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29-11-00
ALL ú ú 03 Page 654 ú Jun 20/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
S 366-213
(9)
Replace components with high leakage as necessary to decrease the right system gross leakage to less than 4.5 GPM.
S 866-214
(10)
Put the landing gear lever to the OFF position.
S 866-215
(11)
Put the A/P ENGAGE R switch on the mode control panel on the P55 panel to the OFF position.
S 866-216
(12)
Put the STAB TRIM R hydraulic cutout switch on the P10 panel on the control stand to the CUTOUT position.
S 086-217
(13)
If you use the flowmeter technique, do these steps:
(a)
If you use an ACMP to pressurize system, do these steps: 1) Put the R HYD PUMPS ELEC switch on the P5 panel to the OFF position.
2) Remove the flowmeter from the ACMP pressure line and connect the ACMP pressure line.
(b)
If you use a hydraulic service cart to pressurize the system, do these steps: 1) Operate the service cart to decrease the right system
pressure to zero. 2) Remove the flowmeter from the service cart pressure line. 3) Again connect the service cart pressure line to the right
system ground power pressure connection.
S 086-218
(14) If you use the multimeter technique, do these steps:
(a) Put the R HYD PUMP ELEC switch to the OFF position.
WARNING: BE CAREFUL WHEN YOU REMOVE THE CLAMP-ON AC CURRENT PROBE
_______ FROM THE POWER PANEL. THE VOLTAGES IN THE POWER PANEL CAN KILL AND/OR CAUSE DAMAGE TO EQUIPMENT.
(b) Remove the clamp-on ac current probe from the wire at the ACMP ELCU in the P31 panel.
J. Put the Airplane Back to Its Usual Condition
S 866-219
(1) Remove hydraulic power (AMM 29-11-00/201).
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