Diagnosis and Repair of Your Condition-Aire Gas Heater 

Model 801: 1957 Imperials and later

 

Imperial Home Page -> Repair -> Accessories -> Gas Heater -> Page 10

 

nozzle is dry. Turn the heater switch on to start burner blower and fuel pump which will apply fuel pressure to solenoid valve. Watch nozzle carefully for signs of leakage. The slightest amount of leakage through nozzle will indicate a defective shut-off valve which must be repaired as directed above.

c. This condition could also be caused by spark plug electrodes which are bent out of position, even though adjusted to proper gap. The center electrode of plug must be approximately straight to locate the spark gap in proper position with respect to the spray. Install a new plug and adjust by bending only the ground electrode to correct this condition.

43. HEATER FAILS TO START WHEN SWITCH IS TURNED ON. BURNER BLOWER DOES NOT RUN
a. Replace fuse.
b. Repair or replace red wire to center terminal of ignition unit.
c. Repair or replace red wire to blower. Check blower ground.
d. Replace motor.
e. Repair or replace switch.
44. BURNER BLOWER RUNS BUT HEATER
FAILS TO IGNITE
a. Check thermostat and wiring and repair or replace as required.
b. Replace switch.
c. Repair as necessary ignition unit.
d. Replace plug and adjust gap.
e. Replace solenoid coil.
f. Replace nozzle.
g. Replace pump.
h. Repair or replace hose.
i. Replace coupling.
45. HEATER IGNITES BUT GOES OUT LATER 

a. Replace or repair blower. 

b. Open vent.
c. Remove obstruction.

d. Replace duct.

46. HEATER BURNS INTERMITTENTLY, HEAT
OUTPUT IS TOO LOW

a. Replace thermostat.
b. Bleed fuel line and check all connections for leaks. Turn takeoff tee in engine fuel pump down if not already in this position.
47. HEATER BURNS INTERMITTENTLY. HEAT
OUTPUT IS TOO GREAT
a. Check thermostat and repair or replace as required. Adjust control cable.
48. HEATER BURNS CONTINUOUSLY, HEAT

        OUTPUT IS TOO LOW

a. Replace nozzle.


b. Replace fuel pump.

49. ODOR OF RAW GASOLINE IN CAR
a. Tighten or replace fuel line and fitting.
50. ODOR OF BURNED GASOLINE IN CAR
a. Replace connection.


b. Replace or tighten clamp.

51. EXCESSIVE AMOUNT OF SMOKE FROM
HEATER EXHAUST WHEN HEATER STARTS
a. Repair valve.
b. Repair or replace burner blower.
c. Clean exhaust, correct cause if clogged with carbon.
52. POPPING NOISE WHEN HEATER STARTS
OR CYCLES
a. Repair valve.
b. Install new nozzle and tighten carefully.
c. Install new nozzle, check spray and adjust plug.
d. Adjust gap.
e. Check blower motor and hose. Repair or replace as required.
 


 

This page last updated April 26, 2001.  Send us your feedback, and come join the Imperial Mailing List - Online Car Club