Page 226 - Workshop Manual - Aumark (BJ1051)
P. 226

04-82
                                                 Diagnosis-illuminaiton

          3.     Insufficient Refrigeration
                     Symptom                       Suspected area                      Refer  to
                                          1. Harness (contact poor)        -

                                          2. Relay (contact poor)          -
                                          3. Air output switch (damaged)   Chapter 73 Instrument
                                                                           Panel/Combination Meter/Cigarette
                                                                           Lighter-Instrument Panel,
                                                                           Replacement

          Air output abnormal
                                          4. Governor resistor (damaged)   Chapter 51 Heater and Air
                                                                           Conditioner-Blower, Replacement

   04                                     5. Blower (contact poor internally)   Chapter 51 Heater and Air
                                                                           Conditioner-Blower, Replacement

                                          6. Air duct (clogged)            Chapter 51 Heater and Air
                                                                           Conditioner-Air Duct, Replacement
                                          1. Electromagnetic clutch (slip)   -

                                          2. Belt (slip)                   -

                                          3. Harness (contact poor)        -
          Air output is normal but compressor
          is out of order.
                                          4. Compressor (damaged)          Chapter 51 Heater and Air
                                                                           Conditioner-A/C Compressor,
                                                                           Replacement
                                          5. Reservoir (clogged)           Chapter 51 Heater and Air
                                                                           Conditioner-Reservoir, Replacement
                                          1. Refrigerant (leak)            Chapter 51 Heater and Air
                                                                           Conditioner-Refrigerant, On-Vehicle
                                                                           Inspection
                                          2. Expansion valve (opening too   Chapter 51 Heater and Air
          Pressures at both high and low   small or clogged)               Conditioner-Evaporator, Replacement
          pressure sides low              3. Reservoir (outlet clogged)    Chapter 51 Heater and Air
                                                                           Conditioner-Reservoir, Replacement
                                          4. Evaporator (frosting)         Chapter 51 Heater and Air
                                                                           Conditioner-Refrigerant, On-Vehicle
                                                                           Inspection
                                          1. Refrigerant (excessive)       Chapter 51 Heater and Air
                                                                           Conditioner-Refrigerant, On-Vehicle
                                                                           Inspection
                                          2. Air entrained in system       Chapter 51 Heater and Air
          Pressures at both high and low                                   Conditioner-Refrigerant, On-Vehicle
          pressure sides high                                              Inspection
                                          3. Condenser (surface covered with   -
                                          dirt)
                                          4. Expansion valve (opening      Chapter 51 Heater and Air
                                          excessive)                       Conditioner-Evaporator, Replacement
                                          1. Compressor (damaged)          Chapter 51 Heater and Air
          High pressure is low while low                                   Conditioner-A/C Compressor,
          pressure is high.
                                                                           Replacement













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