MK Diamond Products 159943 Owner's Manual & Parts List
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MK Diamond Products 159943 Owner's Manual & Parts List

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MK-370EXP TILE SAW
www.mkdiamond.com
OWNER'S MANUAL
& PARTS LIST
Part# 159943
Revision 313
12.2021
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.

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  • Page 1 MK-370EXP TILE SAW www.mkdiamond.com OWNER'S MANUAL & PARTS LIST Part# 159943 Revision 313 12.2021 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.
  • Page 2 INTRODUCTION Congratulations on your purchase of a MK-370EXP Saw 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 Saw should provide you with years of service. In order to help you, we have included this manual.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS SAFETY Safety Messages Damage Prevention Message General Safety Precautions California Proposition 65 Message Canadian French Safety Translation 9-14 Electrical Requirements 15-18 Safety Label Locations Product Specifications UNPACKING, TRANSPORT and ASSEMBLY Unpacking Contents Transport STARTUP, ADJUSTMENT, OPERATION and SHUTDOWN Cutting Head Installation Diamond Blade Installation 24-25...

  • Page 4: Safety Messages

    MK-370EXP SAW 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.
  • Page 5 MK-370EXP SAW SAFETY PERSONAL PROTECTIVE EQUIPMENT ALWAYS wear approved respiratory, head, ear and eye protection when operating this machine. ACCIDENTAL STARTS! 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.
  • Page 6 MK-370EXP SAW SAFETY 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 cov- ering to contain long hair. SECURE WORK Clamps or a vise should be used to hold work whenever practical.
  • Page 7 MK-370EXP SAW SAFETY 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.

  • Page 8: California Proposition 65 Message

    MK-370EXP SAW SAFETY 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.

  • Page 9: Canadian French Safety Translation

    MK-370EXP SAW DE SÉCURITÉ Lisez et suivez toutes les consignes de sécurité, d'utilisation et d'entretien. Ne pas lire et suivre ces consignes pourrait entraîner des blessures, voire la mort, pour vous ou d'autres personnes. Ne pas lire et suivre ces consignes pourrait aussi endommager et/ou raccourcir la durée de vie de l'équipement. Les avertissements et les directives de sécurité...
  • Page 10 MK-370EXP SAW DE SÉCURITÉ ÉQUIPEMENT DE PROTECTION INDIVIDUELLE Portez TOUJOURS l'équipement de protection respiratoire, auriculaire et oculaire homologué lors de l'utilisation de cet outil. DÉMARRAGES ACCIDENTELS! Avant de démarrer le moteur, vérifiez que le commutateur MARCHE-ARRÊT est en position ARRÊT (OFF) pour empêcher tout démarrage accidentel. Placez le commutateur MARCHE- ARRÊT en position ARRÊT (OFF) avant toute intervention d'entretien.
  • Page 11 MK-370EXP SAW DE SÉCURITÉ UTILISER DES VÊTEMENTS APPROPRIÉS NE PAS porter de vêtements amples, gants, cravates, bagues, bracelets ou autres bijoux susceptibles de se prendre dans les pièces mobiles. Le port de chaussures antidérapantes est recommandé. Les cheveux longs doivent être ramassés sous un couvre-chef. FIXER LES PIÈCES DE TRAVAIL Dans la mesure du possible, utiliser des serre-joints ou un étau pour maintenir la pièce de travail.
  • Page 12 MK-370EXP SAW DE SÉCURITÉ VÉRIFICATION DES PIÈCES ENDOMMAGÉES Avant d'utiliser un outil électrique, vérifier s'il y a des pièces endommagées. Examiner soigneusement les pièces et dispositifs de protection qui semblent endommagés afin de déterminer s'ils fonctionnent correctement et remplissent les fonctions prévues. Vérifier toujours l'alignement et le réglage corrects des pièces mobiles.
  • Page 13 MK-370EXP SAW DE SÉCURITÉ AVERTISSEMENT SUR LA POUSSIÈRE DE SILICE La rectification/la coupe/le perçage de la maçonnerie, du béton, du métal et d'autres matériaux contenant de la silice dans leur composition peut dégager de la poussière ou des nuages contenant de la silice cristalline.
  • Page 14 MK-370EXP SAW DE SÉCURITÉ SÉCURITÉ DU MOTEUR ÉLECTRIQUE Pour les soins et les interventions d'entretien du moteur électrique, reportez-vous au livret d'instructions de votre moteur électrique fourni avec le moteur électrique. Protéger le moteur électrique contre la poussière autant que possible et garder les ouvertures de ventilation propres. Avant de brancher l'outil, s'assurer que la tension de sortie est dans la plage indiquée sur la plaque signalétique de l'outil.
  • Page 15 MK-370EXP SAW SAFETY ELECTRIC MOTOR SAFETY 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.

  • Page 16: Electrical Requirements

    MK-370EXP SAW SAFETY ELECTRICAL REQUIREMENTS AND GROUNDING INSTRUCTIONS In order to prevent 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 electrical current to reduce the risk of electric shock.
  • Page 17 MK-370EXP SAW SAFETY WARNING To avoid the possibility of the appliance or plug receptacle getting wet, position the machine to one side of a wall mounted receptacle. This will prevent water from dripping into the receptacle or plug. A "drip loop," shown in the picture below, should be arranged by the user to properly position the power cord relative to the power source.
  • Page 18 MK-370EXP SAW SAFETY WARNING Use of undersized 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 customer’s expense.
  • Page 19 NOTES...

  • Page 20: Safety Label Locations

    MK-370EXP SAW 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. WARNING WARNING •...

  • Page 21: Product Specifications

    MK-370EXP SAW PRODUCT SPECIFICATIONS PRODUCT SPECIFICATIONS The MK-370EXP Saw is a versatile Tile Saw. Operated and used according to this manual, the MK-370EXP Saw will provide years of dependable service. GENERAL DESCRIPTION The MK-370EXP Saw Tile Saw is engineered as a tabletop or stand mounted wet tile saw. The saw includes a powerful 120v electric motor.

  • Page 22: Unpacking

    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 Owner's Pump Warranty Wrench...

  • Page 23: Cutting Head Installation

    MK-370EXP SAW INSTALLATION Follow the assembly instructions to prepare your MK-370EXP Saw for operation. CUTTING HEAD INSTALLATION Place the Flat Washer onto the Align Cutting Head Pivot Hole Verify the Cutting Head is Height Adjusting Knob to the Post, Pivot Shaft completely installed and seated on the Post Install the Height Adjusting Knob...
  • Page 24 MK-370EXP SAW ASSEMBLY 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 Install the Retaining Nut Close the Blade Guard Verify the Blade is seated...

  • Page 25: Adjustable Cutting Guide Installation

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

  • Page 26: Pre-Start Inspection

    MK-370EXP SAW 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 for is in the OFF position Table moves freely damage – verify the blade is correct for the type of material being cut Inspect the Pump Assembly...
  • Page 27 MK-370EXP SAW 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 Transfer Place the Water Pump toward Position pump as shown and...

  • Page 28: Setup For Operation

    MK-370EXP SAW 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 29: Operation

    MK-370EXP SAW 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. Loosen the Adjustable Position the Adjustable Tighten the retaining Cutting Guide retaining Cutting Guide to desired cut thumbscrew thumbscrew...
  • Page 30 MK-370EXP SAW OPERATION CUTTING 45° MITERS The MK-370EXP Saw 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. Loosen the Cutting Head Pivot the Cutting Head to Tighten the Cutting Head,...
  • Page 31 MK-370EXP SAW OPERATION CUTTING 45° MITERS Perform the cut Turn the motor OFF when Return the Cutting Head to the work is complete upright position when complete...
  • Page 32 MK-370EXP SAW 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 33 MK-370EXP SAW 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. Remove the Adjustable Set the desired angle on Place the Protractor on the Ruler/...

  • Page 34: Cleanup

    MK-370EXP SAW CLEANUP CLEANUP Dispose of wastewater in accordance with applicable Federal, State and Local laws. NOTE: Remove the pump Suction Fill the Water Pan with Run the MK-370EXP Saw Screen and clean the Water until clear water is seen at clean water Pump of all debris.
  • Page 35 MK-370EXP SAW CLEANUP CAUTION Ensure water is not forced into the motor casing when cleaning. Clean the Roller Wheel Clean the remainder of the Guide Rail MK-370EXP Saw MAINTENANCE FOLLOWING USE To extend the life of the MK-370EXP Saw, the following procedure should be performed after each use.

  • Page 36: Maintenance

    MK-370EXP SAW MAINTENANCE MONTHLY MAINTENANCE The following maintenance should be performed Monthly. Remove the Diamond Remove the Inner Flange Clean and Lubricate the Blade, Outer Flange and Inner and Outer Flanges Retaining Nut and the Retaining Nut Clean around Motor Shaft Remove the Blade Guard Lubricate the front Cutting then clean and lubricate the...
  • Page 37 MK-370EXP SAW MAINTENANCE Lubricate the Cutting Head Lubricate the Cutting Head Lubricate the Cutting Head Pivot Holes Adjustment Knob Pivot Shaft Verify the Cutting Table Roller Verify that the Roller Wheel Wheel Assembly is tight is tight FLOW ADJUSTMENT NOTE: If flow to the diamond blade requires adjustment, perform the following actions.
  • Page 38 MK-370EXP SAW MAINTENANCE 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 39 MK-370EXP SAW MAINTENANCE DIAMOND BLADE CHANGE-OUT NOTE: When installing the Retaining Nut, do not “cross-thread" and DO NOT over tighten the screw. Open the Outer Blade Remove Retaining Nut and Remove Diamond Blade Outer Flange from Blade Shaft Install the Diamond Blade Install the Retaining Nut Verify the Blade is seated on onto Blade Shaft...

  • Page 40: Troubleshooting

    MK-370EXP SAW TROUBLESHOOTING ALIGNMENT The Movable Cutting Table of the MK-370EXP Saw 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 41 MK-370EXP SAW 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. The Diamond Blade must be removed and reinstalled when removing the Blade Guard.
  • Page 42 MK-370EXP SAW 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 43 MK-370EXP SAW TROUBLESHOOTING HORIZONTAL FINAL ALIGNMENT Pull Movable Cutting Table Position Square flat on Movable Position front of Square to front of Tile Saw Cutting Table against Ruler/Stop against Blade Move Guide Bar and table Move Guide Bar and table Position end of Square until Square rests evenly until Square rests evenly...
  • Page 44 MK-370EXP SAW 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 45 MK-370EXP SAW 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 is...
  • Page 46 MK-370EXP SAW 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 ((E) Remove the Cooling Remove the Pump Remove the Pump Intake Transfer Tube and check Discharge Fitting and check Screen and check for debris...
  • Page 47 MK-370EXP SAW TROUBLESHOOTING BLADE STOPS TURNING Check to see if the wall outlet Check power source voltage Verify all plugs are fully Ground Fault Circuit Interrupter is 120v – if not 120v, move to installed (GFCI) is tripped. Verify circuit another circuit breaker not tripped.
  • Page 48 MK-370EXP SAW EXPLODED VIEW TILE SAW ASSEMBLY PART# 159943...
  • Page 49 MK-370EXP SAW PARTS LIST TILE SAW ASSEMBLY PART# 159943 ITEM. DESCRIPTION QTY. PART # WASHER, FLAT CUT 3/8 101360 HOSE, WATER VINYL 1/2 X 3/8 TSAW (6.0') 132951 CASTING, ACC RIP GUIDE - COMP 134551 WRENCH, TILESAW, 15/16 - 18 X 1...
  • Page 50 MK-370EXP SAW EXPLODED VIEW CUTTING HEAD ASSEMBLY PART# 160042...
  • Page 51 MK-370EXP SAW PARTS LIST CUTTING HEAD ASSEMBLY PART# 160042 ITEM. DESCRIPTION QTY. PART # FLANGE, OUTER, 2-3/8 135830 NUT,HEX, 5/8 - 18 135848 KNOB, DAVIES, 5/16 - 18 X 1 151681 NUT, WING, NYLK, 5/16 - 18 151746 WASHER, LOCK, SPLIT, 5/16 151747 BOLT, HEX HD TAP, 5/16 - 18 X 2 - 1/2 151748...
  • Page 52 MK-370EXP SAW PARTS LIST TABLE ASSEMBLY PART# 168025 2X 152227 BEARING, MULTILUBE INCLUDED IN ITEM #4 Item Description Part # SCREW, 5/16-18 X 3/4 HEX HEAD MACHINE 151369 WASHER, LOCK, SPLIT, 5/16 151747 WASHER, FLAT, SAE, 5/16 151754 CASTING, TABLE, 370/770EXP-COMP 159939 BAR, GUIDE 3/4 DIA 159942...
  • Page 53 MK-370EXP SAW PARTS LIST FRAME ASSEMBLY PART# 167450 ITEM. DESCRIPTION QTY. PART # SCREW, 1/4 -20 X /34 FLAT HEAD PHILLIPS MACHINE 154657 CASTING, POST MOUNT, COMP 167448 WELDMENT, FRAME 167449...

  • Page 54: Accessories

    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 134577-MK Dual 45° Flat Angle Guide 134569-MK 90° Protractor 152792 Dressing Stone 152610 Ground Fault Circuit Interrupter 160131-MK Stand...
  • Page 55 NOTES...

  • Page 56: 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. When ordering direct from MK Diamond, please have the following information ready before calling: •...

  • Page 57: Contact & Warranty

    © COPYRIGHT 2019, MK DIAMOND PRODUCTS, INC. ALL RIGHTS RESERVED. The MK Diamond logo is a registered trademark of MK Diamond Products, Inc. and may not be used, reproduced, or altered without written permission. All other trademarks are the property of their re- spective owners and used with permission.
  • Page 58 NOTES...
  • Page 59 NOTES...
  • Page 60 MK-370EXP TILE SAW OWNER'S MANUAL, PARTS LIST & OPERATING INSTRUCTIONS MK Diamond Products, Inc. 1315 Storm Parkway Torrance, CA 90501 Toll-Free: (800) 421-5830 Phone: (310) 539-5221 Fax: (310) 539-5158 www.mkdiamond.com...

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