Maintenance Instructions
5.8 Use and Maintenance of Air Filter
5.8.1 Instructions of Filter
When the filter blockage alarm indicates a warning signal or the filter works for (50~100)h, the main
filter element needs to be maintained;
In the case of dusty working environment, the main filter element should be maintained every 8h or per
shift;
When the dust on the filter element cannot be cleaned after maintenance or the filter element is
damaged, the filter element shall be replaced.
5.8.2 Maintenance Method of Filter
Take out the filter element, clean the inner shell of the air filter with a brush, and discharge the dust in
the rubber dust bag;
While rotating the filter element, blow out the dust from the inside of the filter element with
compressed air lower than 500 Kpa;
Reassemble the filter element.
Important: The correct use and maintenance of the air filter is directly related to the service life of
the engine, so it must always be kept clean. When the tractor is working in farmland, check, clean and
change oil after each shift. When tractors are used in combination with harvesters, it is better to raise the position
of the filter. It is forbidden to wash the filter element of dry air filter with oil and water during maintenance.
5.9 Adjustment of Fan Belt Tension
Press down the middle part of the fan belt with thumb, the
applied force is (29.4 ~ 49.0)N, and the pressing distance is
(15±3) mm. If this requirement is not met, it shall be adjusted
as follows:
Loosen the fixing nut on the generator adjusting bracket,
pull the generator outward to tighten the belt, and then tighten
the fixing nut on the generator adjusting bracket.
Fig. 5-13 Adjustment of Fan Belt Tension
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