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Checking the engine's cooling air
intake
Clean the air intake grille in the engine cover behind the
driver's seat.
Open the engine cover.
Check that the cooling intake is free from leaves, grass and
dirt.
Check the air duct, located on the inside of the engine cover,
ensure it is clean and does not rub against the cooling air
intake.
A blocked cooling intake will interfere with the cooling of the
engine, which can damage the engine.
WARNING! The cooling air intake rotates
!
when the engine is running. Mind your
fingers.
Checking and adjustment of the
cutting unit's ground pressure
To achieve the best cutting results the cutting unit should
follow the underlying surface without pressing too hard
against it.
Pressure is adjusted using a screw and spring on each side
of the Rider.
1 Check the air pressure in the tyres 60 kPa/0.6 kp/cm
PSI.
2 Place a set of bathroom scales under the cutting unit's
frame (front edge) so that it rests on the scales. If
necessary a block can be placed between the frame and
scales so that the support wheels do not bear any weight.
Maintenance
3 Adjust the unit's ground pressure by screwing in or out the
adjusting screws located behind the front wheels on both
sides.
The ground pressure should be between 12 and 15 kg (26.5-
33 lb).
Checking the cutting unit's
parallelism
Check the cutting unit's parallelism as follows:
1 Check the air pressure in the tyres 60 kPa/0.6 kp/cm
PSI.
2 Place the machine on a flat surface.
3 Measure the distance between the ground and cutting
unit's edge at the front of the cover.
The cutting unit should have a slight slant, with the rear edge
2-4 mm (1/8") higher than the front edge.
Adjusting the parallelism of the
cutting unit
1 Check the air pressure in the tyres 60 kPa/0.6 kp/cm
PSI.
2 Remove the front hood and right-hand fender.
3 Undo the nuts on the lift strut.
2
/8.5
4 Screw out (extend) the stay to raise the rear edge of the
cover.
2
/8.5
2
/8.5
– 23
English
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