MK Diamond Products MK-SDG-7 Owner's manual

Brand
MK Diamond Products
Model
MK-SDG-7
Type
Owner's manual

This manual is also suitable for

07.2020
MK-SDG-7
OWNER'S MANUAL
& PARTS LIST
www.mkdiamond.com
Revision 200
Manual Part# 168146
Caution:
Read all safety and operating instructions
before using this equipment. This manual MUST
accompany the equipment at all times.
2
INTRODUCTION
Congratulations on your purchase of a MK-SDG-7. We are certain that you will be pleased with
your purchase. MK Diamond takes pride in producing the nest construction power tools and
diamond blades in the industry.
Operated correctly, your MK-SDG-7 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 your MK-SDG-7 safely and correctly. Please take the time to familiarize
yourself with the MK-SDG-7 by reading and reviewing this manual.
Read and follow all safety, operating and maintenance instructions.
If you should have questions concerning your MK-SDG-7, 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:
WARRANTY: For your (1) one year warranty to be effective, complete the online Product
Registration as soon as possible. Visit www.mkdiamond.com/registration/
3
TABLE OF CONTENTS
SAFETY
Safety Messages 4
Safety Precaution 4-7
California Proposition 65 Message 8
General Safety 9
Electrical Requirements and Grounding Requirements 9-11
Safety Label Locations 12
Product Specications and Features 13
ASSEMBLY
Assembly 14
Replace Cup Wheel 14
Leveling Cup Wheel 15
Operation 15
EXPLODED VIEW and PART LISTS
Exploded View & Parts List 16-19
ACCESSORIES ORDERING and RETURN INSTRUCTIONS
Accessories 20
Ordering Information 22
Return Material Policy 22
Packaging Instructions 22
Authorized Service Centers 22
CONTACT & LIMITED WARRANTY
Contact 23
Limited Warranty 23
4
MK-SDG-7 SAFETY
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 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.
DAMAGE PREVENTION AND INFORMATION MESSAGES
NOTE:
Equipment and/or property damage may result if these instructions are not followed.
GENERAL SAFETY PRECAUTIONS AND HAZARD 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.
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 warn-
ings, 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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In order to prevent injury, the following safety precautions and symbols should be followed at all times!
5
MK-SDG-7 SAFETY
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All visitors and children should be kept a safe distance from work area. Maintain a safe
operating distance to other personnel.
KEEP CHILDREN AWAY
MAKE THE WORKSHOP KID PROOF
Make the workshops kid proof by using padlocks, master switches or by removing starter keys.
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.
OVER SPEED
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.
ALWAYS wear approved respiratory, head, ear and eye protection
when operating this machine.
Before starting the engine/motor, be sure the ON/OFF switch is in the OFF position to pre-
vent 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.
ACCIDENTAL STARTS!
PERSONAL PROTECTIVE EQUIPMENT
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.
HOT PARTS!
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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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6
MK-SDG-7 SAFETY
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.
Serious injury could occur if a power tool is tipped, or if a cutting tool is unintentionally
contacted.
When loading or unloading the machine, use caution. Remove the blade prior to hoisting,
loading and transporting the machine.
USE RECOMMENDED ACCESSORIES
NEVER STAND ON THE TOOL
TRANSPORT
Form a habit of checking to see that keys and adjusting wrenches are removed from
the power tool before it is turned on.
Cluttered work areas and benches invite accidents. Keep area around machine clear of
obstructions which could cause persons to fall.
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.
REMOVE ADJUSTING KEYS AND WRENCHES
KEEP WORK AREA CLEAN
DO NOT USE IN DANGEROUS PLACES
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.
DISCONNECT TOOLS
Power tools should always be disconnected before servicing, adjusting or when changing
accessories, such as blades, bits, cutters, and the like.
DO NOT OVERREACH
Keep proper footing and balance at all times by not overreaching.
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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.
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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.
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7
MK-SDG-7 SAFETY
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.
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.
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 LEAVE A TOOL UNATTENDED
CHECK FOR DAMAGED PARTS
DIRECTION OF ROTATION
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 operate this equipment under the influence of drugs or alcohol.
NEVER operate this equipment when not feeling well due to fatigue, illness or taking medicine.
NEVER use this machine with any cutter designed for woodworking.
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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
difcult 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. (cut/ground)
8
CALIFORNIA PROPOSITION 65 MESSAGE
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.
Some dust created by power sanding, sawing, grinding, drilling, and other construction activities con-
tain 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
http://www.P65warnings.ca.gov
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 collec-
tion, use an industrial HEPA vacuum cleaner. Observe OSHA 29 CFR part 1926.57 and 1926.103.
MK-SDG-7 SAFETY
9
MK-SDG-7 SAFETY
WARNING
In order to prevent electrical shock and injury, the following electrical safety precautions and symbols
should be followed at all times!
If permanently connected this tool should be connected to a grounded metal permanent
wiring system; or to a system having an equipment - grounding conductor.
In case of a malfunction or breakdown, grounding provides a path of least resistance for electrical
current to reduce the risk of electric shock. This tool is equipped with an electric cord which has 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 qualied 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 qualied 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.
This tool is intended for use on a circuit that has an outlet that looks like the one shown in Sketch A.
The tool has a grounding plug that looks like the plug illustrated in Sketch A. 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 qualied electri-
cian. The green-colored rigid ear, plug, and the like, extending from the adapter, must be connected
to a permanent ground, such as a properly grounded outlet box.
ELECTRICAL REQUIREMENTS AND GROUNDING INSTRUCTIONS
NOTE:
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Grounding
Means
(A)
Metal Screw
Cover of
Grounded
Outlet Box
(D)
ADAPTER
(C)
Grounding
Pin
Grounding
Pin
(B)
Circuit and Adapter Information
Use of a temporary adapter is not permitted in Canada.NOTE:
10
MK-SDG-7 SAFETY
WARNING
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, GFCI should be installed closest to the power
source, followed by the extension cord and lastly, the machine.
The water pump requires a GFCI. To reduce risk of electrical shock when operating the machine
with the pump plugged into the 3-pole receptacle on the motor, connect the machine to a GFCI
outlet. See the pump manual and informational tags enclosed separately for all pump information.
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CAUTION
DO NOT EXPOSE TO RAIN
For maintenance care and operation of the electric motor, refer to your electric motor instruction book-
let furnished with the electric motor. Protect the electric motor from dust as much as possible and keep
ventilating openings clean. Before plugging in the machine, make sure that the outlet voltage is within
the voltage marked on the machines's data plate.
DO NOT spray water on the electric motor. DO NOT touch the plug with wet hands. To reduce
the risk of electrocution, keep all connections dry and off the ground.
ELECTRIC MOTOR SAFETY
DO NOT operate electric motor in an explosive environment.
DO NOT expose to rain or use in damp locations.
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WARNING
If operating the equipment in damp locations is unavoidable, ALWAYS use a Ground Fault
Circuit Interrupter, ALWAYS wear rubber gloves and footwear in damp conditions.
DO NOT abuse the cord. Never use the cord to carry the equipment or to pull the plug from
the outlet. Keep the cord away from heat, sharp edges, and moving parts. Replace dam-
aged cords immediately. Damaged cords increase the risk of electric shock.
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11
MK-SDG-7 SAFETY
To reduce the risk of electrocution, keep all connections dry and off the ground. A Ground Fault Cir-
cuit 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, fol-
lowed by the extension cord and lastly, the machine.
WARNING
Do Not use in wet conditions
DANGER
WARNING
Use only extensions cords that are intended for outdoor use. These extension cords are identied by
a marking “Acceptable for use with outdoor appliances; store indoors while not in use.” Use only ex-
tension cords having an electrical rating not less than the rating of the product. Do not use damaged
extension cords. Examine extension cords before using and replace if damaged. Do not abuse
extension cords and do not yank on any cord to disconnect. Keep cords away from heat and sharp
edges. Always disconnect the extension cord from the receptacle before disconnection the product
from the extension cord.
WARNING
To reduce the risk of electrocution, keep all connections dry and off the ground. Do not touch the
plug with wet hands.
WARNING
• Locate the length of extension cord needed in table provided.
• Once the proper length is found, move down the column to obtain the correct AWG size required
for that length of extension cord. For example, a fty foot extension cord would require an AWG
size of 14 for a 120V volt circuit.
Use of undersize extension cords result in low voltage to the motor that can result in motor burnout and
premature failure. MK Diamond warns that equipment returned to us showing signs of being run in a
low voltage condition, through the use of undersized extension cords will be repaired or replaced totally
at the customers expense. There will be no warranty claim.
To choose the proper extension cord,
MOTOR SPECS EXTENSION CORD LENGTH
Motor Voltage Amps 25' 50' 100' 200’
157801-C 115V 1 Ph 15 14 ga 10 ga 8 ga 4 ga
12
The MK-SDG-7 is equipped with a number of safety decals provided for operator safety and mainte-
nance information. Should any of these decals become unreadable, replacements can be obtained by
calling (800) 421-5830.
OPERATION & SAFETY DECALS
MK-SDG-7 SAFETY
Decal Location Description
A Shroud Warning - Silica
B Switch Box Owner's Manual
C Weight Hands & Feet Clear
D Switch Box Extension Cord
E Switch Box Service
F Switch Box QR Code for Manuals
G Motor Prop 65
Part # 164202
A
B
C
D
E
F
G
Part # 154398
DO NOT operate
this equipment
before reading the
owner’s manual.
WARNING
!
Part # 155038
SERVICE OR
WARRANTY
FOR INFORMATION ON
PLEASE CALL
1-800-474-5594
Part # 170480
Part # 155585
CAUTION
Keep
hands and
feet clear.
!
Part # 155672
NOTICE
Most motor problems are caused by
low voltage from improper extension
cords. See owner’s manual for
extension cord selection.
!
WARNING
• Use of this equipment can expose you to chemicals
including nickel and crystalline silica which are known to
the State of California to cause cancer.
• For more information go to www.P65Warnings.ca.gov.
• Repeated and/or substantial inhalation can cause
serious or fatal respiratory diseases including silicosis.
• Employ dust controls and protection per
OSHA/NIOSH/MSHA.
!
Label Part #164202
Scan for manuals
Part # 172641
WARNING: This equipment contains chemicals known to
the State of California to cause cancer and birth defects or other
reproductive harm. These chemicals are contained in various
components, fluids and paint, including but not limited to, fuel, oil,
electric motors and batteries. In addition, gasoline/diesel powered
equipment emits engine exhaust and fumes, and when serviced,
cleaned or maintained generate used oil, waste fluids, fumes,
grease, grime and particulates from component wear and silica dust
which contain chemicals known to the State of California to cause
cancer and birth defects or other reproductive harm.
For more information go to www.P65Warnings.ca.gov.
!
B
F
E
D
C
A
G
A B E D
F
C
13
• 120V/15 Amp motor, disc RPM of 3,500
• Constructed with sturdy heavy gauge steel
• MK-IXL vacuum shroud for dust control
• Shroud accommodates diamond cup wheels up to 7" in diameter
• Attaches to a vacuum/dust collection system, reducing risk respirable dust
• Lightweight portable size for use in small areas
• Easy to maneuver by one person
• Levels uneven surfaces and quickly removes epoxies and thin coatings
FEATURES
MK-SDG-7 FEATURES & PRODUCT SPECIFICATIONS
PRODUCT SPECIFICATIONS
Model MK-SDG-7
Voltage 115V
AMPS 15
Disc RPM 3500
Disc Capacity 7" (178 mm)
Arbor 5/8" - 11
LxWxH (in) 34.6" x 17.5" x 32"
LxWxH (mm) 879 x 445 x 813
Weight 44 lbs. (18.6 kg)
Part # 166859
Perfect for small jobs, the MK SDG-7 is designed to dry grind concrete surfaces to a smooth nish.
Durably built with heavy gauge steel it is still lightweight and portable and the removable handle bar
making it easy to transport. The dust control system is ready to hook-up to any vacuum system for
dustless grinding. Comes with the MK IXL dust shroud and a 7" cup wheel.
DANGER
Do Not Use in Wet Conditions
14
MK-SDG-7 ASSEMBLY
Place the handle bar assembly
into the base and screw the tri-
knob in to hold it in place.
Attach the vacuum hose to the
shroud and vacuum outlet port.
Tighten clamp with wing nut so it
is firmly attached.
Place shroud on flange.
Use a 15/16 wrench on the cup wheel bolt, and a 1” wrench on the
hex shaft. Place the 1” wrench between the cup wheel and the dust
shroud, as shown, until the wrench (open end) goes over the hex
shaft. Hold the shaft in place and use the 15/16 wrench to break
the bolt free. Once it is broken free you can turn the bolt by hand
until it comes off with the cup wheel. Replace with new cup wheel
and tighten bolt. Use wrenches to make sure the bolt is tight, before
grinding.
ASSEMBLY
INSTALLING/REPLACING CUP WHEEL
Diamond tools 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.
CAUTION
15
MK-SDG-7 OPERATION
LEVELING CUP WHEEL
OPERATION
BEFORE STARTING
1. Inspect area before grinding. Remove all debris that could damage diamond cup wheel or cause a
hazardous situation.
2. Choose correct diamond wheel for the job condition.
3. Ensure grinding wheel mounting is clean and the retaining bolt is securely tightened.
4. Be sure the grinding wheel is positioned over the work area.
The rear axle is adjustable to allow cup wheel to lay at on the
surface to be nished. The two adjuster nuts below the axle are
used to allow the disc to lie ush to the work surface.
Tilt the grinder up from the floor. Check the shroud and cup wheel
are free of obstruction. Plug in
grinder to suitable power source.
When grinding is completed, tilt
grinder back and switch
to OFF.
Start the motor and lower
grinder to start grinding.
Attach the hose from a
vacuum to the vacuum outlet port.
Turn on vacuum.
Dry cutting/grinding has the potential to expose you to high levels of crystalline
silica. Repeated and/or substantial inhalation can cause serious or fatal respira-
tory diseases including silicosis. For more information go to www.P65Warnings.
ca.gov. Employ dust controls and protection per OSHA/NIOSH/MSHA.
WARNING
16
MK-SDG-7 EXPLODED VIEW
DATE
REVISIONS
DESCRIPTION
REV.
ZONE
1315 STORM PARKWAY
TORRANCE, CA. 90509
MK DIAMOND
DWG. NO.
PARTS LIST
APPLICATION
DO NOT SCALE DRAWING
NEXT ASSY.
DRAWN
CHECK
DESIGN
SCALE: 0.240
D
SIZE
DATE
PART NO.
PART OR
IDENTIFYING NO.
REQ.
QTY.
DESCRIPTION
PRODUCTS INC.
SHEET: 2 of 3
REV.
NO.
ITEM
APPROVED
JIHG
F
EDCBA
5
4
3
2
1
TOLERANCES
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
WHOLE NO. AND
FRACTIONS = 1/16
(EXCEPT DRILL HOLES)
.X = .03
.XX = .010
.XXX = .005
ANGLES = 1/2
PROPRIETARY NOTICE: THIS DRAWING
AND INFORMATION IT CONTAINS ARE THE
PROPERTY OF MK DIAMOND INC. AND ARE
CONSIDERED CONFIDENTIAL AND MAY NOT BE
REPRODUCED, COPIED, OR USED IN PART OR
IN WHOLE WITHOUT THE WRITTEN CONSENT OF
MK DIAMOND PRODUCTS INC..
MK-SDG-7 FLOOR GRINDER
MK-SDG-7" GRINDER
166859
166859 G
-
2 138537 WHEEL, FRONT 5"X2"W 1
1 151893 NUT,HEX,1/4-20 2
2 151915 WASHER,FLAT,SAE,1/4 3
1 152594 CLAMP, 3/4 CUSHION LOOP 4
1 152608 SCREW, 1/4-20 X 1/2 HEX HEAD 5
2 153814 COLLAR, SET, 3/4" 6
1 154398 LABEL,WARNING,READ MANUAL 7
1 155038_FLAT LABEL, INFORMATION ON SERVICE 8
1 155446 MK-304CG1 7X7/8-5/8 9
1 155585 LABEL, CAUTION, HANDS AND FEET 10
1 155672 LABEL, NOTICE, MOTOR PROBLEMS 11
2 155812 SCREW, FLAT HEAD, 1/4-20x1/2 PHIL 12
1 157801-C MTR, 115V, 15A, AC 13
1 157914 LOGO, MK ADHESIVE 14
6 158158 SCREW, HEX HEAD CAP, M6x1x20MM 15
1 158350 WASHER, FLAT, 5/8 SAE 16
2 158608 GRIP, HANDLE 7/8 ID 17
6 160215 WASHER, FLAT M6 18
1 164202_01 LABEL,WARNING,SILICA, PROP 65 19
1 166536_1 HOSE, VACUUM, 2"ID (36"L) 20
1 166649 ASSY, DUST SHROUD, FULL 21
1 166860_ ASSY, BASE 22
1 166861 HANDLEBAR, SDG-7 23
1 166863 ADAPTER, SHAFT 24
1 167434 WEIGHT, 7" FLOOR GRINDER 25
1 167662_14 SLEEVE, SPLIT LOOM, 5/8" ID (14") 26
1 168146 OWNERS MANUAL SDG-7 27
1 169045 SCREW, SET M10-1.5 X 50MM 28
1 170480 LABEL, QR CODE 29
1 170535 CLAMP,DUST SHROUD,BLACK 30
1 172214 KNOB, FOUR ARM, 3/8-16 X 2-1/2 31
1 172836-5 ASSY, SWITCH BOX, SDG-7 32
1 172998 SCREW, HEX HD, GRADE 8, 5/8-11X1 33
PARTS MANUAL LIST
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
23
24
25
28
29
30
31
32
22
33
FIGURE 1 SDG-7 PART # 166859
17
MK-SDG-7 PARTS LIST
ITEM DESCRIPTION PART # QTY
1 WHEEL, FRONT 5"X2"W 138537 2
2 NUT,HEX,1/4-20 151893 1
3 WASHER,FLAT,SAE,1/4 151915 2
4 CLAMP, 3/4 CUSHION LOOP 152594 1
5 SCREW, 1/4-20 X 1/2 HEX HEAD 152608 1
6 COLLAR, SET, 3/4" 153814 2
7 LABEL,WARNING,READ MANUAL 154398 1
8 LABEL, INFORMATION ON SERVICE 155038 1
9 MK-304CG1 7X7/8-5/8 155446 1
10 LABEL, CAUTION, HANDS AND FEET 155585 1
11 LABEL, NOTICE, MOTOR PROBLEMS 155672 1
12 SCREW, FLAT HEAD, 1/4-20x1/2 PHIL 155812 2
13 MTR, 115V, 15A, AC 157801-C 1
14 LOGO, MK ADHESIVE 157914 1
15 SCREW, HEX HEAD CAP, M6x1x20MM 158158 6
16 WASHER, FLAT, 5/8 SAE 158350 1
17 GRIP, HANDLE 7/8 ID 158608 2
18 WASHER, FLAT M6 160215 6
19 LABEL,WARNING,SILICA, PROP 65 164202_01 1
20 HOSE, VACUUM, 2"ID (36"L) 166536_1 1
21 ASSY, DUST SHROUD, FULL 166649 1
22 ASSY, BASE 166860_ 1
23 HANDLEBAR, SDG-7 166861 1
24 ADAPTER, SHAFT 166863 1
25 WEIGHT, 7" FLOOR GRINDER 167434 1
26 SLEEVE, SPLIT LOOM, 5/8" ID (14") 167662_14 1
27 OWNERS MANUAL SDG-7 168146 1
28 SCREW, SET M10-1.5 X 50MM 169045 1
29 LABEL, QR CODE 170480 1
30 CLAMP,DUST SHROUD,BLACK 170535 1
31 KNOB, FOUR ARM, 3/8-16 X 2-1/2 172214 1
32 ASSY, SWITCH BOX, SDG-7 172836-5 1
33 SCREW, HEX HD, GRADE 8, 5/8-11X1 172998 1
FIGURE 1 SDG-7 PART # 166859
18
MK-SDG-7 EXPLODED VIEW
1 2 3 4 5
6 7 8
A
B
C
D
E
F
G
H
DATE
REVISIONS
DESCRIPTION
REV.
ZONE
APPROVED
1315 STORM PARKWAY
TORRANCE, CA. 90509
MK DIAMOND
DWG. NO.
PARTS LIST
APPLICATION
DO NOT SCALE DRAWING
NEXT ASSY.
DRAWN
CHECK
DESIGN
SCALE: 1.000
E
SIZE
DATE
PART NO.
PART OR
IDENTIFYING NO.
REQ.
QTY.
DESCRIPTION
PRODUCTS INC.
SHEET: 1 of 5
REV.
NO.
ITEM
TOLERANCES
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
WHOLE NO. AND
FRACTIONS = 1/16
(EXCEPT DRILL HOLES)
.X = .03
.XX = .010
.XXX = .005
ANGLES = 1/2
PROPRIETARY NOTICE: THIS DRAWING
AND INFORMATION IT CONTAINS ARE THE
PROPERTY OF MK DIAMOND INC. AND ARE
CONSIDERED CONFIDENTIAL AND MAY NOT BE
REPRODUCED, COPIED, OR USED IN PART OR
IN WHOLE WITHOUT THE WRITTEN CONSENT OF
MK DIAMOND PRODUCTS INC..
RMR 6/19/08
SMH 12/7/08
RMR 6/19/08
- - INITIAL RELEASE, ECO #1534 11/21/08 RMR
-
-
- C ELIM ONE HOLE IN ITEM #6, ECO#2032 11/08/12 JRJ
- D MODIFY DESIGN, ECO# 2305 11/01/16 SMH
- E ADD -R & CHANGE TYPE TO PHAN, ECO# 2465 11/08/19 SSH
MK SDG-7 FLOOR GRINDER
ASSY, BASE
166860
166860 E
-
2 150923 WASHER, FLAT, SAE, 3/8 1
2 152505 NUT,HEX,NYLK,3/8-16 2
2 153523 WASHER,FLAT,SAE,3/4 3
1 166860-R BASE WELDMENT 4
1 172907 AXLE 5
2 172908 SPRING 6
1
2
4
5
6
3
SCALE 0.500
A REMOVE DETAIL ITEM #7, ECO#1648 10/05/09 RMR
B CHANGE IT.#2, 3 & 6, ECO#1662 10/28/09 RMR
ITEM DESCRIPTION PART # QTY
1 WASHER, FLAT, SAE, 3/8 150923 2
2 NUT,HEX,NYLK,3/8-16 152505 2
3 WASHER,FLAT,SAE,3/4 153523 2
4 BASE WELDMENT 166860-R 1
5 AXLE 172907 1
6 SPRING 172908 2
FIGURE 2 FLOOR GRINDER, BASE PART # 166860
19
MK-SDG-7 EXPLODED VIEW
1315 STORM PARKWAY
TORRANCE, CA. 90509
MK DIAMOND
DWG. NO.
PARTS LIST
APPLICATION
DO NOT SCALE DRAWING
NEXT ASSY.
DRAWN
CHECK
DESIGN
SCALE: 0.750
C
SIZE
DATE
PART NO.
PART OR
IDENTIFYING NO.
REQ.
QTY.
DESCRIPTION
PRODUCTS INC.
SHEET: 6 of 19
REV.
NO.
ITEM
DATE
REVISIONS
DESCRIPTION
REV.
ZONE
APPROVED
8
7
6
5
4
3
2
1
J
I
H
G
F
E
D
C
B
A
TOLERANCES
UNLESS OTHERWISE SPECIFIED
DIMENSIONS ARE IN INCHES
WHOLE NO. AND
FRACTIONS = 1/16
(EXCEPT DRILL HOLES)
.X =
.03
.XX = .010
.XXX = .005
ANGLES = 1/2
PROPRIETARY NOTICE: THIS DRAWING
AND INFORMATION IT CONTAINS ARE THE
PROPERTY OF MK DIAMOND INC. AND ARE
CONSIDERED CONFIDENTIAL AND MAY NOT BE
REPRODUCED, COPIED, OR USED IN PART OR
IN WHOLE WITHOUT THE WRITTEN CONSENT OF
MK DIAMOND PRODUCTS INC..
172836-5
172836-5 D
MK COMMON PART
ASSY, SWITCH BOX, SDG-7
154301 COVER, SWITCH 1
154310 SWITCH, TOGGLE 125V 20A 2
157393 SCREW, PAN HD, PHIL 6-32 X 5/8 3
158211 PLATE, TOGGLE SWITCH LOCKOUT 4
159491 GASKET, COVER, 30 AMP SWITCH 5
167176 CORDSET, MOTOR, SGD-7 6
167180 CORD, POWER, 14/3 115V 7
172835-3 BOX, SWITCH, COMP SDG-7 8
172838 COVER, SWITCH 9
NOTES:
1. SUPERSEDES 166858.
2. USED ON MK-SDG-7.
1
2
3
4
5
7
8
9
6
ITEM DESCRIPTION PART # QTY
1 COVER, SWITCH 154301 1
2 SWITCH, TOGGLE 125V 20A 154310 1
3 SCREW, PAN HD, PHIL 6-32 X 5/8 157393 4
4 PLATE, TOGGLE SWITCH LOCKOUT 158211 1
5 GASKET, COVER, 30 AMP SWITCH 159491 1
6 CORDSET, MOTOR, SGD-7 167176 1
7 CORD, POWER, 14/3 115V 167180 1
8 BOX, SWITCH, COMP SDG-7 172835-3 1
9 COVER, SWITCH 172838 1
FIGURE 3 SWITCH BOX PART # 172836-5
20
Single Row Grinding Cup Wheels Double Row Grinding Cup Wheels
MK-304CG-1
• 12 segment cup wheel
• 6mm diamond depth height
• 600-800 sq. ft. area
• For concrete deburring &
rough surface grinding
MK-304SG-2
• 24 segment cup wheel
• 6mm diamond depth height
• 800-1200 sq. ft. area
• For concrete deburring &
rough surface grinding
Turbo Cup Wheels PCD Cup Wheels
MK-504CG-1
• 12 segment cup wheel
• 6mm diamond depth height
• 1800-2400 sq. ft. area
• For fast surface grinding
MK-604CG-1
• 12 segment cup wheel
• 800-1000 sq. ft. area
• For epoxy/paint removal
MK-504SG-2
• 24 segment cup wheel
• 6mm diamond depth height
• 2400-3000 sq. ft. area
• For fast surface grinding
MK-604SG-2
• 18 segment cup wheel
• 1400-1800 sq. ft. area
• For epoxy/paint removal
T-Segment Cup Wheel Bi-Turbo Cup Wheel
T- Segment
• 14 segment cup wheel
• 6mm diamond depth height
• 1800-2400 sq. ft. area
• For smooth surface grinding
MK-704SG-2
• 18 segment cup wheel
• 6mm diamond depth height
• 5000-8000 sq. ft. area
• For high efficiency surface
grinding
MK-SDG-7 ACCESSORIES
Recommended 7" Cup Wheels For A Variety Of Applications
Part# 155446
Part# 158734
Part# 158736
Part# 166380
Part# 155447
Part# 162789
Part# 162792
Part# 167115
ACCESSORIES
Part# 166964
MK-IXL HINGED SHROUD
• 8GritRough,aggressiveremovalofheavycoatingsPart # 167836
• 16GritHeavy-dutyremovalofmastic,epoxyandurethanecoatingsPart # 167837
• 24GritLightscuffingandcleaningwithminimalremovalPart # 167838
• 36GritLightscuffingandcleaningwithminimalremovalPart # 167839
• Single Disc Grinder Adapter Part # 169216 is required for Zek Disc
Four grits are offered for different coating removal applications:
7" 5-PACK Bulk SAWTEC-ZEK Abrasive Grinding Disks
GrindingDisksforremovingmastic,epoxyandurethanecoatings.
Fivedisk,bulkpacks.7/8"
•Useforgrindingagainstwallsandedges
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MK Diamond Products MK-SDG-7 Owner's manual

Brand
MK Diamond Products
Model
MK-SDG-7
Type
Owner's manual
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