MK -2013HSP GX390 Owner's Manual & Operating Instructions
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MK -2013HSP GX390 Owner's Manual & Operating Instructions

Mk-20 series gas powered concrete saw
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www.mkdiamond.com
Gas Powered

Concrete Saw

Revision 310
Manual Part# 156777
Caution: Read all safety and operating instructions
before using this equipment. This owner's manual
MUST accompany the equipment at all times.
02.2017
OWNER'S MANUAL,

OPERATING INSTRUCTIONS

ModElS: MK-2013HSP GX390 Part # 156499
MK-2020HSP GX630 Part # 156498
MK-2024HSP GX360 Part # 158777
MK-2013HE GX390 Part # 155714
MK-2014K CH440 Part # 168798
MK-2013VSP V-Twin Part # 169949
MK-2024HSP GX360
Part # 158777
MK-20 SERIES
& PARTS LIST

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  • Page 1: Operating Instructions

    OWNER’S MANUAL, Gas Powered OPERATING INSTRUCTIONS Concrete Saw & PARTS LIST ModElS: MK-2013HSP GX390 Part # 156499 MK-2020HSP GX630 Part # 156498 MK-2024HSP GX360 Part # 158777 MK-2013HE GX390 Part # 155714 MK-2014K CH440 Part # 168798 MK-2013VSP V-Twin Part # 169949 MK-2024HSP GX360 02.2017...
  • Page 2 INTRodUCTIoN Congratulations on your purchase of a MK-20 Series. 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-20 Series 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 and Hazard Symbols California Proposition 65 Message Prestart Safety Safety Label Locations 10-11 Product Specifications UNPACKING, TRANSPoRT and ASSEMBlY Unpacking Contents Transport Assembly 15-16 SET-UP, oPERATIoN and SHUTdoWN Set-Up 17-19 Operation...
  • Page 4 This Operation Manual has been developed to provide complete instructions for the safe and efficient operation of the MK-20 Series. For additional instruction concerning engine operations and care refer to the engine manufacturers instructions. Before using this saw, ensure that the person operating the equipment has read and understands all instructions in this manual.

  • Page 5: General Safety Precautions And Hazard Symbols

    MK-20 SERIES SAFETY GENERAl SAFETY PRECAUTIoNS ANd HAZARd SYMBolS SAFETY PRECAUTIoNS In order to prevent injury, the following safety precautions and symbols should be followed at all times! GENERAl SAFETY do NoT operate or service this equipment before reading this entire manual.
  • Page 6 MK-20 SERIES SAFETY ACCIdENTAl STARTS Before starting the engine, be sure the ON/OFF switch is in the “OFF” position to prevent accidental starting. Place the ON/OFF switch in the OFF position before performing any service operation. RoTATING oR MoVING PARTS Keep hands, feet, hair, and clothing away from all moving parts to prevent injury.
  • Page 7 MK-20 SERIES SAFETY 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 8: California Proposition 65 Message

    MK-20 SERIES 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 NoTES...
  • Page 10 SAFETY oPERATIoN & SAFETY dECAlS The MK-20 Series Concrete Saw is equipped with a number of safety decals. These decals are pro- vided for operator safety and maintenance information. Should any of these operation or safety de- cals become unreadable, replacements can be obtained by calling (800) 262-1575.
  • Page 11 MK-20 SERIES SAFETY locations of Safety decals for models: MK-2020SSP, MK-2024HSP, and MK-2020HSP location description Gas Tank - Top Warning - Silica Gas Tank - Top Read Manual Shaft Cover/Belt Guard/Blade Guard Guards in Place Blade Guard - Top Replace Blade Guard...

  • Page 12: Product Specifications

    MK-20 SERIES PRodUCT SPECIFICATIoN PRodUCT SPECIFICATIoNS The MK-20 Series is a versatile gas powered Concrete Saw. Operated and used according to this manual, the MK-20 Series will provide years of dependable service. General description The MK-20 Series is engineered as a portable concrete saw powered by a Honda, Kohler or Vanguard gas engine.

  • Page 13: Unpacking

    Remove the saw from the pallet and place it on a flat surface. Two people are required to lift saw. CoNTENTS In the containers, you will find one (1) MK-20 Series Saw, one (1) Blade Nut Wrench, one (1) Handle- bar, two (2) Handlebar Bolts and Washers, one (1) Pointer, one (1) MK-20 Series Owner’s Manual, one (1) Engine Owners Manual, one (1) Warranty Card.

  • Page 14: Transport

    MK-20 SERIES TRANSPoRT TRANSPoRT CAUTIoN 1. The MK-20 Series weighs approximately two hundred and thirty-five (235 pounds), use care when transporting. 2. Two people are required to lift and transport the MK-20 Series. dESCRIPTIoN oF CoNTRolS The Depth Control Wheel raises the blade when rotated clockwise, and lowers the blade when rotated counterclockwise.

  • Page 15: Assembly

    MK-20 SERIES ASSEMBlY Follow the assembly instructions to prepare your saw for operation. HANdlEBAR ASSEMBlY Locate the threaded holes on Align the handlebar with the Install one Washer onto each bolt. both sides of the handlebar. holes on both sides of the frame at Install bolt through the Handlebar the desired height.
  • Page 16 MK-20 SERIES ASSEMBlY HYdRo-STATIC TRANSMISSIoN The Hydro-Static Transmission is factory filled with fluid having a viscosity equivalent to SAE 20 W Do not overfill the expansion tank. Notice that the full level line is near the NoTICE bottom of the expansion tank. Over filling will result in rupturing the seals on the hydromatic transmission and subsequent mechanical damage.

  • Page 17: Diamond Blade Installation

    MK-20 SERIES ASSEMBlY dIAMoNd BlAdE INSTAllATIoN NoTE: 1. When installing the blade retaining-bolt, ensure the threads of the bolt are aligned with the threads of the drive shaft so as not to “cross-thread” the bolt. 2. When installing the blade ensure that the blade shaft and flanges are free from dirt and all foreign material before mounting blade on the blade shaft.

  • Page 18: Set-Up

    MK-20 SERIES SET-UP FIllING FUEl TANK WARNING 1. Gasoline is highly flammable and explosive. You can be burned or seriously injured when handling fuel. 2. To fuel, stop engine if running, and allow it to cool. 3. Fuel in a well-ventilated area.
  • Page 19 • Unauthorized equipment modifications will void all warranties. Manufacturer does not assume responsibility for any accident due to equipment modifications. • NEVER use accessories or attachments, which are not recommended by MK Diamond for this equipment. Damage to the equipment and/or injury to user may result.
  • Page 20 Since diamond blades cut best at specific rim-speeds, blades of different diameters must be turned at different blade shaft rpm’s. The MK-2013/14 will run either a 16” or 18” blade and the MK-2020/24/22 HSP will run a 16” through 20” blade.
  • Page 21 STANdARd oPERATIoN The MK-20 Series is intended for industrial applications and operated by experienced professionals. The operator must be aware of the machine’s capabilities and limitations. It is the operators respon- sibility to use this machine under safe working conditions and conform with federal, state and local codes or regulations pertaining to safety, air, pollution, noise etc...

  • Page 22: Operation

    MK-20 SERIES oPERATIoN Push Engine Throttle Handle up Place Transmission Speed Verify Neutral Engagement Handle half-way. Lever in Neutral. is down, in Neutral. Choke engine as required for cold starting. Start engine by rotating Ignition For Wet Cutting, open Cooling Move the throttle all the way for- Switch to the right.
  • Page 23 MK-20 SERIES oPERATIoN NoTE: Do not turn off engine while at full throttle. NoTICE If the engine has been running hard and is hot do not shut en- gine off abruptly. Cool engine by removing load and allowing en- Turn off engine by rotating Move the Throttle Lever to lower gine to run idle for 3 to 5 minutes.
  • Page 24 MK-20 SERIES oPERATIoN BlAdE GUARd REPoSITIoNING WARNING Do not operate saw with any guards removed. Turn master engine switch to off position to avoid accidental starts when removing guards. Remove Diamond Blade. Remove the Cooling Transfer Locate the four Blade Guard Re- Hose from the Blade Guard by taining Bolts.

  • Page 25: Shutdown

    MK-20 SERIES ClEANUP Install the Blade Shaft Cover. Remove the Pointer. Install the Pointer on the opposite side, next to Blade Guard. (See Front Pointer alignment Page EMERGENCY ENGINE SHUTdoWN Place Engine Master Switch in the Move the Throttle Lever to lower OFF position.

  • Page 26: Maintenance Maintenance

    MK-20 SERIES MAINTENANCE Clean the remainder of the exterior Verify the engine is off and cool be- Clean water system outlets, surface (except the engine). fore beginning to clean. Clean the including water tubes in blade saw with soap and water.
  • Page 27 MK-20 SERIES MAINTENANCE MAINTENANCE SAFETY • Always turn the master engine switch to the off position. • NEVER lubricate components or attempt service on a running machine. • Keep the machinery in proper running condition. • Fix damage to the machine immediately and always replace broken parts, or missing decals.
  • Page 28 MK-20 SERIES MAINTENANCE Lubricate the zerk fitting on each Lubricate the Cooling Verify the tightness of all bolts and wheel. Supply Valve. screws. Clean the saw (except the engine) with soap and water. Weekly (50 hours) and Monthly (200 hours) The following should be performed monthly.
  • Page 29 MK-20 SERIES MAINTENANCE 500 Hours and 1000 Hour Maintenance Perform the following maintenance every 500 hours. Replace Spark Plug. Refer to En- Have Authorized Repair Shop per- Have Authorized Repair Shop per- gine Manual for details. form 500-hour maintenance. form 1000-hour maintenance.
  • Page 30 Honda, Vanguard or Kohler engine manual provided separately. Remove the Diamond Blade. Lower the MK-20 Series to Free the Oil Drain Line. its lowest position. Place a catch basin below the Oil Drain Line.
  • Page 31 MK-20 SERIES MAINTENANCE Engine Air Filter Inspection, Cleaning and Replacement Clean the Air Filter. Refer to Engine Manual for details. Spark Plug Adjustments and Replacement For all Engine related maintenance and troubleshooting refer to the Engine Manual. CAUTIoN DO NOT work around the engine while hot.
  • Page 32 MK-20 SERIES MAINTENANCE Battery Check water level weekly. Add distilled water if necessary. Check terminal cables and remove any de- posits. Remove the battery for recharging and follow the instructions for recharging. Damage can result to the battery and electrical system if the battery is charged or installed in reverse polarity. Make sure that the negative terminal is connected to ground.
  • Page 33 NoTES...
  • Page 34 MK-20 SERIES EXPlodEd VIEW FIGURE 1 - PARTS lIST: MK-2020HSP CoNCRETE SAW - P/N 156498...
  • Page 35 MK-20 SERIES PARTS lIST FIGURE 1 - PARTS lIST: MK-2020HSP CoNCRETE SAW - P/N 156498 ITEM No. dESCRIPTIoN PART # QTY. NUT, HEX, 5/16 - 18 101196 BELT, BX34 150764 SCREW, 3/8 - 16 X 1 -1/4 HEX HEAD CAP...
  • Page 36 MK-20 SERIES EXPlodEd VIEW FIGURE 1 - PARTS lIST: MK-2020HSP CoNCRETE SAW - P/N 156498...
  • Page 37 MK-20 SERIES PARTS lIST FIGURE 1 - PARTS lIST: MK-2020HSP CoNCRETE SAW - P/N 156498 ITEM No. dESCRIPTIoN PART # QTY. WRENCH, BOX END, 1-1/2 X 9/16 137976 GRIP, HANDLE, 1.0 ID 150842 WASHER, FLAT, SAE, 3/8 150923 WASHER, LOCK, SPLIT, 3/8...
  • Page 38 MK-20 SERIES EXPlodEd VIEW FIGURE 1 - PARTS lIST: MK-2020HSP CoNCRETE SAW - P/N 156498...
  • Page 39 MK-20 SERIES PARTS lIST FIGURE 1 - PARTS lIST: MK-2020HSP CoNCRETE SAW - P/N 156498 ITEM No. dESCRIPTIoN PART # QTY. NUT, HEX, 1/4 -20 151893 WASHER, 1/4 SAE FLAT 151915 NUT, 3/8 -16 NYLOK HEX 152505 SCREW, HEX HD CAP, 1/4 - 20 X 1...
  • Page 40 MK-20 SERIES EXPlodEd VIEW FIGURE 2 - PARTS lIST: MK-2020HSP CoNCRETE SAW - P/N 158777...
  • Page 41 MK-20 SERIES PARTS lIST FIGURE 2 - PARTS lIST: MK-2024HSP CoNCRETE SAW - P/N 158777 ITEM No. dESCRIPTIoN PART # QTY. NUT, HEX, 5/16 - 18 101196 BELT, BX34 150764 SCREW, 3/8 - 16 X 1 -1/4 HEX HEAD CAP...
  • Page 42 MK-20 SERIES EXPlodEd VIEW FIGURE 2 - PARTS lIST: MK-2024HSP CoNCRETE SAW - P/N 158777...
  • Page 43 MK-20 SERIES PARTS lIST FIGURE 2 - PARTS lIST: MK-2024HSP CoNCRETE SAW - P/N 158777 ITEM No. dESCRIPTIoN PART # QTY. WRENCH, BOX END, 1-1/2 X 9/16 137976 GRIP, HANDLE, 1/0 ID 150842 WASHER, FLAT, SAE, 3/8 150923 WASHER, LOCK, SPLIT, 3/8...
  • Page 44 MK-20 SERIES EXPlodEd VIEW & PARTS lIST FIGURE 2 - PARTS lIST: MK-2024HSP CoNCRETE SAW - P/N 158777...

  • Page 45: Exploded View & Parts List

    MK-20 SERIES EXPlodEd VIEW & PARTS lIST FIGURE 2 - PARTS lIST: MK-2024HSP CoNCRETE SAW - P/N 158777 ITEM No. dESCRIPTIoN PART # QTY. NUT, HEX, 1/4 -20 151893 WASHER, 1/4 SAE FLAT 151915 NUT, 3/8 -16 NYLOK HEX 152505...
  • Page 46 MK-20 SERIES EXPlodEd VIEW & PARTS lIST FIGURE 3 - PARTS lIST: FRAME, lESS ENGINE - P/N 169719 ITEM No. dESCRIPTIoN PART # QTY. WHEEL, REAR CONCRETE SAW 138529 WASHER, 1/2 SAE FLAT 150924 WASHER, 7/16 SPLIT LOCK 151051 NUT, 1/2-13 HEX...
  • Page 47 MK-20 SERIES EXPlodEd VIEW & PARTS lIST FIGURE 3 - PARTS lIST: FRAME, lESS ENGINE - P/N 169719 ITEM No. dESCRIPTIoN PART # QTY. WASHER, FLAT, SAE, 3/8 150923 WASHER, 1/2 SAE FLAT 150924 WASHER, LOCK, SPLIT, 3/8 150925 SCREW, PAN HD SELF TP10-24 X 3/8...
  • Page 48 MK-20 SERIES EXPlodEd VIEW & PARTS lIST FIGURE 3 - PARTS lIST: FRAME, lESS ENGINE - P/N 169719 ITEM No. dESCRIPTIoN PART # QTY. PANEL, TOWER UPPER 156504 ASSY, PIN CLEVIS 3/8 X 1 - 1/4 156611 CABLE, TRANSMIS HONDA 2013HSP-C...
  • Page 49 MK-20 SERIES EXPlodEd VIEW & PARTS lIST FIGURE 3 - PARTS lIST: FRAME, lESS ENGINE - P/N 169719 ITEM No. dESCRIPTIoN PART # QTY. WASHER, FLAT, SAE, 3/8 150923 SCREW, HEX HD, 5/16 - 18 X 1 151743 WASHER, FLAT, SAE, 5/16...
  • Page 50 MK-20 SERIES EXPlodEd VIEW & PARTS lIST FIGURE 4 - PARTS lIST: BlAdE SHAFT - P/N 156654 ITEM No. dESCRIPTIoN PART # QTY. NUT, 1 - 14 RIGHT HAND 138693 NUT, 1 - 14 LEFT HAND 138701 FLANGE, INNER 150731...
  • Page 51 MK-20 SERIES EXPlodEd VIEW & PARTS lIST FIGURE 5 - PARTS lIST: ENGINE, HoNdA GX630 - P/N 169713 ITEM No. dESCRIPTIoN PART # QTY. KEY, SQUARE, 1/4 X 1 - 3/4 150796 WASHER, FLAT, SAE, 3/8 150923 WASHER, 1/2 SAE FLAT...
  • Page 52 MK-20 SERIES EXPlodEd VIEW & PARTS lIST FIGURE 6 - PARTS lIST: ENGINE, HoNdA GX690 - P/N 170048 ITEM No. dESCRIPTIoN PART # QTY. KEY, SQUARE, 1/4 X 1 - 3/4 150796 WASHER, FLAT, SAE, 3/8 150923 WASHER, 1/2 SAE FLAT...
  • Page 53 MK-20 SERIES EXPlodEd VIEW & PARTS lIST FIGURE 7 - PARTS lIST: ASSY, PoINTER - P/N 166465 ITEM No. dESCRIPTIoN PART # QTY. SCREW, THUMB 1/4 - 20 X 3/4 150991 WHEEL, POINTER, 3” 155066 BUSHING, 3/8ID X 1 - 5/8L...

  • Page 54: Accessories

    MK-20 SERIES ACCESSoRIES ACCESSoRIES ITEM NUMBER dECRIPTIoN MK-505 129072 18” x .125 x 1” Premium grade wet cutting blade for cured concrete MK-505 135301 20” x .140 x 1” Premium grade, wet cutting blade for cured concrete MK-615W 150232 18” x .125 x 1”...
  • Page 55 NoTES...

  • Page 56: Ordering Information

    MK-20 SERIES oRdERING & RETURN 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: Warranty

    © CoPYRIGHT 2015, 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-20 SERIES CoNCRETE SAW OWNER’S MANUAL, OPERATING INSTRUCTIONS, & PARTS LIST 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:

Mk-2020hsp gx630Mk-2024hsp gx360Mk-2014k ch440Mk-2013vsp v-twinMk-2013he gx390

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