Troubleshooting Chart - Jeep J-10 Series 1982 Technical & Service Manual

AIR CONDITIONING 3E-27
TROUBLE SHOOTING CHART
Ouring diagnosis follow the inspection procedures in the sequence shown until a defect is found. Then perform the repair in the
Cause and Remedy Section. If this repair does not fully solve the problem, proceed to the next Inspection Step.
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Symptom
IS
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Unusually high suction
Pressure with unusually
low discharge pressure
Unusually low
suction and discharge
pressure
Intermittent or
Inoperative
Rough Running
Clutch engaged
Problem Diagnosis and Inspection
STEP
SEQUENCE
Remove Valve Plate and Inspect
Or Valve Plate Test
Check (or low
Refrigerant Charge
C
Leak Check Compressor
»
Leak Check and Oiagnose System
Check Belt Tension
I :
Check Clutch Air Gap
Check Clutch Volts. Amps,
Coil Lead Wire
Shaft Turning Smoothness Test
Check Compressor
Mounting Components
Check Engine Components
Check for Intermittent or
Slipping Gutcn
Check for Proper
Refrigerant Charge
i :
Check Clutch Bearing
t
Oil Level
Shaft Turning Smoothness Test
Remove Valve Plate and Inspect
Clutch disengaged
"chattering"
\s
1 Check Air Gap
J"L
Cause and Remedy
Replace or Repair
Broken Head or Block Gasket
Broken or Deformed Reed Valve
Foreign Substance Under
Reed Valve or Gasket
Replace or Repair
Shaft Seal Leak
Service Port
Cylinder Head Leak
Gasket Leak
Oil Filler Plug Leak
Cracked Cylinder Block
Front Housing O Ring Leak
Adjust Air Gap
Replace or Repair
Broken Lead Wire
Clutch Coil Defect—Internal
System Ground
Compressor Failure—Internal
Adjust Air Gap—Defective Coil
Recharge and Recheck
Replace Bearing
Restore to Proper Level
Compressor Failure (Internal)
Replace or Repair
Broken Discharge Valve Reed
.or Retainer
Broken Suction Valve Reed
Broken Gasket
Replace or Repair
Adjust Air Gap
Defective Clutch Pulley or
Front Plate
81162