40
Prepare the machine as previously described.
First set of operations:
Select the forward direction using the direction lever.
Insert and turn the key.
Activate the brush motor and the detergent solution
supply.
Lower the brushes.
Use the detergent adjustment lever to regulate the
solution outlet flow (depending on advancement
speed).
Lightly press the advancement pedal and check that
the brushes and solution feed system are working.
Fully depress the accelerator to increase the work
speed.
Adjust the maximum advancement speed and the de-
tergent solution flow as required.
The steering wheel is similar to a car steering wheel: it
can be used to turn the machine around itself by stee-
ring all the way to one side.
•
During these operations, the rear of the machine
moves slightly outward: reduce the speed to avoid
brusque direction changes and impacts against walls
or other objects.
Allow the detergent solution to work on the dirt ac-
cording to what is indicated in the information relative
to the detergent used.
Second set of operations:
Follow the steps described in the previous section
“Direct Scrubbing” (7.8.3).
To avoid damage to the surfaces being treated, the
brush motor will stop automatically about 2 seconds
after the advancement pedal has been completely
released.
When moving in reverse, the squeegee will lift and
suction will be deactivated automatically. After
changing direction (forward direction), the squeegee
and the suction will automatically return to
their previous condition.
☞
Never use the machine without the detergent
solution: the floor might be damaged
7.8.5 POST-SCRUBBING OPERATIONS
Cut off the supply of detergent.
Lift the brush unit and turn off the brush motor.
After having completely dried any traces of water
on the surface, wait a few seconds and then lift the
squeegee and turn off the suction motor.
Move to a suitable location to drain the tanks (as de-
scribed in 7.4 and 7.5).
Empty and clean the tanks (see sections 7.4 and 7.5).
Turn off the machine using the key and remove it from
the control panel.
If necessary, charge the battery (see the relative sec-
tion)..
8. MAINTENANCE INFORMATION
•
Turn the key, remove it from the control panel
and disconnect the battery from the machine wiring..
☞
All work on the electrical system as well as all main-
tenance and repair operations (especially those not
8.9 PERIODIC MAINTENANCE
When
needed
After
every use
Weekly
Monthly
Remove and wash the squeegee
X
Drain the recovery tank
X
Drain, rinse with clean water or sanificate the recovery tank
X
Charge the batteries
X
X
Check the acid level in the battery cells (if batteries are not
maintenance-free)
X
Remove brushes and check for brush wear, foreign bodies and wrapped belts
X
Verify the machine general conditions.
X
Verify that suction hose and conduct are free from obstructions
X
Check the wear of the squeegee rubber blades
X
Open and clean the solution water filter
X
Clean the brush plate, squeegee support and squeegee
X
Check the lifting/lowering of the brush plate.
X
Check the lifting/lowering of the squeegee.
X
Grease the moving parts.
X
Check the control cable for the opening of the solution water tap.
X
Verify the security devices ( emergency switch, mechanical or electromechani-
cal brake, operator safety switch, etc).
X
Descale water hoses.
X
Summary of Contents for CRS 90 BT
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