Refrigeration Service Operations
136
Compressor
Removal
1. Pump down the low side and equalize the
pressure to slightly positive.
2. Loosen the compressor belt on SmartPower
units.
3. Front seat the discharge and suction service
valves.
4. Recover the refrigerant remaining in the
compressor.
5. Unbolt the discharge and suction service
valves from the compressor.
6. Disconnect the high pressure cutout switch,
the pilot solenoid line (if used), and remove
the compressor oil filter.
7. Support the compressor and unbolt the
compressor mounting flange from the engine
8. Lift the service valves out of the way.
9. Slide the compressor to the left until the
coupling pins are clear, and remove the
compressor belt from SmartPower units.
10. Remove the compressor from the front of the
unit. Keep the compressor ports covered to
prevent dust, dirt, etc., from falling into the
compressor.
1.
Expansion Valve
2.
Evaporator Coil
3.
Heat Exchanger
Figure 219: Evaporator with Access Panel Removed
1
2
3
