TASK 27-09-51-404-027
 3.  Compensator Cartridge Installation
__________________________________
 A.  Consumable Materials
 (1)  
D00288 Lubricant, Skydrol Assembly - MCS 352

 (2)  
D00148 Fluid-Hydraulic, BMS 3-11, Type IV, Class 1

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
SEE A
FLIGHT CONTROLS 
HYDRAULIC 
MODULAR UNIT 
LOCKWIRE 
COMPENSATOR 
CARTRIDGE 
A 
Compensator Cartridge Installation 
Figure 401 

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
 B.
C.
D.
A
737-300/400/500MAINTENANCE MANUAL
References
 (1)  
AMM 12-12-00/301, Hydraulic Reservoir

 (2)  
AMM 24-22-00/201, Manual Control

 (3)  
AMM 29-09-00/201, Hydraulic Reservoir Pressurization System

 (4)
AMM 29-15-00/201, Hydraulic Systems A, B, and StandbyAccess

 (1)  
Location Zones 101/102 Control Cabin - Left/Right 216/217 Left/Right Main Wheel Well

Install the Compensator Cartridge
 S 644-009
 (1)  
Lubricate the compensator cartridge O-rings with hydraulic fluid or assembly lubricant.

 S 424-030

 (2)  
Install the compensator cartridge (Fig. 401):

 (a)  
Install the O-rings on the compensator cartridge.

 (b)  
Carefully set the valve into the valve hole of the modular package housing.

 (c)  
Install the compensator cartridge on the modular package.

 (d)  
Tighten the compensator cartridge by hand.

 (e)  
Install the lockwire.

 S 864-014
 (3)  
Do this task: "Hydraulic Reservoir Pressurization" (AMM 29-09-00/201).

 S 864-015

 (4)  
Do this task to pressurize hydraulic systems A and B: "Hydraulic System A, B or Standby Pressurization" (AMM 29-15-00/201).

 (5)  
Do this task: "Supply Electrical Power" (AMM 24-22-00/201).

 S 214-031

 (6)  
Make sure that the applicable FLT CONTROL switch on the flight controls panel, P5-3, is set to the ON position.

 S 874-032

 (7)  
Operate the aileron control wheel, control column, and rudder pedals to bleed the hydraulic system.

 S 864-016
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 794-033
 (8)  
Make sure there is no leakage of hydraulic fluid at the compnesator cartridge.

 E.
Put the Airplane Back to Its Usual Condition

 S 864-023
 (1)  
Do this task to depressurize hydraulic systems A and B: "Hydraulic System A, B or Standby Depressurization" (AMM 29-15-00/201).

 S 864-024

 (2)  
Do this task if electrical power is not necessary: "Electrical Power Removal" (AMM 24-22-00/201).

 S 614-025

 (3)  
Do this task if servicing is necessary for the hydraulic reservoirs: "Hydraulic Reservoirs Servicing" (AMM 12-12-00/301).

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