49-61-32
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
E60965
S 024-005
 (4)  Remove the inlet temperature sensor:
 (a)  
Disconnect the electrical connector from the inlet temperature sensor.

 (b)  
Install a cap on the electrical connector.

 (c)  
Remove the inlet temperature sensor from the compressor plenum.

 TASK 49-61-32-404-006
 3.  Inlet Temperature Sensor Installation (Fig. 401)
_____________________________________
 A.  Access
 (1)  
Location Zones
 101 Flight Compartment, 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 inlet temperature sensor:
 (a)  
Install the inlet temperature sensor in the compressor plenum.

 1)  Install a lockwire on the nut of the inlet temperature sensor.

 (b)  
Remove the cap from the electrical connector.

 (c)  
Connect the electrical connector to the inlet temperature sensor.

 S 864-009
 (2)  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.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH THE ETC ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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 ////////////////////////
S 414-010 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. SHROUD DRAIN LINES CAN OCCUR. DAMAGE TO THE
 (3)  Install the lower shroud: (a) Hold the lower shroud against the upper shroud. (b) Close the shroud latches.
 (4)  S 414-011Close 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.
 (5)  S 864-012Remove the DO-NOT-OPERATE tag from the APU master switch on the P5 forward overhead panel.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH THE ETC ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
SEQUENCING OIL PRESSURE SWITCH - REMOVAL/INSTALLATION
_____________________________________________________
 1.  General
_______
 A.  This procedure contains the removal and the installation tasks for the sequencing oil pressure switch. During this procedure, the switch is referred to as the oil pressure switch.
 B.  The oil pressure switch is on the forward bottom end of the APU and below the starter motor. You can get access to the switch through the APU cowl door.
 TASK 49-61-41-004-001
 2.  Oil Pressure Switch Removal (Fig. 401)
___________________________
 A. References ú (1) IPC 49-61-00 Fig. 1
 B.  Access
 (1)  
Location Zones
 101 Flight Compartment, LH
 205 Electronic Compartment
 703 APU Compartment

 (2)  
Access Panels
 1201 Electronic Equipment Access Door
 3804 APU Cowl Door

 C.  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
　
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