7-90
Maintenance
X6 - P/N 6525032M1
Periodical inspections
At least once every three months:
– remove any foreign bodies from between the evapora-
tor and condenser fins;
– check the tension of the compressor belt;
– allow the engine to run at a rate of 1500 rpm. In the
meantime keep the dehydrator filter under observa-
tion: the glass should be clear, without any air bubbles
or white liquid.
– check the conditions of the pipes, unions and support-
ing brackets;
– make sure that the drain pipes are efficient and remove
the condensation from the evaporator;
– make sure that the screws and fixing nuts of the pul-
leys and compressor are well tightened.
Maintenance
If the conditioning system remains unused for a long pe-
riod of time, it must be turned on for a few minutes each
month to allow the oil to circulate around the circuit and
to keep the seals in an efficient condition.
Only operate the conditioner when the engine is hot and
the temperature in the cab has reached 20°C.
Yearly maintenance
Have your Dealer's specialised personnel carry out the
following operations at the beginning of the season:
– check the level of the oil in the compressor and top it
up if necessary;
– make sure that the system is tight by means of a leak
tester and top up the HFC 134a gas if necessary, or
– replace the dehydrator filter only if strictly necessary;
– carry out a functional test on the system.
General maintenance of the cab
After servicing the external parts of the cab, proceed with
the following inspections:
1.
Periodically check to make sure that no water has col-
lected in the zones covered with mats or upholstery.
2. Protect the hinges and locks of the doors, sun roof
and openable windows with
water-repellent lubricating products.
3. Use special cleaning products to clean the windows,
or sulfuric ether, if necessary.
4. Detach the windscreen wiper and sprinkle talcum on
the rubber wiper.
5. Leave the doors or sun-roof partially open.
Cab upholstery
WARNING: Use water and a neutral detergent to clean
the coatings, the controls and the PU dashboard. Any
commercial product to clean car interiors may be used
DO NOT use any products deriving from hydrocar-
bons, ketonic or aromatic solvents, or cleaning spirits
of any kind.
Specifications
Coolant fluid .........................................................R 134 A
Air conditioning system reloading
- Quantity of gas to be loaded: 1750 g (+/- 25 g)
- - Keep the gas unit steady when filling the circuit, in
order to allow for a precise reading of the gas weight.
- Operating pressure (20 bar).
IMPORTANT: This tractor uses a R134 coolant that does
not damage the ozone layer. Never recharge the air con-
ditioning system with refrigerant other than HFC-134a as
this will result in loss of cooling and permanent damage
to all air conditioning components.
Check the tension of the compressor belt as indicated in
the Routine Maintenance chapter.
DANGER: Wear safety garments and goggles
in case of leaks. Coolant can injury the eyes.
The coolant produces a toxic gas if it contacts
a flame.
WARNING: If you need to open the bonnet, follow the procedure indicated under "How to open the bonnet".
WARNING: Always use the specific PPE for the operation concerned.
WARNING: service operations must be carried out with the engine off. Check that the gear and the parking brake
are both engaged and that the ignition key has been removed.
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