26 – English
Maintenance
Removing the cutting unit
1 Carry out points 1-6 to put the cutting unit in the service
position, see Service position for the cutting unit.
2 Lower the cutting unit.
3 Open the unit catch.
4 Pull out 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.
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 Service position
for the cutting unit.
• 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.
• 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).
Removing the Mulching plug
To change a Combi unit from Mulching function to cutting unit
with rear ejection, remove the Mulching plug located under
the unit with three screws.
JC 103, JC 112
1 Put the unit in the service position, see Placing in the
service position.
2 Remove the three screws holding the Mulching 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.
!
WARNING! Observe caution to avoid
trapping your hand.
IMPORTANT INFORMATION One or more unbalanced
blades , caused by damage or poor balancing after
sharpening, can cause vibrations in the machine.
!
WARNING! Wear gloves to protect your
hands when working with the blades.
IMPORTANT INFORMATION 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.
15mm
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