HATTAT A110 - Change Pre-Filter and Fuel Filter (29); Change Air Filter and Safety Filter (30)

58
8.5.6. Change pre-filter and fuel filter
(29)
When using over 5 % Biodiesel the changing is
every 500 hours.
Change pre-filter
IMPORTANT: Remove the filter by
hand, do not use a filter-wrench.
- Slightly open the drain cock (2) at the lower part of
the pre-filter (1) and drain the fuel into a container,
NOT ON THE GROUND.
- If the bleeder-screw is opened (3) in the pre-filter’s
mounting frame, the fuel drains more easily. After
draining has been completed, close the bleeder
screw.
- Unfasten the water trap (4) from the pre-filter.
- Turn the pre-filter lock to open and remove pre-
filter (1).
- Set new filter in place.
NOTE: The filter can be set in place only in one
position.
- Turn the pre-filter lock in direction (ON), until you
hear a click.
- Fasten the water trap to the lower part of the pre-
filter.
Change fuel filter
IMPORTANT: Remove the filter by
hand, do not use a filter-wrench.
- Turn the prefilter lock (1) to open and remove
prefilter (2).
- Set new filter in place.
NOTE: The filter can be set in place only in one
position.
- Turn the prefilter lock in direction (ON) until you
hear a click.
IMPORTANT: If needed change the
filters more often.
After changing the filters bleed the fuel system (see
under ”Checks and Adjustments”).
8.5.7. Change air filter and safety
filter (30)
The main air filter (2) has to be changed no later
than 1000 hours together with the safety filter (1) if
it has not been cleaned already 5 times and
changed earlier. The safety filter protects the
engine if the main filter should become damaged.
The safety filter must not be cleaned, it should
always be changed.
IMPORTANT: Never run the tractor
without the safety filter.
Take great care when removing the safety filter so
that no dirt enters the inlet pipe.
- Take out the main filter (2)
- Remove the safety filter (1)
1
2
2
1
2
1
3
4