AM81687-A
Original Instructions – English
23
Do not over tighten the bottom blade – the cylinder should be able to spin freely
If you are still unable to cleanly cut paper, inspect the bottom blade and cylinder. If they appear,
rounded, damaged or excessively worn they may need to be reground or replaced. New bottom
blades should always be reground attached to the bottom blade carrier. For bottom blade grinding
angles see the section below.
The bottom blade adjusters can sometimes become very tight and may be hard to turn. If this is the
case:
1) Slacken off the grub screw on the collar
2) Rotate the adjuster anti-clockwise 1/8
th
of a turn
3) Tighten the grub screw
Bottom blade grinding angles
For cylinder cutting cartridges only. The cutting performance of the mower is highly dependent on
the condition of both the cylinder and bottom blade. Poorly maintained parts will lead to a poor
quality of cut.
Newly fitted bottom blades will need to be ground when bolted to the blade carrier to ensure a
perfectly flat cutting edge.
It is advisable that grinding/reconditioning is carried out by an authorised Allett dealer to the angles
shown below.
Inspection of safety critical components
The below parts are critical to the safe operation of your lawnmower, before each use check that:
When the park brake is engaged the mower cannot move.
The guards, deflectors and the grass box are in good condition and secured in place.
When the bale bars are released the cylinder/cartridge and land roll drive stop immediately.
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