CAUTION: MAKE SURE YOU DO NOT USE MORE THAN 25 POUND-INCHES (2.8
_______ N.M) OF TORQUE TO TIGHTEN THE OIL FILTER CAP. DAMAGE TO THE OIL FILTER CAP CAN OCCUR.
(d) Install the oil filter cap on the oil pump housing.
1) Tighten the oil filter cap to 20-25 pound-inches
(2.3-2.8 N.m). 2) Install a lockwire on the oil filter cap.
S 864-000
(3) Set the circuit breaker and the switch:
(a)
Remove the DO-NOT-CLOSE tag and close this circuit breaker: 1) E3-3 Electrical Shelf, APU Control Unit
(b)
Remove the DO-NOT-OPERATE tag from the APU master switch on the P5 forward overhead panel.
S 794-014
(4) APUs WITH ALLIEDSIGNAL SB GTCP85-49-7096; Examine the oil pump filter for leakage:
(a)
Start and operate the APU (AMM 49-11-00/201).
(b)
During the APU operation, examine the oil pump filter for leakage.
(c)
Do the APU usual shutdown (AMM 49-11-00/201).
(d)
Attach a DO-NOT-OPERATE tag to the APU master switch on the P5 forward overhead panel.
(e)
If you found leakage, repair the cause of it.
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S 794-012
(5) APUs WITHOUT ALLIEDSIGNAL SB GTCP85-49-7096; Examine the oil pump filter for leakage:
(a)
Start and operate the APU (AMM 49-11-00/201).
(b)
Do the APU usual shutdown (AMM 49-11-00/201).
(c)
Attach a DO-NOT-OPERATE tag to the APU master switch on the P5 forward overhead panel.
(d)
Visually examine the oil pump filter for any signs of leakage: 1) If you found signs of leakage, repair the cause of it.
S 414-013
CAUTION: KEEP A MINIMUM CLEARANCE OF 0.18 INCHES (5 MM) BETWEEN THE
_______ ENGINE, THE FIRE DETECTOR, THE CLAMPS, AND THE LOWER SHROUD.
BE CAREFUL WHEN YOU MOVE THE LOWER SHROUD. SHROUD DRAIN LINES CAN OCCUR. DAMAGE TO THE
(6) Install the lower shroud: (a) Hold the lower shroud against the upper shroud. (b) Close the shroud latches.
(7) S 414-011Close the APU cowl door: (a) Disconnect the door support rods. (b) Put the door support rods in the clips on the APU cowl door. (c) Close the APU cowl door. (d) Close the latches for the APU cowl door.
(8) S 864-015Remove the DO-NOT-OPERATE tag from the APU master switch on the P5 forward overhead panel.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
OIL TANK - SERVICING (OIL CHANGE)
_________________________________
1. General
_______
A. This procedure gives the steps to do an APU oil change. The procedure has two tasks. The first task drains the oil tank. The second task fills the oil tank. For an APU oil change with a new type of oil, you must flush the oil lubrication system.
B. You must drain the oil while the engine is warm from the operation. If it is necessary, start and operate the APU engine. Permit the oil temperature to increase to the usual operation temperature. Stop the APU engine and drain the oil.
TASK 49-91-31-603-001
2. Drain the Oil Tank (Fig. 301)
__________________
A. Standard Tools and Equipment
(1)
Container - for oil; 2 gallon (8 liter) capacity
(2)
Air Source - Compressed Dry
B. Consumable Materials
(1) B00722 Solvent - P-D-680
C. References
(1) AMM 49-91-12/401, Oil Pump Filter
D. Access
(1)
Location Zones
101 Control Cabin, LH
205 Electronic Compartment
703 APU Compartment
(2)
Access Panels
1201 Electronic Equipment Access Door
3804 APU Cowl Door
3876 APU Oil Filler Door
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