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Maintenance
Adjustment of pump and alternator
belt
• Loosen the lower mounting screw and upper adjustment
screw a few turns.
• Tension the belt by pulling the alternator along the track. It
must be possible to press the belt in about 1 cm with your
thumb without too much pressure.
• Tighten the adjustment screw securely.
Change pump and alternator belt
• Loosen the lower mounting screw and upper adjustment
screw a few turns.
• Take off the old belt and fit the new one.
• Tension the belt by pulling the alternator along the track. It
must be possible to press the belt in about 1 cm with your
thumb without too much pressure.
Inspecting the muffler
Check regularly that the muffler is complete and secured
correctly.
Adjusting the parking brake
Make sure the parking brake is properly adjusted by placing
the machine on a slope.
Apply and lock the parking brake.
When the machine does not stand still, the parking brake
should be adjusted according to the following.
1 Position the machine on flat ground.
2 Make sure the parking brake is released.
3 Adjust so there is 1 mm play between the outer cable and
the adjuster screw when you pull the outer cable.
Adjust the adjuster screw using the nuts.
4 Tighten the nuts carefully to prevent damaging the
adjuster screw.
5 The parking brake should be checked again after the
adjustment has been made.
Replacement of fuel filter
P 520D and P 525D have two fuel filters. A pre-filter and main
filter.
Replace the fuel filter every 100 hours (at least once per
season) or more often if it is clogged.
The pre-filter is located under the battery box and is replaced
as follows.
1 Open the engine cover.
2 Loosen the hose clips
3 Move the hose clips away from the filter. Use a pair of flat
pliers.
4 Pull off the filter from the hose ends.
5 Press the new filter into the ends of the hoses.
6 Push the hose clips back on the filter and tighten.
!
WARNING! The muffler gets very hot in use
and remains so for a short time afterwards.
Do not touch the muffler if it is hot!
!
WARNING! A poorly adjusted parking brake
can result in reduced braking ability.