MK Diamond MK-VTS-50 User Manual
www.mkdiamond.com
MK-VTS/50
OWNER'S MANUAL &
OPERATING INSTRUCTIONS
Revision 106
Manual Part No. 167790
Caution: Read all safety and operating instructions
before using this equipment. This owners manual
MUST accompany the equipment at all times.
08.2013
INTRODUCTION
We at MK Diamond want to congratulate you on selecting the MK-VTS/50 Floor Scraper. We are
certain that you will be pleased with your purchase. MK Diamond takes pride in producing the nest
products in the industry.
Operated correctly, your MK-VTS/50 Floor Scraper should provide you with years of quality service.
In order to help you, we have included this manual. This owners manual contains information necessary to operate and maintain your MK-VTS/50 Floor Scraper safely and correctly. Please take a
few minutes to familiarize yourself with the MK-VTS/50 Floor Scraper by reading and reviewing this
manual.
Read and follow all safely, operating and maintenance instructions.
If you should have questions concerning your MK-VTS/50 Floor Scraper, please feel free to call our
friendly customer service department at: 800 421-5830.
Regards,
MK Diamond
NOTE THIS INFORMATION FOR FUTURE USE:
MODEL NUMBER:
SERIAL NUMBER:
PURCHASE PLACE:
PURCHASE DATE:
NOTE: For your (1) one year warranty to be effective, complete the warranty card (including the Serial Number) and mail it in as soon as possible.
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TABLE OF CONTENT
SAFETY Page
Safety Message/Alert Symbols, Warnings 4
Hazard Symbols 5
General, Maintenance, Saw Safety 6-7
California proposition 65 Message 8
Electrical Requirements and Grounding Instructions 9-10
Safety Label Locations 11
Blade Changing / Installation 12
OPERATION
Wheel Adjustment 13
Handle Adjustment 14
Transportation 14
Blade Usage 15
TYPE OF TEAROUTS
Removal Materials 16
Suboor Surfaces 17
MAINTENANCE
Thermal Overload Protection 18
Cleaning 18
Repairs 19
Troubleshooting 19
GENERAL PRODUCT INFORMATION
Part List 22-23
ORDERING AND RETURNING INSTRUCTIONS
Ordering Information 26
Return Material Policy 26
Packaging Instructions 26
Authorized Service Centers 26
CONTACT AND WARRANTY
Contract 27
Warranty 27
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MK-VTS/50 FLOOR SCRAPER SAFETY
Safety precautions should be followed at all times when operating this equipment. Failure to read and
understand the Safety Precaution and Operating Instructions could result in injury to yourself and others.
Before using this machine, ensure that the person operating the machine has read and understands all
instructions in this manual.
SAFETY MESSAGE / ALERT SYMBOLS
A safety message alerts you to potential hazards that could hurt you or others. Each safety message is
preceded by a safety alert symbol ( ) and one of three words: DANGER, WARNING, or CAUTION.
DANGER
You WILL be KILLED or SERIOUSLY INJURED if you do not follow directions.
WARNING
You CAN be KILLED or SERIOUSLY INJURED if you do not follow directions.
CAUTION
You CAN be INJURED if you do not follow directions. It may also be used to alert against unsafe practices.
Each message tells you what the hazard is, what can happen, and what you can do to avoid or reduce injury. Other important messages are preceded by the word NOTICE.
NOTICE
You can cause PROPERTY DAMAGE to your machine if you don’t follow directions.
The safety labels should be periodically inspected and cleaned by the user to maintain good legibility
at a safe viewing distance. If the label is worn, damaged or illegible, it should be replaced.
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MK-VTS/50 FLOOR SCRAPER SAFETY
SAFETY PRECAUTIONS
ALWAYS read this Owner’s Manual before operating the machine.
ALWAYS avoid inhalation of and skin contact with silica dust and/or mist.
ON / OFF
ALWAYS place the power ON/OFF switch in the OFF position when the machine is not in
use.
ALWAYS wear approved eye protection.
ALWAYS wear approved respiratory protection.
NEVER operate equipment with covers, or guards removed. Keep ngers, hands, hair
and clothing away from all moving parts to prevent injury.
ALWAYS use caution around gears. Keep ngers, hands, hair and clothing away from
all moving parts to prevent injury.
NEVER touch the power cord with wet hands or while standing in water when it is connected to a power source.
NEVER operate the machine in an explosive atmosphere or near combustible materials.
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MK-VTS/50 FLOOR SCRAPER SAFETY
RULES FOR SAFE OPERATION
DANGER
Failure to follow instructions in this manual may lead to serious injury or even death! This equipment is
to be operated by trained and qualied personnel only! This equipment is for industrial use only.
The following safety guidelines should always be used.
GENERAL SAFETY
•DONOT operate or service this equipment before reading this entire manual.
• This equipment should not be operated by persons under 18 years of age.
• NEVER operate this equipment without proper protective clothing, shatterproof glasses, steeltoed
boots and other protective devices required by the job.
• NEVER operate this equipment when not feeling well due to fatigue, illness or taking medicine.
• NEVER operate this equipment under the inuence of drugs or alcohol.
• Whenever necessary, replace nameplate, operation and safety decals when they become difcult
to read.
• ALWAYS check the machine for loose bolts before starting.
•ALWAYS wear proper respiratory (mask) hearing and eye protection
equipment when operating this machine.
• ALWAYS store equipment properly when it is not being used. Equipment should be stored in a clean,
dry location out of the reach of children.
ON / OFF
•NEVER leave the machine unattended. Turn off electric motor when unattended.
• CAUTION must be observed while servicing the machine. Rotating parts can cause injury if contacted.
• Ensure that any electrical extension cord is protected against damage. Always ensure that the
electrical extension cord is not trapped underneath the machine. When using an extension cord,
be sure to use one heavy enough to carry the current your product will draw. An undersized cord
will cause a drop in line voltage that will result in a loss of power and overheating. The Table shown
on page 10 shows the correct AWG size to use depending on cord length and nameplate ampere
rating. If in doubt, use the next heaviest gage. The smaller the gage number, the heavier the cord.
• DONOT allow extension cord to come into contact with water or uids.
• DO NOT spray water onto electric motor.
•NEVER operate the machine in an explosive atmosphere.
• Before starting the machine, check that all guards are in position and correctly tted.
• Keep area around the machine clear of obstructions which could cause persons to fall onto moving parts.
• ALWAYS ensure that the machine is on level ground before using.
• DONOT overreach. Keep proper footing and balance at all times.
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MK-VTS/50 FLOOR SCRAPER SAFETY
•NEVER stand on the tool. Serious injury could occur if a power tool is tipped, or if a cutting tool is
unintentionally contacted.
•Become familiar with the controls of the machine before operating. Know how to stop the machine
quickly in case of emergency.
•ALWAYS secure work. Clamps or a vise should be used to hold work whenever practical. Keeping your hands free to operate a power tool is safer.
•ALWAYS disconnect AC power plug from power source before moving, cleaning or servicing the
machine.
•NEVER leave a tool running unattended. Do not leave a tool until it comes to a complete stop.
•Make sure the OFF/ON power switch on the electric motor is always in the OFF position before
inserting the machine’s power plug into an AC receptacle.
•Operate electric motor only at the specied voltage indicated on the nameplate.
•NEVER disconnect any “emergency or safety devices”. These devices are intended for operator
safety. Disconnection of these devices can cause severe injury, bodily harm or even death! Disconnection of any of these devices will void all warranties.
•Unauthorized equipment modications will void all warranties. Manufacturer does not assume responsibility for any accident due to equipment modications.
• NEVER use accessories or attachments, which are not recommended by MK Diamond for this
equipment. Damage to the equipment and/or injury to user may result.
• Replace damaged cutting blade before operating.
• NEVER try to stop a moving blade with your hand.
MAINTENANCE SAFETY
•NEVER lubricate components or attempt service on a running machine.
•Keep the machinery in proper running condition.
•Before using a power tool, check for damaged parts. A guard or any other part that is damage
should be carefully checked to determine if it would operate properly and perform its intended
function. Always check moving parts for proper alignment or binding. Check for broken parts and
mountings and all other conditions that may affect the operation of the power tool. A guard, or any
damaged part, should be properly repaired or replaced.
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MK-VTS/50 FLOOR SCRAPER SAFETY
SAFETY WARNINGS
SILICA DUST WARNING
Grinding/cutting/drilling of masonry, concrete, metal and other materials with silica in their composition
may give off dust or mists containing crystalline silica. Silica is a basic component of sand, quartz,
brick clay,
granite and numerous other minerals and rocks. Repeated and/or substantial inhalation of airborne
crystalline silica can cause serious or fatal respiratory diseases, including silicosis. In addition, California and some other authorities have listed respirable crystalline silica as a substance known to cause
cancer. When cutting such materials, always follow respiratory precautions.
CALIFORNIA PROPOSITION 65 MESSAGE
Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contain chemicals known (to the State of California) to cause cancer, birth defects or other reproductive
harm. Some examples of these chemicals are:
• Lead, from lead-based paints
• Crystalline silica, from bricks and cement and other masonry products
• Arsenic and chromium, from chemically treated lumber
For further information, consult the following sources:
http://www.osha.gov/dsg/topics/silicacrystalline/index.html
http://www.cdc.gov/niosh/docs/96-112/
http://oehha.ca.gov/prop65/law/P65law72003.html
http://www.dir.ca.gov/Title8/sub4.html
Your risk from these exposures varies depending on how often you do this type of work. To reduce
your exposure to these chemicals, work in a well-ventilated area, and work with approved safety
equipment, such as those dust masks that are specially designed to lter out microscopic particles.
Asbestos Warning
Some oor coverings contain asbestos. Removing, cutting, grinding or otherwise disturbing these
coverings can cause asbestos dust to become airborne. Never remove ooring containing asbestos
without fully understanding proper state and federal procedures and guidelines for removal of these
products. Laws are different from state to state.
WARNING
To reduce the risk of electrocution, keep all connections dry and off the ground.
A Ground Fault Circuit Interrupter (GFCI) should be provided on the circuit(s) or outlet(s) to be used
for this machine. Receptacles are available having built-in GFCI protections and may be used for this
measure of safety. When using an extension cord, the GFCI should be installed closest to the power
source, followed by the extension cord and lastly, the machine.
WARNING
To reduce the risk of injury, electric shock and damage to the tool, never im-
merse your tool in liquid or allow a liquid to ow inside the tool.
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MK-VTS/50 FLOOR SCRAPER SAFETY
ELECTRICAL REQUIREMENTS AND GROUNDING INSTRUCTIONS
In order to prevent potential electrical shock and injury, the following electrical safety precautions and
symbols should be followed at all times!
WARNING
In case of a malfunction or breakdown, grounding provides a path of least resistance for electric current to reduce the risk of electric shock. This tool is equipped with an electric cord having an equipment-grounding conductor and a grounding plug. The plug must be plugged into a matching outlet
that is properly installed and grounded in accordance with all local codes and ordinances.
• Do not modify the plug provided – if it will not t the outlet; have the proper outlet installed by a
qualied electrician.
• Improper connections of the equipment-grounding conductor can result in a risk of electric
shock. The equipment-grounding conductor is the insulated conductor that has an outer surface
that is green, with or without yellow stripes. If repair or replacement of the electric cord or plug is
necessary, do not connect the equipment-grounding conductor to a live terminal.
• Check with a qualied electrician or service personnel if the grounding instructions are not
completely understood, or if in doubt as to whether the tool is properly grounded.
• Use only 3-wire extension cords that have 3-prong grounding plugs and 3-pole receptacles that
accept the tool’s plug.
• Repair or replace a damaged or worn cord immediately.
WARNING
This tool is intended for use on a circuit that has an outlet that looks like the one shown in Sketch A of
Figure 1. The tool has a grounding plug that looks like the plug illustrated in Sketch A of Figure 1. A
temporary adapter, which looks like the adapter illustrated in sketches B and C, may be used to connect this plug to a 2-pole receptacle as shown in Sketch B, if a properly grounded outlet is not available. The temporary adapter should be used only until a properly grounded outlet can be installed by
a qualied electrician. The green-colored rigid ear, lug, and the like, extending from the adapter, must
be connected to a permanent ground such as a properly grounded outlet box.
NOTE: Use of a temporary adapter is not permitted in Canada.
Metal Screw
Grounding
Pin
(A)
ADAPTER
Grounding
Means
(C)
Cover of
Grounded
Outlet Box
Grounding
Pin
(B)
(D)
Fig. 1 Circuit and Adapter Information
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