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 49-11-00
 ú ú 02 Page 509 ú Mar 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A16565
////////////////////////A / GTCP85-129 SERIES /737-300/400/500/ ENGINES/MAINTENANCE MANUAL ////////////////////////
S 915-008
 (7)  Do the APU usual shutdown (AMM 49-11-00/201).
 TASK 49-11-00-705-056
 4. Engine Start, Acceleration, Operation and Automatic Controls Test (Fig. 503)
_________________________________________________________________
 A. General
 (1)  It is not necessary to do the APU engine start, acceleration, operation and automatic controls test after you replace the APU, fuel control unit or bleed air valve. You can use this test for troubleshooting the oil pressure problems of the APU.
 B. Special Tools and Equipment
 (1)  
290270-2-1 Tester: Gas Turbine Engine, AlliedSignal, Inc., Airline Services Division, P.O. Box 52170, Phoenix, AZ 85072-2170

 (2)  
Equivalent Tester: this is an alternative to the 290270-2-1 engine tester).

 (3)  
834367-1 Assembly - Electrical Cable, AlliedSignal, Inc.

 (4)  
294110-1 Assembly: Test Cable, AlliedSignal, Inc. (this is an alternative to the 834367-1 Electrical Cable Assembly)

 (5)  
2024498-1 Assembly: Adapter Cable, AlliedSignal, Inc. (this is an alternative to the 834367-1 Electrical Cable Assembly)

 C. Standard Tools and Equipment
 (1)  
AIRPLANES WITHOUT THE ETC; Wheatstone Bridge - measurement range of 8 ohms (|0.05%), Model 1432U, General Radio Co., W. Concord, MA

 (2)  
AIRPLANES WITH THE ETC; Wheatstone Bridge - measurement range of 8 ohms (|0.05%), No. 4289-2, Leeds and Northrup Co., Sumneytown Pike, North Wales, PA 19454

 (3)  
Multimeter - measurement range of 8 ohms (|0.05%), Model 8012A-01, Fluke, P.O. Box 9090, Everett, WA 98206-9090 (this is an alternative to the wheatstone bridge)

 D. References
 (1)  
AMM 24-22-00/201, Manual Control

 (2)  
AMM 49-11-00/201, APU Power Plant

 E. Access
 (1)  Location Zones
 101 Control Cabin, LH
 205 Electronic Compartment
 703 APU Compartment

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 49-11-00
 ALL  ú ú 09 Page 510 ú Mar 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
EGT 
THERMOCOUPLE 
PROBE 
43  LOAD CONTROL 
VIEW IS TURNED 180`  THERMOSTAT 
FUEL INLET PORT 
41 
42  FUEL  40 
CONTROL 
UNIT 
47  46 
46 
37 
36 
46 
1 
SEE A  39  38 
VIEW IS TURNED 90` 
LOW OIL 
PRESSURE 
SWITCH  SEQUENCING  46  44 
OIL PRESSURE 
SWITCH  ELECTRONIC 
SPEED SWITCH 
45 
Gas Turbine Engine Tester and Connections 
Figure 503 (Sheet 1) 

A06037
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITHOUT THE ETC ú

 49-11-00
 ú ú 02 Page 511 ú Jul 15/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
35
34
33
32
1.
TURBINE ENGINE TESTER

2.
HI-FUEL PRESSURE GAGE

3.
HI-FUEL PRESSURE COUPLING

4.
PANEL LIGHT

5.
LO-FUEL PRESSURE GAGE

6.
LO-FUEL PRESSURE COUPLING

7.
EGT INDICATOR

8.
OIL PRESSURE GAGE

9.
OIL PRESSURE COUPLING

10.
PANEL LIGHT

11.
CONTROL AIR PRESSURE COUPLING

12.
CONTROL AIR PRESSURE GAGE

13.
TESTER RECEPTACLE
　
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