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Figure 5 :
SAFETY IGNITION BREAKER POSITIONS
The safety ignition breaker has three positions.
Position
1
is used when starting the engine.
With the safety ignition breaker in position 1 always put the gear box in neutral or
disengage the clutch of the power assist wheels!
Position
2
is used for operation of the machine. During operation of the machine
when an operator holds the guiding grips with both the hands the wire catch must
always be released!
Position
3
. If an operator releases the handlebar in a critical situation the engine
ignition is short circuited, therefore, the engine stops. It is sufficient to let go of the
left-hand handlebar hand rail and the engine stops. This position is also used for
stopping the engine at shut down.
REPLACEMENT OF WORKING BLADES
If the cutting edges of the working blades becomes worn it is necessary to restore
these cutting edges to ensure that they function effectively. The replacement procedure
is as follows:
Disconnect the machine from the gear box. Put the machine to a solid support so as to
ensure a good access to bolts of the blades.
Never put the machine on a plastic cover. It would result in damage to the plastic
cover.
Move the bottom disk round a slight amount so as to see the blade bolt through the
hole. Hold the rotation disk so as to avoid its rotation and loosen the lock nut and then
the bolt fixing the blade in the disk by using barrel spanner No. 16.
Remove the blade, plane and sharpen the cutting edges. The gradient of the sharpened
cutting edge should be 20° against the bottom plane of the blade. If the blades are
highly worn or bent it is necessary to use new blades delivered by the manufacturer.