CHART 2101. TROUBLESHOOTING (JANITROL HEATER) (cont)
DISTRIBUTION.
CABIN VENT SYSTEM.
OVERHEAD VENT BLOWER.
The blower is mounted in the aft section of the fuselage and is connected to the overhead vent system. The
blower draws air in from the dorsal fin or through the inlet located on the left side of the aft fuselage, depending
on serial number, and forces it through the ducting, whenever desired. The three position blower switch on the
instrument panel controls the two speed blower.
REMOVAL OF BLOWER ASSEMBLY.
1. Remove the access door from the aft wall of the baggage area.
2. With the master switch off, disconnect the plug assemblies at the blower assembly.
3. Remove the inlet and outlet hoses from the blower assembly by removing the clamps.
4. Remove the screws, washers and nuts that secure the blower assembly to the hanger braces.
5. Remove the screws and washers which secure the blower assembly to the retainer and hangers.
6. Remove the blower assembly from the aircraft.
Trouble
Cause
Remedy
Heater starts then goes out,
Inoperative or chattering
Adjust or replace switch.
(cont)
combustion air pressure switch.
Inoperative overheat switch.
Replace switch.
Inoperative cycling switch.
Adjust or replace the switch.
Low voltage.
Attach external power.
Heater fails to shut off.
Fuel solenoid valve in heater
Remove and replace solenoid
stuck open.
assembly.
Inoperative duct and cycling
Check and repair.
switch.
Defective heater switch.
Replace the heater switch.
PA - 4 4 - 1 8 0 / 1 8 0 T
AIRPLANE MAINTENANCE MANUAL
2 1 - 2 1 - 0 2
Page 21-05
Revised: May 15, 1989
1E20
PIPER AIRCRAFT
Summary of Contents for SEMINOLE PA-44-180
Page 38: ...CHAPTER DIMENSIONS AND AREAS 1B14...
Page 49: ...CHAPTER LIFTING AND SHORING 1C1...
Page 53: ...CHAPTER LEVELING AND WEIGHING 1C5...
Page 58: ...CHAPTER TOWING AND TAXIING 1C10...
Page 62: ...CHAPTER PARKING AND MOORING 1C14...
Page 65: ...CHAPTER REQUIRED PLACARDS 1C17...
Page 70: ...CHAPTER SERVICING 1C22...
Page 98: ...CHAPTER STANDARD PRACTICES AIRFRAME 1E2...
Page 108: ...CHAPTER ENVIRONMENTAL SYSTEM 1E12...
Page 189: ...CHAPTER AUTOFLIGHT 1H21...
Page 192: ...CHAPTER COMMUNICATIONS 1H24...
Page 202: ...CHAPTER ELECTRICAL POWER 1I10...
Page 228: ...CHAPTER EQUIPMENT FURNISHINGS 1J12...
Page 233: ...CHAPTER FIRE PROTECTION 1J17...
Page 238: ...CHAPTER FLIGHT CONTROLS 1J24...
Page 304: ...2A18 CHAPTER FUEL...
Page 325: ...2B17 CHAPTER HYDRAULIC POWER...
Page 357: ...2D1 CHAPTER ICE AND RAIN PROTECTION...
Page 414: ...CHAPTER LANDING GEAR 2F13...
Page 479: ...2I6 CHAPTER LIGHTS...
Page 488: ...2I16 CHAPTER NAVIGATION AND PITOT STATIC...
Page 503: ...2J7 CHAPTER OXYGEN...
Page 524: ...2K6 CHAPTER VACUUM...
Page 535: ...2K19 CHAPTER ELECTRICAL ELECTRONIC PANELS AND MULTIPURPOSE PARTS...
Page 546: ...INTENTIONALLY LEFT BLANK PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 2L6 PIPER AIRCRAFT...
Page 547: ...2L7 CHAPTER STRUCTURES...
Page 582: ...CHAPTER DOORS 3A18...
Page 593: ...CHAPTER STABILIZERS 3B8...
Page 604: ...CHAPTER WINDOWS 3B22...
Page 611: ...CHAPTER WINGS 3C10...
Page 624: ...CHAPTER PROPELLER 3D1...
Page 643: ...CHAPTER POWER PLANT 3D21...
Page 667: ...CHAPTER ENGINE FUEL SYSTEM 3F1...
Page 681: ...CHAPTER IGNITION 3F16...
Page 712: ...CHAPTER ENGINE INDICATING 3H1...
Page 730: ...CHAPTER EXHAUST 3H19...
Page 734: ...CHAPTER OIL 3I1...
Page 743: ...CHAPTER STARTING 3I11...
Page 755: ...CHAPTER TURBINES 3J1...