MK Diamond Products 157721X Owner's Manual And Parts List
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MK Diamond Products 157721X Owner's Manual And Parts List

Masonry saw
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Revision 108
Manual Part No. 158168
Caution: Read all safety and operating instructions
before using this equipment. This owners manual MUST
accompany the equipment at all times.
12.2019
BX-3 MASONRY SAW
OWNER'S MANUAL
& PARTS LIST
MODELS
BX-3 (Dry)
BX-3 (Wet)
PART #
157721X
157721WX

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  • Page 1 BX-3 MASONRY SAW www.mkdiamond.com OWNER'S MANUAL & PARTS LIST MODELS PART # BX-3 (Dry) 157721X BX-3 (Wet) 157721WX Revision 108 12.2019 Manual Part No. 158168 Caution: Read all safety and operating instructions before using this equipment. This owners manual MUST...
  • Page 2 INTRODUCTION Congratulations on your purchase of a BX-3 Masonry Saw. We are certain that you will be pleased with your purchase. We take pride in producing the finest construction power tools and diamond blades in the industry. Operated correctly, your 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 Message/Alert Symbols Damage Prevention Message General Safety Precautions California Proposition 65 Message Electrical Requirements and Grounding Instructions 9-12 Safety Decal Locations Product Specifications UNPACKING AND ASSEMBLY Contents Transport Assembly 16-17 SETUP, ADJUSTMENT AND OPERATION Setup 18-19 Adjustment and Operation 19-21...

  • Page 4: Safety

    BX-3 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: Damage Prevention Message

    BX-3 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 BX-3 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. Keeping your hands free to operate a power tool is safer.
  • Page 7 BX-3 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

    BX-3 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: Electrical Requirements And Grounding Instructions

    BX-3 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 10 BX-3 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. Before plugging in the machine, make sure that the outlet voltage is within the voltage marked on the machines's data plate.
  • Page 11 BX-3 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 12 BX-3 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 13: Safety Decal Locations

    BX-3 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 Scan for manuals FOR INFORMATION ON...

  • Page 14: Product Specifications

    BX-3 PRODUCT SPECIFICATIONS PRODUCT SPECIFICATIONS The BX-3 is a versatile lightweight masonry saw. Operated and used according to this manual, the BX-3 will provide years of dependable service. General Description The BX-3, Brick Xtreme, is engineered as a 14" saw, consisting of a powerful 120V motor in a hard plastic case.

  • Page 15: Contents

    BX-3 MASONRY SAW www.mkdiamond.com OWNER'S MANUAL, PARTS LIST & OPERATING INSTRUCTIONS MODELS PART # BX-3 (Dry) 157721X BX-3 (Wet) 157721WX Revision 106 07.2018 Manual Part No. 158168 Caution: Read all safety and operating instructions before using this equipment. This owners manual MUST accompany the equipment at all times.

  • Page 16: Transport

    BX-3 CONTENTS TRANSPORT The BX-3 weighs approximately fifty (50) pound, making transport easy. CAUTION Always observe safe lifting practices when lifting the BX-3. NOTE: Lock the Cutting Head in the DOWN position, and remove the Movable Cutting Table when transporting the BX-3. Due to its lightweight construction, the BX-3 is designed to be carried by the durable aluminum frame.
  • Page 17 BX-3 ASSEMBLY ADJUSTABLE CUTTING GUIDE INSTALLATION Loosen Thumbscrew. Position Seat and tighten adjustable adjustable Cutting Guide on Cutting Guide. Ruler/Stop. DIAMOND BLADE INSTALLATION Place wrenches on retaining Remove retaining screw Install and seat blade- screw and Inner Flange. and Outer Flange. Verify Rotation.

  • Page 18: Setup

    BX-3 SETUP SETUP CAUTION • Before powering or starting, check for damage that could prevent this equipment from proper operation or performing its intended function. Check for binding and alignment of moving parts. Check for damaged, broken, or missing parts. •...

  • Page 19: Adjustment And Operation

    BX-3 OPERATION Inspect for damage. Inspect Motor Air Filter Verify Trigger Switch is work- for cleanliness. ing. Push white button to lock. Push trigger switch to unlock. CAUTION If an extension cord is used, first verify it meets the requirements on page 12.
  • Page 20 BX-3 ADJUSTMENT STEP CUTS A Step Cut is performed when a series of small cuts of increasing depth are used to complete a single cut. Step Cuts are used for large objects or for hard objects such as Firebrick and Pavers. NOTE 1.
  • Page 21 BX-3 ADJUSTMENT CUTTING WITH THE CUTTING HEAD LOCKED DOWN This method is preferred when cutting small objects. Lock Cutting Head in the Position work below Slowly push piece toward down position. Cutting Head. blade to cut. Turn OFF saw. ANGLE CUTS Angle Cuts may be performed using the Step Cut, Chop Cut or the Locked Cutting Head cutting methods.

  • Page 22: Cleanup

    BX-3 MAINTENANCE CLEANUP WARNING Always wear eye protection when using compressed air. Unplug GFCI from BX-3 and Remove Motor Filter Cap Clean Filter by tapping power source. from Filter Cap. on hard surface or using compressed air. Reinstall Filter into Filter Clean the Movable Cutting Clean remainder of BX-3 Cap and onto motor.
  • Page 23 BX-3 MAINTENANCE GENERAL MAINTENANCE The following maintenance should be performed following each use. Use light oil, 3-IN-ONE oil, or other multipurpose spray lubricant. Lubricate Movable Cutting Lubricate Cutting Head Table Roller Wheels and torsion spring. Guide Rails. MONTHLY MAINTENANCE The following should be performed monthly. Items should be lubricated as directed. Clean and lubricate blade Check Roller Wheels and Clean and lubricate Inner...
  • Page 24 BX-3 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 will become smooth or "glazed" over. This will reduce grinding efficiency and may cause the blade to "wander" or bend, giving the illusion of an alignment problem. When this occurs, the blade will need to be dressed.
  • Page 25 BX-3 MAINTENANCE Install Outer Flange and retaining screw - tighten. MOVABLE CUTTING TABLE WHEEL CHANGE OUT NOTE: All four (4) Movable Cutting Table, Roller Wheels should be replaced at the same time (MK Diamond P/N 133090). Remove Roller Wheels and Install wheel/washer assembly into Place Movable Cutting clean holes.
  • Page 26 BX-3 MAINTENANCE PROTECTIVE WOODEN STRIP REPLACEMENT The protective wooden strip is to protect the Movable Cutting Table from damage during operation. Over time, the wooden strip will become grooved from use. A grooved wooden strip will not sup- port masonry during cutting, causing the blade to "break through" the piece instead of performing a smooth cut (MK Diamond P/N 156427).
  • Page 27 BX-3 MAINTENANCE MOTOR BRUSH CHANGE-OUT Disconnect the tool before servicing and when changing accessories, such as blades, bits, cutters, and the like. WARNING Remove Motor Brush and Align and install new Remove one Motor Brush clean brush housing. Motor Brush. Cap.

  • Page 28: Troubleshooting

    BX-3 TROUBLESHOOTING TROUBLESHOOTING Verify the Lockable Switch is unlocked and the saw is disconnected from the WARNING power source before performing any troubleshooting procedure. MOTOR STOPS TURNING Verify all plugs fully Check Ground Fault Circuit Verify Circuit Breaker connected. If connect- Interrupter (GFCI) tripped.
  • Page 29 BX-3 MAINTENANCE Verify blade is correct for material being cut. MOVABLE CUTTING TABLE DOES NOT MOVE CORRECTLY Check Guide Rails clean. Check for Roller Wheel damage. Verify ease and freedom of movement. WATER IS NOT SPRAYING Loosen tube fitting. Remove screw fitting. Clean nozzle.
  • Page 30 BX-3 EXPLODED VIEW BX-3 SAW - P/N 157721X...
  • Page 31 BX-3 PARTS LIST BX-3 SAW - P/N 157721X Item Description Part # RIP GUIDE, BRICK/BLOCK SAW 132332-MK ASSY, CONVYR CART 133082 WRENCH, TILESAW, 11/16 OPEN END 153450 TAG, SERIAL NUMBER, BLANK 157500-rw LABEL, BRICK XTREME 157958 LABEL, BX3 157959 CONTRACTOR GRADE 14X125X1 10MM...
  • Page 32 BX-3 EXPLODED VIEW BX-3 SAW - P/N 157721WX...
  • Page 33 BX-3 PARTS LIST BX-3 SAW - P/N 157721WX Item Description Part # RIP GUIDE, BRICK/BLOCK SAW 132332-MK ASSY, CONVYR CART 133082 WASHER, FLAT, SAE, 1/4 151915 WASHER, LOCK, SPLIT, 1/4 152591 CLAMP, CUSHION LOOP 3/8 152592 SCREW, 1/4-20 X 1/2 HEX HEAD 152608 SCREW, HEX HD, TAP, 1/4-20X1 152676...
  • Page 34 BX-3 EXPLODED VIEW ASSY, CONVYR CART BX-3 - P/N 133082...
  • Page 35 BX-3 PARTS LIST ASSY, CONVYR CART BX-3 - P/N 133082 Item Description Part # WHEEL, CONVEYOR CART 133090 BACKSTOP, CONVEYOR CART 134387 SCREW, HEX HD, 1/4-20 X3/4 152370 NUT, HEX, TW, 1/4-20 153941 NUT, HEX TW, 5/15-18 153942 TABLE, D.C. COMP 158144 WOOD STRIP, TABLE INSERT 158283...
  • Page 36 BX-3 EXPLODED VIEW ASSY, FRAME BX-3 - P/N 171265...
  • Page 37 BX-3 PARTS LIST ASSY, FRAME BX-3 - P/N 171265 Item Description Part # WASHER, FLAT, SAE, 1/4 151915 SCREW, HEX HD, 1/4-20X3/4 152370 SCREW, 1/4-20 X 3/4 SOCKET HEAD CAP 152587 WASHER, LOCK, SPLIT, 1/4 152591 SCREW, SOC HD CAP, 1/4-20 X 1 154683 DC FRAME, RIGHT (COMP) 157367...
  • Page 38 BX-3 EXPLODED VIEW BX-3 - ASSY, CUTTING HEAD P/N 171266 SUBSTITUTION TABLE 157599 157801-C DESCRIPTION 171266-W ASSY, CUT HEAD, BX3-WET 157599-W SAME...
  • Page 39 BX-3 PARTS LIST BX-3 - ASSY, CUTTING HEAD P/N 171266 Item Description Part # SCREW, SOC HD CAP, 1/4-20 X 1 151049 WASHER, FLAT, SAE, 1/4 151915 SCREW, M10X1/5 HEX HD CAP 152272 WASHER, LOCK, SPLIT, 1/4 152591 ARM, MOTOR MOUNT (COMP) 157599 MTR, 115V, 15A, AC 157801-C...

  • Page 40: Accessories

    BX-3 ACCESSORIES ACCESSORIES ITEM DESCRIPTION 132332-MK Adjustable Cutting Guide* 133090 Roller Wheel* 156427 Protective Wooden Strip* 157729 Motor Air Filter* 152610 Ground Fault Circuit Interrupter 157981 BX-3 Stand 168244 BX-3 Wet Stand *Included at time of shipping...
  • Page 41 NOTES...

  • Page 42: Ordering Information

    ORDERING AND RETURN INFORMATION 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 43: Contact Information And Limited 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 44 BX-3 OWNER'S MANUAL & OPERATING INSTRUCTION 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...

This manual is also suitable for:

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