747-400 AMM 飞机维护手册 液压 HYDRAULIC 1(61)

曝光台 注意防骗 网曝天猫店富美金盛家居专营店坑蒙拐骗欺诈消费者

 S 976-111
 (16) Subtract flow No. 8A from flow No. 9A and write this flow as flow
 No. 9B. Flow No. 9A__________GPM Flow No. 8A__________GPM Flow No. 9B__________GPM
 NOTE: Flow No. 9B is the null leakage of the power package for the
____ left outboard aileron.
 NOTE: If flow No. 9A is approximately equal to flow No. 6A, it is
____ not necessary to continue the internal leakage check of the lateral-hydraulic control system.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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747-400 MAINTENANCE MANUAL
 S 866-113
 (17)
 Turn the control wheel clockwise 30 to 40 degrees.

 S 976-114

 (18)
 Let the flow become stable for one minute and write this flow as

 flow No. 10. Flow No. 10__________GPM
 S 866-115
 (19)
 Put the speedbrake lever in the full aft position.

 S 866-438

 (20)
 Turn the control wheel to a position 30 to 40 degrees counterclockwise of neutral.

 S 976-116

 (21)
 Let the flow become stable for one minute and write this flow as

 flow No. 11. Flow No. 11__________GPM
 S 976-117
 (22) Subtract flow No. 11 from flow No. 10 and write this flow as flow No. 11A.
 Flow No. 10__________GPM
 Flow No. 11__________GPM
 Flow No. 11A__________GPM
 NOTE:____ Flow No. 11A is the internal leakage for other than the
 null leakage of the control valves for spoiler packages 2 and
 3.

 S 866-118
 (23)
 Turn the control wheel to a position 30 to 40 degrees clockwise of neutral.

 S 976-119

 (24)
 Let the flow become stable for one minute and write this flow as

 flow No. 12. Flow No. 12__________GPM
 S 866-120
 (25)
 Put the control wheel in the neutral position.

 S 866-439

 (26)
 Put the speedbrake lever in the full forward position.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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 ALL  ú ú 01 Page 640 ú Feb 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 S 976-121
 (27) Subtract flow No. 12 from flow No. 7 and write this flow as flow No. 12A.
 Flow No. 7__________GPM
 Flow No. 12__________GPM
 Flow No. 12A__________GPM
 NOTE:____ Flow No. 12A is the internal leakage other than the null
 leakage of the control valves for spoiler packages 10 and 11.

 S 866-122
 (28)
 Turn the control wheel to a position 75 to 78 degrees clockwise of neutral.

 S 976-123

 (29)
 Let the flow become stable for one minute and write this flow as

 flow No. 13. Flow No. 13__________GPM
 S 866-124
 (30)
 Turn the control wheel to the full clockwise position.

 S 976-125

 (31)
 Let the flow become stable for one minute and write this flow as

 flow No. 14. Flow No. 14__________GPM
 S 866-126
 (32)
 Put the control wheel in the neutral position.

 S 976-127

 (33)
 Subtract flow No. 14 from flow No. 13 and write this flow as flow

 No. 14A. Flow No. 13__________GPM Flow No. 14__________GPM
 Flow No. 14A__________GPM
 NOTE: Flow No. 14A is the null leakage of the left central-lateral
____ control package.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 29-11-00
 ALL  ú ú 01 Page 641 ú Feb 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
　
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