(8)
Do the deactivation procedure for the thrust reverser for ground
maintenance (AMM 78-31-00/201).
S 225-070-N00
(9)
Measure the thickness of the clay to find the target clearance for
the proximity sensor.
NOTE: The clearance between the face of the proximity sensor and
____ the surface of the target must be 0.08 to 0.12 inch.
S 825-071-N00
(10)
Install or remove the shims below the target to get the correct
target clearance.
S 165-083-N00
(11)
Make sure you clean the clay from the target and the proximity
sensor.
S 985-073-N00
(12)
Manually retract the thrust reverser (AMM 78-31-00/201).
I.
Put the Airplane Back to Its Usual Condition.
S 865-074-N00
(1)
Remove electrical power if it is not necessary (AMM 24-22-00/201).
(2)
Remove hydraulic power if it is not necessary (AMM 29-11-00/201).
(3)
Close the fan cowl panels (AMM 71-11-04/201).
S 445-077-N00
(4)
Do the activation procedure for the thrust reverser
(AMM 78-31-00/201).
S 445-079-N00
(5)
Do the activation procedure for the speed brake control system
(AMM 27-62-00/501).
S 865-075-N00
S 015-076-N00
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78-36-01
ALL ú ú N01 Page 510 ú Jun 10/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
(6) S 445-087-N00Do the activation procedure for the leading edge flaps (AMM 27-81-00/201).
(7) S 445-089-N00Do the activation procedure for the trailing edge flaps (AMM 27-51-00/201).
(8) S 715-084-N00Do the operational test of the thrust reverser (AMM 78-31-00/501).
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78-36-01
ALL ú ú N01 Page 511 ú Feb 10/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
THRUST REVERSER RELAY PANEL - MAINTENANCE PRACTICES
___________________________________________________
1. General
_______
A. There are two thrust reverser relay panels installed in the EE Bay:
(1)
The P252 panel is for engines 1 and 2. The panel is installed on the left side of the fuselage.
(2)
The P253 panel is for engines 3 and 4. The panel is installed on the right side of the fuselage.
B.
Each relay panel box contains two internal panels, one for each engine.
C.
For each engine there are eight relays and three diodes.
TASK 78-36-07-002-001-N00
2. Replace Internal Components (Fig. 201 thru Fig. 202)
___________________________
A. References
(1)
SWPM 20-81-12, BACS16X Relay Socket Replacement
(2)
SWPM 20-81-19, BACS16AF Relay Socket Replacement
(3)
SWPM 20-90-11, Burndy YHLZD and YHLZR Replacement
B.
Access
(1)
Location Zone 117 Electrical & Electronics Compartment - Left 118 Electrical & Electronics Compartment - Right
(2)
Access Panel
117AL Electronic Compartment Access Door
C.
Prepare for Component Removal
S 862-002-N00
(1) Open the following circuit breakers and attach DO-NOT-CLOSE tags:
(a) P6 Main Power Distribution Panel
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