Case CX135SR, Operator'S Manual

Page: 148 / 186

CHAPTER 6 - MAINTENANCE AND ADJUSTMENTS
6-16
Issued 8-04 Bur 6-34551NA
AIR CONDITIONING
MAINTENANCE SPECIFICATION
Clean the intake filter...........................................................................................................................Every 50 hours
Clean the air recycling filter .................................................................................................................Every 50 hours
Have checked by a specialist.............................................................................................................. Every 6 months
The components of the air conditioning system need
servicing at regular inter vals. Make sure these
intervals are respected, in order to ensure the air
conditioning functions correctly and with maximum
effectiveness. The air conditioning system contains
gas which is subject to strict legislation. Any defect in
the system must be fixed rapidly.
Operate the air conditioning system at least once a
we e k , i f o n l y fo r a s h o r t t i m e. S e e " H e a ti n g ,
v e n t i l a t i o n o r a i r - c o n d i t i o n i n g " i n t h e
"Controls/Instruments/Accessories" section.
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.
Neve r use wat er u nde r pre ssure to cle an th e
condenser.
CHECKING THE BELT TENSION
CT02D230 Figure 44
Use your finger to exert pressure of around 10 kg (20
lbs) on the centre of the drive belt (1). The tension
slack should be between about 8 and 10 mm (1/4 to
1/2 in ). If necessary, adjust the belt tension.
Tension Adjustment
CT02D230 Figure 45
1. Loosen the pulley mounting bolt (1).
2. Use the adjustment screw (2) to move the pulley
outward until belt tension is correct and tighten
pulley mounting bolt (1).
CHECKING THE LINES
Make a visual check of the lines and make sure there
are no accumulations of dust, grease, etc.
WARNING
Never try to service the air conditioning system your-
self. For any service work, consult your Dealer.
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