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时间:2011-10-11 13:04来源:蓝天飞行翻译 作者:航空
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SURE RELIEF VALVE HAS A  MODULE (AMM 29-11-17/401). IF 
LEAK.  YOU START THE YAW DAMPER AND 
AUTOPILOT CHECK (FIG. 614) 
BEFORE A BAD RELIEF VALVE IS 
REPLACED, THE LEAKAGE CALCU-
LATIONS WILL NOT BE CORRECT. 


YOU CAN NOT USE THE SYSTEM ACMP TO DO THIS STEP. YOU CAN MOTOR THE ENGINE TO SUPPLY HYDRAULIC PRESSURE WITH THE EDP TO DO A CHECK OF THE ACMP LOW PRESSURE LIGHT.
FULL CHECK
Component Check for the Left Hydraulic System
Figure 610 (Sheet 3)

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FULL CHECK
Internal Leakage Check for the Left Hydraulic System - Landing Gear Figure 611
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FULL CHECK

PTU Leakage Check for the Left Hydraulic System
Figure 612

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MAINTENANCE MANUAL

STEP NO.  PROCEDURE  CHECK DONE WHEN  FLOW IN GPM  LEAKAGE CALC. NULL (+)  SEAL (-)  LEAKAGE APPROVED  COMPONENT/COMMENTS CORRECTIVE ACTION/BAD 
1 2 3 4  PUT THE FLAP HANDLE ON THE CONTROL STAND TO THE FLAPS 1 DETENT. AFTER ONE MINUTE WRITE THE FLOW. FLAP/SLAT LEAKAGE FLOW. CALCULATE THE EXTENDED PUT THE FLAP HANDLE ON THE CONTROL STAND TO THE ZERO DETENT TO RETRACT THE FLAPS.  MINUS STEP 2 STEP 1______ FIG. 613 FIG. 611  1.0 GPM  IF THE FLAP/SLAT FLOW IS MORE THAN THE APPROVED LEAKAGE, YOU MUST REPLACE THE COMPO-NENTS WITH HIGH LEAKAGE TO DECREASE THE FLAP/SLAT FLOW. THE HIGH LEAKAGE COMPONENTS ARE POSSIBLY THE FLAP AND/OR SLAT MOTORS. IF YOU START THE YAW DAMPER AND AUTOPILOT CHECK SLAT LEAKAGE IS SATISFACTORY THE LEAKAGE CALCULATIONS WILL NOT BE CORRECT. (FIG. 614) BEFORE THE FLAP/
 
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本文链接地址:757 AMM 飞机维护手册 液压 CHAPTER 29 - HYDRAULIC POWER 1(163)