S 415-055
(2)
Close the access panel for the central hydraulic service center (AMM 06-41-00/201).
(3)
Remove electrical power, if it is necessary (AMM 24-22-00/201).
S 865-056
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A
757 MAINTENANCE MANUAL
LEFT (L) AND RIGHT (R) ENGINE-DRIVEN PUMP (EDP) CASE DRAIN
__________________________________________________________ TEMPERATURE SWITCH - REMOVAL/INSTALLATION
_________________________________________
1. General_______
A. This procedure contains two tasks, one to remove and one to install the Engine-Driven Pump (EDP) temperature switch.
TASK 29-32-01-024-001
2. Remove the Engine-Driven Pump (EDP) Temperature Switch______________________________________________________
A. References
(1)
AMM 06-43-00/201, Engine and Nacelle Strut Access Doors and Panels
(2)
AMM 29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems
(3)
AMM 78-31-00/201, Thrust Reverser System
B. Access
(1)
Location Zones
211/212 Control Cabin
434/444 Nacelle Strut - Aft Fairing
(2)
Access Panels
434AL Hydraulic Bay
444AL Hydraulic Bay
C. Remove the EDP Temperature Switch (Fig. 401)
S 864-002
(1) Open these circuit breakers on the overhead panel, P11, and attach DO-NOT-CLOSE tags:
(a)
11K14, L ENG PUMP VLV DEPRESS or
LEFT ENGINE PUMP DEPRESS
(b)
11K23, R ENG PUMP VLV DEPRESS or
R ENG PUMP DEPRESS
S 044-003
WARNING: DO THE THRUST REVERSER DEACTIVATION PROCEDURE TO PREVENT THE
_______ OPERATION OF THE THRUST REVERSER. THE ACCIDENTAL OPERATION OF THE THRUST REVERSER CAN CAUSE INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT.
(2)
Do this procedure: Thrust Reverser Deactivation for Ground Maintenance (AMM 78-31-00/201).
S 014-004
(3)
Open the access panel for the hydraulic bay in the aft strut (AMM 06-43-00/201).
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757
MAINTENANCE MANUAL
FILTER MODULE FOR THE ENGINE-DRIVEN PUMP IN THE LEFT HYDRAULIC SYSTEM
SEE A FILTER MODULE FOR THE ENGINE-DRIVEN PUMP IN THE RIGHT HYDRAULIC SYSTEM
SEE A
FILTER
MODULE
FILTER MODULE HOUSING SWITCH TEMPERATURE SEE B
O-RING TEMPERATURE SWITCH A (EXAMPLE) FILTER MODULE
ELECTRICAL CONNECTOR
B TEMPERATURE SWITCH
Figure 401 Temperature Switch Installation
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