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13
BELT ADJUSTMENT
SINGLE SPEED MODELS.
(Except self propelled Chipper models &
Rotarola)
Keeping the spark plug uppermost, tilt the
mower to gain access to the gearbox. Using two
10mm AF spanners, slacken the screw which
clamps the gearbox anchor bracket to the mower
housing just enough to allow the gearbox to be
rotated about its output shaft. Rotate the gearbox
to take any slack out of the V belt drive and re-
clamp the anchor bracket in its new
position by tightening the clamp and screw firmly.
SELF PROPELLED CHIPPER MODELS AND
ROTAROLA
These have a belt tensioning idler pulley. To adjust
this, slacken off the clamp screw or nut which
holds the V shaped idler pulley post and slide the
post along the slot in the body. Re-tighten the
screw or nut when the slack in the belt has been
eliminated.
VARIABLE SPEED MODELS.
DO NOT tip the mower up as described above
for single speed models. Variable speed models
have an adjuster on the cable running down from
the speed control to the drive mechanism. Alter
this adjuster only if the travel of the speed control
lever does not match the full range of available
travel speeds.
The adjuster has three parts, two end fittings
each attached to upper and lower outer cables,
and a central barrel connected to the end fittings
by right and left hand threads. Keeping the end
fittings stationary, rotate the barrel to push the
ends apart to increase travel speed, and to bring
the end fittings together to reduce travel speed.
Using this adjuster will compensate for belt
stretch or wear which may occur.
CONTRACTOR COMMERCIAL MODELS
BELT ADJUSTMENT
Idler Pulley
If the belt is to be replaced or worn and slipping
and requires adjustment. Follow the servicing
instructions for removing the “Bar and Disc
blades” as explained in the Owner’s manual.
Remove the blade driver and belt covers.
Using two spanners loosen the nut and bolt
holding the idler pulley, while pressing it to tension
the belt tighten the nut and bolt.
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