Thermo King – Low Side Pump Down for Service

After performing steps #1-6 above, the following service can be performed with the low side pumped down and a slight positive pressure established.
1. Add or remove refrigerant oil.
2. Clean expansion valve screen.
3. Change expansion valve.
4. Service the throttle valve.
5. Replace drier.
6. Replace compressor oil filter.
7. Replace ETV.
8. Replace suction pressure transducer.
9. Replace suction vibrasorber.

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