Carrier X Series - Service Schedule

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Service Schedule
Service A 1.. Check the tension of the alternator
belt(s).
2.. Check that the vehicle engine runs cor-
rectly at low speed and that the compressor
mounting kit is correctly tightened and that
belt tension is correct.
3..Check the tightness of bolts and screws
and that the unit is correctly fastened onto
the box.
4..Check tension of alternator/compressor
belt.
Service B 1. Clean evaporator & condenser.
2. Replace the road compressor belt.
3. Check and, if required, replace the filter-
drier .
4. Check the o
p
eration of cab command.
4
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5. Check the defrost:
DCut-in
DFan shut-down
DCut-out
DDefrost water drain(s)
Service C 1. Check the operation of the evaporator
and condenser fans. Change the condenser
motor brushes. The evaporator of this unit
is equipped with brushless fan motors
therefore, brush maintenance is not
required.
2. Change the compressor oil. Use polyol
ester oil (POE) approved by CARRIER.
Service D 1. Change the removable fuses and capaci-
tors (if any) in the control box.