Cleaning The Heating Filters; Air Filter With Active Carbon; Air-Conditioning Maintenance - Zetor CRYSTAL Series Operator's Manual

Cleaning the heating filters

Recover the filters positioned under the covering grills
over the windshield outside the cabin with regard to the
degree of clogging:
- by shaking
- by blowing with compressed air
Check the filters for clogging daily. Replace heavily
clogged filters.
The safety cab of the tractor is not equipped
with special filters of air aspirated to the cab.
It does not protect the operator from the effect of
aerosols and other harmful substances!
Use a filter with active carbon when working with
harmful substances.

*Air filter with active carbon

Filters with active carbon are installed instead of the
standard dust filter and they are replaced in the same way
as the normal filters. The filter must be inserted with the
white side towards the grill. The installation instructions
are found on the next page.
The filter is only used during spraying of pesticides; then it
must be replaced with a paper filter again as flying dust
would clog the carbon filter in a very short time.
During its use the recirculation control must be in the
position of 'air suctioned from the outside'.
The fan control must be in the 'maximum' position.
WARNING: The filter does not provide complete
protection from toxic substances
- When handling the filter wear protective gloves
- Do not clean or blow the filter with compressed air
DANGER: Replace the active carbon filter every
200 hours or 36 months (the production date is
printed on the filter). If you feel the smell of pesticides
in the cab, replace the filter immediately and have the
cab sealing checked. Used filters must be disposed of
in specialized collection centres.

Air-conditioning maintenance

The most important element of the maintenance
of the air-conditioning system is cleaning of the
cooler (condenser) of the air conditioning (it is located
in front of the engine cooler). The full condenser of
the air conditioning decreases not only the efficiency
of the cooling of the air-conditioning system, but also
the efficiency of the engine cooling.
Lift up the engine bonnet, disassemble the locking screw
(1) and release and push out the cooler in the direction of
the arrow.
Blow out with compressed air or rinse out with pressure
water (against the tractor travelling direction).
Then insert the cooler back and mount the locking screw
(1).
Make sure that the hoses correctly guided.
MAINTENANCE INSTRUCTIONS
157
F13BN030
F13BN031
C15N090