate satisfatory.
(f)
Set the ALTERNATE FLAPS arm switch to OFF. 1) Make sure that the leading edge flaps and slats fully
retract. 2) Make sure that the trailing edge flaps fully retract.
(g)
Set the FLT CONTROL B switch to OFF.
(h)
Set the ALTERNATE FLAPS arm switch to ARM. 1) Make sure that the STANDBY HYD - LOW PRESSURE light comes
on momentarily, then goes off. 2) Make sure that the flaps and slats do not extend.
(i)
Set the ALTERNATE FLAPS arm switch to OFF.
(j)
Set the FLT CONTROL B switch to ON.
S 864-016
(12)
Remove electrical power if it is not necessary (AMM 24-22-00/201).
(13)
Remove hydraulic power if it is not necessary (AMM 29-15-00/201).
S 864-018
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
COMPENSATOR CARTRIDGE - REMOVAL/INSTALLATION
____________________________________________
1. General
_______
A. This procedure contains two tasks. There is one task for the removal and one task for the installation of the compensator cartridge.
B. The compensator cartridge is a part of the flight controls modular package. The modular package for hyraulic system A is found in the left main wheel well. The modular package for hydraulic system B is found in the right main wheel well.
TASK 27-09-51-004-026
2. Compensator Cartridge Removal
_____________________________
A. References
(1)
AMM 29-09-00/201, Hydraulic Reservoir Pressurization System
(2)
AMM 29-15-00/201, Hydraulic Systems A, B, and Standby
B.
Access
(1)
Location Zones
101/102 Control Cabin - Left/Right
216/217 Left/Right Main Wheel Well
C.
Prepare for Removal
S 864-002
(1)
Do this task to depressurize hydraulic systems A and B: "Hydraulic System A, B or Standby Depressurization" (AMM 29-15-00/201).
S 864-003
(2)
Do this task to depressurize hydraulic system A and B reservoirs: "Hydraulic Reservoirs Depressurization" (AMM 29-09-00/201).
D.
Procedure
S 024-029
(1)
Remove the compensator cartridge (Fig. 401):
(a)
Remove the compensator cartridge from the modular package.
(b)
Use a container to catch hydraulic fluid that drains from the compensator cartridge and the flight controls modular package.
(c)
Put a cover on the modular package housing to keep (unwanted) material out of the open port in the modular package housing.
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