29-11-00
ALL ú ú 08 Page 535 ú Sep 28/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
S 845-349
(9) Put these switches, on the hydraulic control panel, in the OFF position:
(a)
R HYD PUMP ENG
(b)
R HYD PUMP ELEC
S 715-357
(10) Listen to the power transfer unit to makes sure it stops.
(a) Make sure the control valve of the power transfer unit is in POS 2 (closed position) after 3 seconds.
S 725-368
(11) Open then close this circuit breaker on the overhead panel, P11:
(a) 11D31, HYDRAULIC PTU CONT
S 715-358
(12) Put these switches, on the hydraulic control panel, in the ON position:
(a)
R HYD PUMP ENG
(b)
R HYD PUMP ELEC.
S 715-359
(13) Listen to the power transfer unit to make sure it operates smoothly and allow it to run 10 to 15 seconds.
(a) Make sure the control valve of the power transfer unit is in POS 1 (open position).
S 845-353
(14)
Operate the left engine at minimum power (AMM 71-00-00/201).
S 715-360
(15)
Listen to the power transfer unit to make sure it is still running.
S 715-361
(16)
Put the L HYD PUMP ENG switch, on the hydraulic control panel, to the ON position.
(a)
Listen to the power transfer unit to make sure it stops.
(b)
Make sure the control valve of the power transfer unit is in POS 2 (closed position).
S 715-362
(17) Put the L HYD PUMP ENG, on the hydraulic control panel, in the OFF position.
(a)
Listen to the power transfer unit to make sure it operates smoothly and allow it to run for 10 to 15 seconds.
(b)
Make sure the control valve of the power transfer unit is in POS 1 (open position).
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29-11-00
ALL ú ú 10 Page 536 ú Sep 28/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
S 715-363
(18) Stop the right engine (AMM 71-00-00/201).
(a)
Listen to the power transfer unit to make sure it stops.
(b)
Make sure the control valve of the power transfer unit is in POS 2 (closed position).
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本文链接地址：757 AMM 飞机维护手册 液压 CHAPTER 29 - HYDRAULIC POWER 1(89)
