49-31-00
ALL ú ú 02 Page 502 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
S 865-018
(8) Remove the DO-NOT-OPERATE tag from the APU master switch and set the APU master switch to the ON position.
NOTE: The APU master switch is on the P5 forward overhead
____ panel. Do not move the APU master switch to the START position. It is not necessary to start the APU.
S 725-008
(9)
See that fuel starts to flow into the container.
S 725-009
(10)
Set the APU master switch to the OFF position 2 minutes after the fuel starts to flow into the container.
S 865-019
(11)
Open this circuit breaker and attach a DO-NOT-CLOSE tag:
(a) E3-3 Electrical Shelf, APU Control Unit
S 865-010
(12) Set the No. 1 AFT FUEL PUMP switch to the OFF position.
NOTE: The No. 1 AFT FUEL PUMP switch is on the P5 forward
____
overhead panel.
S 975-011
(13) Measure the fuel in the container.
(a) If there is less than 1.0 gallon (3.8 liters) in the container, do the troubleshooting for the distribution system for the engine fuel (AMM 28-22-00/101).
S 035-012
(14) Remove the fuel hose:
(a)
Disconnect the fuel hose from the low-pressure fuel filter.
(b)
Remove the fitting from the fuel hose.
(c)
Connect the fuel line to the low-pressure fuel filter.
(d)
Remove the container with the fuel.
S 915-020
(15) Remove the external electrical power from the airplane (AMM 24-22-00/201).
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49-31-00
ALL ú ú 01 Page 503 ú Nov 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / GTCP85-129 SERIES /737-300/400/500/ ENGINES/MAINTENANCE MANUAL ////////////////////////
S 415-013
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 DRAIN LINES CAN OCCUR.
(16) Install the lower shroud:
(a)
Hold the lower shroud against the upper shroud.
(b)
Close the shroud latches.
S 415-014
(17) 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 865-037
(18) Remove the DO-NOT-CLOSE tag and close this circuit breaker:
(a) E3-3 Electrical Shelf, APU Control Unit
TASK 49-31-00-705-093
3. APU Fuel Supply System Pressure Check
_____________________________________
A. Standard Tools and Equipment
(1)
Pressure Gage, 0-100 psi (0-689 kPa)
(2)
Hose
(3)
Tee fitting
B. References
(1)
AMM 24-22-00/201, Manual Control
(2)
AMM 28-22-00/101, Engine Fuel Distribution System
C. Access
(1)
Location Zones
101 Control Cabin (Left)
205 Electronic Compartment
703 APU Compartment
(2)
Access Panels
1201 Electronic Equipment Access Door
3804 APU Cowl Door
D. Procedure
S 865-058
(1) Set the switch and these circuit breakers:
(a) Set the APU master switch, on the P5 forward overhead panel, to the OFF position and attach a DO-NOT-OPERATE tag.
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