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5.4.2.9 Operation 28. Cleaning of filter cartridges of the cab ventilation and air heat-
ing systems
The ventilation system filters are mounted at both sides of the tractor cab, as shown
in figure 5.4.18. The filter consists of two filter cartridges. .
To clean the cab ventilation and heating systems filter, it is necessary to do the fol-
lowing:
- to get an access to the filter, put a support or a small ladder;
- remove two filter caps 1 (figure 5.4.18) from bolts 2 and two filter caps 3 from bolts
4 under the protrusive edge of the cab roof;
- remove protection net 5, for which unscrew two bolts 2;
- remove frame 8 with filter cartridges 7, for which unscrew two bolts 4 and one bolt
6;
- take filter cartridges 7 out of frame 8;
- clean the filter cartridge with compressed air under the pressure of not more than
0,1MPa. It is required to hold the pipe head at the distance not closer than 300mm from
the filter cartridge in order not to damage it;
- mount filter cartridges 7 into frame 8, then mount frame 8 and protection net 5 onto
the cab, put caps 1 and 3 on bolts 2 and 4 correspondingly;
- perform the above mentioned operations for the filter located at the other side of
the tractor cab.
1, 3 – filter cap; 2, 4, 6 – bolt; 5 – protection net; 7 – filter cartridge; 8 – frame.
Figure 5.4.18 – Cleaning of the cab ventilation and air heating systems filter
ATTENTION: DO NOT SWITCH ON THE FAN BEFORE CLEANING THE FILTERS
AT HIGH HUMIDITY OF THE ENVIRONMENT, FOR EXAMPLE IN THE MORNING, AS
IT IS DIFFICULT TO REMOVE DUST FROM A WET PAPER FILTER CARTRIGE!
ATTENTION: DURING TRACTOR OPERATION IN HEAVY DUSTING CONDITIONS,
CLEAN THE FILTER EVERY 8-10 HOURS OF OPERATION, I.E. ON A SHIFT BASIS!
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