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5 Check that the belt tensioning equipment is not jammed or
binding and replace the spring.
6 Insert the new belt in place and replace the bevel gear.
The bevel gear is tightened to a torque of 47 Nm.
7 Fit the belt around the pulleys. The belt tightening
schedule is on a decal located on the cutting unit under
the belt cover.
8 Fit covers.
9 Attach the cutting unit to the machine, see Attaching the
cutting unit.
Checking the blades
To achieve the best mowing results it is important that the
blades are undamaged and well-sharpened.
Check that the blades' attachment screws are tight. Screws
should be torque tightened to 84 Nm.
IMPORTANT! One or more unbalanced blades , caused by
damage or poor balancing after sharpening, can cause
vibrations in the machine.
The blades should be balanced after sharpening.
Damaged blades should be replaced when hitting obstacles
that result in a breakdown.
Replacing the blades
•
Put the unit in the service position, see Placing in the
service position.
•
Remove the equipment frame.
•
Lock the blade with a wooden block. Loosen the blade bolt
and remove the blade bolt, the washer and the blade.
•
Assemble the parts in the reverse order.
MAINTENANCE AND SERVICE
•
The blade must be mounted with the angled ends pointing
up towards the cover.
•
Tightening torque 45-50 Nm (4.5-5 kpm/32-36 lbft).
15mm
WARNING! Wear gloves to protect your
!
hands when working with the blades.
IMPORTANT! Always exercise care and use your common
sense. Avoid all situations which you consider to be beyond
your capability. If you still feel uncertain about operating
procedures after reading these instructions, you should
consult an expert before continuing. Contact an authorised
service workshop.
Always use genuine parts. For more information, see the
"Technical data" section.
Removing the BioClip plug
To change a Combi unit from BioClip function to cutting unit
with rear ejection, remove the BioClip plug located under the
unit with three screws.
1 Put the unit in the service position, see Placing in the
service position.
2 Remove the three screws holding the BioClip plug, and
remove the plug.
3 Tip: Fit three full-thread screws M8x15 mm in the screw
holes to protect the threads.
4 Replace the unit in normal position.
Fit the BioClip plug in the reverse order.
– 33
English
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