MK Diamond MK-3000 User Manual
www.mkdiamond.com
MK-3000 SERIES
CONCRETE SAW
OPERATOR’S MANUAL
Revision 300
Manual Part No. 166447-OM
Caution: Read all safety and operating instructions
before using this equipment. This parts list MUST
accompany the equipment at all times.
05.2014
INTRODUCTION
Congratulations on your purchase of a Walk-Behind Concrete Saw. We are certain that you will be
pleased with your purchase of your MK-3000 Concrete Saw. MK Diamond takes pride in producing
the finest construction power tools and diamond blades in the industry.
Operated correctly, your MK-3000 Series should provide you with years of service. In order to help
you, we have included this manual. This owners manual contains information necessary to operate
and maintain this machine safely and correctly. Please take a few minutes to familiarize yourself
with the machine by reading and reviewing this manual.
If you should have questions concerning your MK-3000 Series 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 CONTENTS
SAFETY
Safety Message 4
Safety Precautions 4-7
Silica Dust Warning 8
Saw Blade Safety 9-10
Gas Engine Safety 11
Operation & Safety Decals 12
Safety Decal Locations 13
Console Decal Locations 14
Console Control Descriptions 15
PRODUCT SPECIFICATIONS
Saw Features 16
Engine Specications 17
Model Specications 18
Blade Speed 19
INSPECTION & START-UP
Pre-Operation Checklist, Schedule Maintenance Quick Reference 20
OPERATION
Blade Mounting Instructions 21-22
Starting Engine, Starting Instructions 23
Saw Guide Alignment and Adjustment, Pointer Alignment 24
Maneuvering the Saw, Dry Cutting, Wet Cutting, Speed Control-Lever 25
Water Hook Up and Depth Indicator 26
MAINTENANCE
Engine, Hydrostatic Drive Unit, Air Cleaner, Bearings and Hydrostatic Drive Unit 26-27
Maintenance Schedule 28
Troubleshooting 29
GENERAL PRODUCT INFORMATION
Accessories, Ordering and Return Information 30
Contact Information and Limited Warranty 31
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MK-3000 SERIES SAFETY
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Read and follow all safety, operating and maintenance instructions. Failure to read and follow
these instructions could result in injury or death to you or others. Failure to read and follow these
instructions could also result in damage and/or reduced equipment life. Safety warnings and
guidelines do not by themselves eliminate danger. They are not substitutes for proper accident
prevention procedures and good judgement.
SAFETY MESSAGES
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.
You CAN be INJURED if you DO NOT follow directions. It may also be used to
CAUTION
alert against unsafe practices.
DAMAGE PREVENTION AND INFORMATION MESSAGES
A Damage Prevention Message is to inform the user of important information and/or instructions that
could lead to equipment or other property damage if not followed. Information Messages convey
information that pertains to the equipment being used. Each message will be preceded by the word
NOTE, as in the example below.
NOTE:
Equipment and/or property damage may result if these instructions are not followed.
GENERAL SAFETY PRECAUTIONS AND HAZARD SYMBOLS
In order to prevent injury, the following safety precautions and symbols should be followed at all times!
SAFETY PRECAUTIONS
ALWAYS read this Owner’s Manual before operating the machine. DO NOT operate or
service this equipment before reading this entire manual. Read and understand all warnings, instructions and controls on the machine. Know how to stop the equipment quickly in
case of emergency. It is the operators responsibility to use this machine under safe work-
ing conditions and conform with federal, state and local codes or regulations pertaining to
safety, air, pollution, noise etc...
ALWAYS keep the Blade and Belt Guards in place. DO NOT operate this machine with any
guard or safety device removed. A Guard, or any damaged part should be repaired or
replaced immediately.
NEVER operate this equipment without proper protective clothing, shatterproof
glasses, steel-toed boots and other protective devices required by the job. Non-slip
foot wear is recommended.
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MK-3000 SERIES SAFETY
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PERSONAL PROTECTIVE EQUIPMENT
ALWAYS wear approved respiratory, head, ear and eye protection
when operating this machine.
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ACCIDENTAL STARTS!
Before starting the engine/motor, be sure the ON/OFF switch is in the OFF position to prevent accidental starting. Place the ON/OFF switch in the OFF position before performing any
service operation. ALWAYS place the power ON/OFF switch in the OFF position when the
machine is not in use.
ROTATING PARTS
Keep hands, feet, hair, and clothing away from all moving parts to prevent injury. Never oper-
ate the motor with covers, shrouds, or guards, removed.
HOT PARTS!
Engine components can become extremely hot from operation. To prevent severe burns,
do not touch these areas while the engine is running, or immediately after it is turned off.
Never operate the engine with heat shields removed.
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NEVER tamper with the governor components or settings to increase the maximum speed.
Severe personal injury and damage to the engine or equipment can result if operated at
speeds above maximum.
ELECTRICAL SHOCK
NEVER touch electrical wires or components while the engine is running. Exposed, frayed or
worn electrical wiring and plugs can be sources of electrical shock which could cause severe
injury or burns. Do not touch the plug with wet hands.
ALWAYS avoid inhalation of and skin contact with silica dust and/or mist. Provide proper
dust removal. Use dust-collection system when applicable.
NEVER operate the machine in an explosive atmosphere or near combustible materials.
Sparks from the cutting-action of this machine can ignite flammable materials, liquids, gases
or dust.
This equipment should not be operated by persons under 18 years of age.
KEEP CHILDREN AWAY
All visitors and children should be kept a safe distance from work area. Maintain a safe
operating distance to other personnel.
MAKE THE WORKSHOP KID PROOF
Make the workshops kid proof by using padlocks, master switches or by removing starter keys.
DO NOT FORCE THE TOOL
A power tool will do a job better and safer operating at the rate for which it was designed.
DO NOT force a tool or an attachment to do a job that it was not designed to do.
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MK-3000 SERIES SAFETY
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USE PROPER APPAREL
DO NOT wear loose clothing, gloves, neckties, rings, bracelets, or other jewelry that may
be caught in moving parts. Non-slip footwear is recommended. Wear protective hair cover-
ing to contain long hair.
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.
DO NOT OVERREACH
Keep proper footing and balance at all times by not overreaching.
DISCONNECT TOOLS
Power tools should always be disconnected before servicing, adjusting or when changing
accessories, such as blades, bits, cutters, and the like.
MAINTAIN TOOLS WITH CARE
Keep tools clean and maintained for the best and safest performance. Always follow
maintenance instructions and examine the machine before use. If any abnormal vibrations
or noises occurs, turn off machine immediately and have the problem corrected before
further use.
REMOVE ADJUSTING KEYS AND WRENCHES
Form a habit of checking to see that keys and adjusting wrenches are removed from
the power tool before it is turned on.
KEEP WORK AREA CLEAN
Cluttered work areas and benches invite accidents. Keep area around machine clear of
obstructions which could cause persons to fall.
DO NOT USE IN DANGEROUS PLACES
DO NOT operate equipment in dangerous or hazardous environments. DO NOT use power
tools in damp or wet locations nor expose them to rain. Always keep the work area well
lighted.
USE RECOMMENDED ACCESSORIES
Consult the owner’s manual for recommended accessories. Using improper accessories
may increase the risk of personal or by-stander injury. Unauthorized equipment
modifications will void all warranties. Manufacturer does not assume responsibility for any
accident due to equipment modifications.
ALWAYS ensure that the machine is on level ground before using.
NEVER STAND ON THE TOOL
Serious injury could occur if a power tool is tipped, or if a cutting tool is unintentionally
contacted.
TRANSPORT
When loading or unloading the machine, use caution. Remove the blade prior to hoisting,
loading and transporting the machine.
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CHECK FOR DAMAGED PARTS
Before using a power tool, check for damaged parts. A guard or any other part that is
damaged 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. Always check the machine for loose bolts before starting.
DIRECTION OF ROTATION
A blade or cutter should always be installed so that rotation is in the direction of the
arrow imprinted on the side of the blade or cutter. It should correspond with the rotational
direction of the motor. Always feed work into a blade against the direction of rotation.
NEVER LEAVE A TOOL UNATTENDED
TURN POWER OFF - Do not leave a tool until it comes to a complete stop. ALWAYS
turn a power tool OFF when leaving the work area, or, when a cut is finished.
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 modifications will void all warranties. Manufacturer does not assume
responsibility for any accident due to equipment modifications.
NEVER use this machine with any cutter designed for woodworking.
NEVER operate this equipment when not feeling well due to fatigue, illness or taking medicine.
NEVER operate this equipment under the influence of drugs or alcohol.
On belt driven equipment, overtensioning of belts will result in premature crank and/or bearing
failure.
Whenever necessary, replace nameplate, operation and safety decals when they become
difcult to read.
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
DO NOT lend or rent this equipment without including the Owner's Manual and the Engine/
Motor Manufacturer's Manual.
Check the chemical properties of the material to be cut/grinded and follow all EPA/OSHA
Regulations.
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MK-3000 SERIES SAFETY
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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 ad-
dition, 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.
Use appropriate NIOSH-approved respiratory protection where dust hazard may occur. Paper masks
or surgical masks without a NIOSH approval number are not recommended because they do little to
protect the worker. For more information about respirator programs, including what respirators have
received NIOSH approval as safe and effective, please visit the NIOSH website at:
http://www.cdc.gov/niosh/topics/respirators
Observe OSHA regulations for respirator use (29 C.F.R.§1910.134).
Visit http://www.osha.gov for more information.
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, 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 dust masks that are specially designed to lter out microscopic particles. Where
use of a dust extraction device is possible, it should be used. To achieve a high level of dust collection, use an industrial HEPA vacuum cleaner. Observe OSHA 29 CFR part 1926.57 and 1926.103.
WARNING
Sawing, grinding and drilling generate dust. Excessive airborne particles may cause irritation to eyes,
skin and respiratory tract. To avoid breathing impairment, always employ dust controls and protection
suitable to the material being sawed or drilled; See OSHA (29 CFR Part 1910.1200).
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SAW BLADE SAFETY
For complete safety information, refer to ANSI Safety Code B7.1 available through the American
National Standards Institute.
WARNING
Diamond Blades improperly used are dangerous. Comply with American National Standards Institute
Safety Code B7.1 and Occupational Safety and Health Act covering Speed, Safety Guards, Flanges,
Mounting Procedures, General Operating Rules, Handling, Storage and General Machine Conditions.
ALWAYS keep area around the machine clear of obstructions and clear the work area of
unnecessary people. Keep all body parts away from the blade and all other moving parts.
Keep hands out of line of saw blade. Never reach around or over saw blade.
Before starting the machine, check that all guards are in position and correctly tted.
NEVER allow blade exposure from the guard to be more than 180 degrees. DO NOT
operate this machine with any guard removed.
Inspect the blade, anges, and shafts for damage before installing the blade. NEVER use
damaged or worn blade anges. Discard cracked, chipped or bent blades. Cracks in the
core, hot spots on the core, warping steel core, missing segments and damaged arbor hole
are all visible indications that the blade is damaged.
The blade shaft anges must be of proper diameter for the size of blade being used.
DO NOT exceed maximum blade speed, as excessive speed could result in blade break-
age. Use ONLY blades marked with a maximum operating speed greater than the blade
shaft speed. Verify speed and saw drive conguration by checking blade shaft RPM, pulley
diameters, and blade ange diameters.
Use the correct blade for the type of work being done. Use only reinforced abrasive blades
or steel center diamond blades. DO NOT use carbide-tipped blades. Check with the blade
manufacturer if you do not know if blade is correct.
Make sure the blade and anges are clean and free of dirt and debris before mounting the
blade on the saw. Verify the blade arbor hole matches the machine spindle before mounting
the blade. ALWAYS mount the blade solidly and rmly. Wrench tighten the arbor nut.
CAUTION
Make sure that the arrow on the blade points in the same direction as the arrow marked on
the blade guard. Before turning the switch "ON", make sure that the blade is correctly in-
stalled and operating properly.
In the event of blade failure, replace blade guard immediately.
Do not touch a dry cutting blade immediately after use. These blades require several minutes to cool after each cut. Do not use a blade that has been overheated (core has bluish
color).
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MK-3000 SERIES SAFETY
Never try to stop a moving blade with your hands.
DO NOT cut dry with blades marked "WET".
If the blade makes an unfamiliar noise or vibrate excessively, switch the saw of immediately
and disconnect it from the power source. Investigate the cause and remedy the problem
before restarting the saw.
DO NOT make long continuous cuts with a dry diamond blade. Allow the blade to cool between cuts by freewheeling. Harder materials will cause the blade to heat more quickly.
Let the blade reach full speed before commencing the cut.
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