(c)
Connect the door support rods.
S 017-004
CAUTION:_______BE CAREFUL WHEN YOU MOVE THE LOWER SHROUD. DAMAGE TO THE SHROUD DRAIN LINES CAN OCCUR.
(3) Remove the lower shroud:
(a)
Hold the lower shroud and open the shroud latches.
(b)
Remove the lower shroud.
S 167-005
(4) Clean the compressor discharge T-fitting:
(a)
Disconnect the pressure line for the control air from the 3-way solenoid valve.
(b)
Disconnect the control air line from the acceleration limiter T-fitting on the fuel control unit. 1) Install a plug on the control air line.
(c)
Connect the compressed air source to the pressure line for the control air.
(d)
Apply the compressed air to the pressure line.
1) Make sure the air flows through the line.
NOTE: The air flow shows that the orifice in the
____ T-fitting does not have blockage.
(e)
Disconnect the compressed air source from the pressure line.
(f)
Connect the pressure line for the control air to the 3-way
solenoid valve.
(g)
Remove the plug from the control air line.
(h)
Connect the control air line to the acceleration limiter
T-fitting on the fuel control unit.
S 867-009
(5) 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 797-006
(6) APUs WITH ALLIEDSIGNAL SB GTCP85-49-7096; Examine the air lines for leakage:
(a)
Start and operate the APU (AMM 49-11-00/201).
(b)
During the APU operation, examine the air lines 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 797-011
(7) APUs WITHOUT ALLIEDSIGNAL SB GTCP85-49-7096; Examine the air lines 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 air lines for any signs of leakage: 1) If you found signs of leakage, repair the cause of it.
S 417-007
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. DAMAGE TO THE SHROUD DRAIN LINES CAN OCCUR.
(8) Install the lower shroud:
(a)
Hold the lower shroud against the upper shroud.
(b)
Close the shroud latches.
S 417-008
(9) Close 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.
S 867-010
(10) Remove the DO-NOT-OPERATE tag from the APU master switch on the P5 forward overhead panel.
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ALL ú ú 02 Page 707 ú Nov 12/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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