Indirect Scrubbing Or For Very Dirty Surfaces; Post-Scrubbing Operations; Specific Instructions For The Use Of Model Sigma 1 E; Maintenance Information - CTM SIGMA 1 E Manuel D'utilisation

ner before reversing to avoid damaging it.
Never use the machine without the detergent solu-
tion: the floor might be damaged.
7.7.4 INDIRECT SCRUBBING OR FOR VERY
DIRTY SURFACES
Scrubbing and drying in various passes.
Prepare the machine as previously described.
First set of operations:
Check the connection between the power and bat-
tery connector, located under the control panel.
Put the ignition key in and turn it.
Check battery charge status via the control unit
and, if sufficient, operate the brush control key.
Now open the solution cock by lowering the deter-
gent dosage lever which is at the back of the ma-
chine, lower the brushing unit by levering with your
foot on the brush plate control lever. Move for-
wards, pulling the forward lever up .
Allow the detergent solution to work on the
dirt according to what is indicated in the in-
formation relative to the detergent used.
Second set of operations:
Proceed as explained in the previous "Direct Wa-
shing" paragraph (7.7.3) to also proceed with drying
the floor.
Never use the machine without the detergent solu-
tion: the floor might be damaged.

7.7.5 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
described 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
section).
7.8 SPECIFIC INSTRUCTIONS FOR THE USE
OF MODEL SIGMA 1 E
The Sigma 1 E machine may be turned on only if
the voltage indicated on the tag corresponds with
the available voltage and that the electrical outlet is
grounded (earthed).
Do not damage the feed cable; do not crush or pull
on it.
Do not run over the feed cable with the machine.
The cable could wind up in moving parts causing a
short circuit.
( ) ATTENTION !!! - The SIGMA 1 E machine
has parts, which are connected to the cur-
rent; contact with these could cause grave
injuries or even death.
- Before executing any type of operation on the ma-
chine always disconnect it from the electrical source.
- Never touch electric cables that are defective or
worn.
- Before gaining access to the electrical system it is
always necessary to disconnect the machine from
the electrical source.
- In the case of defective, damaged, or cracked
electric cables, replace immediately with authentic
replacement parts.
- The network of connections must be protected
from water spray.
- The patch cord for the connection of the
machine to the mains power must conforms
to current safety rules.
- The electrical system to which the machine is con-
nected must be equipped with a cutout box.
- It is absolutely forbidden to use the machine in
proximity to swimming pools or stretches of water.
( ) EMERGENCY SITUATIONS
In case of emergency:
- Immediately disconnect the machine from
the power mains.
- Immediately apply proper first-aid.
If an accident should occur the machine must not
be put into operation until a technician authorized
by the manufacturer has examined it.
8. MAINTENANCE INFORMATIONS
( ) Turn the key, remove it from the control panel
and disconnect the battery from the machine wi-
ring.
☞
( ) All work on the electrical system as well as all
maintenance and repair operations (especially
those not explicitly described in this manual) should
be carried out only by authorised service centres or
by specialised technical personnel who are experts
in the sector and in the pertinent safety regulations.
Performing regular maintenance on the machine,
and carefully following the manufacturer's instruc-
tions, is the best guarantee for obtaining the best
performances and extended machine service life.

8.1 TANKS

Drain the two tanks as described in the relative sec-
tions.
Remove any solid dirt by filling and draining the
tanks until all dirt has been eliminated: use a wa-
shing hose or similar tool to do this.
!
( ) Water hotter than 50°, a high-pressure
cleaner or excessively powerful sprays may
damage the tanks and the machine.
Leave the plugs of the tanks open (only while the
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