75-31-00
ALL ú ú N01 Page 537 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 415-074-N00
(3)
Close the right core cowl panel (AMM 71-11-06/201).
S 415-075-N00
(4)
Close the right fan cowl panel (AMM 71-11-04/201).
S 445-076-N00
(5)
Do the activation procedure for the thrust reverser
(AMM 78-31-00/201).
S 715-022-N00
(6)
Do the necessary tests of the variable stator vane actuator as shown in the Power Plant Test Reference Table (AMM 71-00-00/501).
TASK 75-31-00-825-097-N00
5. Variable Stator Vane Actuator Adjustment (Mechanical Procedure) (Fig. 503)
________________________________________
A. General
(1)
ENGINES WITH PW SPECIAL INSTRUCTION (SI) 17F-93; You cannot rig the IGV stage with this procedure. All adjustments for the 5th- thru 7th-stage are correct as written. Also, the rig pin will not fit in the IGV stage rig hole. Make sure you rig the IGV stage with the instructions in the PW SI 17F-93.
B.
Special Tools and Equipment
(1)
PWA 86097 Pin - Rig, Pratt & Whitney,
Commercial Products Division,
400 Main Street, East Hartfold,
Connecticut 06108
NOTE: The PWA 85675 Rigging Pin Kit contains
____
these rig pins.
C. Consumable Materials
(1)
D00390 Oil - Engine
D.
References
(1)
AMM 71-00-00/501, Power Plant
(2)
AMM 71-11-04/201, Fan Cowl Panels
(3)
AMM 71-11-06/201, Core Cowl Panels
(4)
AMM 75-31-00/601, Compressor Stator Vane Control System
(5)
AMM 78-31-00/201, Thrust Reverser System
E.
Access
(1)
Location Zone
412 Engine 1 - HPC Fwd Case Right Side
422 Engine 2 - HPC Fwd Case Right Side
432 Engine 3 - HPC Fwd Case Right Side
442 Engine 4 - HPC Fwd Case Right Side
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75-31-00
ALL ú ú N02 Page 538 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
(2) Access Panel
416 Right Thrust Reverser Half - Engine 1
426 Right Thrust Reverser Half - Engine 2
436 Right Thrust Reverser Half - Engine 3
446 Right Thrust Reverser Half - Engine 4
NOTE: ENGINES WITH PW SPECIAL INSTRUCTION (SI) 17F-93;
____ You cannot rig the IGV stage with this procedure. All adjustments for the 5th- thru 7th-stage are correct as written. Also, the rig pin will not fit in the IGV stage rig hole. Make sure you rig the IGV stage with the instructions in the PW SI 17F-93.
F. Prepare for the Adjustment
S 015-134-N00
(1) Open the right fan cowl panel (AMM 71-11-04/201).
S 045-135-N00
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 015-136-N00
(3)
Open the right core cowl panel (AMM 71-11-06/201).
S 015-137-N00
WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00 WHEN YOU OPEN THE THRUST
_______
REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO
PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
(4)
Open the right thrust reverser (AMM 78-31-00/201).
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