MK Diamond Products MK-370EXP TILE SAW Owner's Manual
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MK Diamond Products MK-370EXP TILE SAW Owner's Manual

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MK-370EXP TILE SAW
OWNERS MANUAL &

OPERATING INSTRUCTIONS

Revision 301
04.2009
Manual Part No. 160084
Caution: Read all safety and operating instructions before
using this equipment. This owners manual MUST accompany
the equipment at all times.
MK Diamond Products, Inc.

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Summary of Contents for MK Diamond Products MK-370EXP TILE SAW

  • Page 1: Operating Instructions

    MK-370EXP TILE SAW OWNERS MANUAL & OPERATING INSTRUCTIONS Revision 301 04.2009 Manual Part No. 160084 Caution: Read all safety and operating instructions before using this equipment. This owners manual MUST accompany the equipment at all times. MK Diamond Products, Inc.

  • Page 2: Model Number

    MK-370EXP NOTES Congratulations on your purchase of a MK-370EXP Tile Saw. We are certain that you will be pleased with your purchase. MK Diamond takes pride in producing the finest construction power tools and diamond blades in the industry. Operated correctly, your MK-370EXP should provide you with years of service. In order to help you, we have included this manual.

  • Page 3: Table Of Contents

    MK-370EXP TABLE OF CONTENTS MK-370EXP PAGE SAFETY Safety Message/Alert Symbols, Warnings Hazard Symbols Electric Motor Safety 8-10 Operation & Safety Decals PRODUCT SPECIFICATIONS Specifications SET-UP Unpacking, Transport, Stand, & Assembly 13-20 Adjustment & Operation 21-25 Cleanup 26-27 Maintenance & Troubleshooting 28-40 EXPLODED VIEW AND PART LIST Exploded View Saw...

  • Page 4: Safety Message/Alert Symbols, Warnings

    MK-370EXP 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 A safety message alerts you to potential hazards that could hurt you or others.
  • Page 5 MK-370EXP SAFETY 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. USE THE RIGHT TOOL DO NOT force a tool or an attachment, to do a job that it was not designed to do.

  • Page 6: Safety

    MK-370EXP SAFETY USE RECOMMENDED ACCESSORIES Consult the owner’s manual for recommended accessories. Using improper accessories may increase the risk of personal or by-stander injury. NEVER STAND ON THE TOOL Serious injury could occur if a power tool is tipped, or if a cutting tool is unintentionally contacted.

  • Page 7: Hazard Symbols

    MK-370EXP SAFETY HAZARD SYMBOLS ELECTRICAL SHOCK NEVER touch electrical wires or components while the engine is running. They can be sources of electrical shock which could cause severe injury or burns. ROTATING PARTS Keep hands, feet, hair, and clothing away from all moving parts to prevent injury. Never operate the engine with covers, shrouds, or guards removed.

  • Page 8: Electric Motor Safety

    MK-370EXP SAFETY ELECTRICAL REQUIREMENTS AND GROUNDING INSTRUCTIONS In order to prevent potential electrical shock and injury, the following electrical safety precautions and sym- bols 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.
  • Page 9 WARNING To avoid the possibility of the appliance plug or receptacle getting wet, position the machine to one side of a wall mounted receptacle. This will prevent water from dripping onto the receptacle or plug. A “drip loop,” shown in Figure 2, should be arranged by the user to properly position the power cord relative to the power source.
  • Page 10 MK-370EXP SAFETY WARNING To reduce the risk of electrocution, keep all connections dry and off the ground. Do not touch the plug with wet hands. WARNING Use of under size extension cords result in low voltage to the motor that can result in motor burnout and premature failure.

  • Page 11: Operation & Safety Decals

    MK-370EXP SAFETY SAFETY LABEL LOCATIONS Safety 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 12: Product Specifications

    MK-370EXP SAFETY PRODUCT SPECIFICATIONS The MK-370EXP is a versatile Tile Saw. Operated and used according to this manual, the MK-370EXP will provide years of dependable service. GENERAL DESCRIPTION The MK-370EXP Tile Saw is engineered as a tabletop or stand mounted wet tile saw. The saw includes a powerful 115V electric motor.

  • Page 13: Unpacking, Transport, Stand, & Assembly

    OWNERS MANUAL & OPERATING INSTRUCTIONS Revision 301 03.2009 Caution: Read all safety and operating instructions before using this equipment. This parts list MUST accompany the equipment at all times. MK Diamond Products, Inc. Blade Nut Shaft Owners Pump Warranty Wrench...

  • Page 14: Optional Stand

    MK-370EXP UNIVERSAL STAND ASSEMBLY OPTIONAL STAND CAUTION 1. The MK-370EXP weighs approximately thirty-three (33) pounds; use care when lifting. 2. Never lift the MK-370EXP with water in the Water Pan. If a stand was not included with your saw, you have the option of purchasing one (part# 160131-MK) Open the Stand Orient the Saw to the Align the Stand supports to...

  • Page 15: Cutting Head Installation

    MK-370EXP ASSEMBLY Follow the assembly instructions to prepare your MK-370EXP for operation. CUTTING HEAD INSTALLATION Flat Washer Place the Flat Washer onto Align Cutting Head Pivot Verify the Cutting Head is the Height Adjusting Knob Hole to the Post, Pivot completely installed and Shaft seated on the Post...
  • Page 16 MK-370EXP ASSEMBLY Motor Shaft Inner blade Turn Counter-Clockwise Guard Motor Blade Wrench Shaft Wrench Place the Shaft Wrench Using the Blade and Shaft Install Diamond Blade between the Inner Blade Wrenches, loosen and onto Blade Shaft Guard and the Motor and remove the Retaining Nut onto the Motor Shaft and Outer Flange...

  • Page 17: Adjustable Cutting Guide Installation

    MK-370EXP ASSEMBLY ADJUSTABLE CUTTING GUIDE INSTALLATION NOTE: The Adjustable Cutting Guide can be used on either side of the Diamond Blade. Loosen Adjustable Cutting Guide Place the Adjustable Cutting Guide onto the Movable Cutting, Table retaining thumbscrew and place it over the Movable Cutting Table, Ruler/Stop and tighten the retaining Ruler/Stop...

  • Page 18: Setup

    MK-370EXP SETUP PRE-START INSPECTION Prior to beginning work, a pre-start inspection of the saw should be performed. Ensure the ON/OFF Switch Verify the Movable Cutting Inspect the Diamond Blade is in the OFF position Table moves freely for damage – verify the blade is correct for the type of material being cut Inspect the Pump Assembly...
  • Page 19 MK-370EXP SETUP WATER PUMP SETUP FOR OPERATION The Water Pump can be setup for operation in two ways: External Water Source or Re-circulation. NOTE: If cutting dry DO NOT connect the water pump. RE-CIRCULATION NOTE: When using the re-circulation method, the water should be changed often for longer pump life Ensure that Cooling Place the Water Pump Position pump as shown...

  • Page 20: Setup For Operation

    MK-370EXP SETUP SETUP FOR OPERATION CAUTION 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.

  • Page 21: Adjustment & Operation

    MK-370EXP ADJUSTMENT & OPERATION CUTTING STRAIGHT EDGES CAUTION DO NOT FORCE THE TOOL. It will do the job better and safer at the rate for which it was designed. Desired cut length indicated here Loosen the Adjustable Position the Adjustable Tighten the retaining Cutting Guide retaining Cutting Guide to desired...
  • Page 22 MK-370EXP ADJUSTMENT & OPERATION CUTTING 45° MITERS The MK-370EXP is designed with an adjustable Cutting Head for precision 45º Miter Cuts. CAUTION DO NOT FORCE THE TOOL. It will do the job better and safer at the rate for which it was designed.
  • Page 23 MK-370EXP ADJUSTMENT & OPERATION CUTTING 45° MITERS (CONT...) Pivot Direction Perform the cut Turn the motor OFF when Return the Cutting Head to work is complete the upright position when complete...

  • Page 24: Diagonal Cutting

    MK-370EXP ADJUSTMENT & OPERATION DIAGONAL CUTTING NOTE: To cut diagonal, the Dual 45º Flat Angle Guide (MK Diamond Part No. 134557-MK) should be used. CAUTION DO NOT FORCE THE TOOL. It will do the job better and safer at the rate for which it was designed.
  • Page 25 MK-370EXP ADJUSTMENT & OPERATION OFF-ANGLE CUTTING NOTE: Use a Protractor (MK Part No. 134569-MK) to cut angles other than 45º angles. (not included) CAUTION DO NOT FORCE THE TOOL. It will do the job better and safer at the rate for which it was designed.

  • Page 26: Cleanup

    MK-370EXP MAINTENANCE CLEANUP NOTE: Dispose of wastewater in accordance with applicable Federal, State and Local laws. Remove the pump Suction Fill the Water Pan with Run the MK-370EXP until Screen and clean the Water clean water clear water is seen at the Pump of all debris.
  • Page 27 MK-370EXP MAINTENANCE Clean the Adjustable Cutting Clean the Water Pan Clean the Roller Wheel Guide and Guide Bar Guide Rail CAUTION Ensure water is not forced into the motor casing when cleaning. Clean the remainder of the MK-370EXP...

  • Page 28: Monthly Maintenance

    MK-370EXP MAINTENANCE MAINTENANCE FOLLOWING USE To extend the life of the MK-370EXP, 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. Ensure the ON/OFF Switch Unplug MK-370EXP Lubricate the Guide Bar is in the OFF position...
  • Page 29 MK-370EXP MAINTENANCE Blade Guard Front Pivot Pivot Shaft Point Clean around Motor Shaft Remove the Blade Guard Lubricate the front Cutting Head Pivot Point then clean and lubricate the Blade Guard Pivot Shaft Rear Pivot Point Lubricate the rear Cutting Remove the Cutting Head Clean the Cutting Head Head Pivot Point...
  • Page 30 MK-370EXP MAINTENANCE & TROUBLESHOOTING FLOW ADJUSTMENT NOTE: If flow to the diamond blade requires adjustment, perform the following actions. Increase cooling flow by Reduce cooling flow by releasing the Flow Adjusting pressing down on the Flow Clamp Adjusting Clamp...

  • Page 31: Maintenance & Troubleshooting

    MK-370EXP MAINTENANCE & TROUBLESHOOTING 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" or bend giving the illusion of an alignment problem.
  • Page 32 MK-370EXP MAINTENANCE & TROUBLESHOOTING DIAMOND BLADE CHANGE-OUT NOTE: When installing the Retaining Nut, do not “cross-thread" and DO NOT over tighten the screw. Turn CCW Open the Outer Blade Remove Retaining Nut and Remove Diamond Blade from Blade Shaft Outer Flange Turn CW Install the Diamond Blade Install the Retaining Nut...
  • Page 33 MK-370EXP MAINTENANCE & TROUBLESHOOTING ALIGNMENT The Movable Cutting Table of the MK-370EXP is pre-aligned in the factory. It may become misaligned with the Cutting Head of the Tile Saw over time. Should misalignment occur, perform the following steps to realign it. NOTE: If alignment problems are the result of a warped blade, a bent frame or bent support arm, or, if alignment is off by more than 1/8-inch, contact the MK Diamond Service Center - (800) 474-5594 Combination Square...
  • Page 34 MK-370EXP MAINTENANCE & TROUBLESHOOTING MOVABLE CUTTING TABLE ALIGNMENT VERIFICATION This will verify the Movable Cutting Table is aligned to the frame of the saw. NOTE: If the blade is misaligned following alignment verification, attempt to align using Alignment Screw, 90º Verification.
  • Page 35 MK-370EXP MAINTENANCE & TROUBLESHOOTING ALIGNMENT SCREW, 90° VERIFICATION 90º- alignment verification will ensure that the blade will cut the tile straight up and down and not at an angle. NOTES: If the blade is misaligned following this alignment procedure, return the saw to MK Diamond for repair.
  • Page 36 MK-370EXP MAINTENANCE & TROUBLESHOOTING HORIZONTAL FINAL ALIGNMENT Ruler/Stop Pull Movable Cutting Table Position Square flat on Movable Position front of Square to front of Tile Saw Cutting Table against Ruler/ against Blade Stop Move Guide Bar and table Move Guide Bar and table Position end of Square until Square rests evenly until Square rests evenly...
  • Page 37 MK-370EXP MAINTENANCE & TROUBLESHOOTING 45° ALIGNMENT VERIFICATION The 45° Alignment Verification is done to ensure the blade will cut tile at a 45° angle. NOTE: If the blade is misaligned following this alignment procedure, return the saw to MK Diamond for repair.

  • Page 38: Troubleshooting

    MK-370EXP TROUBLESHOOTING BLADE WILL NOT CUT PROPERLY Check for Smoothness or Check for proper rotation Ensure the Blade Core is “Glazing" (Dress blade if not bent and Arbor is not needed) out of round Verify the blade is correct for the material being used MOVABLE CUTTING TABLE DOES NOT MOVE CORRECTLY Check that the Guide Bar Check the Movable Cutting...

  • Page 39: Cooling Flow

    MK-370EXP MAINTENANCE & TROUBLESHOOTING COOLING FLOW Check cooling flow Remove the Cooling Place Pump into a bucket Adjusting Clamp open Transfer Tube from the of water and check flow Blade Guard inlet Intake Screen ((E) Remove the Cooling Remove the Pump Remove the Pump Intake Transfer Tube and check Discharge Fitting and check...

  • Page 40: Blade Stops Turning

    MK-370EXP MAINTENANCE & TROUBLESHOOTING “Rodding" cooling channels is performed by inserting a small wire rod through the cooling inlet NOTE: on top of the Blade Guard and directing the rod out through each of the cooling flow tubes located on the underside of the Blade Guard. The cooling channels should be “rodded" until all ports are free of foreign debris.
  • Page 41 NOTES...
  • Page 42 MK-370EXP PARTS LIST...

  • Page 43: Parts List

    MK-370EXP PARTS LIST PART OR ITEM QTY. DESCRIPTION IDENTIFYING REQ. WASHER, FLAT CUT 3/8 101360 RIP GUIDE (COMP) 134551 WRENCH 134684 FLANGE, OUTER 135830 NUT, HEX, 5/8 - 18 135848 KNOB, 5/16 - 18 X 1 151681 SCREWS, 5/15 - 18 X 1 HEX HEAD MACHINE 151743 WINGNUT, NYLK, 5/16-18 151746...

  • Page 44: Exploded View Table

    MK-370EXP PARTS LIST CHART 1 CHART 2...

  • Page 45: Parts List

    MK-370EXP PARTS LIST CHART 1 PART OR ITEM QTY. DESCRIPTION IDENTIFYING REQ. SCREW, 5/16 - 18 X 1 HEX HEAD MACHINE 151743 WASHER, LOCK, SPLIT, 5/16 151747 WASHER, 5/16 SAE FLAT 151754 WHEEL, ROLLER 151799 NUT, 1/4 - 20 HEX 151893 SCREW, HEX HEAD 1/4-20 X 1-1/2"...

  • Page 46: Theory Of Diamond Blades

    MK-370EXP THEORY THEORY OF DIAMOND BLADES Diamond blades do not really cut; they grind the material through friction. Diamond crystals, often visible at the leading edge and sides of the rim/segment, remove material by scratching out particles of hard, dense materials, or by knocking out larger particles of loosely bonded abrasive material.
  • Page 47 MK-370EXP ACCESSORIES ITEM NUMBER DESCRIPTION 158434 MK-225, 7 x 5/8 Arbor 139311 MK-215, 7 x 5/8 Arbor 153293 MK-315, 7 x 5/8 Arbor 160131 Stand 134577-MK Dual 45° Flat Angle Guide 134569-MK 90° Protractor 152792 Dressing Stone 152610 Ground Fault Circuit Interrupter 160488 Side Table...

  • Page 48: Ordering Information

    ORDERING & RETURN INSTRUCTIONS ORDERING INFORMATION You may order MK Diamond products through your local MK Diamond distributor or, you may order direct from MK Diamond. NOTE: There is a $25.00 minimum order when ordering direct from MK Diamond. All purchases must be made using VISA, MasterCard or American Express.
  • Page 49 MK-370EXP TILE SAW OWNERS MANUAL & OPERATING INSTRUCTIONS DOCUMENT NO. 160084 REVISION 301 04/09 MK Diamond Products, Inc. 1315 Storm Parkway Torrance, CA 90501 Toll-Free: (800) 845-3729 Phone: (310) 539-2221 Fax: (310) 539-5158 www.mkdiamond.com...

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