Unit Maintenance - Carrier 20X Instruction Manual

Road only truck refrigeration units with cab command controller
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Unit Maintenance

WARNING
Before working on unit, check that:
The unit (cab command) is OFF.
It is impossible for unit to automatically start-up during
maintenance.
Refrigerant Charge: R-404a
Unit
20X
35X
Oil Charge: Carrier POE #46-0002-02
Unit
20X
35X
For the most reliable operation and for maximum life, your unit
requires regular maintenance. Maintenance should be performed
on the following schedule:
Miles
X 1000
Service A
Service B
Service C
Service D
Refrigerant Charge
Compressor Oil
3
18
36
X
X
X
X
X
X
Charge
3.1 lbs (1.4 kg)
3.3 lbs (1.5 kg)
Oil Charge
4 oz. (120 ml)
4 oz. (120 ml)
54
72
X
X
X
X
X
X
21
90
108
126
X
X
X
X
X
X
X

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This manual is also suitable for:

35x

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