S 434-007
(2)
Do these steps to connect the TRU:
(a)
Connect the leads to the terminals on the TRU.
(b)
Install the terminal cover on the TRU.
(c)
Connect the electrical connector to the TRU.
S 864-008
(3) Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P6 panel:
(a) 6C7, HYD GEN 28V DC PWR
S 864-015
(4) Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P71 panel:
(a) 71E1, HMG BAT CHGR
D. Do a Test of the TRU Installation
S 864-009
(1)
Do the Operational Test for the Hydraulic Motor Generator system (AMM 24-25-00/501).
(a) Make sure the DC values are shown on EICAS as specified in the test.
(2)
Return the airplane to normal.
S 844-012
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH 10 KVA HYDRAULIC MOTOR ú
24-25-05
GENERATOR ú
ú 01 ú BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. Page 403May 28/99
A
757 MAINTENANCE MANUAL
HYDRAULIC FLOW LIMITER - MAINTENANCE PRACTICES
______________________________________________
1. General
_______
A. This procedure contains three tasks:
(1)
The removal of the hydraulic flow limiter.
(2)
The installation of the hydraulic flow limiter.
(3)
The test of the hydraulic flow limiter.
TASK 24-25-06-002-001
2. Removal of the Flow limiter (Fig. 201)
___________________________
A. References
(1)
AMM 29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems
(2)
AMM 32-00-15/201, Main Gear Door Locks
(3)
AMM 32-00-20/201, Landing Gear Downlocks
B. Access
(1) Location Zone
143 Left Main Landing Gear Wheel Well
C. Procedure
S 492-024
WARNING: MAKE SURE THE DOWNLOCKS ARE INSTALLED ON ALL THE LANDING GEAR
_______ (BEFORE YOU MOVE THE CONTROL LEVER). WITHOUT THE DOWNLOCKS, THE LANDING GEAR COULD RETRACT AND CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
(1) Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).
S 492-003
WARNING: DO THE PROCEDURE IN AMM 32-00-15/201 TO INSTALL THE DOOR LOCKS.
_______ THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(2)
Open the doors for the landing gear and install the door locks (AMM 32-00-15/201).
S 862-004
(3)
Remove the pressure from the left hydraulic system and the reservoir (AMM 29-11-00/201).
(4)
Disconnect the hydraulic lines from the flow limiter.
S 032-005
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH HYDRAULIC MOTOR GENERATOR ú
24-25-06
ú ú 01 Page 201 ú May 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
HYDRAULIC FLOW LIMITER
SEE B
LEFT WHEEL WELL SEE A
LIMITER HYDRAULIC FLOW BSEE
(3 LOCATIONS) (3 LOCATIONS) WASHER BOLT A LEFT WHEEL WELL FWD
(3 LOCATIONS) (3 LOCATIONS) WASHER BOLT
HYDRAULIC FLOW LIMITER B
Figure 201 Hydraulic Flow Limiter Removal/Installation
A72547
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH HYDRAULIC MOTOR GENERATOR ú
24-25-06
ú ú 01 Page 202 ú May 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
