In order for
the mower to work properly, and to always obtain a precision cut with lower
HP requirements thus keeping cost down, proper blade maintenance is important.
Blades must be kept sharp, at their original length and corner maintained.
A blade must be replaced if, due to wear or damage, its original shape has
Removing or installing blades.
If the mower blades need to be removed, do the following:
1. the blade turns in a counter clockwise (CCW) direction when viewed
from the bottom of the deck. The cutting edge must be towards the direction
of rotation. The lift wing of the blades is closest to the deck and the cutting
edge away from it.
2. Install the cup washer over the blade bolt and secure the blade
in place as described above.
3. With a wrench, block the spindle and tighten the bolt to 140 N.m.,
103 lb.ft. (see figure below).
4. To remove the blades reverse the procedure.