S 863-021
(2)
Open this circuit breaker on the overhead panel P11 and attach a DO-NOT-CLOSE tag:
(a) 11B34, APU MN BAT CONT or APU ALTN CONT
S 863-022
(3) Open this circuit breaker on the E6 rack in the aft equipment center and attach a DO-NOT-CLOSE tag:
(a) APU CONT
S 013-023
(4) If it is necessary, open the left APU access door, 315AL, and right APU access door, 316AR:
(a) Open the latches on the APU access doors.
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(b)
Open the left access door.
(c)
Push the right access door up and pull the spring latch aft until the latch disengages.
(d)
Open the right access door.
(e)
Engage the support rods for the APU access doors.
S 013-009
(5) Remove the caps from the oil pressure fittings.
(a) Clean the oil pressure fittings.
S 493-010
WARNING:_______DO NOT KEEP THE OIL ON YOUR SKIN FOR A LONG TIME. IF YOU DO NOT CLEAN THE OIL OFF YOUR SKIN, THE OIL CAN CAUSE INJURY.
CAUTION: DO NOT MIX TWO TYPES OF OIL (MIL-PRF-7808 AND MIL-PRF-23699)
_______ WHEN YOU ADD THE OIL IN THE APU. IT IS PERMITTED TO MIX DIFFERENT BRANDS OF OIL WITH THE SAME TYPE OF OIL WHEN YOU ADD THE OIL IN THE APU. A MIXTURE OF THE TWO TYPES OF OIL IN THE APU CAN CAUSE DAMAGE TO THE APU.
IF YOU DO NOT CLEAN THE OIL OFF, THE OIL CAN CAUSE A STAIN ON YOUR CLOTHES AND PAINT CAN BECOME SOFT.
DO NOT PUT TOO MUCH OIL IN THE RESERVOIR OR YOU CAN CAUSE THE APU TO HAVE A SHUTDOWN FROM LOW OIL PRESSURE.
(6)
Connect the oil supply and the oil overflow hoses to the pressure fittings.
S 613-011
(7)
Slowly add oil until you see oil in the overflow hose.
S 093-012
(8)
When the oil from the overflow hose is at a slow drip, remove the pressure fill hoses.
S 413-013
(9)
Install the caps on the pressure fittings.
H. Put the Airplane Back to Its Usual Condition
S 863-014
(1)
If the APU OIL QTY message is shown on EICAS, do the Maintenance Message Erase Procedure (AMM 31-41-00/201).
S 413-015
(2)
Close the left APU access door, 315AL, and right APU access door, 316AR:
(a) Disengage the support rods for the APU access doors.
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(b) Put the support rods in the clips on the inner side of the APU access doors.
(c) (d) Lift the right access door until the spring latch, at the forward end of the door, catches and holds the door on the fuselage frame.Lift the left access door and align it with the right access door.
(e) Close and latch the APU access doors.
S 863-016
(3) Remove the DO-NOT-CLOSE tag and close this circuit breaker on the E6 rack in the aft equipment center. (a) APU CONT
S 863-017
(4) Remove the DO-NOT-CLOSE tag and close this circuit breaker on the overhead panel P11: (a) 11B34, APU MN BAT CONT or APU ALTN CONT
S 863-018
(5) Remove the DO-NOT-OPERATE tag from the APU master control switch.
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