Air Conditioner Maintenance - RAM Commercial CHASSIS CAB 3500 2021 Owner's Manual

2. Lift the engine air cleaner filter cover to
access the engine air cleaner filter.
3. Remove the engine air cleaner filter from
the housing assembly.
Engine Air Cleaner Filter
1 — Engine Air Cleaner Filter
2 — Engine Air Cleaner Filter Inspection Surface
Engine Air Cleaner Filter Installation
NOTE:
Inspect and clean the housing if dirt or debris is
present before replacing the engine air cleaner
filter.
1. Install the engine air cleaner filter into the
housing assembly with the engine air
cleaner filter inspection surface facing
downward.
2. Install the engine air cleaner filter cover
onto the housing assembly locating tabs.
3. Install screws to secure the engine air
cleaner filter cover to the housing assembly.
A C M
IR ONDITIONER AINTENANCE
For best possible performance, your air
conditioner should be checked and serviced by
an authorized dealer at the start of each warm
season. This service should include cleaning of
the condenser fins and a performance test.
Drive belt tension should also be checked at
this time.
SERVICING AND MAINTENANCE
WARNING!
Use only refrigerants and compressor lubri-

cants approved by the manufacturer for
your air conditioning system. Some unap-
proved refrigerants are flammable and can
explode, injuring you. Other unapproved
refrigerants or lubricants can cause the
system to fail, requiring costly repairs.
Refer to Warranty Information Book, for
further warranty information.
The air conditioning system contains refrig-

erant under high pressure. To avoid risk of
personal injury or damage to the system,
adding refrigerant or any repair requiring
lines to be disconnected should be done by
an experienced technician.
CAUTION!
Do not use chemical flushes in your air
conditioning system as the chemicals can
damage your air conditioning components.
Such damage is not covered by the New
Vehicle Limited Warranty.
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