Heating And Ventilating System - Piper Navajo Chieftain PA-31-350 Service Manual

SECTION XIII
HEATING AND VENTILATING SYSTEM
Aerofiche
Paragraph
Grid No.
13-1. Introduction .............................................................. 4B8
13-2. Description and Principles of Operation .............. ....................... 4B8
13-3. Janitrol Heater ............................................................ 4B8
13-4. Troubleshooting ..................................................
4B8
13-5. Heater Operation ................................................ 4B8
13-6. Description of Heater and Basic Components ................................. 4B9
13-7. Spark-Spray Ignition ..................... ......................... 4B9
13-8. Duct S itch ...................................................... 4B9
13-9. Combustion Air Blower and Pressure Switch ......................... 4B9
13-10. Ventilating Air Blower ............................................ 4B9
13-11. Heater Safety Limit Switch ........................................ 4B9
13-12. Operating Controls ................................................ 4B12
13-13. Operating Procedure.............................................. 4B12
13-14. Inspection of Heater and Heater Components .................................
4B12
13-15.
Preflight and or Daily Inspection .........................
4B12
13-16. 100-Hour Inspection .......................... 4B13
13-17. Maintenance Service ....................................................... 4B13
13-18. Removal of Heater ............................................... 4B13
13-19. Installation of Heater.............................................. 4B15
13-20. Heater Electrical System Checks ............................................. 4B15
13-21. Electrical Continuity Check ........................................ 4
13-22. Vent Blower Power Circuit Check .................................. 4B17
13-23. Heater Power Circuit Check ........................................ 4B17
13-24. Maintenance and Repairs ................................................... 4B17
13-25. Combustion Air Blower ........................................... 4B18
13-26. Spark Plug ....................................................... 4B18
13-27. Ignition Unit .............................................................
4B23
13-28. Ignition Unit Removal and Installation ....................................... 4B23
13-29. Testing Ignition nit ....................................................... 4C2
13-30. Operational Test of Ignition Unit ............................................ 4C2
13-31. Vibrator ......................................................... 4C
13-32. Vibrator Removal and Installation ........................................... 4C2
13-33. Limit (Overheat Safety) Switch and Cycling Switch . .......... ................ 4C3
13-34. Fuel Regulator and Shutoff Valve ..
....................................... 4C4
13-35. Combustion Air Pressure Switch ............................................ 4C5
13-36. Duct Switch ..............................................................
4C6
Revised: 10/15/82
4B6
4B6