(c)
Install a cap on the electrical receptacle of the APU fuel shutoff valve.
(d)
Attach the cap chain to the receptacle attachment screw.
D. Deactivate air inlet door (Fig. 802).
(1) FOR THE C49001 TOOL KIT;
If the inlet door actuator does not operate correctly, do the deactivation of the air inlet door with the actuator removed:
(a)
Remove the inlet door actuator (Ref 49-15-31 R/I).
(b)
Install the cap for the electrical connector for the inlet door actuator.
(c)
Attach the electrical connector for the inlet door actuator to the airplane structure with the braid.
(d)
Install the door lock bracket: 1) Install the door lock bracket on the mounting bracket for the inlet door actuator
with the bolts, nuts and washers. 2) Install the spacers to the pushrods for the inlet door actuator.
NOTE: You install the spacers to add length to the pushrods. This will hold the air inlet door in the closed position.
501
Feb 20/93 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 49-11-0 Page 801
B62032
APU Fuel Shutoff Valve Deactivation 500
49-11-0 Page 802 Figure 801 (Sheet 1) BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. Feb 20/93
500 APU Shutoff Valve Detactivation
Feb 20/93 Figure 801 (Sheet 2) BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 49-11-0 Page 803
B62034 B62085
APU Inlet Door Deactivation 500
49-11-0 Page 804 Figure 802 (Sheet 1) BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. Feb 20/93
500 APU Inlet Door Deactivation
Feb 20/93 Figure 802 (Sheet 2) BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 49-11-0 Page 805
3) Connect the actuator arms to the pushrods with the bolts, nuts and washers. 4) Install the actuator arms to the door lock bracket with the bolts and washers.
NOTE: Put the actuator arms on the door lock bracket so the air inlet door is in the closed position.
(2) If the inlet door actuator operates correctly; Do the deactivation of the air inlet door with the actuator installed:
(a)
Disconnect the electrical connector for the inlet door actuator.
(b)
FOR THE C49001 TOOL KIT; Install the cap assembly to the electrical connector and electrical receptacle for the inlet door actuator.
(c)
FOR THE F80136 TOOL KIT; Do these steps: 1) Install a cap on the electrical connector for the inlet door actuator. 2) Attach the electrical harness with the cap chain to the airplane structure with the
braid.
3) Install a cap on the actuator electrical receptacle.
4) Attach the cap chain to the receptacle attachment screw.
500
49-11-0 Page 806 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. Feb 20/93
E. Fully close inlet door.
(1)
Disconnect both pushrods from actuator arms.
(2)
FOR THE C49001 TOOL KIT;
Install the spacers to the pushrods for the inlet door actuator.
(3)
Remove rod ends from both pushrods.
(4)
Install extension studs in both pushrods together with locknuts on both ends of studs.
(5)
Install female rod ends on both extension studs.
(6)
Adjust pushrod assemblies to maintain door and body contours flush within 0.03 inch. Tighten both locknuts on each extension stud.
(7)
Reconnect pushrod ends to actuator arms using existing fasteners if not worn.
F. Install exhaust muffler plug (Fig. 803).
(1)
Fit exhaust plug into exhaust fairing until it comes into contact with exhaust muffler. Handle of exhaust plug to face aft. If necessary, minimum material may be removed from four bumper blocks on plug to achieve an easy slide fit of plug into exhaust fairing.
NOTE: The four bumper blocks must have at least 0.06-inch interference contact with exhaust muffler.
(2)
Attach hook assembly to forward end of exhaust muffler. Insert pad between buckle of hook assembly and exhaust muffler. Secure pad to buckle with nylon cord.
(3)
Secure exhaust plug to hook assembly with strap assembly adjusted to 50 to 100 pounds of tension.
G. Remove flexible connector, duct end, clamp and gasket from bleed air duct. Cap bleed air duct and secure with clamp. Discard gasket (Fig. 804).
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