MK Diamond Products MK-770 series Owner's Manual & Operating Instructions
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MK Diamond Products MK-770 series Owner's Manual & Operating Instructions

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MK-770 SERIES
TILE SAW
OWNER'S MANUAL &
OPERATING INSTRUCTIONS
CAUTION:
Read all safety and
operating instructions
before using this
equipment
Enter the Serial Number of your new saw in the
space below. The Serial Number is located on the
rear of the Cutting Head.
SERIAL NUMBER:
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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  • Page 1: Manual Part No. 153618 Revision No

    MK-770 SERIES TILE SAW OWNER’S MANUAL & OPERATING INSTRUCTIONS CAUTION: Read all safety and operating instructions before using this equipment Enter the Serial Number of your new saw in the space below. The Serial Number is located on the rear of the Cutting Head.
  • Page 2 INTRODUCTION We at MK Diamond want to congratulate you on selecting the MK-770 Tile Saw. We are certain that you will be pleased with your purchase. MK Diamond takes pride in producing the finest products in the industry. Operated correctly, your MK-770 should provide you with years of quality service. In order to help you, we have included this manual.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Page SAFETY: Safety Messages Damage Prevention Message General Safety Precautions and Hazard Symbols California Proposition 65 Message Electrical Requirements and Grounding Instructions Safety Label Locations Tile Saw Specific Warnings Product Specifications UNPACKING, TRANSPORT, UNIVERSAL STAND, and ASSEMBLY Unpacking Contents Transport...

  • Page 4: Safety

    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 MESSAGES: Safety messages inform the user about potential hazards that could lead to injury, death and/or equipment damage.
  • Page 5 SAFETY USE THE PROPER EXTENSION CORD. If using an extension cord make sure it is in good condition first. 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.

  • Page 6: California Proposition 65 Message

    SAFETY Hazard Symbols: ELECTRICAL SHOCK! Never touch electrical wires or components while the motor is running. Exposed, frayed or worn electrical motor wiring can be sources of electrical shock that could cause severe injury or burns. ACCIDENTAL STARTS! Before plugging the equipment into an electrical outlet, be sure the ON/OFF switch is in the OFF position to prevent accidental starting.

  • Page 7: Electrical Requirements And Grounding Instructions

    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! In case of a malfunction or breakdown, grounding provides a path of least resistance for electric current to reduce the risk of electric shock.
  • Page 8 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.

  • Page 9: Safety Label Locations

    Safety labels are located according to Figures 1 through 4 below. The labels contain important safety information. Please read the information contained on each safety label. These labels are considered a permanent part of your saw. If a label comes off or becomes hard to read, contact MK Diamond or your dealer for a replacement...

  • Page 10: Product Specifications

    46 lbs Table 2 Blade Capacity: The MK-770 uses a 7 (7) inch (178mm) diameter, wet cutting continuous rim, MK Diamond blade with a five- eighths (5/8) inch (15.875 mm) arbor. Tile Types: The MK-770 can cut a variety of tile types including Porcelain, Terracotta, Marble, Quarry and Slate, Ceramic or almost any other non-ferrous material.

  • Page 11: Unpacking, Transport, Universal Stand And Assembly Unpacking

    UNPACKING, TRANSPORT, UNIVERSAL STAND and ASSEMBLY UNPACKING: Your MK-770 has been shipped from the factory thoroughly inspected. Only minimal assembly is required. Use proper lifting techniques when lifting the MK-770. If not done, remove the MK-770, accessory box from the carton. CONTENTS: In your container, you will find one (1) MK-770 frame and water pan, one (1) MK-770 cutting head, (1) cutting head height adjusting knob, (1) height adjusting knob flat washer, one (1) 7-inch wet cutting continuous rim...

  • Page 12: Transport

    UNIVERSAL STAND: The MK-770 weighs forty-six (46) pounds; follow the guidelines for transport in the TRANSPORT section, when placing it on the stand. Note: If using the MK Diamond, Universal Stand, follow the following steps. Left Side Right Side of Saw...

  • Page 13: Assembly

    UNPACKING, TRANSPORT, UNIVERSAL STAND and ASSEMBLY ASSEMBLY: Follow the assembly instructions to prepare your MK-770 for operation. 1. Cutting Head Installation: NOTE: If the Cutting Head is installed, go to step 2. Pivot Hole Completely Flat Washer Post Installed Height Adjusting Knob Pivot Shaft Place the Flat Washer onto the...
  • Page 14 UNPACKING, TRANSPORT, UNIVERSAL STAND and ASSEMBLY Inner Blade Retaining nut and Diamond Motor Shaft Turn counter- Guard Blade clockwise to Outer Flange loosen Blade Shaft Shaft Blade Shaft Motor Wrench Wrench Wrench Place the Shaft Wrench Install Diamond Blade Using the Blade and Shaft between the Inner Blade Guard onto Blade Shaft Wrenches, loosen and remove...

  • Page 15: Adjustable Cutting Guide Installation

    UNPACKING, TRANSPORT, UNIVERSAL STAND and ASSEMBLY 3. Adjustable Cutting Guide Installation: NOTE: The Adjustable Cutting Guide can be used on either side of the Diamond Blade. Turn counter- Adjustable Adjustable Turn clockwise clockwise to loosen Cutting Guide Cutting Guide to tighten Ruler/Stop Ruler/Stop Loosen Adjustable Cutting...

  • Page 16: Setup, Adjustment And Operation Setup

    To prevent the possibility of electrical shock, the MK-770 MUST be de-energized when connecting the Water Pump. To prevent the possibility of electrical shock, use only MK Diamond qualified replacement parts NOTE: To prevent pump damage, the Water Pump must be disconnected if cutting with a Dry Blade.

  • Page 17: Water Pump Setup For Operation

    SETUP, ADJUSTMENT and OPERATION 3. Water Pump Setup for Operation: The Water Pump can be setup for operation in two ways, External Water Source or Re-circulation. NOTE: If using a dry blade for operation, DO NOT connect the water pump. I.
  • Page 18 SETUP, ADJUSTMENT and OPERATION 4 MK-770 Setup for Operation: 1. Before powering or starting, check for damage that could prevent this equipment from proper operation or performing it’s intended function. Check for binding and alignment of moving parts. Check for damaged, broken, or missing parts. 2.

  • Page 19: Adjustment And Operation

    SETUP, ADJUSTMENT and OPERATION ADJUSTMENT and OPERATION: 1. Cutting Straight Edges: DO NOT FORCE THE TOOL. It will do the job better and safer at the rate for which it was designed. Turn clockwise Turn counter- Desired cut length clockwise to loosen indicated here to tighten Loosen the Adjustable Cutting...
  • Page 20 SETUP, ADJUSTMENT and OPERATION 2. Cutting 45º Miters: The MK-770 is designed with an adjustable Cutting Head for precision 45º Miter Cuts. DO NOT FORCE THE TOOL. It will do the job better and safer at the rate for which it was designed.
  • Page 21 SETUP, ADJUSTMENT and OPERATION Hold Work ON/OFF Pivot Direction in Position Switch Direction Off Position of Cut Perform the cut Turn the motor OFF when work Return the Cutting Head to the is complete upright position when complete Page 21 MK-770 Revision 01/02, Effective Date January 10, 2002...

  • Page 22: Diagonal Cutting

    3. Diagonal Cutting: NOTE: To cut diagonal, the Dual 45º Flat Angle Guide (MK Diamond Part No. 134557-MK) should be used. DO NOT FORCE THE TOOL. It will do the job better and safer at the rate for which it was designed.
  • Page 23 SETUP, ADJUSTMENT and OPERATION 4. Off-angle Cutting: NOTE: To cut angles other than 45º angles, a Protractor (MK Diamond Part No. 134569-MK) should be used. DO NOT FORCE THE TOOL. It will do the job better and safer at the rate for which it was designed.

  • Page 24: Cleanup

    SETUP, ADJUSTMENT and OPERATION Turn the motor OFF when work Perform the cut is complete 5. Cleanup: NOTES: 1. If an external water source was used, steps A through C may be skipped. 2. Dispose of wastewater in accordance with applicable Federal, State and Local laws. Water Pump In container Pump...
  • Page 25 SETUP, ADJUSTMENT and OPERATION Ensure water is not forced into the motor casing when cleaning. Clean Roller Wheel Guide Bar Frame Support Clean the Movable Cutting Clean the Movable Cutting Clean the remainder of the Table Guide Bar Table Roller Wheel Frame MK-770 Support Page 25...

  • Page 26: Maintenance And Troubleshooting Maintenance

    MAINTENANCE AND TROUBLESHOOTING MAINTENANCE: 1. Maintenance Following Use: To extend the life of the MK-770, the following procedure should be performed after each use. Lubricate all points listed below with light oils such as, 3 in 1, WD-40, etc. ON/OFF GFCI Guide Bar Switch...
  • Page 27 MAINTENANCE AND TROUBLESHOOTING Blade Guard Front Pivot Pivot Shaft Point Motor Shaft Clean around Motor Shaft Remove the Blade Guard then Lubricate the front Cutting clean and Lubricate the Blade Head Pivot Point Guard Pivot Shaft Pivot Holes Cutting Rear Pivot Head Point Lubricate the rear Cutting...
  • Page 28 MAINTENANCE AND TROUBLESHOOTING 3. Flow Adjustment: NOTE: If flow to the diamond blade requires adjustment, perform the following actions. Press Tab to Restrict Flow Pull Tab to loosen Increase cooling flow by Reduce cooling flow by releasing the Flow Adjusting Pressing down on the Flow Clamp Adjusting Clamp...

  • Page 29: Blade Dressing

    MAINTENANCE AND TROUBLESHOOTING 4. Blade Dressing: Like most cutting instruments, a diamond blade performs best when it is dressed. Over time and use, diamonds on the outer edge of the blade will become smoothed or “glazed” over. This will reduce grinding efficiency and may cause the blade to “wander”...
  • Page 30 MAINTENANCE AND TROUBLESHOOTING 5. Diamond Blade Change-out: NOTE: When installing the Retaining Screw, do not “cross-thread" and DO NOT over tighten the screw. Diamond Turn counter- Blade Blade clockwise to Wrench loosen Retaining nut and Blade Blade Shaft Guard Outer Flange Shaft Wrench Remove Diamond Blade from...

  • Page 31: Troubleshooting

    Check for Smoothness or bent and Arbor is not out of “Glazing” (Dress blade if round needed) Contact place of purchase or MK Diamond (800 421-5830) to verify blade Return to MK Diamond If Blade Correct, for Repair go to Step E...

  • Page 32: Cooling Flow

    MAINTENANCE AND TROUBLESHOOTING 3. Cooling Flow: Pull to Cover Pump If flow exists, remove suction with water go to Step A Go to If flow exists, Pull Tab Step C go to Step D to loosen Check cooling flow Adjusting Remove the Cooling Transfer Place Pump into a bucket of Clamp open...

  • Page 33: Blade Stops Turning

    Go to for Repair clear, go to Step L Step K Clean the Blade Guard Intake Rod Cooling Channels and Return to MK Diamond Fitting recheck flow 4. Blade Stops Turning: Verify all plugs Reset once If less than 20...

  • Page 34: Exploded View And Parts List

    EXPLODED VIEW AND PARTS LIST EXPLODED VIEW: MK-770 Revision 01/02, Effective Date January 10, 2002...

  • Page 35: Parts List

    EXPLODED VIEW AND PARTS LIST PARTS LIST: Item Description Part # Accessories Carton, Accessory pack, 770 153498 Wrench, Blade Nut, 15/16 Boxed End 134684 Wrench, Blade Shaft, 11/16 Open End 153450 Curtain, Splash 134841 Bracket, Splash Curtain 155901 Wing-screw, 1/4-20 x 1/2 151888 Casting, Rip Guide (comp) 134551...
  • Page 36 EXPLODED VIEW AND PARTS LIST Item Description Part # Linear Bearing 151737-MK Casting, Bearing, Linear (comp) 151737 Bearing, Multi-Lube 151781 Screw, 5/16-18 x 1 Hex Head Cap 151743 Washer, 5/16 Split Lock 151747 Washer, 5/16 SAE Flat 151754 120v Motor, FLEX 155813-MK Motor, 120v/7.4a, FLEX 156428...

  • Page 37: Theory

    In the case of DRY cutting, the overwhelming popularity and quantity of hand-held saws and the flexible nature of MK Diamond blades to professionally handle most ceramic, masonry, stone and concrete materials, make the DRY cutting blade a very attractive tool. When using a DRY blade, the user must be aware of distinct operating practices to ensure optimum performance.

  • Page 38: Accessories Accessories

    ACCESSORIES ACCESSORIES: ITEM NUMBER DESCRIPTION 139295 MK-200, 7 x 5/8 Arbor 139311 MK-215, 7 x 5/8 Arbor 153293 MK-315, 7 x 5/8 Arbor 134577 Dual 45° Flat Angle Guide 134569 90° Protractor 152792 Dressing Stone 152610 Ground Fault Circuit Interrupter 151889 Universal Stand MK-770...

  • Page 39: Ordering Information

    Ensure all parts are secured in the packaging to prevent moving AUTHORIZED SERVICE CENTERS: For quicker repair time, you may contact MK Diamond Customer Service, toll free, at – 800 421-5830 or 310 539-5221 for the Authorized Service Center closest too you. For technical questions, call – 800 474-5594.

  • Page 40: Operating Instructions

    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 filter out microscopic particles. MK DIAMOND PRODUCTS, INC 1315 STORM PARKWAY, TORRANCE, CA 90509-2803 310 539 5158...

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