How it Works
Superabrasive
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L30LE
User Manual
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Superabrasive L25LEHV, L25LEU, L30LE, L30LEHV, L25E User Manual

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LAVINA ELITE L25LEU
User Manual
www.superabrasive.com / factory@superabrasive.com
WARRANTY AND RETURNS
WARRANTY POLICY FOR LAVINA® ELITE MACHINES
A warranty card must be submitted to Superabrasive within 30 days of purchase in order for the foregoing warranty to apply.
You can either mail a hard copy of the warranty card or submit it electronically - see page 2. Superabrasive warrants, from the time of delivery and receipt by the original customer, new and unused products sold by Superabrasive or Superabrasive-appointed distributors or dealers. Goods shall be free from defects in materials and workmanship. Superabrasive or a Superabrasive-appointed repair facility shall either replace or repair any defects in the Goods resulting from faulty design, materials, or workmanship. Products repaired or replaced during the warranty period shall be covered by the foregoing warranty for the remainder of the original warranty period, or ninety (90) days from date of the repair or shipment of the replacement, whichever is longer. Spare parts for repair will be either new or equivalent to new.
Warranty period shall be 2 years from the time of delivery and receipt by the original customer, or 600 operating hours on the machine - whichever occurs first. Superabrasive will cover the shipping charges for the transportation of the machine to Superabrasive (or an approved repair facility) and back to the customer (within the contiguous 48 United States) in the event that the damage occurs and is reported within 200 operating hours. Shipping charges, if covered by Superabrasive, must be agreed upon in advance and approved by Superabrasive. Thereafter, the customer will have to cover the shipping charges to Superabrasive and back. Superabrasive will not warranty Goods after a period of 2 years from the time of delivery and receipt by the original customer, or 600 operating hours on the machine - whichever occurs first. Superabrasive shall not be liable for any defects that are caused by circumstances that occur after the Goods have been delivered and whilst the Goods are in the possession of the purchaser. Furthermore, the warranty does not include normal wear and tear or deterioration. Wear parts are not warranted. Superabrasive is not liable for defects arising out of use of non-OEM parts.
The Warranty is void if the purchaser has not followed the maintenance plan stipulated by the machine’s manual and warranty card. The warranty is void if the purchaser repairs said Goods himself, or if repairs are conducted by a repair facility that is not approved by Superabrasive. Superabrasive’s liability does not cover defects which are caused by faulty maintenance, incorrect operation, faulty repair by the purchaser, or by alterations conducted without Superabrasive’s prior written consent. The same applies to any alterations of the Goods or services performed by another party other than Superabrasive, a Superabrasive­appointed distributor, or a Superabrasive-approved repair facility. The warranty is not applicable on a defect that arises due to tools or parts that are not original to Superabrasive. Replaced defective parts shall be placed at Superabrasive’s disposal and shall become property of Superabrasive. If such defective parts are replaced within the warranty period, the shipping charges will be covered by Superabrasive. In warranty complaint cases, when no defects are found for which Superabrasive is liable, Superabrasive shall be entitled to compensation for the labor, material cost, and shipping charges, incurred by Superabrasive as as a result of the complaint.
The warranty herein is non-transferable, and only applies to the original owner or purchaser of the machine.
RETURN POLICY FOR LAVINA® ELITE MACHINES
The Lavina® ELITE machines may be returned, subject to the following terms: In no case, a machine is to be returned to Superabrasive Inc. for credit or repair without prior authorization. Please contact Superabrasive Inc. or your local distributor for an authorization and issuance of a return authorization number. This number along with the serial number of the machine must be included on all packages and correspondence. Machines returned without prior authorization will remain property of the sender and Superabrasive Inc. will not be responsible for them. No machines will be credited after 90 days from the date of invoice.
All returns must be shipped freight prepaid. Returned machines may be exchanged for other equipment or parts of equal dollar value. If machines are not exchanged, they are subject to a fifteen percent (15%) restocking fee.
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LAVINA ELITE L25LEU.................................................................. 1
1. GENERAL INFORMATION ................................................................. 4
1.1 MANUFACTURER........................................................................... 4
1.2 GENERAL DESCRIPTION ................................................................. 4
1.3 ENVIRONMENTAL CONDITIONS ..................................................... 4
1.4 VACUUM CONNECTION ................................................................. 4
1.5 LAVINA® 25LEU MAIN COMPONENTS ............................................ 4
1.6 TECHNICAL DATA .......................................................................... 6
1.7 VIBRATIONS .................................................................................. 6
1.8 CE-CERTIFICATION ......................................................................... 6
2. SAFETY INSTRUCTIONS .................................................................... 7
RECOMMENDED USE .......................................................................... 7
PROHIBITED USE ........................................................................... 7
PREPARATION FOR WORK .................................................................. 7
PROTECTION DEVICES .................................................................... 7
ARREST FUNCTIONS ...................................................................... 7
SAFE USE ..................................................................................... 7
RESIDUAL RISKS ........................................................................... 7
BEFORE YOU BEGIN ...................................................................... 7
OPERATING MACHINE ................................................................... 7
AFTER WORK IS COMPLETED ............................................................... 7
THE WORK AREA ..................................................................... 8
PERSONAL PROTECTIVE ................................................................ 8
EQUIPMENT (PPE) ............................................................................... 8
OPERATOR .......................................................................................... 8
3. HANDLING AND TRANSPORTATION ..................................................... 8
3.1 ADJUSTING THE HANDLE ............................................................... 8
3.2 TURNING THE MACHINE FROM WORKING TO TOOL MOUNTING
POSITION ............................................................................................ 9
3.3 LIFTING ......................................................................................... 9
3.4 STORAGE ...................................................................................... 9
4. OPERATION ......................................................................................... 9
4.1 PRELIMINARY CONTROLS .............................................................. 9
4.2 WATER FLOW CONTROL SYSTEM ................................................. 10
4.3 ADJUSTING AND MOUNTING TOOLS ........................................... 11
4.4 VACUUM CONNECTION ............................................................... 11
4.5 CONTROL BOARD ........................................................................ 12
4.6 STARTING THE MACHINE ............................................................. 12
4.7 OPERATING THE MACHINE .......................................................... 12
4.8 STOPPING THE MACHINE ............................................................ 13
5. TOOLS AND ACCESSORIES ............................................................. 13
TOOL HOLDER KEY ............................................................................ 13
SECURITY PLATE FOR QUICKCHANGE PADS ....................................... 13
6. POPULAR TOOLS ........................................................................... 14
7. MAINTENANCE AND INSPECTION .................................................. 15
CLEANING ......................................................................................... 15
CHECK DAILY .................................................................................... 15
......................................................................................................... 15
CHECK EVERY 200 WORKING HOURS ................................................. 15
CHECK EVERY 400 WORKING HOURS ................................................. 15
VACUUM .......................................................................................... 15
WATER LEAKS ................................................................................... 15
MECHANICAL PARTS ......................................................................... 15
ELECTRICAL SYSTEM .......................................................................... 16
LAVINA® 25LEU ELECTRICAL SCHEMES WITH YASKAWA INVERTER .... 16
LAVINA® 25LEU ELECTRICAL SCHEMES YASKAWA CONNECTION MAIN
CIRCUIT TERMINALS .......................................................................... 17
8. TROUBLESHOOTING ...................................................................... 18
INDEX OF PROBLEMS AND SOLUTIONS .............................................. 18
8.1 SEPARATING THE HEAD FROM THE CARRIAGE ............................. 18
8.2 DISMOUNTING/MOUNTING THE GUARD ..................................... 20
8.3 REPLACING POWER CORD AND PLUGS ......................................... 20
8.4 DISMOUNTING AND MOUNTING TOOL HOLDER TO CHANGING V-
RINGS AND FELT-RINGS ..................................................................... 20
8.5 DISASSEMBLING AND MOUNTING TOOL HOLDER TO CHANGE
BUFFERS AND ELASTIC ELEMENT ....................................................... 21
8.6 CORRECTING DEFLECTION OF THE USED PLANETARY CHAIN ......... 22
MOUNTING NEW PLANETARY CHAIN ............................................... 22
8.7 REPLACING THE PLANETARY DRIVING CHAIN WHEEL AND
PLANETARY TENSIONER .................................................................... 23
8.8 TENSIONING AND REPLACING THE BELTS ..................................... 24
......................................................................................................... 24
8.9 REPLACING THE DRIVEN PLANETARY GEAR (SPROCKET) ............... 26
8.10 REPLACING THE PULLEY UNITS ................................................... 26
8.11 REPLACING THE PLANETARY UNIT .............................................. 27
8.12 MOTOR CONNECTION ............................................................... 27
8.13 FAULT DIAGNOSIS INVERTER YASKAWA V1000 .......................... 28
9. DISPOSAL ...................................................................................... 30
10. MANUFACTURER’S CONTACTS ..................................................... 30
11. SPARE PARTS ............................................................................... 31
ASSEMBLY AND PARTS SPECIFICATIONS ............................................ 31
......................................................................................................... 31
1. LAVINA®25LEU GENERAL PARTS ................................................... 31
2. LAVINA® 25LEU BUMPER ............................................................. 31
3. LAVINA® 25LEU TOP COVER 1 PARTS ............................................ 32
4. LAVINA®25LEU GARD ASSEMBLY ................................................. 32
5. LAVINA®25LEU TOP COVER ASSEMBLY ......................................... 32
6. LAVINA® 25LEU BOTTOM COVER 1 PARTS ..................................... 33
7. LAVINA® 25LEU PLANETARY DRIVE PARTS .................................... 34
7.1. LAVINA® 25LEU PULLEY UNIT ASSEMBLY .................................. 35
8. LAVINA® 25LEU BOTTOM COVER 2 PARTS ..................................... 35
9. LAVINA®25LE TOOL HOLDER PARTS/SEE ALSO FIG.8.7.13/ ........... 36
(POS.1 INCLUDE POS.1.1;1.2;1.3/POS.1.3 INCLUDE POS.1.3.1 AND ETC.)
......................................................................................................... 36
10. LAVINA® 25LEU CARRIAGE PARTS 1............................................ 36
11. LAVINA® 25LEU CARRIAGE PARTS 2............................................ 37
12. LAVINA® 25LEU CARRIAGE PARTS 3............................................ 37
13. LAVINA® 25LEU WATER TANK ................................................... 38
14. LAVINA® 25LEU WATER BALL VALVE ........................................... 38
15. LAVINA® 25LEU WATER PUMP REGULATOR .............................. 38
16. LAVINA® 25LEU WATER PUMP .................................................. 39
17. LAVINA® 25LEU WATER INSTALLATION ..................................... 39
18 CONTROL BOARD ASSEMBLY ........................................................ 40
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1. GENERAL INFORMATION
This owner’s manual is intended for the operator of the Lavina® ELITE machine, the servicing technician as well as for anyone involved with operating or servicing the machine. We recommend that you read the instructions very carefully and follow them strictly. The manual includes information about assembling, using, handling, adjusting and maintaining your Lavina® ELITE floor grinding and polishing machine.
1.1 MANUFACTURER
Superabrasive was founded in 1987, as a manufacturer of high quality diamond tools for the stone and concrete industry. Today, Superabrasive is one of the world’s leading companies in the production of diamond tools and floor grinding machinery. At Superabrasive, we strive to deliver the very best solutions to our customers, and enable them to work more efficiently.
1.2 GENERAL DESCRIPTION
The Lavina® ELITE machine is intended for grinding, polishing and buffing concrete, marble, granite, limestone and terrazzo surfaces with diamond tools. Additionally, the machine could be used for grinding wood floor surfaces. The Lavina® ELITE machine is a three-disc machine, which can be used wet or dry. For best results, use only tools manufactured or recommended by Superabrasive and its distributors.
The Lavina® ELITE machine is manufactured and fitted for the above-mentioned applications only! Every other use may possess risks to the persons involved.
1.3 ENVIRONMENTAL CONDITIONS
The temperature range for operating the Lavina® ELITE machine outdoors is between 41°F and 86°F or 5°C and 30°C. Never use
the
Lavina® ELITE machine during rain or snow when working outdoors. When working indoors, always operate the
machine in
1.4 VACUUM CONNECTION
A connection for a vacuum dust extractor is located on the carriage. The Lavina® ELITE machine does not include a vacuum dust extractor. The customer must purchase the vacuum dust extractor separately. The vacuum dust extractor must be adapted for floor grinders and have a minimum air displacement of 310m3/h with a negative vacuum of 21 kPa.
1.5 LAVINA® 25LEU MAIN COMPONENTS
The Lavina® ELITE machine is made of two main component sections:
well‐
ventilated
1.5.1 Carriage which contains:
Handle - the handle on the frame is adjustable in height and allows the operator to work in a correct and safe
posture (see point 3. Handling and transportation).
LED lights - the LED lights (Fig.1.1; Fig.1.2) enables the operator to work in darker
does not replace adequate overhead
The control panel (fig.1.3) is positioned on top of the frame and contains
machine also for the pump, lights, RPMs control switch, hour meter unit, EMG button and the USB port for charging your phone.
The water tank is on the opposite side of the frame, so that the weight of
operation of the machine. The frame weight, on electric pump sprays
Power box Water pump
areas.
areas.
Existing lighting system
lighting.
the
water through a front mist system or
buttons and switches for start/stop the
the
water does not affect the
the
other hand, is fully absorbed by the driving wheels. An
internal under cover.
4
Figure 1.1
Figure 1.2
Figure 1.3
1.5.2 Machine head which contains:
The Electric motor - its mounted on the base plate The planetary motion - it derives from the main engine, driven by a simplex roller chain The self‐leveling Guard is designed to have contact with the surface. Anytime,
the tool
used.
 “Quickchange” tool holder is designed to hold the tools with
and
it is driving the three heads with a belt
no
matter the height of
“Quickchange”connection (All of our new tools
system.
.
use the “Quickchange” connection and there is no more foam holders).
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Lavina® 25LEU
Voltage/Hz
3 ph x 380-400V 50-60Hz
Amperage
Max 30 Amps
Power
11 kW
15 HP
Tool holder rpm
300-1100 rpm
Working width
655 mm
25.8”
Tool diameter (QC Plate)
3x 225 mm
3x 9”
Weight
380 kg
838 lbs
Grinding pressure Weights upward
201 kg
443 lbs
Grinding pressure Weights downward
237 kg
522 lbs
Application
wet and dry
Vacuum hose port
Cam lock E250
Water tank capacity
20 l
5.2 gal
Water feed
Peripheral and front mist with pump
Cable length
17.4 m
57 ft
Machine LxWxH
1430x617x1214 mm
56x24.3x47.8”
Packing LxWxH Crate 1
1480x840x1454 mm
58.3x33x57.2”
1.6 TECHNICAL DATA
1.7 VIBRATIONS
The vibrations of the machine are within the limits of directives and harmonized standards from the European Union when Lavina® ELITE is operated with the recommended tools and in normal
SONOROUS
EMISSIONS
conditions
.
The sonorous emissions are within the limits of directives and harmonized standards from the European Union when the
Lavina®
must wear
LABEL
The data on the label provides the correct Voltage and kW (needed for operational Weight (needed for transportation purposes); production year and serial number (needed for maintenance
CUSTOMER
ELITE is operated with the recommended tools and in normal conditions. However, as previously stated, the operator
ear protectors.
DATA
SERVICE
purposes);
purposes).
For customer assistance and technical support call your local distributor or call Superabrasive Inc. at 1‐800‐987‐8403 or visit us at: www.superabrasive.com , where you can download a copy of this
manual
.
1.8 CE-CERTIFICATION
The Lavina® ELITE machine is designed to operate correctly in an electromagnetic atmosphere of industrial type and is
equipped with all the mechanical and electrical safety protections in conformity with the following European CEE rules and regulations:
The Lavina® ELITE machine complies with the Safety Directive for machines 2006/42/EC, the EMC Directive 2004/108/EC and
the Low Voltage Directive 2006/95/EC. Also complies with the norms in use BDS EN ISO 12100, BDS EN 13862,BDS EN ISO 13857, BDS EN 349, BDS EN ISO 13850,BDS EN 13732-1, BDS EN 953, BDS EN ISO 13849-1,BDS EN 1037, BDS EN ISO 5349-1, BDS EN ISO 11201, BDS EN ISO 3744, BDS EN 1033:2002, BDS EN 60204-1,BDS EN 1837, BDS EN 61000-6-4, BDS EN 61000-6-2, BDS EN 61000-4-2, BDS EN 61000-4-4, BDS EN 61000-4-5,BDS EN 61000-4-11, BDS EN 55016-2-1 Test results are a part of the machine’s technical information and can be sent upon a special request. The machine is delivered with the CE mark exposed and provided with a EC declaration of conformity.
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the
2. SAFETY INSTRUCTIONS
Recommended Use
The Lavina® E machine is designed and manufactured to grind and polish concrete, terrazzo, and natural stone floors. It can be used for renovation as well as for polishing. The machine is designed for dry or wet use. When using it dry, use a vacuum of appropriate size. For more information, please refer to the chapter on handling the vacuum connection. Prohibited Use
The machine MUST NOT be used:
For applications different from the ones stated in the general
description chapter.
For non-suitable materials. In environments which:
- Possess risks of explosion,
- Possess high concentration of powders or oil substances in the
air,
- Possess risks of fire Feature inclement conditions,
- Possess electromagnetic radiation.
PREPARATION FOR WORK Make sure that:
You have closed the work area, so that no person unfamiliar with
operating the machine can enter the area.
The tool plate and tools are adjusted to the machine properly. There are no missing parts of the machine
The machine is in upright working position. The protection devices are working properly. The electrical cable is free to move and follow the machine
easily.
In order to keep the electrical cable from being damaged, no
vehicle should cross the zone where electrical cables are situated.
PROTECTION DEVICES
The machine is equipped with several protection devices including the following:
• An emergency stop button
• A protection skirt and a hood for protecting the tool plates.
These devices protect the operator and/or others persons from potential injuries. Do not remove them. Before using the machine, please ensure that all protection devices are mounted and function properly. The Security plate prevents the QuickChange pads to from loosening during work
Arrest Functions
Methods of arresting of the machine are following:
• Button to stop the motor (category 1)
• Emergency button (category 1)
Safe Use
The Lavina® E is designed to reduce risks correlated with its use. However, it is not possible to fully eliminate the risks of an accident with the machine. An unskilled or uninstructed operator may cause correlated residual risks. Such risks are:
• Position Risks: due to operator’s incorrect working position
• Entanglement Risks: due to wearing inappropriate
working clothes
• Training Risks: due to lack of operational training.
• NOTE: In order to reduce any consequences of the
above‐ mentioned risks, we advise that machine operators follow the instructions in the manual at all times.
Residual Risks
During the normal operating and maintenance cycles, the operator is exposed to some residual risks, which cannot be eliminated due to the nature of the operations.
Before You Begin
Working area must be clear from any debris or objects. A first‐time operator must always read the manual and pay
attention to all safety instructions.
All electric connections and cables must be inspected for
potential damages.
Ground wire system of the power supply must be also
inspected.
Perform general daily inspections of the machine and inspect
the machine before each use.
Always inspect the safety devices: Mount the Security plate
for the QuickChange pads.
The emergency break must be clear and working The tool protector must be working The machine must be clean Never operate the machine in
the rain!
Confirm that there are no missing parts especially after
transportation, repair or maintenance.
• Before filling the water tank with water make sure the
machine is not working and the main switch is turned off.
• Before turning on the machine make sure that the base is
placed on the floor, the machine MUST NOT be in an upright position when turned on!
Operating Machine
When operating the Lavina® E, make certain that there is no one but you around the machine. Never leave the machine unattended while working. The
electrical cable must move freely and must be damage‐ free. The water hose must move freely and must be damage‐free.
Check to make sure the floor you are preparing to work on is even. If the floor is uneven, it may damage the machine.
AFTER WORK IS COMPLETED
• Clean the machine and its surroundings properly
• Empty and clean the water tank
7
Figure 3.2
Figure 3.3
Figure 3.4
• Unplug the machine and wind up the electrical cable
• Store the machine in a safe place
The Work Area
• Ensure that people or vehicles do not enter the work area.
• Clear any cables or hoses from the work area.
• Always check the floor for debris.
Personal Protective Equipment (PPE)
• Always wear safety shoes when working with the machine.
• Always wear ear protectors when working with the machine.
• All personnel in the immediate work area must wear safety
glasses with side shields.
• Always wear safety gloves when changing the tools.
• Always wear clothes suitable for the work environment.
The operator must know the machine’s work environment.
Only one operator can work with the machine at a time. The
operator must be properly trained and well‐instructed prior
operating the machine.
• The operator must understand all the instructions in this
manual.
• The operator must understand and be able to interpret all
the drawings and designs in manual.
• The operator must know all sanitation and safety regulations
pertaining to the operation of the machine The operator must have floor grinding experience.
• The operator must know what to do in case of emergency.
• The operator must have adequate technical knowledge and
preparation.
OPERATOR
3. HANDLING AND TRANSPORTATION
3.1 ADJUSTING THE HANDLE
The Handle on the frame is adjustable in height and allows the operator to work in a correct and safe posture (Fig. 3.1, Fig.
3.2, Fig. 3.3, and Fig.3.5). Choose the upright position to move easy the machine.
8
Figure 3.7
Figure 3.5
Figure 3.6
3.2 TURNING THE MACHINE FROM WORKING TO TOOL MOUNTING POSITION
Put the handles of the carriage as shown on (Fig. 3.5). Ensure that the water tank is empty in position shown on (Fig.
before
flipping the machine. Push the handles and flip
3.6).
If necessary, help by placing your foot on
the heel near the control box.
3.3 LIFTING
Lifting the machine by crane is possible by using the handles of the carriage (see fig. 3.5 and fig. 3.6).Do not lift any other loads on the machine. Always use
hoisting
equipment rated for 350 kg (772
lbs) or greater.
3.4 STORAGE
Always store the LAVINA® ELITE machine in a dry place. Never transport be damaged if transported snow.
When the machine is in storage and the temperature may fall down to or below 32F (or 0o C). You should empty the water from the system:
- Pull out the hose of the tank (Fig.3.7)
- With compressed air blow out the water from the
system in the two positions of the turn-cock.
the
LAVINA® ELITE machine unprotected; it may
unprotected
and exposed to rain or
4. OPERATION
4.1 PRELIMINARY CONTROLS
Inspect the working area as explained in the safety instructions. Fill in the water tank for wet use or connect the vacuum extractor and ensure that the vacuum hose is clear and it will follow the machine easily. Make sure that the electrical motor is connected with the power box and then you can connect the power cable with the electricity and start the machine.
9
Figure 4.1
Figure 4.2
Figure 4.3
Figure 4.4
Figure 4.5
Figure 4.6
4.2 WATER FLOW CONTROL SYSTEM
The operator can direct water to be sprayed in front of the machine (Fig.4.1) by positioning the lever in the horizontal position (Fig.4.2). Water will spray under the cover of the machine when the lever is in the vertical position (Fig.4.2). The pressure regulator is located above the lever (Fig.4.3) and controls the water pressure in the system. You can see the whole water flow control system - main and filtering parts in fig4.4. Fig. 4.5 and fig. 4.6 shows how to remove and clean the filter mesh. In the instances where more water is required to spray under the cover of the machine, the orifice plate (shown on pos.8 of table 14 in „spare pats“ ) can be removed.
ALWAYS USE CLEAN WATER TO PROTECT THE SYSTEM FROM DIRT
10
Figure 4.7
Figure 4.8
Figure 4.6
4.3 ADJUSTING AND MOUNTING TOOLS
Lavina® 25LEU uses tool holder A63. With this new holder every one of our tools uses the “Quickchange” connection. To change the tools you need first to unlock the butterfly (fig 4.6 in blue) by using the key we provide you (you can see it in the pictures fig. 4.7) remove the security plate (fig 4.6 in red) then load the tools you want and insert the security plate again so the tools cannot go backwards, rotate and lock the butterfly (as shown in fig.4.7). As you can see in fig. 4.6, for some of the new tools you need to remove the security plate as they don’t need locking system at all but for the others always make sure that the tools are securely locked.
1
In Lavina 25LEU the holder is initially mounted with 3 buffers.
Mount the tools only after ensuring that there is before mounting.
WARNING: Always secure the Quick Change tools with the butterfly (Fig.4.6 in blue), lock with the tool holder key (Fig.4.7) and make sure that the butterfly is securely locked and it holds the security plate not to fall off.
enough
diamond bond material left. Be sure that the plates
2
are
always clean
3
4.4 VACUUM CONNECTION To connect a vacuum cleaner, the Lavina 25LE is supplied with vacuum hose Cam Lock inlet C250 / vacuum hose diam. 2, 5 in
(63mm)
(Fig.4.8).
11
Figure 4.9
4.5 CONTROL BOARD
1. ALARM glowing button. Usually glows when
you pressed the EMG button.
2. USB charger.
3. STOP button which stops the motor.
4. EMERGENCY button used to stop the motor in
case of emergency.
5. POWER glowing button - it glows when the
machine is connected to the electricity.
6. Forward/Reverse switch. Select forward for
clockwise rotation of the grinding plates or reverse for counterclockwise rotation of the grinding plates (recommended configuration). The preferred operating direction should be when the switch is in the forward position. The proper direction of rotation of the motor (counterclockwise) is indicated by an arrow on its cover.
7. Water pump switch. Glows in orange when the
water pump is working.
8. LED lights switch
9. QR code. When you scan it with your phone for example, it will redirect your browser to Lavina manuals page.
10. READY ON / OFF switch. If you want to start the motor it must be ON as it puts the inventor into standby mode (it glows
when it’s turned ON). If it’s off the inventor will be out of standby mode and you cannot start the motor. The switch returns to its starting position after being released.
11. Cup holder.
12. Potentiometer. Controls the RPM of the grinding plates in a range of 300-1100 rpm.
13. RUN button. Start the motor (ready ON/OFF switch must be ON).
14. Digital Tachometer. Indicates the revolution per minute of the grinding plates (not the revolution per minute of the entire
unit).
15. Reset button. Resets the alarm of the inverter.
16. Phone holder.
4.6 STARTING THE MACHINE First, follow the directions in the chapter on Safety Devices and Safety Instructions. Next, release the emergency stop (4), turn the Ready switch (10) to the ON position to put the machine in standby mode. Check the potentiometer (12), and ensure that it is set to
the working speed. If you are working wet, add water to the floor surface by starting the pump (7). If you are working dry make sure your machine is connected to the vacuum unit. Finally, hold the machine firmly and push the RUN button (13).
4.7 OPERATING THE MACHINE
Guide the machine in straight lines across the floor, slightly overlapping the previously completed surface with each new line. Work at a constant speed, allowing the tools time to work at a speed appropriate for the tools’ grit size. Avoid vibrations. Do not stop the machine while tools are still running as they will mark the surface of the floor. When working wet, select the destination of the water feed with the water tap (fig. 4.2) and periodically run the pump to release water onto the floor surface. Starting the pump is possible only if the machine motor is on. When working dry, check the floor surface periodically for dust accumulation. Check regularly to see if you’re vacuum works properly.
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