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MAINTENANCE
Rotary Attachment continued
PREVENT DAMAGE: A damaged cutterblade
will cause the cutting mechanism to be out
of balance and excessive vibration will occur
which may lead to breakage. DO NOT use an
unbalanced cutting mechanism.
Replace the cutterblades every 2 years or sooner
if excessively worn or damaged.
WARNING: PREVENT ACCIDENTS - It is
wise to seek assistance when removing and
inverting the cutterhead attachment.
The condition of the cutterblades and the
mounting arrangement should be checked regu-
larly for signs of wear or damage. Ensure that
the cutterblades are not bent or cracked.
Regularly check that the bolts securing the cut-
terblades and bottom plate are secure.
To remove the cutterblades: Remove the cutter-
blade nut (2) and bolt (5).
How to assemble the cutterblades: Assemble cut-
terblades (4) such that they are below and pointing
away from the bottom plate (1). Tighten the cut-
terblade nuts (2) and bolts (5) to a torque of 19Nm
(14 lbs. ft.).
Tighten the bottom plate bolt (7) to a torque of
54Nm (40lbs. ft).
Always replace the tab washer (6) before re-assem-
bly,
Cutterblades
Cutterblade phasing: IMPORTANT: PREVENT
DAMAGE - The cutterheads must be correctly
phased. Ensure that the cutterblades are fitted
into the correct mounting holes the underdeck
as shown.
Part No
HY590
Part No
2779
111"3904"A