B.
References
(1)
AMM 29-11-00/201, Pressurize/Depressurize Main Hydraulic System
(2)
AMM 32-00-20/201, Landing Gear Downlocks
C.
Access
(1)
Location Zones
211 Control Cabin (Left)
212 Control Cabin (Right)
711 Nose Landing Gear (NLG)
D.
Prepare for the Removal
S 864-002
(1)
Remove the pressure from the left hydraulic system and reservoir (AMM 29-11-00/201).
S 494-003
(2)
Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).
E.
Remove the Compensator
S 874-004
WARNING: BLEED THE PRESSURE IN THE COMPENSATOR BEFORE YOU REMOVE IT.
_______ THERE ARE APPROXIMATELY 5 CUBIC INCHES OF HYDRAULIC FLUID CAUGHT IN THE COMPENSATOR AT 250 PSI TO 290 PSI. IF YOU DO NOT BLEED THIS PRESSURE BEFORE YOU REMOVE THE COMPENSATOR, THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(1)
Loosen the bleed plug (Detail C, Fig. 401) to bleed the hydraulic pressure that is caught in the compensator.
(2)
Use a crowfoot wrench to remove the compensator from the module.
(3)
Remove the compensator and the O-rings from the boss.
S 024-005
S 024-006
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FAULT ISOLATION/MAINT MANUAL
SEE A
BLEED PLUG
COMPENSATOR 1
SEE C
SEE B
METERING VALVE MODULE
A
Nose Wheel Steering Metering Valve Compensator Installation
Figure 401 (Sheet 1)
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FAULT ISOLATION/MAINT MANUAL
C
Nose Wheel Steering Metering Valve Compensator Installation
Figure 401 (Sheet 2)
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FAULT ISOLATION/MAINT MANUAL
S 434-007
(4) Tighten the bleed plug per Fig. 401.
TASK 32-51-15-404-008
3. Install the Compensator on the Metering Valve for the Nose Wheel Steering_________________________________________________________________________ (Fig. 401)
A. Equipment
(1)
Crowfoot Wrench, 3-inch - commercially
available
B.
Consumable Materials
(1)
A00251 Sealant - BMS 5-26, Type II Class B-2
(2)
D00153 Fluid, Hydraulic - BMS 3-11
C.
References
(1)
AMM 12-12-01/301, Hydraulic System Servicing
(2)
AMM 20-10-23/401, Standard Practices Lockwire
(3)
AMM 24-22-00/201, Electrical Power Control
(4)
AMM 29-11-00/201, Pressurize/Depressurize Main Hydraulic System
(5)
AMM 32-00-20/201, Landing Gear Downlocks
(6)
AMM 32-21-09/401, Nose Gear Torsion Links
D.
Access
(1)
Location Zones
211 Control Cabin (Left)
212 Control Cabin (Right)
711 Nose Landing Gear (NLG)
E.
Procedure
S 494-009
(1)
Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).
S 864-010
(2)
Make sure the pressure is removed from the left hydraulic system and reservoir (AMM 29-11-00/201).
S 434-011
(3)
Install the two O-rings on the compensator as shown in Detail B, Fig. 401.
S 394-012
(4) 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：757 AMM 飞机维护手册 起落架 CHAPTER 32 - LANDING GEAR 3(139)
