Hurricane F-530
with leading wheel
17
Figure 6: Lubrication points
Figure 6.1: Swivel lever of
the clutch
Figure 6.2: Tightening pulley arm pin and
blade brake pin
Figure 6.3.: Leading wheel
6.2 Tightening of bolted connections.
Regularly check the tightening of the bolted connections. Always check the tightening of
bolts fastening the blade to the blade holder and blade
holder to the shaft prior to any machine use.
Tightening torque of the M10x1x25 central bolt is
38 N.m
.
Tightening torque of the M10x25 side bolts is
44 N.m
.
Replacing bolts, use only original spare parts
supplied by the manufacturer!
Check the bolt tightening prior to each new use as
well as during mowing, especially after a possible
impact on a solid obstacle!
6.3 Working blade replacement and sharpening.
The machine must be standing on a firm support plate and must be secured so that
the blade is easily accessible and an unexpected spontaneous machine motion
cannot occur.
Be very careful when dismounting the blade. Its cutting edges are sharp. Protect
your hands with working gloves
.
The engine must be switched off and the cable end connector to the spark plug
disconnected!
Working blade replacement procedure is as follows (always work with a helper):
a) Release and unscrew outer M10x25 bolts. Then release and unscrew central
M10x1x25 bolt and remove the blade and the blade holder from the blade shaft.
b) Plane the blade and sharpen the cutting edges. Inclination of the sharpened cutting
edge should be 25° with respect to the lower plane of the blade. The blade must be
well balanced after the sharpening; the material loss at sharpening the two cutting
edges should be therefore identical.
c) Mount the blade and the blade holder back onto the blade shaft in a reverse order of
operations.
Figure 7: Set of blade and blade holder
