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MBW MK8-75 Operator's Safety And Service Manual

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RIDE ON TROWELS
MBW, Inc.
250 Hartford Rd · PO Box 440
Slinger, WI 53086-0440
Phone: (262) 644-5234
Fax: (262) 644-5169
E-mail: mbw@mbw.com
Website: www.mbw.com
MK8-75
This manual covers the following serial
Numbers and higher for each model
listed:
MK8-75.........................1780001
MBW (UK) Ltd.
Units 2 & 3 Cochrane Street
Bolton BL3 6BN, England
Phone: 01204 387784
Fax: 01204 387797
L18872 / 11.20.C
© MBW, Inc. 2020
Printed in the USA

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  • Page 1 Units 2 & 3 Cochrane Street Slinger, WI 53086-0440 Bolton BL3 6BN, England Phone: (262) 644-5234 Phone: 01204 387784 L18872 / 11.20.C Fax: (262) 644-5169 Fax: 01204 387797 © MBW, Inc. 2020 E-mail: mbw@mbw.com Printed in the USA Website: www.mbw.com...

  • Page 2: Table Of Contents

    Table of Contents INTRODUCTION……………….…………………………………………………………………………….5 CE DECLARATION OF CONFORMITY ..................6 GENERAL INFORMATION ..................... 7 1.1. GLOBAL ASPECTS OF SECURITY ................. 8 1.2. SAFETY SIGNS (PICTOGRAMS ON THE MACHINE) ............. 9 1.3. SYMBOLS AND GLOSSARY ..................10 1.4. SPARE PARTS ORDER ....................11 1.5.
  • Page 3 FINISHING STAGE ......................36 LAYOUT OF CONTROLS ....................38 6 MAINTENANCE AND REPAIR ....................39 SCHEDULED MAINTENANCE ..................40 ROUTINE AND ADDITIONAL MAINTENANCE .............. 45 6.2.1 Replacement of blades ..................45 6.2.2 Unlocking of blade holder arms and of cover plate ..........45 6.2.3 Feather edge disc replacement ................
  • Page 4 The reproduction or translation of any part of this manual is prohibited without written notice and authorization by MBW. 4 of 68 No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by...

  • Page 5: Introduction

    INTRODUCTION The operation and maintenance manual is providing the user with a general knowledge an integral part of the machine: it is of the machine and the information for: ● Correct awareness of operators regarding necessary to keep it intact and in a safe place during the entire life of the machine, SAFETY issues.

  • Page 6: Ce Declaration Of Conformity

    Year of Construction: 2018 Briefly described below: The double rotating MK8-75 trowel with operator on board has been designed and built for troweling of concrete and asphalt floors of warehouses, parking lots, cycle paths, parking areas, side-walks. It complies with Directive 2006/42/EC, directives 2014/30/EU (EMC) and 2014/35/EU (low voltage) as well as the laws that transpose them.

  • Page 7: General Information

     CHAPTER 1. GENERAL INFORMATION Global aspects of security Safety signs Symbols and glossary Spare parts order Review of the manual General terms and conditions of warranty 7 of 68...

  • Page 8: Global Aspects Of Security

    maintenance of the used machine, or otherwise such GLOBAL ASPECTS 1.1. compromise its integrity or modify its SECURITY characteristics relieves the company from any responsibility regarding the safety of Compliance with rules persons and the faulty operation of the recommendations contained this machine.

  • Page 9: Safety Signs (Pictograms On The Machine)

    1.2. SAFETY SIGNS (PICTOGRAMS ON THE MACHINE) It is absolutely necessary to recognize the meaning of the signs present on the machine and keep their message readable. GENERIC HAZARD SIGN “OBLIGATION TO READ THE MANUAL” INSTRUCTION SIGN “USE LIFTING HOOK" INSTRUCTION SIGN "FIX THE LOAD TO THE TRANSPORT MEANS”...

  • Page 10: Symbols And Glossary

    SYMBOLS AND GLOSSARY 1.3. different number ● HAZARD: A potential source workers could prevent the of injury or damage to health; desi ● HAZARDOUS AREA: Any area within and/or in the vicinity of the machine result from being achieved or endanger where the presence of a person the safety of the personnel involved;...

  • Page 11: Spare Parts Order

    The present publication uses symbols with identification and the data shown on the the following meaning: machine identification plate. !IMPORTANT: Indicates important technical E.g.: ● Machine model information which must not be overlooked. ● Type ● Serial Number ● Year of construction IMPORTANT ●...

  • Page 12: General Terms And Conditions Of Warranty

    5) The manufacturer sets an adequate 15) The established warranty conditions time period to carry out the necessary are binding for all sellers of MBW. Any works and to deliver the spare parts. other agreements will be considered valid only after written confirmation by 6) All transport costs of the parts MBW.

  • Page 13: Machine Characteristics

     CHAPTER 2. MACHINE CHARACTERISTICS Identification data of the machine Intended use Prohibited use Technical characteristics and size / noise / vibrations / non ionizing radiation Operator positions / layout / operation and maintenance area General description Safety devices Information on residual risks 13 of 68...

  • Page 14: Identification Data Of The Machine

    IDENTIFICATION DATA 2.2. INTENDED USE MACHINE The double trowel machine "MK8-75” is designed and manufactured to perform In order to ensure proper identification of the finishing (troweling) of concrete and asphalt machine, please refer to the serial number floors of sheds, car parks, cycle paths, stamped on the invoice and the data parking areas, sidewalks, etc.

  • Page 15: Technical Characteristics And Size / Noise / Vibrations/ Non Ionizing Radiation

    THE MACHINE IS USED INDOORS. THE MACHINE IS USED BY A NUMBER THE MACHINE IS NOT USED FLUSH OF OPERATORS OTHER THAN THAT WITH THE WALL. EXPRESSLY PROVIDED INFRINGE THE MAINTENANCE RULES MANUFACTURER (see PAR. 2.5 of this DESCRIBED HEREIN. publication) DIRECTIONS CONCERNING MACHINE USED...

  • Page 16: Operator Positions/ Layout/ Operation And Maintenance Area

    2.3 on next page). Tier 1 OPERATOR POSITION 2.6. GENERAL DESCRIPTION CAUTION The double trowel machine "MK8-75” is Only one operator is required to designed and manufactured to perform operate the machine. finishing (troweling) of concrete and Tasks and positions are detailed asphalt floors of sheds, car parks, cycle PAR.

  • Page 17: Safety Devices

    Blade rotation in the troweling machine The machine must be powered following is transmitted by the engine to a pair of the instructions provided by MBW. centrifugal clutches, connected with For safe operation read the following trapezoidal...

  • Page 18: Information On Residual Risks

    The pictograms have different meanings, in 2.8. INFORMATION RESIDUAL particular: RISKS ● HAZARD SIGN: BLACK Despite the application, at the design stage, YELLOW OF TRIANGULAR FORM ● rules contained safety PROHIBITION SIGNS: WHITE AND requirements (RESS) as required by current RED OF CIRCULAR FORM ●...
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  • Page 24: Transport And Lifting

     CHAPTER 3. TRANSPORT AND LIFTING Packing and unpacking Lifting and handling Transport Check for possible damage Storage 24 of 68...

  • Page 25: Packing And Unpacking

    PACKING AND UNPACKING packaged product is 220 kg as shown in the table of general trowel remains double "MK8-75” specifications on p. 15. substantially intact packaging CAUTION transport operations. Each element of waste must The only parts that are removed are...
  • Page 26 Figure 3.3 During the lifting and movement Weight: 190 kg the entire area involved in the maneuvers should accessible to authorized persons only. Figure 3.4 2. Use a lifting tool (crane or forklift) connecting the appropriate gear to these straps, while slowly tensioning the ropes/straps.
  • Page 27 Horizontal displacement 2. Secure it with the appropriate lock (fig. 3.5, b). A handling trolley is provided along with the 3. Perform the operation on both sides of machine with the purpose to support the the machine. machine and handle it safely. The trolley is 4.

  • Page 28: Transport

    environment with characteristics equal to those of the environment of use, in TRANSPORT CAUTION Depending on the country of destination During unloading from transport can be made with different means. transport means The diagram below represents the most placement of the machine, commonly used solutions.

  • Page 29: Machine Installation

      CHAPTER 4. MACHINE INSTALLATION Installation Initial Checks 4.3 Preliminary startup operations 4.4 Environmental conditions 4.5 Starting the work cycle 4.6 Trowel steering 4.7 Trowel stop 4.8 Restarting the trowel 29 of 68...

  • Page 30: Installation

    CAUTION The environmental and Figure 4.1 operating conditions must not hinder access to the controls of the MACHINE. machine’s place installation MUST be equipped with good lighting and must be free of shadows and glare that ● Mount the steering levers following may annoy the operator.

  • Page 31: Initial Checks

    INITIAL CHECKS CAUTION 1. Check the oil level in the engine and, if necessary, top it up (par. 4.3.4); It is recommended to connect the 2. Check the fuel level in the tank and, if battery cable correctly. necessary, arrange its filling (par.4.3.3); Please refer to the manual of the manufacturer of the engine that is an CAUTION...
  • Page 32 To move the steering control levers to the right or to the left the operator must: Control levers’ adjustment The steering levers (fig. 2.1 # 6 and 7) can be adjusted to make the driving operation easier, Remove the retainer clip of the tie rod adapting them to the driver needs.

  • Page 33: Environmental Conditions

    position, placing his feet on the 4.4 ENVIRONMENTAL CONDITIONS appropriate foot rest. 2. Make sure that the steering control is The device must be used while being in the neutral position. protected from the weather conditions. The 3. Close the choke lever (CHOKE). environments of operation should be well 4.

  • Page 34: Trowel Steering

    4.7 TROWEL STOP To stop the troweling machine, take the 4.6 TROWEL STEERING following steps: To make the trowel move the operator must 1. Bring the accelerator to idle speed. activate the trowel control levers according to 2. Bring the steering levers in an the diagram in par.

  • Page 35: Trowel Usage

     CHAPTER TROWEL USAGE Safety warnings Surface preparation Troweling stage Finishing stage Layout of controls 35 of 68...

  • Page 36: Safety Warnings

    SAFETY WARNINGS 5.3 TROWELING STAGE IMPORTANT! CAUTION Before starting troweling During the working phases operation, make sure that the feather edge discs have been properly particular attention possible mounted on the blades. control loss by the trowel (for example due to the presence of too much water on the working surface).
  • Page 37 ● For subsequent smoothing operations continue to increase the blade inclination until you obtain the desired finish. Figure 5.1 ● The time between one troweling operation and the next one is determined by the weather conditions (cold or warm) and the amount of water present in the concrete.

  • Page 38: Layout Of Controls

    5.5 LAYOUT OF CONTROLS 38 of 68...

  • Page 39: Maintenance And Repair

       CHAPTER 6 MAINTENANCE AND REPAIR 6.1 Scheduled maintenance 6.2 Routine and additional maintenance 6.3 Notes on dismantling 6.4 Troubleshooting 6.5 Parts List 6.6 Warranty 39 of 68...

  • Page 40: Scheduled Maintenance

    CAUTION During the execution of maintenance tasks you must wear the following P.P.E.: CUT RESISTANT GLOVES AND SAFETY SHOES. For certain types of activities (lubricant filling-up) make use of airway protection equipment as indicated in the residual risks. 1. To stop the machine, bring the accelerator idle speed,...
  • Page 41 STATE OF NAME OF THE PERSON IN OPERATING INSTRUCTIONS FREQUENCY OPERATOR CHARGE MACHINE MECHANICAL PARTS Check the status of blade bolts . Perform tightening every day. If the bolts are worn, they must Machine Check status be replaced (THE MACHINE stopped/ and tightening of Daily...
  • Page 42 Visual Visually inspect the state of inspection of the wear of the feather edge disks. Machine feather edge If one or both the disks have Monthly stopped/ disc and its undergone a dilation, action is Power needed to replace it/them (see possible sources PAR.
  • Page 43 CAUTION Make sure that the petrol contains no water and do not use mixtures or diesel. Perform this operation in Machine Check of petrol a well ventilated At each start stopped/ environment and away level and supply Power from possible sources of Par.
  • Page 44 Please note the requirement to perform the checking and CHECK Machine shift recording of verifications of safety MICRO SEAT start components every 6 months INTERVENTION operation (pursuant to article 71 of the legislative decree 81.2008). 44 of 68...

  • Page 45: Routine And Additional Maintenance

    To unlock the blades and the cover plate ROUTINE AND ADDITIONAL refer to the reseller (authorized dealer). MAINTENANCE 6.2.3 Feather edge disc 6.2.1 Replacement of replacement blades IMPORTANT! Check the state of wear of the blades or if Before performing the operation they have been damaged or bent.

  • Page 46: Replacement Of The Belt(S)

    6.2.4 Replacement belt(s) If, as a result of a visual inspection, it appears that the belts are worn or cracked, replace them, operating as follows: ● Remove fixed guard segregation of the belt and loosen the locknut. ● Use an appropriate tool on the tensioning screw (1, fig.

  • Page 47: Gearmotor Oil Filling

    Repeat the same operations from the opposite side. 6.2.7 Gearmotor filling NOTES ON DISMANTLING IMPORTANT! TO AVOID DAMAGE TO THE As regards dismantling activities there are no MACHINE STRICTLY USE THE security-related or environmental problems. FOLLOWING TYPE In case you wish to proceed with the LUBRICANT: dismantling of the various machine parts, it is GLYGOYLE...

  • Page 48: Troubleshooting

    TROUBLESHOOTING ISSUES CAUSES REMEDIES Gearbox cover screws are loose Tighten the screws Faulty seals Contact the authorized service Trowel oil leakage Oil seal worn central and lateral Contact the authorized service shaft Engine oil leakage Contact the authorized service Fill the fuel tank suitable for the Low fuel engine used.
  • Page 49 ISSUES CAUSES REMEDIES Steel wire broken Replace blade-lifting wire The blades do not get up (contact the authorized service) Fork broken Replace the fork (contact the authorized service) Hardened concrete under the cross Clean the cross and blades or blades Blades worn unevenly Adjust blade inclination (page 42) The trowel jumps on the...
  • Page 50 ATTACHED: WIRING DIAGRAM 50 of 68...

  • Page 51: Parts List

    PARTS LIST 51 of 68...
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  • Page 68: Warranty

    WARRANTY No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means to third parties, without the prior written consent of the Manufacturer. 68 of 68...

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