S 865-016
(8)
Set these switches on the P5 forward overhead panel:
(a)
Remove the DO-NOT-OPERATE tag from the BAT switch.
(b)
Set the BAT switch to the ON position.
(c)
Remove the DO-NOT-OPERATE tag from the APU master switch.
(d)
Set the APU master switch to the OFF position.
(e)
Set the BAT switch to the OFF position.
TASK 49-15-00-705-017
4. Vortex Generator Flap Adjustment (Fig. 503)
________________________________
A. Access
(1) Location Zones
101 Control Cabin (Left)
701 Tail Compartment
B. Procedure
NOTE: The air inlet door and the door switch must be adjusted before the
____
adjustment of the vortex generator flap.
S 865-018
(1) Set these switches on the P5 forward overhead panel:
(a) Set the APU master switch to the OFF position and attach a DO-NOT-OPERATE tag.
NOTE: The air inlet door must be in the closed position.
____
(b) Set the BAT switch to the OFF position and attach a DO-NOT-OPERATE tag.
S 015-019
(2)
Open the access door to the actuator for the air inlet door.
S 825-020
(3)
Align the vortex generator flap:
(a)
Remove the set screw of the vortex generator 3 to 4 turns.
(b)
Loosen the No. 1 and No. 2 nuts until they are clear of the barrel fittings.
NOTE: Make sure you remove the No. 1 nut to the end of the
____ threads. This will permit clearance when you examine the position of the air inlet door and the vortex generator flap.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / GTCP85-129 SERIES /737-300/400/500/ ENGINES /MAINTENANCE MANUAL ////////////////////////
INBD
AIR INLET DOOR - OPEN POSITION
BAPU Air Inlet Adjustment Figure 503
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49-15-00
ALL ú ú 01 Page 510 ú Nov 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
(c) Pull out on the trailing edge of the air inlet door.
NOTE: This will make sure that the air inlet door and the
____ vortex generator flap are tight. The vortex generator flap must be tightly set against the stop for the door closed position.
(d)
Turn the No. 2 nut by hand to tighten it.
(e)
Tighten the No. 2 nut with 1 1/2 more turns.
(f)
Turn the No. 1 nut tightly against the barrel fitting.
(g)
Install a lockwire to hold the No. 1 and the No. 2 nut.
(h)
Set these switches on the P5 forward overhead panel: 1) Remove the DO-NOT-OPERATE tag from the BAT switch. 2) Set the BAT switch to the ON position. 3) Remove the DO-NOT-OPERATE tag from the APU master switch. 4) Set the APU master switch to the ON position and attach a
DO-NOT-OPERATE tag. 5) After the air inlet door opens, set the BAT switch to the OFF position and attach a DO-NOT-OPERATE tag.
(i)
Turn the set screw until it touches the flap lever.
(j)
Tighten the set screw with 1 1/2 more turns.
S 865-021
(4) Set these switches on the P5 forward overhead panel:
(a)
Remove the DO-NOT-OPERATE tag from the BAT switch.
(b)
Set the BAT switch to the ON position.
(c)
Remove the DO-NOT-OPERATE tag from the APU master switch.
(d)
Set the APU master switch to the OFF position.
NOTE: This will close the air inlet door.
____
S 715-022
(5) Do a test of the vortex generator flap:
(a) Set the APU master switch from the ON position to the OFF position again and again.
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