Piper Navajo PA-31 Service Manual page 916

1247 A
(REFER TO WIRING DIAGRAM)
12
1. DUCTSTAT CONTROL
2. OVERRIDE SWITCH
3. VIBRATOR ASSEMBLY
4. IGNITION ASSEMBLY
5. COMBUSTION AIR PRESSURE SWITCH
6. HARNESS ASSEMBLY
7. COMBUSTION AIR BLOWER
8. SPARK PLUG
9. VENTILATING AIR BLOWER
10. VENTILATING AIR INTAKE
11. COMBUSTION AIR BLOWER PRESSURE SWITCH
12. COMBUSTION AIR INTAKE TUBE
13. TERMINAL STRIP
14. UNIT SWITCH
15. CYCLING SWITCH
16. HEATER EXHAUST PIPE
17 HEAT DISTRIBUTION BOX
18. OPTIONAL HOURMETER
Figure 13-5. B39D59, D39D59 Heater Assembly and Combustion Air Blower
Reissued: 10/12/79
5B10
HEATING AND VENTILATING SYSTEM
SB10
PIPER NAVAJO SERVICE MANUAL