(b)
Make sure the pressure indication for hydraulic system 1 on the EICAS hydraulic synoptic display momentarily decreases.
(c)
Make sure the pressure indication for hydraulic system 2 on the EICAS hydraulic synoptic display does not change.
S 865-039
(9)
Release the brake pedals.
S 865-010
(10)
Remove the power from hydraulic system 1 (AMM 29-11-00/201).
S 865-040
WARNING: MOVE ALL PERSONS AND EQUIPMENT AWAY FROM THE ELEVATORS BEFORE
_______ YOU MOVE THE CONTROL COLUMN. THE ELEVATORS CAN MOVE QUICKLY AND CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(11) Operate the elevators to decrease the pressure of hydraulic system 1 to less than 160 psi.
NOTE: Use the EICAS hydraulic synoptic display for an indication of
____
the pressure in hydraulic system 1.
S 785-018
(12)
Do a check of the hydraulic pressure indication as follows:
(a)
Make sure the HYD BRAKE PRESS gage, on the P1 panel,
shows 3000 |100 psi.
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(b)
Make sure the pressure indication for hydraulic system 2 on the EICAS hydraulic synoptic display is 3000 |100 psi.
(c)
Make sure the PRESS lights for hydraulic systems 1 and 4, on the P5 panel, are on.
(d)
Make sure the PRESS light for hydraulic system 2, on the P5 panel, is off.
(e)
Make sure the BRAKE SOURCE light, on the P1 panel, is off.
S 715-042
(13) Quickly push one set of brake pedals to the limit of travel and monitor these indications:
NOTE: If you cannot monitor all indications during one cycle of
____ brake operation, monitor one indication during each of three cycles.
(a) Make sure the pressure indication of the HYD BRAKE PRESS gage, on the P1 panel, does not change.
NOTE: The pressure indication of the HYD BRAKE PRESS gage
____ may decrease if the No. 2 hydraulic system is pressurized only with the airplane's No. 2 hydraulic demand pump or any low capacity pump. The change will occur if the No. 2 system pressure indication on the lower EICAS drops momentarily to approximately 1400 psig or less.
(b) Make sure the pressure indication for hydraulic system 2 on the EICAS hydraulic synoptic display momentarily decreases.
S 715-043
(14)
Release the brake pedals.
S 865-003
(15)
Remove the power from hydraulic system 2 (AMM 29-11-00/201).
S 785-020
(16)
Make sure the BRAKE SOURCE light, on the P1 panel, comes on.
F.
Put the Airplane Back to Its Usual Condition.
S 095-023
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO REMOVE THE
_______ DOOR LOCKS FROM THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT REMOVE THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(1) Do this task: "Removal of the Door Locks on the Wing Landing Gear" (AMM 32-00-30/201).
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(2) S 095-048Do this task: "Removal of the Door Locks on the Body Landing Gear" (AMM 32-00-30/201).
(3) S 845-049Remove electrical power, if it is not necessary (AMM 24-22-00/201).
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