MK Diamond Products MK-370 EXP Owner's Manual & Operating Instructions
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MK Diamond Products MK-370 EXP Owner's Manual & Operating Instructions

Tile saw
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MK-370 EXP TILE SAW
OWNERS MANUAL &

OPERATING INSTRUCTIONS

Revision 201
11.2008
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.

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Summary of Contents for MK Diamond Products MK-370 EXP

  • Page 1: Operating Instructions

    MK-370 EXP TILE SAW OWNERS MANUAL & OPERATING INSTRUCTIONS Revision 201 11.2008 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.
  • Page 2 SAFETY INSTRUCTIONS FOR THE MK-370 EXP TILE SAW Congratulations on your purchase of a MK-370 EXP 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.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS SAFETY DAMAGE PREVENTION AND INFORMATION MESSAGES: _______________ 4 SAFETY MESSAGES _____________________________________________ 4 GENERAL SAFETY PRECAUTIONS AND HAZARD SYMBOLS ____________ 4 CALIFORNIA PROPOSITION 65 MESSAGE ___________________________ 6 ELECTRICAL REQUIREMENTS AND GROUNDING INSTRUCTIONS _______ 8 TILE SAW SPECIFIC WARNINGS:__________________________________ 10 SAFETY LABEL LOCATIONS ______________________________________ 10 PRODUCT SPECIFICATIONS _____________________________________ 11 UNPACKING, TRANSPORT, STAND and ASSEMBLY...

  • Page 4: Damage Prevention And Information Messages

    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 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: California Proposition 65 Message

    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. CHECK FOR DAMAGED PARTS Before using a power tool, check for damaged parts.
  • Page 7 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: 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! 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 SAFETY To avoid the possibility of the appliance plug or receptacle getting wet, position the saw 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: Tile Saw Specific Warnings

    Motor – Right Side Motor Specifications Motor – Left Side Caution – Use with Ground Fault Circuit Interrupter 155678 Cutting Head – Top MK-370 EXP Serial Number 157500 Cutting Head – Top Warning – Read Owners Manual 155806 Pump – Left Side Warning –...

  • Page 11: Product Specifications

    General Description The MK-370 EXP Tile Saw is engineered as a tabletop or stand mounted wet tile saw. The saw includes a powerful 115V electric motor. The saw is capable of cutting tile up to twelve (12) inches in length. The saw can cut an object one and three quarters (1-3/4) inches thick in one pass.

  • Page 12: Unpacking, Transport, Stand And Assembly

    2. Never transport the MK-370 EXP with water in the Water Pan. The MK-370 EXP is designed with a rigid frame and removable Cutting Head making the saw easily transportable. To lift the saw, grasp the front and back of the frame at the lift points shown below.

  • Page 13: Tile Saw Stand

    UNPACKING, TRANSPORT, UNIVERSAL STAND and ASSEMBLY TILE SAW STAND CAUTION 1. The MK-370 EXP weighs approximately thirty-three (33) pounds; use care when transporting. 2. Never transport the MK-370 EXP with water in the Water Pan. Open the Stand Orient the Saw to the Stand...

  • Page 14: Assembly

    UNPACKING, TRANSPORT, UNIVERSAL STAND and ASSEMBLY ASSEMBLY: Follow the assembly instructions to prepare your MK-370 EXP for operation. 1. Cutting Head Installation: NOTE: If the Cutting Head is installed, go to step 2. Flat Washer Place the Flat Washer onto...
  • Page 15 UNPACKING, TRANSPORT, UNIVERSAL STAND and ASSEMBLY Turn Counter- Motor Shaft Inner blade 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 remove onto Blade Shaft Guard and the Motor and onto the Retaining Nut and Outer the Motor Shaft...
  • Page 16 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. Place the Adjustable Cutting Guide onto Loosen Adjustable Cutting Guide retaining thumbscrew and place it over the Movable Cutting, Table Ruler/Stop the Movable Cutting Table, Ruler/Stop and tighten the retaining thumbscrew...

  • Page 17: Setup, Adjustment & Operation

    2. Connecting the Water Pump: WARNING 1. To prevent the possibility of electrical shock, the MK-370 EXP MUST be de-energized when connecting the Water Pump. 2. To prevent the possibility of electrical shock, use only MK Diamond qualified replacement parts.
  • Page 18 SETUP, ADJUSTMENT & 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 19 Check for damaged, broken, or missing parts. 2. Verify the On/Off switch is in the OFF position. 3. Before connecting the MK-370 EXP to a power supply, be sure the voltage, cycle and phase of the job site power source meet the requirements of TABLE 3...

  • Page 20: Adjustment & Operation

    SETUP, ADJUSTMENT & OPERATION ADJUSTMENT & OPERATION 1. 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 Cutting Position the Adjustable Tighten the retaining Guide retaining thumbscrew...
  • Page 21 SETUP, ADJUSTMENT & OPERATION 2. Cutting 45° Miters: The MK-370 EXP 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 22 SETUP, 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 23 SETUP, ADJUSTMENT & OPERATION 3. 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 24 SETUP, ADJUSTMENT & OPERATION 4. 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 25: Cleanup

    NOTES: Dispose of wastewater in accordance with applicable Federal, State and Local laws. Suction Screen Remove the pump Suction Fill the Water Pan with clean Run the MK-370 EXP until Screen and clean the Water water clear water is seen at the Pump of all debris blade Cooling Flow Points (Approx.
  • Page 26 CAUTION Ensure water is not forced into the motor casing when cleaning. Clean the remainder of the MK-370 EXP OPTIONAL SIDE TABLE Side Table You have the option of purchasing a Side Table (not included) that can be attached to the Cutting Table. The...

  • Page 27: Maintenance And Troubleshooting

    MAINTENANCE 1. Maintenance Following Use: To extend the life of the MK-370 EXP, 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 is...
  • Page 28 MAINTENANCE AND TROUBLESHOOTING Blade Guard Front Pivot Pivot Shaft Point Clean around Motor Shaft Remove the Blade Guard Lubricate the front Cutting then clean and Lubricate the Head Pivot Point Blade Guard Pivot Shaft Rear Pivot Point Lubricate the rear Cutting Remove the Cutting Head Clean the Cutting Head Pivot Head Pivot Point...
  • Page 29 MAINTENANCE AND TROUBLESHOOTING 3. 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 30: Blade Dressing

    The diamond blade can be dressed using the MK Dressing Stick (part number 152792) and by following the steps below. Adjustable cutting guide Setup the MK-370 EXP Set the Adjustable Cutting Position the Dressing Stick for operation (See Setup, Guide to cut a 1/16-strip...
  • Page 31 MAINTENANCE AND TROUBLESHOOTING 5. Diamond Blade Change-out: NOTE: When installing the Retaining Nut, do not “cross-thread” and DO NOT over tighten the screw. Rotate CW to Turn CCW Open Open the Outer Blade Remove Retaining Nut and Remove Diamond Blade from Outer Flange Blade Shaft Turn CW...

  • Page 32: Alignment

    MAINTENANCE AND TROUBLESHOOTING ALIGNMENT: The Movable Cutting Table of the MK-770 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 –...
  • Page 33 MAINTENANCE AND TROUBLESHOOTING MOVABLE CUTTING TABLE ALIGNMENT VERIFICATION: This will verify the Movable Cutting Table is aligned to the frame of the saw. NOTES: If the blade is misaligned following alignment verification, attempt to align using Alignment Screw, 90º Verification. The Diamond Blade must be removed and reinstalled when removing the Blade Guard. Lock Flat Surface Blade Guard retaining...
  • Page 34 MAINTENANCE AND 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 35 MAINTENANCE AND TROUBLESHOOTING Horizontal Rough Alignment: The Horizontal alignment will ensure that straight cuts (or Rip Cuts) are made. 1/4-inch Wrench Rotate Clockwise or Counterclockwise to Adjust Height Position Cutting Head Loosen front and rear Move Guide Rail and Table to normal Cut Depth Guide Bar Retaining Bolts until the Blade is centered in...
  • Page 36 MAINTENANCE AND TROUBLESHOOTING 45° Alignment Verification: The 45° Alignment Verification is done to ensure the blade will cut tile at a 45° angle. NOTES: If the blade is misaligned following this alignment procedure, return the saw to MK Diamond for repair.

  • Page 37: Troubleshooting

    MAINTENANCE AND TROUBLESHOOTING TROUBLESHOOTING 1. Blade will not cut properly: If "Glazed" then If Blade Core is bent, or Arbor is out Dress Blade of round, change blade Check for Smoothness or Check for proper rotation Ensure the Blade Core is not “Glazing”...
  • Page 38 MAINTENANCE AND TROUBLESHOOTING 3. Cooling Flow: Check cooling flow Adjusting Remove the Cooling Transfer Place Pump into a bucket of Clamp open Tube from the Blade Guard water and check flow inlet Intake Screen ((E) Remove the Cooling Transfer Remove the Pump Discharge Remove the Pump Intake Tube and check flow Fitting and check...
  • Page 39 MAINTENANCE AND TROUBLESHOOTING “Rodding” cooling channels is performed by inserting a small wire rod through the cooling inlet on top NOTE: of the Blade Guard and directing the rod out through each of the cooling flow tubes located on the underside of the Blade Guard.

  • Page 40: Exploded View And Parts List

    EXPLODED VIEW AND PARTS LIST MK-370 EXP EXPLODED VIEW...

  • Page 41: Parts List

    MK-370 EXP PARTS LIST PARTS LIST: Item Description Part # Accessories Wrench, Blade Nut, 15/16 Boxed End 134684 Wrench, Blade Shaft, 11/16 Open End 153450 Blade, MK-200/Gold 7x060x5/8 139295 Owner’s Manual, 370EXP 160084 Warranty Card 155037 Assembly, Rip Guide A6A) Rip Guide (comp)
  • Page 42 MK-370 EXP PARTS LIST (cont...) Screw, 5/16-18 X 1 Hex Head Cap 151743 Washer, 5/16 Split Lock 151747 Washer, 5/16 SAE Flat 151754 Linear Bearing, 3/4 Dia Bearing, Multilube 152227 Assembly, 120v Motor 160053 Motor, 120v/7.4A, Ryobi 156428-R Label, Caution, GFCI, 1 X 2 1/8...

  • Page 43: Theory

    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 44: Accessories

    ACCESSORIES 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 45: Ordering & Return Instructions

    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 46 MK-370 EXP TILE SAW OWNERS MANUAL & OPERATING INSTRUCTIONS DOCUMENT NO. 1008 REVISION 201 11/12/08 MK Diamond Products, Inc. 11 Storm Parkway Torrance, CA 001 Toll-Free: (800) 8-2 Phone: (10) -2221 Fax: (10) -18 www.mkdiamond.com...

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