Air Conditioning - Case CX300C Operator's Manual

Crawler excavator
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Air conditioning

WARNING
Maintenance hazard!
Never try to service the air-conditioning system yourself. Contact your dealer for service.
Failure to comply could result in death or serious injury.
Service specifications
Cleaning the suction and circulation filters: Every 50 hours
Cleaning the air circulation filter: Every 50 hours
Replace the filters: Every 2000 hours
Have a checked by a specialist: Every 6 months
The components of the air conditioning system need servicing at regular intervals. Make sure these intervals are
respected, in order to ensure the air conditioning functions correctly and with maximum effectiveness. The air condi-
tioning system contains gas which is subject to strict legislation. Any defect in the system must be fixed rapidly.
NOTE: Operate the air conditioning system at least once a week, if only for a short time. (Refer to page 3-50).
Inspection
In order to ensure the air conditioning functions correctly, inspect the air conditioner using the procedure outlined
below before starting work.
Cleanliness of the condenser
If the condenser is dirty it will not dissipate heat properly. Clean the condenser in water.
ATTENTION: Never use water under pressure to clean the condenser.
Checking the belt tension
Use your finger to exert pressure of around 10 kg (22.0 lb)
on the center of the drive belt. The tension slack should
be between about 6 mm (0.2 in)and 8 mm (0.3 in). If
necessary, adjust the belt tension.
Checking the lines
Make a visual check of the lines and make sure there are
no accumulations of dust, grease, etc.
6 - MAINTENANCE
6-67
1
IPWJCQ-002
W0268A

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