HVAC Systems - Manual for Chevrolet Chevy P42 Commercial Chassis 1997

All Description and Operation

• Compressor
• Handling Air Conditioning (A/C) Compressor
• Handling Air Conditioning Compressor Oil
• Replacing O-Ring Seals

All Special Tools and Equipment

• Special Tools

Cleaning, Inspection, and Adjustment

• Compressor Leak Testing

Diagnostic Procedures

• Audible Tone Sounds During Refrigerant Transfer
• Compressor Runs but Does Not Shut Off
• Compressor Runs Short Time, Does Not Finish Recovery
• Moisture Indicator Stays Yellow During Recycling
• No Power When Power Switch Is On - No Display
• Pump Runs, Gauge Does Not Register Correct Vacuum
• Recovery Compressor Does Not Start
• Refrigerant Does Not Flow During Recycling
• Vacuum Pump Does Not Start

Disassembly, Overhaul, Repair, and Assembly

• Clutch Rotor and/or Bearing
• Compressor Clutch Coil and/or Pulley Rim
• Compressor Clutch Plate and Hub Assembly
• Compressor Control Switches
• Compressor Magnetic Clutch
• Compressor Overhaul
• Compressor Pressure Relief Valve
• Compressor Shaft Seal

General Diagnostic Information

• Leak Testing
• Refrigerant System Checks
• System Performance Test

Mechanical Specifications

• Compressor Specifications
• Fastener Tightening Specifications
• Magnetic Clutch Specifications

Removal, Installation, and Replacement

• Air Conditioning (A/C) System Oil Charge Replenishing
• Air Conditioning Compressor Oil Level Check
• Compressor
• Oil Check Interval
• Oil Return Procedure