MAINTENANCE
8400D MM312 (2–94)
78
SQUEEGEES
The squeegee channels water into the vacuum
fan suction. The front blade channels the water,
and the rear blade wipes the floor.
There are two types of squeegee blades
available; one for smooth surfaces is standard on
the machine, and one for rough surfaces is an
option.
Check the squeegee blades for damage and wear
daily. Rotate or replace either of the squeegee
blades if the leading edge is torn or worn half-way
through the thickness of the blade.
The squeegee can be adjusted for leveling and
deflection. The deflection of the squeegee blades
should be checked daily, or when scrubbing a
different type of floor. The leveling of the
squeegee should be checked every 100 hours of
machine operation.
LEVELING THE REAR SQUEEGEE
Leveling of the squeegee assures even contact
the length of the squeegee blade with the surface
being scrubbed. Make sure this adjustment is
done on an even, level floor.
1. Lower the squeegee and drive the machine
forward.
2. Shut off the engine and set the machine
parking brake.
FOR SAFETY: Before leaving or
servicing machine; stop on level
surface, set parking brake, turn off
machine and remove key.
3. Look at the deflection of the squeegee blade
over the full length of the squeegee blade.
4. If the deflection is not the same over the full
length of the blade, loosen the turnbuckle
jam nuts.
5. Turn the turnbuckle clockwise, from the rear
of the machine, to increase the deflection at
the ends of the squeegee. Turn the
turnbuckle counter-clockwise, from the rear
of the machine, to decrease the deflection at
the ends of the squeegee blade. Be sure to
turn both turnbuckles the same number of
turns.