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lavina S7 Series Operation Manual

S7 series operation manual, 19" electric grinders
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Operation Manual
S7 SERIES
19" Electric Grinders
L19S7
L19ES7
L19EUS7

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Summary of Contents for lavina S7 Series

  • Page 1 Operation Manual S7 SERIES 19" Electric Grinders L19S7 L19ES7 L19EUS7...
  • Page 2 GENERAL DESCRIPTION ..................... 3 1.3. ENVIROMENTAL CONDITIONS .................... 3 1.4. WARRANTY AND RETURNS ....................4 1.4.1. WARRANTY POLICY FOR LAVINA® MACHINES ............4 1.4.2. RETURN POLICY FOR LAVINA® MACHINES ............. 5 SAFETY INSTRUCTIONS ......................6 2.1. RECCOMENDED USE ......................6 2.2.
  • Page 3 LAVINA ® SERIES 7 VERSION 1 YEAR 2024 5.6. STARTING THE MACHINE ....................19 5.7. WHILE OPERATING THE MACHINE................... 19 5.8. STOPPING THE MACHINE ....................20 TOOLS AND ACCESSORIES ..................... 21 6.1. RECOMMENDED TOOLS ....................22 MAINTANANCE AND INSPECTATION ..................23 7.1.
  • Page 4 1.2. GENERAL DESCRIPTION ® The Lavina machines are designed 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.
  • Page 5 VERSION 1 YEAR 2024 1.4. WARRANTY AND RETURNS 1.4.1. WARRANTY POLICY FOR LAVINA® 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.
  • Page 6 1.4.2. RETURN POLICY FOR LAVINA® MACHINES The Lavina® 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.
  • Page 7 2. SAFETY INSTRUCTIONS 2.1. RECCOMENDED USE ® The Lavina machine is designed and manufactured to grind and polish concrete, terrazzo and natural stone floors. It can be used for renovations as well as for polishing. The machine is designed for dry or wet use. When using it dry, use a vacuum of appropriate size.
  • Page 8 EMG stop button; 2.4. SAFE USE The Lavina machine is designed to reduce all risk correlated with its use. However, it is not possible to fully eliminate the risks of an accident with the machine. Unskilled or uninstructed operator may cause correlated residual risks.
  • Page 9 LAVINA ® SERIES 7 VERSION 1 YEAR 2024  Before filling the water tank with water, make sure the machine is not running and the main switch is turned off.  Before turning on the machine, make sure that the base is placed on the floor.
  • Page 10 LAVINA ® SERIES 7 VERSION 1 YEAR 2024 2.11. OPERATOR  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.
  • Page 11 LAVINA ® SERIES 7 VERSION 1 YEAR 2024 3. MACHINE DESIGN 3.1. MAIN COMPONENTS  The machine contains two main components – the carriage and the grinding head.  The control panel is positioned on the machine’s handle bar.  The handle bar is equipped with two positioning mechanisms, which are designed to provide the operator with the most convenient operating position for him.
  • Page 12 LAVINA ® SERIES 7 VERSION 1 YEAR 2024 COVER WHEEL GRINDING HEAD SWITCHBOARD HEAD HANDLE VACUUM HOSE PORT ELECTRICAL MOTOR ON/OFF SWITCH HADNLE POWER INDICATOR QUICK WATER CONNECTION EMG STOP BUTTON Page | 11 WWW.SUPERABRASIVE.COM...
  • Page 13 LAVINA ® SERIES 7 VERSION 1 YEAR 2024 3.2. TECHNICAL DATA ® ® ® MODEL LAVINA L19S7 LAVINA L19EUS7 LAVINA L19ES7 Voltage/hz 1 ph x 115V 60Hz 1 ph x 200-240V 60Hz 1 ph x 200-240V 50Hz Amperage, amps Max 20...
  • Page 14 LAVINA ® SERIES 7 VERSION 1 YEAR 2024 3.3. VIBRATIONS The vibrations of the machine are within the limits of directives and harmonized standards from European Union when the machine is operated with recommended tools and in normal conditions. 3.4.
  • Page 15 LAVINA ® SERIES 7 VERSION 1 YEAR 2024 4. TRANSPORTATION AND STORAGE 4.1. TRANSPORTATION To transport the Lavina machine, use the handles of the grinding head and the rear bar anchoring points strapping the machine during transportation. NOTE: Always make sure...
  • Page 16 LAVINA ® SERIES 7 VERSION 1 YEAR 2024 4.3. STORAGE Always store the machine in dry place. When the machine is in storage and the temperatures are falling down below 32F or (0⁰C) you must empty the water from the system to avoid freezing it.
  • Page 17 LAVINA ® SERIES 7 VERSION 1 YEAR 2024 5. OPERATING THE MACHINE 5.1. ADJUSTING THE HANDLE The machine is equipped with two locking mechanisms – one for the handles and one for the whole handlebar. Pull the knob (red arrow) and rotate the handles to the desired position.
  • Page 18 LAVINA ® SERIES 7 VERSION 1 YEAR 2024 5.2. ACCESSORY WEIGHTS The machine can be equipped with two accessory weights (L21-50.00.00). To install them, just fit them onto the three slots shown with green arrows. Note: The weights add 16kg more to the grinding pressure.
  • Page 19 LAVINA ® SERIES 7 VERSION 1 YEAR 2024 5.4. CONTROL BOARD Start/Stop switch Power indicator EMG stop button  Start/Stop switch – turn the machine on and off.  Power indicator – glows when machine plugged into power supply.  EMG...
  • Page 20 LAVINA ® SERIES 7 VERSION 1 YEAR 2024 5.5. MOUNTING TOOLS Use the tool holder key (1) to rotate the key lock (3) in order to unlock and dismount the security plate (2). Install tools into the tool holder’s nests and by following the steps in reversed order lock install the security plate (2) and lock it.
  • Page 21 LAVINA ® SERIES 7 VERSION 1 YEAR 2024 5.8. STOPPING THE MACHINE To stop the machine either rotate the “Run/stop” switch into the “stop” direction or use the EMG stop button. In case of emergency always press the “Emergency stop button”.
  • Page 22 LAVINA ® SERIES 7 VERSION 1 YEAR 2024 6. TOOLS AND ACCESSORIES A63.00.01 A03.00.00.00 A64.00.01 Figure 7.3 Figure 7.1 Figure 7.2  Tool holder key (fig. 7.1) – It is used for mounting and dismounting the security plate.  Security plate (fig. 7.2) – It is used to secure the “Quickchange”...
  • Page 23 LAVINA ® SERIES 7 VERSION 1 YEAR 2024 6.1. RECOMMENDED TOOLS “Quickchange” system and tooling feature extremely fast and convenient tool changes and a long life, providing for great long-term cost savings.  The “Quickchange” pads are produced in four different bonds for super hard, hard, medium and soft concrete in a variety of grit sizes.
  • Page 24 Hybrid and resin tool rings – Exceptional flexibility with a thick layer of flexible foam. Quick and easy magnetic attachment directly to the grinding heads. Offered in 9” and 13”, compatible with Lavina ® grinders and trowels. 7. MAINTANANCE AND INSPECTATION 7.1.
  • Page 25 LAVINA ® SERIES 7 VERSION 1 YEAR 2024 After operating the machine, the operator should conduct a visual inspection of the machine. Any defect should be solved immediately. Pay attention to power cords, plugs and vacuum hoses, loose bolts or screws.
  • Page 26 LAVINA ® SERIES 7 VERSION 1 YEAR 2024 7.5. ELECTRICAL DIAGRAMS 7.5.1. L19S7 Page | 25 WWW.SUPERABRASIVE.COM...
  • Page 27 LAVINA ® SERIES 7 VERSION 1 YEAR 2024 Page | 26 WWW.SUPERABRASIVE.COM...
  • Page 28 LAVINA ® SERIES 7 VERSION 1 YEAR 2024 7.5.2. L19EUS7 & L19ES Page | 27 WWW.SUPERABRASIVE.COM...
  • Page 29 LAVINA ® SERIES 7 VERSION 1 YEAR 2024 8. TROUBLESHOOTING 8.1. SEPARATING THE CARRIAGE FROM THE GRINDING HEAD To separate the grinding head from carriage machine follow the steps:  Detach the vacuum hose.  Detach the water supply hose.
  • Page 30 LAVINA ® SERIES 7 VERSION 1 YEAR 2024 IMPORTANT!!! It is highly recommended to consult the torque requirement table prior to conducting any maintenance activities to prevent potential complications and ensure optimal performance. Adhering to this protocol can assist in maintaining the reliability and longevity of the equipment in question.
  • Page 31 LAVINA ® SERIES 7 VERSION 1 YEAR 2024 8.2.2. STEP 2 Unscrew the bolts (1) and dismount the three tool holders (2). 8.2.3. STEP 3 Unscrew the six bolts (1). Unscrew the nuts (2) and remove the washers. Remove the plastic bottom cover.
  • Page 32 LAVINA ® SERIES 7 VERSION 1 YEAR 2024 8.2.4. STEP 4 To dismount the old belt, first loosen the three nuts (1). By unscrewing the nuts (2) loosen the belt and dismount it. When mount the new belt, use the nuts 2 to tighten it until the tensioner’s base plate touches the plate pos.
  • Page 33 LAVINA ® SERIES 7 VERSION 1 YEAR 2024 8.3. PLANETARY DRIVE 8.3.1. ACCESSING THE PLANETARY DRIVE To access the planetary drive follow the steps form 8.2.1. Unscrew the nuts (2) and remove the plastic cover (2). Check the V-ring (3) for any damage and replace it if necessary.
  • Page 34 LAVINA ® SERIES 7 VERSION 1 YEAR 2024 8.3.2. MAINTAIN THE PLANETARY DRIVE 1. To replace the planetary chain - unscrew the nuts shown with red arrow and detach the springs. Now the planetary chain is loosened and it can be replaced.
  • Page 35 LAVINA ® SERIES 7 VERSION 1 YEAR 2024 8.4. TOOLHOLDER 8.4.1. REPLACING V RINGS To replace the V-ring and the felt ring follow the steps:  Unscrew the bolts (1).  Dismount the tool holder (2).  Replace the V-ring (3).
  • Page 36 LAVINA ® SERIES 7 VERSION 1 YEAR 2024 8.4.2. REPLACING THE BUFFERS AND THE ELASTIC ELEMENT Figure 9.4.2.1 Figure 9.4.2.2 Figure 9.4.2.3 Figure 9.4.2.6 Figure 9.4.2.4 Figure 9.4.2.5 Figure 9.4.2.7 Figure 9.4.2.8 Figure 9.4.2.9 Figure 9.4.2.10 Figure 9.4.2.11 Figure 9.4.2.12 Page | 35 WWW.SUPERABRASIVE.COM...
  • Page 37 LAVINA ® SERIES 7 VERSION 1 YEAR 2024 Figure 9.4.2.13 When the TOOL HOLDER is disassembled you can change defective parts – elastic element, buffers, etc. Lift the locking pin (Fig. 9.4.2.1) to dismount the retaining washer (Fig. 9.4.2.2). Take out the screws on the buffers and the nuts of the elastic element (Fig. 9.4.2.3;Fig.