ScrubbingKing GBZ-430BT User manual

1
Manual
GBZ-430BT/530BT/520BT
Product Descriptions and Instructions
The contained descriptions in the present publication are not binding. The manufacturer therefore reserves itself the
right to bring some necessary changes; the partial reproduction of the text and diagram contained in the present manual
is forbidden by law.

2
SUMMARY
THE DELIVERY OF THE MACHINE.........................................................................................................................................................................3
INTRODUCTORY COMMENT…..............................................................................................................................................................................3
TECHNICAL DESCRIPTION....................................................................................................................................................................................3
SYMBOLOGY USED ON THE MACHINE..................................................................................................................................................................4
MACHINE PREPARATION............................................................................................................................................................5
HANDLING OF THE PACKED MACHINE...........................................................................................................................................................5
HOW TO UNPACK THE MACHINE……...........................................................................................................................................................5
BATTERY TYPE…..........................................................................................................................................................................................6
INSTALLATION OF THE BATTERIES................................................................................................................................................................6
CONNECTION OF THE CHARGER...................................................................................................................................................................7
CHARGING....................................................................................................................................................................................................7
BATTERY CHARGE LEVEL GAUGE.................................................................................................................................................................7
INSTALLATION OF THE SQUEEGEE................................................................................................................................................................8
ADJUSTMENT OF THE SQUEEGEE HEIGHT.....................................................................................................................................................8
ADJUSTMENT OF THE SQUEEGEE INCLINATION............................................................................................................................................8
RECOVERY TANK….......................................................................................................................................................................................9
SOLUTION WATER…….................................................................................................................................................................................9
INSTALLATION OF SPLASH GUARD...............................................................................................................................................................9
BRUSH INSTALLATION OF GBZ-520BT.......................................................... ...............................................................................................9
BRUSH INSTALLATION OF GBZ-430BT/530BT........................... .................................................................................................................10
WORK……..…...................................................................................................................................................................................................10
PREPARATION….........................................................................................................................................................................................10
OVERFLOW DEVICE.....................................................................................................................................................................................11
TRACTION……...........................................................................................................................................................................................11
COMPLETION WORK...........................................................................................................................................................................................11
DAILY MAINTENANCE………….........................................................................................................................................................................12
RECOVERY TANK CLEANING.......................................................................................................................................................................12
SUCTION FILTER CLEANING........................................................................................................................................................................12
SQUEEGEE CLEANING…….........................................................................................................................................................................12
BRUSHES DISASSEMBLY OF GBZ-520BT.....................................................................................................................................................13
BRUSH DISASSEMBLY OF GBZ-430BT/530BT.............................................................................................................................................13
SOLUTIONS FILTER CLEANING……............................................................................................................................................................14
WEEKLY MAINTENANCE.....................................................................................................................................................................................14
SQUEEGEE HOSE CLEANING…………........................................................................................................................................................14
SOLUTION TANK CLEANING........................................................................................................................................................................14
SQUEEGEE CENTRE RUBBER REPLACEMENT.............................................................................................................................................15
COMMON FAULTS AND PROCESSED MEASURES…….......................................................................................................................................15
INSUFFICIENT WATER TO THE BRUSH.........................................................................................................................................................15
THE MACHINE DOES NOT CLEAN PROPERLY..............................................................................................................................................15
THE SQUEEGEE CAN NOT DRY THE FLOOR PERFECTLY…………………………………..........................................................................15
TOO MUCH FOAM........................................................................................................................................................................................16
CHOICE AND USE OF BRUSHES..........................................................................................................................................................................16
GENERAL SECURITY RULES…………...............................................................................................................................................................17

3
THE DELIVERY OF THE MACHINE
When the customer received the machine, an immediate check must be performed to ensure all the material mentioned in the
shipping documents have been received and moreover to find out that the machine has not suffered damage during
transportation. If damage has occurred, get the shipping agent to verify immediately the amount and nature of the damage
suffered and at the same time inform our service department. It is only by prompt action of this type that compensation for
damage may be successfully claimed.
INTRODUCTORY COMMENT
This is a sweep & scrubbing machine which use the mechanic abrasive action of a rotary brush and the chemical action of a
solution water detergent is able to clean any type of floor, picking up during its advance movement, the removed dirt and the
detergent solution which has not been absorbed from the floor.
We would impress upon you that any machine will function efficiently and operate successfully, only if used correctly and
maintained in fully efficient working order. We therefore suggest you to read this manual carefully and re-read it whenever
difficulties arise in the course of machine use. Our service department is at your disposal for all such advice and servicing as
may prove necessary.
TECHNICALDESCRIPTION
TECHNICAL DATA U/M GBZ-430BT GBZ-530BT GBZ-520BT
Cleaning width Mm 430 530 520
Squeegee width Mm 660 740 660
Working capacity, up to Sqm/h 1470 1800 1750
Brushes diameter Mm 1x430 1x530 2x255
Brushes speed Rpm 180 180 275
Brushes pressure Kg 20 max 25 max 22 max
Brush motor power W 550 550 400
Drive motor power W 140 140 140
Max. movement speed km/h 3,5 3,5 3,5
Max. gradient 2% 2% 2%
Suction motor power W 370 370 370
Suction vacuum Mbar 100 100 100
Solution tank capacity L 42 42 42
Recovery tank capacity L 47 47 47
Machine length Mm 1060 1220 1100
Machine height Mm 960 960 960
Machine width(without squeegee) Mm 455 540 565
Batteries voltage V 24 24 24
Batteries max. capacity Ah 100 100 100
Batteries compartment Mm 360x330x250 360x330x250 360x330x250
Batteries weight Kg 72 72 72
Machine weight(without batteries) Kg 80 85 82
Acoustic radiation pressure level db (A) <70 <70 <70
Vibration level m/sqs 1.00 1.00 1.00

4
SYMBOLOGY USED ON THE MACHINE
Valve symbol, indicates the valve open signal lamp
Brush base lift/lower symbol, indicate the base lift level
Brush symbol, indicates the brush motor switch
Vacuum motor symbol, indicates the vacuum motor switch
Squeegeesymbol, indicates the squeegee position
Battery switch symbol, indicates the power on/off
Batteries charging level symbol, indicates the batteries charging level
Indicates the detergent solution maximum temperature; it is placed close to the solution tank inlet
opening

5
Indicates the recovery tank outlet pipe
Open book symbol, indicates the operator to read the manual before using the machine
Hook symbol, indicates anchoring points and lift direction.
Warning symbol, carefully read the sections marked with this symbol, for the security of both
operator and the machine
MACHINE PREPARATION
HANDLING OF THE PACKED MACHINE
The machine is contained in specific packing with a wood pallet so that a forklift can move it. No more than two packages
can be stacked on each other, packing dimensions are as following：
A: 1130 mm B: 620 mm C: 1260 mm
HOW TO UNPACK THE MACHINE
1. Remove the strap.
2. Remove outer packing.

6
3. Take away the wheel hook.
4. Lift the brush base.
5. Use a ramp to lower the machine from the pallet, pushing it backward in reverse.Avoid violent bellows against the base.
6. Keep the wood pallet for future transportation.
BATTERY TYPE
For the energy supply of the machine uses two:
1. Lead batteries for traction use and tubular plates and electrolyte free.
2. Battery hermetically sealed for traction recombination of gas with gel technology.
The maximum dimensions of every battery should be: length 360mm, width 195mm, height 250mm.
The maximum weight of every battery should be 37kg.
In order to achieve a tension of 24v the batteries must be connected with a serial connection between them and the connection
process has to be carried out by specialized person, which are trained by our service department.
ATTENTION: when you choose GELbatteries, the PCB board has to be reset by specialized person!
THE BATTERIES INSTALLATION
Batteries must be installed in the battery house below the recovery tank, and must be handled using special lift equipment,
please install the left battery first, than install the right one.
Battery installation procedure:
1. Open the recovery tank cover forward.
2. Remove the squeegee pipe ①from the recovery tank.
3. Turn the filter cover ②in anticlockwise to open it.
4. Disconnect the recovery tank outlet pipe from the hook.
5. Remove the recovery tank.
6. Place the batteries.
7. Connect the batteries.
8. Reassemble everything.
ATTENTION! THE INSTALLATION PROCESS HAS TO BE CARRIED BY SPECIALIZED PERSON.

7
CONNECT THE BATTERY CHARGER
The battery connector ②is placed under the recovery tank cover. The battery charger connector ③is delivered inside the
bag containing this manual, and must be fitted to the battery charger cables according to instructions.
The left picture shows the work connection while the right one shows charging connection.
ATTENTION! THE INSTALLATION PROCESS HAS TO BE CARRIED BY SPECIALISTS. A WRONG OR
DEFECTIVE CONNECTION CAN CAUSE SERIALS DAMAGE TO PERSONS AND MACHINE.
BATTERY CHARGER
Make sure that the battery charger is suitable to the installed battery, both in capacity and in type.
Warning! Never charge a GELbattery with an unsuitable battery charger. Strictly follow the instructions provided by
the battery and battery charger manufacturer.
In order to avoid permanent damage to the battery, they should never be totally discharged. To do this, they should be
recharged within a few minutes after the battery discharge signal start to flash.
ATTENTION:
1. Never left the battery completely discharged, even if the machine is not being used.
2. For the daily recharging of the battery it is necessary to strictly follow the instructions provided by the manufacturer or
dealer.
3. Danger of exhalation of gas and emission of corroding substances.
BATTERY CHARGE LEVELGAUGE
The batteries’ indicator is digital with 4 fixed positions and a blinking one. The numbers, which appear on the display, show
the approximate charge level.
4=maximum charge 3=3/4 charge 2=2/4 charge 1=1/4 charge 0=discharged batteries (blinking)
Warning! 8 seconds after the “0” blinks, the brush motor automatically switches off. Anyway, the machine can finish
drying before recharging the batteries.

8
INSTALLATION OF THE SQUEEGEE
Due to packing reason, the squeegee is supplied separately from the machine. It must be installed as shown in the picture,
threading the retaining pins into the squeegee column. Put on the squeegee suction hose.
ADJUSTMENT OF THE SQUEEGEE HEIGHT
The squeegee height is to be regulated according to rubber wearing. To adjust this: rotate the wing nuts①clockwise to lift
the squeegee and anticlockwise to lower it.
ATTENTION:
The right and left wheels must undergo the same regulation, to allow the squeegee to work parallel to the ground.
ADJUSTMENT OF THE SQUEEGEE INCLINATION
During the running, the center rubber is to be lightly inclined backwards (about 5 mm, on its whole length).if necessary you
can increase the rubber central inclination by turning the regulator ①anticlockwise. To increase the bending of the rubber
on the squeegee sides, turn the regulator clockwise. Once the regulation is finished, lock the block nut.

9
RECOVERY TANK
Open the tank cover and check if the filter cover ②is insert correctly and its notches are blocked turning the plug clockwise
and is well connected with the hose which leads to the suction motor. Further more check if the squeegee hose ①is well
connected and the exhaust plug at the back of the machine is closed.
SOLUTIONWATER
Fill the solution tank with clean water at a temperature not exceed 50 ℃. Add liquid detergent should follow the instruction
of the detergent manufacturer. Use only a minimal percentage of detergent to prevent formation of an excessive quantity of
foam, as this could damage the suction motor.
ATTENTION! NEVER USE PUREACIDS!
INSTALLATION OF SPLASH GUARD
The splash guard is supplied separately from the machine for packing reasons, and is to be installed as shown in the picture:
BRUSH INSTALLATION OF GBZ-520BT
1. Lift the brush base by acting on the pedal.
2. Keeping the base lifted, snap rotate the brush in clockwise until the coupling spring block the 3 buttons; for the left brush,
turn on the opposite direction.
We recommend exchanging daily the right brush with left brush. If the brushes are not new, and their bristles are twisted, you
would better reassemble them in their original position, to avoid any overload on the motor or excessive vibrations.

10
BRUSH INSTALLATION OF GBZ-430BT/530BT
1. Lift the brush base by acting on the pedal.
2. Keeping the brush base lifted, put the brush under the base.
3. Lower the base by release the pedal.
4. Press the operator present control lever 6 and the brush will be hooked automatically.
5. Rotate the knob which indicates as following right picture, you can gain different advance speed.
WORK
PREPARATION
1. Connect the connector ①to the batteries and push the power button② .
2. Press the brush motor switch ③and lever 6 to start the brush motor.
3. Press the vacuum motor button④ to start the vacuum motor.
4. Turn the speed control switch 14 in clockwise.
5. Push the moving switch 15 and lever 7 to start the driving motor.
6. Act on the valve lever ⑤to adjust the detergent solution quantity: it should be enough to wet the floor but not as much
as flow out the splash guard. The detergent quantity depends on floor type, on cleanliness and on speed.
7. Lower the squeegee by acting on the squeegee lever ⑥.
8. During the first few meters check if the water is sufficient and the squeegee dries the floor perfectly.

11
OVERFLOW DEVICE
The machine is supplied with a float block rubber; whenever the recovery tank is full it can close the suction hose. In this
case, you should empty the recovery tank by removing the outlet pipe cap.
ATTENTION!Always wear gloves during this procedure, to avoid any contact with dangerous substances.
TRACTION
The brush obtains the traction of this machine: its inclination while working allows dragging the machine along.
ATTENTION!
WHILE GOING INTO REVERSE, EVEN BRIEFLY, MAKE SURE THAT THE SQUEEGEE IS LIFTED.
COMPLETION WORK
AT THE END OF WORK, PLEASE MAKE MAINTENANCE AS FOLLOWING:
1. Close the valve by raising the lever ①.
2. Lift the brush base by acting on the pedal.
3. Raise squeegee by lever ②.
4. Turn off the moving switch 15.
5. Turn off the speed control switch 14 in anti-clockwise.
6. Turn off the vacuum motor switch ④and the brush motor switch ③.
ATTENTION! IF YOU TURN OFF THE BRUSH MOTOR SWITCH ③BUT THE BATTERY DISPAY REMAINS
ON, IT MEANS THE VALVE IS STILL OPEN, YOU SHOULD CLOSE THE VALVE .
7. Turn off the power switch ⑤ and remove the plug ⑥ from the plug ⑦.
8. Move the machine to the water disposal point.
9. Hold the pipe placed on the back of the machine, remove the outlet cap and empty the recovery tank.
ATTENTION!Always wear gloves during this procedure, to avoid any contact with dangerous substances.
10. Disassembly the brush and clean it by a jet of water (for the disassembly see the following “disassembly of brush” )

12
DAILY MAINTENANCE
RECOVERY TANK CLEANING
1. Take the exhaust pipe from the hook.
2. Remove the outlet cap and empty the recovery tank.
ATTENTION!Always wear gloves during this procedure, to avoid any contact with dangerous substances.
3. Open the recovery tank cover.
4. Remove the filter cover ①by turning it anticlockwise.
5. Take out the filter and its protection.
6. Rinse the recovery tank with a jet of water.
SUCTION FILTER CLEANING
1. Open the recovery tank cover.
2. Remove the filter cover by turning it anticlockwise.
3. Take out the filter and its protection.
4. Clean the filter walls and bottom by a jet of water.
5. Carry out the cleaning procedures very carefully.
6. Reassemble everything.
SQUEEGEE CLEANING
The squeegee must be in perfect working condition to achieve a good drying process, proceed as following:
1. Remove the pipe from the squeegee.
2. Loose the knobs ①shown in the picture.

13
3. Remove the mouth and clean it.
4. Carefully clean the inside of the squeegee.
5. Carefully clean the squeegee rubbers.
6. Reassemble everything.
BRUSHES DISASSEMBLY GBZ-520BT
1. Push pedal down to raise the base.
2. Turn off the power switch ①and remove the plug ② from the plug ③ to shut off the power.
WARNING! Removing the brushes with power on may cause injury to the hands.
3. Keeping the base raised, rotate the brush until the 3 buttons release from the spring block. The following picture shows
the direction of rotation for releasing the right brush. Rotate in opposite direction for the left brush.
ATTENTION!
MAKE SURE THAT NO PERSON OR OBJECTARE NEARBY THE BRUSHES DURING THE OPERATION.
BRUSHES DISASSEMBLY GBZ-430BT/530BT
1. Push pedal down to raise the base.
2. Keeping the lifted position.
3. Push the brush release lever 6 for 1 second then release, the brush will fall down automatically.

14
CLEANING SOLUTION FILTER
1. Rotate the wing nut in anticlockwise to take out the filter.
2. Clean it thoroughly.
3. Reassemble everything.
ATTENTION!Always wear gloves during this procedure, to avoid any contact with dangerous substances.
WEEKLY MAINTENANCE
CLEANING SQUEEGEE HOSE
Weekly or whenever the suction is insufficient, it is necessary to clean the squeegee hose, proceed as following procedures:
1. Remove the pipe from the squeegee sleeve.
2. Take out the other end from the recovery tank.
3. Wash the inside of the pipe with a jet of water, from the side it is plug to the tank.
4. Reassemble the pipe.
ATTENTION! DO NOT WASH THE PIPE THAT CONNECT THE VACUUM MOTOR AND FILTER COVER!
CLEANING SOLUTION TANK
1. Remove the recovery tank cover.
2. Flush the inside of the solution tank by a jet of water.
3. Take out the solution filter ①, empty the solution tank.
ATTENTION!Always wear gloves during this procedure, to avoid any contact with dangerous substances.

15
SQUEEGEE RUBBERS REPLACEMENT
Check the squeegee rubbers wear and replace them if necessary:
1. Take away the pipe from the squeegee sleeve.
2. Remove the pins from the column.
3. Remove the squeegee from its support.
4. Loosen the wing nuts ①blocking the rubber blades and take them off.
5. Replace the rubbers.
6. Reassemble everything.
COMMON FAULTSAND PROCESSED MEASURES
INSUFFICIENT WATER TO THE BRUSHES
1. Check the valve lever ①is open or not.
2. Check there is water in the solution tank or not.
THE MACHINE DOES NOT CLEAN PROPERLY
1. Check the brushes wear and replace them if necessary (the brushes must be replaced when the bristles are 15 mm high)
2. Use another type of brush rather than the standard brush. We recommend, for cleaning exceptionally difficult dirty floors
use special brushes (see “CHOICEAND USE OF BRUSHES)
THE SQUEEGEE DOES NOT DRY PERFECTLY
1. Check if the squeegee rubbers are clean.
2. Adjust the squeegee inclination.
3. Check the connection between the suction pipe and recovery tank.
4. Remove the whole suction unit and clean it.
5. Replace the rubbers if worn.
6. Check if the suction motor switch is turn on.
7. Check the wheels regulation.

16
FOAM OVER-FORMATION
1. Check if the low-foam detergent is used, if necessary add little anti-foam liquid to the recovery tank.
2. Please remember that more foam is generated when the floor is clean, in this case use a more diluted detergent.
CHOICEAND USE OF BRUSHES
POLYPROPYLENE BRUSH（PPL）
It is used on all floor types and offers good resistance to wear and to hot water (not over 60℃). PPL is not hygroscopic, and
then preserves its character even when working on wet floors.
NYLON BRUSH
It is used on all floor types and offers excellent resistance to wear and to hot water (not over 60℃). NYLON is hygroscopic
and tends, over a period of time, to loose its character when working on wet floors.
ABRASIVE BRUSH
This brush bristles are impregnated with highly aggressive abrasives. The brush is used to clean very dirty floors. We
recommend using only the minimum pressure to prevent damages to the floor.
BRISTLES THICKNESS
Thicker bristles are stiffer and should be used on smooth floors with narrow joints between tiles. We recommend using soft
bristles when floors are uneven or have deep joints or raised edges.
PAD HOLDER
Pad holder is recommended for cleaning polished surface, there are two types of pad holders:
1. Traditional pad holders with set of anchor stubs that retain and drive abrasive disk during operation.
2. CENTER LOCK Pad holders which, in addition to anchor stubs, also have a plastic snap-in centre lock system. This
permits perfect centering of the abrasive disk and ensures it is kept anchored without detaching. This type of pad holder
is best for machines with several brushes.
LIST FOR THE CHOICE OF BRUSHES
Machine Quantity Bristles Bristle diameter Brush diameter
GBZ-430B
1
PPL
PPL
PPL
Abrasive
Pad holder
0.3mm
0.6mm
0.9mm
1mm
420mm
GBZ-530B
1
PPL
PPL
PPL
Abrasive
Pad holder
0.3mm
0.6mm
0.9mm
1mm
508mm
GBZ-520B
2
PPL
PPL
PPL
Abrasive
Pad holder
0.3mm
0.5mm
0.9mm
1mm
255mm
255mm
255mm
255mm
245mm

17
GENERAL SECURITY RULES
Please carefully follow the listed below rules in order to avoid harm to the operator and damage to the machine:
1. Read the labels on the machine carefully. Never cover them for any reason and always immediately replace them
if they are damaged.
2. The machine is to be used only by authorized and trained person.
3. Pay attention to other people particularly to children while the machine is working.
4. Never mix different types of detergent: this could generate noxious gases.
5. Never load the machine into container with liquids in it.
6. Never put the machine in lateral and invert placement.
7. Machine storage temperature must be between -25℃and +55℃.
8. Operating conditions: room temperature between 0℃and +40℃with respective humidity between 30 and 95.
9. Never use the machine in an explosive environment.
10. Never use the machine to transport goods.
11. Never use acid solutions, which could damage people or the machine.
12. Avoid running the brushes with the machine stopped: it could damage the floor.
13. Never use flammable liquids.
14. The machine is not suitable for cleaning hazardous dust.
15. Use a powder fire extinguisher in case of fire, do not use water.
16. Do not hit against shelving or scaffolding when there is danger of falling objects.
17. Suit operating speed to traction conditions.
18. Do not exceed over the limit gradient stated on the machine plate, to avoid conditions of instability.
19. Never running the machine on uneven floor or in the area with big dust.
20. The machine must perform washing and drying operations at the same time, operating on wet floor with suitable
signs.
21. Whenever the machine has operating troubles please make sure they are not caused by insufficient maintenance,
then contact the nearest GREATBULLservice centre.
22. When replacing machine parts, always ask for original GREATBULL spare parts from authorized agent or
dealer.
23. Use only original GREATBULLbrushes indicate in the chapter “CHOICE AND USE OF BRUSHES”.
24. Always cut off the electric power of the machine whenever maintenance is performed.
25. Restore all electrical connections after any maintenance operation.
26. Never remove guards that require tools for removal.
27. Never wash the machine with direct pressured jet of water or with corrosive substances.
28. Send your machine to the nearest GREATBULL service centre to check after 200 operating hours.
29. Do not fill the detergent solutions many hours before using the machine.
30. Before using the machine, make sure that all the covers and caps are positioned as shown in this manual.
31. Before removing the recovery tank, make sure that the tank is empty.
32. Deal with the consumption materials according to the local laws.
33. After years of efficient work your machine will be ready to “scrap”, deal with its composing materials in proper
way, and please remember that the machine has been built using totally recyclable materials.

18
ZHEJIANG GREATBULL INDUSTRY & TRADE CO.,LTD
ADD: North Functional Zone of Xiaoshun Town, Jindong District,Jinhua, Zhejiang,China
Sales: 4008058580 Fax: [phone] Service: [phone]
www.great-bull.com www.zjgreatbull.com MP:13967912599
E-mail: [e-mail] w[email protected]