NOTE: When the AUTOGUARD switch is in the in (off) position,
____ the PT90-E will automatically lower if a load is quickly applied to it. The PT90-E will lower until the load is removed. The PT90-E will lower if a load of more than 1000 pounds more than the load limit is applied.
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(8) The overhead sling uses a lever hoist in each of the two forward support cables and one lever hoist in the aft support cable. You can adjust the lever hoists to rotate the power plant around the longitudinal and lateral axes while it is suspended.
TASK 71-00-02-844-020-N00
2. Prepare for the Power Plant Removal
___________________________________
A. Special Tools and Equipment
(1)
A71030-32 Fan Cowl Hold-Open Equipment (optional)
(2)
G24006-1 Support Hook - Power Feeder Wire Bundle
(3)
A78001-22 Thrust Reverser Hold-Open Equipment
(4)
G78005-1 Adapter for the Thrust Reverser Hold-Open Rod
(5)
G71023 Hold-Open Equipment - Fan and Core Cowls
(Optional) - (20 Knot)
B.
Standard Tools and Equipment
(1)
Container - 5-gallon capacity, used for the fuel
(2)
Container - 1-gallon capacity, used for the hydraulic fluid
(3)
Protection pads
C.
References
(1)
AMM 07-11-05/201, Jacking for Airplane Support with Engines Removed
(2)
AMM 08-00-00/201, Leveling and Weighing
(3)
AMM 12-15-05/301, Nose Landing Gear Shock Strut
(4)
AMM 20-41-01/201, Static Grounding
(5)
AMM 24-22-00/201, Manual Control
(6)
AMM 27-81-00/201, Leading Edge Slat System
(7)
AMM 29-11-00/201, Main Hydraulic Systems
(8)
AMM 71-11-04/201, Fan Cowl Panels
(9)
AMM 71-11-04/401, Fan Cowl Panels
(10)
AMM 71-11-06/201, Core Cowl Panels
(11)
AMM 71-11-06/401, Core Cowl Panels
(12)
AMM 78-31-00/201, Thrust Reverser System
(13)
AIPC 24-11-01, Fig. 11
(14)
AIPC 28-22-07, Fig. 15
(15)
AIPC 28-22-07, Fig. 16
(16)
AIPC 30-21-06, Fig. 1
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
(17)
AIPC 36-11-01, Fig. 2
(18)
AIPC 36-11-05, Fig. 1
(19)
AIPC 54-61-03, Fig. 2,
(20)
AIPC 73-11-02, Fig. 5
D.
Access
(1)
Location Zone
412 Engine 1
422 Engine 2
432 Engine 3
442 Engine 4
452 Strut No. 1 - Torque Box
462 Strut No. 2 - Torque Box
472 Strut No. 3 - Torque Box
482 Strut No. 4 - Torque Box
(2)
Access Panel 452JL Core Cowl Skirt Mid Fairing - Strut 1, Left Side 452JR Core Cowl Skirt Mid Fairing - Strut 1, Right Side 462JL Core Cowl Skirt Mid Fairing - Strut 2, Left Side 462JR Core Cowl Skirt Mid Fairing - Strut 2, Right Side 472JL Core Cowl Skirt Mid Fairing - Strut 3, Left Side 472JR Core Cowl Skirt Mid Fairing - Strut 3, Right Side 482JL Core Cowl Skirt Mid Fairing - Strut 4, Left Side 482JR Core Cowl Skirt Mid Fairing - Strut 4, Right Side
E.
Procedure
S 864-002-N00
(1)
Ground the airplane to an approved ground lug (AMM 20-41-01/201).
S 864-003-N00
(2)
Make the airplane level to zero | 1/4 degree in the pitch and roll directions (AMM 08-00-00/201).
S 864-004-N00
(3)
If the jacks hold the airplane, refer to 07-11-05/201, Supporting Airplane With Engines Removed for the weight limits.
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本文链接地址：747-400 AMM 飞机维护手册 动力装置 POWER PLANT 1(113)
