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S 824-053-N00
(2) Do the adjustment of the actuator (AMM 75-32-01/501).
NOTE: The adjustment procedure gives the steps for the installation
____ of the supply tube (9), return tube (10), drain tube (11) and the shoulder bolt (2).
S 414-054-N00
(3)
Install the fan exit liner segment at the 5 o'clock position (AMM 72-34-03/401).
H.
Return the Aircraft to Its Usual Condition.
S 414-040-N00
WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00/201 WHEN YOU CLOSE THE
_______ THRUST REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
(1)
Close the left thrust reverser (AMM 78-31-00/201).
S 414-034-N00
(2)
Close the left core cowl panel (AMM 71-11-06/201).
S 414-035-N00
(3)
Close the left fan cowl panel (AMM 71-11-04/201).
S 444-036-N00
(4)
Do the activation procedure for the thrust reversers
(AMM 78-31-00/201).
S 864-024-N00
(5)
Remove the DO-NOT-OPERATE tag from the FUEL CONTROL switch.
S 864-025-N00
(6)
For the applicable engine, remove the DO-NOT-CLOSE tags and close these circuit breakers as follow:
(a) P6 Main Power Distribution Panel
1) 6G1 FUEL SHUTOFF VALVE ENG 1
2) 6G15 SCU ALT PWR ENG 1
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
3) 6G23 ENG SCU 1
4) 6G2 FUEL SHUTOFF VALVE ENG 2
5) 6G16 SCU ALT PWR ENG 2
6) 6G24 ENG SCU 2
7) 6G3 FUEL SHUTOFF VALVE ENG 3
8) 6G17 SCU ALT PWR ENG 3
9) 6G25 ENG SCU 3
10) 6G4 FUEL SHUTOFF VALVE ENG 4
11) 6G18 SCU ALT PWR ENG 4
12) 6G26 ENG SCU 4
S 714-026-N00
(7) Do the test for the 2.5 bleed valve actuator that is shown in the Power Plant Test Reference Table (AMM 71-00-00/501).
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2.5 BLEED VALVE ACTUATOR - ADJUSTMENT/TEST
__________________________________________
1. General
_______
A. This procedure includes two different tasks, hydraulic and mechanical, used for the adjustment of the 2.5 bleed valve actuator (referred to as the actuator) to the necessary limits.
B. Do either procedure when the actuator is replaced. Also, do either procedure when the actuator is disconnected from the support.
C. The actuator is installed on the aft face of the intermediate case at the 7 o'clock position.
D. You can get access to the actuator through the left thrust reverser.
TASK 75-32-01-825-074-N00
2. Adjustment - 2.5 Bleed Valve Actuator (Hydraulic Method)
_________________________________________________________
A. Equipment
(1)
M303, M305, or M307 Bergen Mechanical Crimper
Bergen Cable Technologies Inc
170 Gregg St
P.O. Box 1300
Lodi, NJ 07644-9982
(2)
PWA29451 Adapter - Hydraulic Pump
77445 United Technologies Corp, Pratt and Whitney
400 Main St, East Hartford, CT 06108
(3)
PWA85842 Box - Control, Electrical
Pratt and Whitney (See United Technologies)
