(3)
Listen to the PTU in the left wheel well to make sure it operates.
S 865-038
(4)
Put the manual control switch for the PTU on the P61 panel to the OFF position.
S 865-040
(5)
Remove the hydraulic power from the right hydraulic system
(AMM 29-11-00/201).
H.
Put the Airplane Back to Its Usual Condition
S 215-037
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
29-22-00
ALL ú ú 01 Page 506 ú May 28/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
S 495-308
WARNING: USE THE PROCEDURE IN AMM 32-00-15/201 TO REMOVE THE DOOR LOCKS.
_______ THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(1)
Remove the door locks from the landing gear doors and close the doors (AMM 32-00-15/201).
S 865-309
(2)
Remove electrical power if it is not necessary (AMM 24-22-00/201).
TASK 29-22-00-735-078
3. System Test - Power Transfer Unit (PTU) System (Fig. 501)
______________________________________________
A. General
(1) This procedure does a test of the PTU system to make sure the system performance is satisfactory.
B. Equipment
(1)
Hydraulic Service Cart, 0 to 3000 psi, with
Hydraulic Fluid, Fire Resistant, BMS 3-11.
(2)
Stop Watch, Commercially Available
C. References
(1)
AMM 12-12-01/301, Hydraulic Systems
(2)
AMM 24-22-00/201, Electrical Power
(3)
AMM 29-11-00/201, Main (Left, Right and Center) Hydraulic Systems
(4)
AMM 29-11-05/401, Engine-Driven Pump
(5)
AMM 32-00-15/201, Main Gear Door Locks
(6)
AMM 32-00-20/201, Landing Gear Downlocks
(7)
AMM 32-09-02/201, Air/Ground Relays
D. Access
(1) Location Zones
143/144 MLG Wheel Well
211/212 Control Cabin
E. Prepare for the System Test
S 865-079
(1)
Supply electrical power (AMM 24-22-00/201).
S 865-080
(2)
Remove the pressure from the left and right hydraulic systems and the reservoirs (AMM 29-11-00/201).
S 495-081
(3)
Connect a hydraulic service cart to the ground power connections for the right hydraulic system (AMM 29-11-00/201).
(4)
Set the service cart pressure at zero psi.
S 865-292
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址:757 AMM 飛機維護手冊 液壓 CHAPTER 29 - HYDRAULIC POWER 2(127)