(2)
Access Panels
1201 Electronic Equipment Access Door
3804 APU Cowl Door
B. Procedure
S 864-002
(1) Set the switch and the circuit breaker:
(a)
Set the APU master switch on the P5 forward overhead panel to the OFF position and attach a DO-NOT-OPERATE tag.
(b)
Open this circuit breaker and attach a DO-NOT-CLOSE tag: 1) E3-3 Electrical Shelf, APU Control Unit
S 014-003
(2) Open the APU cowl door:
(a)
Open the latches for the APU cowl door.
(b)
Open the APU cowl door.
(c)
Connect the door support rods.
S 014-004
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 024-005
(4) Remove the elapsed time indicator:
(a)
Disconnect the electrical connector from the indicator.
(b)
Loosen the clamp that attaches the indicator to the bracket on the oil cooler. 1) Remove the indicator and the shockmount.
(c)
Remove the screws and washers that attach the indicator to the shockmount. 1) Remove the indicator from the shockmount.
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49-72-11
ALL ú ú 01 Page 401 ú Jul 15/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / GTCP85-129 SERIES /737-300/400/500/ ENGINES /MAINTENANCE MANUAL ////////////////////////
SEE A
CONNECTOR ELECTRICAL FWD CLAMP A MOUNT SHOCK INDICATOR ELAPSED TIME (2 LOCATIONS) SCREW
OIL COOLER (2 LOCATIONS) WASHER
FWD
Elapsed Time Indicator Installation Figure 401
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49-72-11
ALL ú ú 01 Page 402 ú Nov 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
TASK 49-72-11-404-006
3. Elapsed Time Indicator Installation (Fig. 401)
___________________________________
A. 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
B. Procedure
S 424-007
(1) Install the elapsed time indicator:
(a)
Put the indicator in the shockmount and install the screws and washers.
(b)
Put the assembled indicator in the shockmount bracket. 1) Tighten the clamp that attaches the indicator.
(c)
Connect the electrical connector to the indicator.
S 414-008
CAUTION: KEEP A MINIMUM CLEARANCE OF 0.18 INCHES (5 MM) BETWEEN THE
_______ ENGINE, FIRE DETECTOR, CLAMPS, AND LOWER SHROUD.
BE CAREFUL WHEN YOU MOVE THE LOWER SHROUD. DAMAGE TO THE SHROUD CAN OCCUR.
(2) Install the lower shroud:
(a)
Hold the lower shroud against the upper shroud.
(b)
Close the shroud latches.
S 414-009
(3) 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 864-010
(4) 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.
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