Page 1097 - Workshop Manual - Aumark (BJ1051)

51-5
Heater and air conditioner- heater and air conditioner

2. the refrigeration is intermittent
symptom Suspect area Reference
1. harness (poor contact) -
2. relay (poor contact) -
3. air volume switch (damaged) Chapter 73 instrument
panel/combination meter/cigar
lighter- instrument
panel,replacement

The air volume is intermittent. 4. adjustable resistance (damaged) Chapter 51 heater and air
conditioner- air blower, replacement
5. air blower (poor internal contact) Chapter 51 heater and air
conditioner- air blower, replacement

6. air flue (blocked) Chapter 51 heater and air
conditioner- air flue, replacement
1. belt (slippery) -
2. electromagnetic clutch (slippery) -
3. A/C switch (damaged) Chapter 73 instrument
panel/combination meter/cigar
lighter- instrument
panel,replacement
4. three-state pressure switch Chapter 51 heater and air
(damaged) conditioner- reservoir, replacement
Intermittent service of compressor
5. thermal bulb (damaged) Chapter 51 heater and air
conditioner- evaporator, replacement
6. a/c amplifier (damaged) -
51
7. compressor (damaged) Chapter 51 heater and air
conditioner- air-conditioner
compressor, replacement
8. harness (poor contact) -
1. thermal bulb (loose) Chapter 51 heater and air
conditioner- evaporator, replacement
The air blower and compressor
operate normally, but the 2. expansion valve (blocking ice) Chapter 51 heater and air
conditioner- evaporator, replacement
refrigeration is intermittent
3. intermittent foreign matter -
blocking of system

Page 1097