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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
APU TAILPIPE  APU TAILPIPE  APU ENGINE 
FIRE  OVHT  FIRE 
100V DC  100V DC  100V DC  100V DC 
`F P/N 896767  P/N 896768  P/N 472621  TOTAL SYSTEM 
LENGTH (INCH) 
83.25  180.5  132.25 
65  53.0  0.43  0.18  0.126 
70  45.5  0.36  0.16  0.110 
75  38.9  0.31  0.13  0.091 
80  33.2  0.27  0.11  0.077 
85  28.4  0.23  0.1  0.069 
90  24.2  0.2  0.08  0.057 
95  20.7  0.17  0.07  0.049 
100  17.7  0.14  0.06  0.041 

MINIMUM INSULATION RESISTANCE (MEGOHMS)
TABLE I (DETECTORS WITH GARRETT 36-280 APU)

APU Fire Detection System
Figure 102 (Sheet 1)

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 ALL  ú ú 01 Page 104 ú Nov 15/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
G18352
A 737-300/400/500MAINTENANCE MANUAL
APU TAILPIPE  APU TAILPIPE  APU ENGINE 
FIRE  OVHT  FIRE 
100V DC  100V DC  100V DC  100V DC 
`F  P/N 896767  P/N 896768  P/N 894481  SYSTEM TOTAL 
LENGTH (INCH) 
83.25  180.5  163.44 
65  53.0  0.43  0.15  0.110 
70 45.5  0.36  0.13  0.095 
75  38.9  0.31  0.11  0.081 
80  33.2  0.27  0.1  0.072 
85  28.4  0.23  0.08  0.059 
90  24.2  0.2  0.07  0.051 
95  20.7  0.17  0.06  0.044 
100  17.7  0.14  0.05  0.036 

MINIMUM INSULATION RESISTANCE (MEGOHMS)
TABLE I (DETECTORS WITH GARRETT 85-129 APU)

APU Fire Detection System
Figure 102 (Sheet 2)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
G18356
A 737-300/400/500MAINTENANCE MANUAL
APU TAILPIPE  APU TAILPIPE  APU ENGINE 
FIRE  OVHT  FIRE 
100V DC  100V DC  100V DC  100V DC 
`F  P/N 896767  P/N 896768  P/N 472619  SYSTEM TOTAL 
LENGTH (INCH) 
83.25  180.5  121.00 
65  53.0  0.43  0.18  0.126 
70 45.5  0.36  0.16  0.110 
75  38.9  0.31  0.13  0.091 
80  33.2  0.27  0.11  0.077 
85  28.4  0.23  0.1  0.069 
90  24.2  0.2  0.08  0.057 
95  20.7  0.17  0.07  0.049 
100  17.7  0.14  0.06  0.041 

MINIMUM INSULATION RESISTANCE (MEGOHMS)
TABLE I (DETECTORS WITH APS 2000 APU)

APU Fire Detection System
Figure 102 (Sheet 3)

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G18369
A 737-300/400/500MAINTENANCE MANUAL
894481 DETECTOR ASSEMBLY  13.62 MAXIMUM WIRE RESISTANCE AT 70`F 
896701  27.24 
896702  14.06 
896703  30.27 
896767  6.93 
896768  15.04

MAXIMUM WIRE RESISTANCE (OHMS)
TABLE II

APU Fire Detection System
Figure 102 (Sheet 4)

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