Duplex 340 Series User manual

InstructionManual
Use and Maintenance
STANDARD TEKNA
STEAM STEAM PLUS
FLOOR WASHER / CARPET
CLEANER
DUPLEX
340 / 420 / 620

WARNINGS
READ THE INSTRUCTIONS OF THIS BOOKLET
CAREFULLY BEFORE USING THE MACHINE.
See Directive ISO 7000-0434-1691-0790
WARNING: This appliance cannot be used to collect hazardous dusts
WARNING: This device is intended for use exclusively with the brushes specified by
the manufacturer.
The use of any other brushes could compromise the safety of the device.

DUPLEX 340-420-620
TABLE OF CONTENTS
1.1 FOREWORD 5
PROPER AND IMPROPER USE..............................................................................................................................6
1.2 GENERAL WARNINGS 7
MAINS CABLE WITH PLUG....................................................................................................................................7
AVOIDANY CONTACT OF THE MAINS CABLE WITH BRUSHES........................................................................7
OTHER WARNINGS.................................................................................................................................................7
1.3 DISTINCTIVE FEATURES AND COMPETITIVE ADVANTAGES OF DUPLEX MACHINE 8
1.4 GENERAL FEATURES AND FUNCTIONS 10
STEAM AND STEAM PLUS ...................................................................................................................................11
1.5 MACHINE ASSEMBLY 12
1.6 ASSEMBLING THE HANDLE 12
STEAM GENERATOR OPERATION...........................................................................................................................14
1.7 LOADING THE WASHING LIQUID 15
DUPLEX STEAM 340 AND 420 AND DUPLEX STEAM PLUS 420AND 620 .....................................................15
1.8 STARTING UP 16
1.9 USE PROCEDURE FOR ALL MODELS 17
1.10 HOW TO WASH FLOORS 19
STAGE 1.................................................................................................................................................................19
STAGE 2.................................................................................................................................................................19
1.11 CLEANING EXTREMELY DIRTY FLOORS 20
USING THE STEAM AND STEAM PLUS MODELS...............................................................................................20
1.12 TIPS FOR CLEANING FLOORS 22
CLEANING FLOORING WITH WAX CLEANERS ..................................................................................................23
1.13 STOPPING THE MACHINE 24
1.14 TRANSPORT 25
TROLLEY FOR TRANSPORTATION...........................................................................................................................25
1.15 AUTOMATIC MOTOR PROTECTION "MOTOR PROTECTOR" 26
1.16 CLEANING AND MAINTENANCE OF THE BRUSHES 27
TO REMOVE THE BRUSHES................................................................................................................................27
CLEANING THE MACHINE....................................................................................................................................27
CLEANING THE TANKS...............................................................................................................................................28
GENERAL MAINTENANCE ...................................................................................................................................29
1.17 PRECAUTIONS FOR USE OF THE STEAM GENERATOR 31
DUPLEX STEAM DESCALING.....................................................................................................................................31

DUPLEX 340-420-620
HINTS ON THE “STEAM” GENERATOR OPERATION............................................................................................. 32
1.18 TROUBLESHOOTING TIPS 32
WET STRIPES ON THE SIDES .............................................................................................................................32
THE DIRT IS NOT PICKED UP ..............................................................................................................................32
DOES NOT START UP...........................................................................................................................................33
IT VIBRATES.................................................................................................................................................................33
LIQUID FLOWS CONTINUOUSLY.............................................................................................................................. 33
THE LIQUID CONTINUES TO RUN OUT EVEN WHEN THE PISTONS HAVE RE-ENTERED AND ONE TANK
SUPPLIES MORE LIQUID THAN THE OTHER................................................................33.
WARRANTY
1.19 DISPOSAL AND WASTE SEPARATION 34
RECYCLING MATERIALS............................................................................................................................................34
1.20 HELPFUL HINTS FOR USE 35
SPECIAL PRODUCTS AVAILABLE ON REQUEST...............................................................................................35
1.21 TECHNICAL FEATURES 36

DUPLEX 340-420-620
5
WARNING
Read the instructions of this booklet carefully before using the machine.
The device is NOT intended for use by persons (children included) with reduced physical,
sensory or mental capabilities, or lack of experience and knowledge, unless they have been
given supervision or instruction concerning use of the appliance by a person responsible for
their safety.
Children should be supervised to ensure that they do not play with the appliance.
WARNING: Operators must be adequately trained to use the machine.
1.1 FOREWORD
DUPLEX is a machine for washing floors equipped with an original automatic system for
recovering dirty water.
Its special manufacturing characteristic consists of the off-set position of the cylindrical
brushes that thanks to their strong rotation permit:
•A thorough washing of any surface;
•Right to the edge cleaning;
•Automatic collection of dirty water.
Ease of use of the machine is ensured by the following:
•Two way handle operation for cleaning in forward and reverse directions;
•Counterbalanced position of the tanks that contain and supply the clean water;
•Tank for recovering the dirt located in the centre of the machine;
•Safety guards bearing the weight of the entire structure in die-cast aluminium;
•Brush support in stainless steel;
•Four wheels to control the selected brush height.

DUPLEX 340-420-620
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DUPLEX is covered by international patents and has been designed and built according to the
best Italian technical tradition exploiting the know-how of an extremely high technological level.
PROPER AND IMPROPER USE
The proper use of this appliance includes washing, scrubbing and drying applications in
industrial and commercial use (hotels, schools, factories, hospitals, shops, offices) of floors
(internal and external) made of the following materials:
Ceramics - rubber –terracotta tiles - cement - wood –plastic –non-slip safety –PVC –
Vinyl –Profiled Rubber –Sports Safety Flooring - epoxy resin - brick - marble - granite –
relief ceramics –circular disk floors - linoleum - porcelain - glass –artistic mosaics - quartz.
Any other use is considered improper.
STANDARD TEKNA
STEAM STEAM PLUS
1.1

DUPLEX 340-420-620
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1.2 GENERAL WARNINGS
MAINS CABLE WITH PLUG
•ChecktheMains Cable regularlytoseeifthereisanysignofdamage:cracking,peeling,
ageing.
•If the Mains Cable is damaged, replace it before using the machine.
•Use a cable of the same type used by the Manufacturer, certified according to “ENEC”
European standards
•Cable replacement must be performed by qualified personnel.
AVOID ANY CONTACT OF THE MAINS CABLE WITH BRUSHES
•Should the Mains Cable get caught under the machine brushes, DO NOT ATTEMPT TO
GET IT OUT WHILE THE MACHINE IS WORKING. Move the handle upwards to the
vertical position to stop the machine immediately.
OTHER WARNINGS
•Whenever the machine is in the rest position check that it does not rest on the brushes but
that it is supported by the four wheels that come down automatically when the slide
switch is in the “RT” position (see figure “1.10”). If this not the case, the machine weight
could warp the brushes.
•Do not pour water or liquids directly onto the machine.
•Unplug the Mains Cable plug from the power socket before any maintenance intervention.
•Store the machine in a closed and dry place after use.
•The machine is designed and constructed exclusively to clean floors. Any other use is
considered improper.
•When the machine is no longer able to operate after years of work, it must be dismantled
and rendered unusable for disposal in compliance with the indications on paragraph “1.20
DISPOSALAND RECYCLING”.
WARNING
CLEANING AND MAINTENANCE OPERATIONS MUST BE
PERFORMED
WITH THE MACHINE DISCONNECTED FROM THE MAINS.

DUPLEX 340-420-620
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1.3 DISTINCTIVE FEATURES AND COMPETITIVE ADVANTAGES OF
DUPLEX MACHINE
The DUPLEX brand name is synonymous with double efficiency and distinguishes a machine
that actually has a dual function thereby providing numerous advantages for the best possible
floor cleaning and hygiene.
•OFF-SET BRUSH POSITION
This allows for reaching into the corners of every wall.
•TWO-WAY HANDLE
This allows for easily changing the direction of cleaning.
•DOUBLE LIQUID DISPENSING SYSTEM
This wets both brushes simultaneously.
•DOUBLE DIRT COLLECTION SYSTEM
Possible thanks to the forward and reverse cleaning action.
•BALANCED AND LIGHTWEIGHT USE
Thanks to the balancing of the components.
•DOUBLE WASHING SYSTEM
Possiblethankstothe actionoftwopowerful contra-rotatingbrushesthatscrub and agitate with a
peripheral speed of 5 metres a second.
•DOUBLE USE SYSTEM
Pre-washing is achieved by turning off the pick-up system or washing and drying simultaneously
with the pick-up system on.
•LARGER DIAMETER BRUSHES
Thisallowsfortheutmostworkingefficacyandmoreeffectivecleaningofthegroutinginfloors.
•BRUSH INSERTION SYSTEM
Original solution that prevents vibrations during operation.
•BRUSH REMOVAL
Easy removal by using the allen key supplied with the machine.
•OPTIONAL BRUSHES
Suitable for washing and polishing all types of floors, brushes for carpets, and also abrasive
brushes for removing ground-in dirt.
•TWO TANKS CONTAINING THE WASHING LIQUID
Easy removal for cleaning.

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•RECOVERY TANK
Installed in the middle of the machine for easy removal and fitted with two efficient trimmers.
•VERSATILITY
Lightweight, user-friendly, and fatigue-free.
•FOUR OPERATING POSITIONS
For adapting from heavy, hard-floor scrubbing to delicate, deep pile carpet cleaning.
•TECHNOLOGICALADVANTAGES
1. No electrostatic loads.
2. Hermetically sealed motor.
3. Revolving mechanisms on maintenance-free sealed stainless steel bearings.
4. Electrical energy 110% greater than other machines.
5. Exceptional efficacy thanks to the original dirt recovery system.
•QUIET OPERATION
Noise level and vibration dBA < 60
•TANK CAPACITY
200% greater than other machines.
•STEAM GENERATOR
The original and exclusive generator allows Duplex floor washer Steam model to wash and
sanitize all types of flooring by means of steam at 110c. The steam is directed on to the floor at
a high temperature facilitating the removal of even the most stubborn dirt.

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1.4 GENERAL FEATURES AND FUNCTIONS
1
Regulator (Rest Translation")
5
Recovery tank
2
Insertion of dirt collector (Mop Up)
6
Steam switch
3
Motor Protector
7
Plug
4
Tanks for water with detergent
8
Boiler (with switch)
5 4 5 4
4 4
3
3
STANDARD
1 1
2 2
TEKNA
6
6
7
7
4 5
8
45 8
3
1
2
STEAM STEAM PLUS