27
CC 222/222C - CC 232/232C - CC 322 M222EN5
Regular inspection and maintenance are necessary to
ensure satisfactory long-term operation.
Lift off the fiberglass cover (1) and then screw loose the
two covers (2) from the unit.
Clean the condenser unit and the condenser elements
free from dust using compressed air.
The air jet could damage the flanges of the
elements if it is too powerful.
Wear protective goggles when working
with compressed air.
Inspect the fastening of the condenser element.
Clean the cooler unit and the cooling elements free from
dust using compressed air.
Inspect and shield the system’s hoses against chafing.
Inspect the fastening of the compressor motor and
hydraulic motor, and also the clearance of connecting
collars between the compressor and the hydraulic
motor. The axial clearance should be about 4–5 mm
(0.16-0.20 in) and the radial clearance about 1 mm (0.04 in).
Make sure that drainage from the cooling unit is unob-
structed so that no condensation accumulates inside
the unit.
Inspect suspension of the rubber dampers for the con-
denser unit. Check that they are not cracked and show
no sign of damage.
The unit should be run at least five minutes every week,
if possible, to ensure lubrication of rubber gaskets in the
system.
The air unit should not be run when the outdoor
temperature is below 0°C (32°F).
Inspect the sight glass on the unit (1), above the dryer
filter in the condenser. Bubbles should only be visible on
starting and stopping the compressor. An authorized
service company should be consulted for service if
many bubbles or milky fluid are observed.
The compressor will be damaged if the unit
is run with too little refrigerant.
Do not disconnect the hose coupling.
The cooling system is pressurized.
Incorrect handling can result in serious
personal injuries.
The system contains pressurized refriger-
ant. Releasing refrigerants into the air is
prohibited. The refrigerant circuit may only
be repaired by an authorized company.
EVERY 2000 HOURS OF OPERATION (Yearly)
Fig. 49 Air conditioning
1. Fiberglass cover
2. Cover
3. Sight glass
3
1
2
Air conditioning (Optional) -
Overhaul
WARNING
WARNING
WARNING
WARNING
WARNING
CAUTION
CAUTION
Summary of Contents for CC 222
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