43
DRIVE
PREPARING THE MACHINE
(
fi
g.7)
Fitting and adjusting the squeegee
To suit packaging requirements, the squeegee may be supplied dismantled from the machine, in which case it must be
fi
tted
on the drive plate on the scrubber-drier.
To
fi
t the squeegee, proceed as follows:
· Raise the squeegee support plate.
· Insert the screw 1 in the slot 2 on the carriage, keeping the squeegee tilted slightly as shown in the photograph.
· Lift the left-hand side of the squeegee so that the pin 3 can be
fi
tted into the hole 4 provided on the carriage.
· Fit the R split-pin 4 in the hole on the pin 3.
· Fit the vacuum hose into the collar on the squeegee.
For perfect
fl
oor drying, the squeegee must be properly adjusted.
fl
oor-washer uses a V-shaped squeegee as shown in
fi
g. 7.
This type of squeegee conveys the water effectively towards the suction pipe, but it must be parallel to the
fl
oor.
For good squeegee operation, it is important to set the ideal working angle in relation to the
fl
oor. The rubber strip A on the
back of the squeegee must work bent slightly backward, as shown in the diagram, so that the liquid is collected on the front
edge of the strip.
To obtain this, proceed as follows:
· Unscrew the lock-nut 6 and turn the knob 7 clockwise (tighten) to increase the squeegee angle or anti-clockwise
(unscrew) to reduce the angle.
· Once the correct angle is found, retighten the lock-nut 6.
The squeegee’s height above the ground has to be set to suit the type of
fl
oor to be dried and the level of wear of its rubber
strips. To do this, adjust the nuts 8 as follows:
· Loose the nuts 8 and set up the height of the squeegee.
· If the height above the
fl
oor has been settled, tighten the nuts.
These nuts are also used to adjust the squeegee so that it works parallel to the
fl
oor.
For a long rubber strip lifetime, use as little pressure as is necessary to give a good level of drying.
Note that often poor drying is caused by inadequate performance of the suction system. In this case:
· Thoroughly clean the suction lines, the intakes, the
fi
lters and the squeegee itself;
· Check operation of the suction motors;
· Check that all the tank inspection openings are properly closed.
Summary of Contents for 33.DR.018
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