MK Diamond Products MK-20 SERIES Owner'S Manual Download Page 51

51

MK-20 Series                                                                                          WARRANTY

CONTACT:

Please contact MK Diamond Products, Inc. Customer Service Department with any questions you 

might have regarding distributors, parts or service.

Telephone: 

(800) 421-5830

Fax: 

(310) 539-5158

E-mail: 

[email protected]

Customer Service Hours: 

Monday through Friday, 6AM-4PM PST

MK Diamond Products, Inc.

1315 Storm Parkway

Torrance, CA 90501

© COPYRIGHT 2012, 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.

MK Diamond may have patents, patent applications, trade marks, copyrights of other intellectual 

property right covering this product in this document.

This manual MUST accompany the equipment at all times. This manual is considered a permanent 

part of the equipment and should remain with the unit if resold.

The information and specifications included in this publication were in effect at the time of approval for 

printing. 

MK DIAMOND PRODUCTS, INC. will guarantee every machine they build, to be free from defects in 

material and workmanship for (1) one year from date of purchase. The obligation of MK DIAMOND 

PRODUCTS, INC. under this warranty is limited to the repair or replacement of any parts which, 

under normal use, prove to be defective in material or workmanship. The parts involved or the unit 

in question should be returned to MK DIAMOND PRODUCTS, INC. or to a point designated by us, 

transportation prepaid.

This warranty does not obligate us to bear the cost of labor or transportation charges in connection 

with replacement or repair of defective parts. Likewise, it shall NOT apply to any unit which has been 

subjected to misuse, neglect or accident. This warranty does NOT apply to any machine which has 

been repaired or altered outside our factory.

This warranty does NOT obligate MK DIAMOND PRODUCTS, INC., with respect to items not of our 

manufacture, such as engines, motors, hydraulics, etc., which are subject to their own guarantees and 

warranties.

We shall in no event be liable for consequential damages or contingent liabilities arising out of failure 

of any equipment or parts to operate properly.

MK DIAMOND PRODUCTS, INC. LIMITED WARRANTY

Summary of Contents for MK-20 SERIES

Page 1: ...NG INSTRUCTIONS PARTS LIST www mkdiamond com Caution Read all safety and operating instructions before using this equipment This owner s manual MUST accompany the equipment at all times Revision 304 M...

Page 2: ...ate and maintain your MK 20 Series safely and correctly Please take the time to familiarize yourself with the MK 20 Series by reading and reviewing this manual Read and follow all safety operating and...

Page 3: ...ation 19 22 Shutdown 23 Cleanup 23 MAINTENANCE Maintenance 24 30 EXPLODED VIEW PARTS LIST Figure 1 Assy Saw 2020HSP Part 156498 32 36 Figure 2 Assy Saw 2024HSP Part 158777 37 41 Figure 3 Frame Less En...

Page 4: ...if you do not follow directions CAUTION You CAN be INJURED if you do not follow directions It may also be used to alert against unsafe practices NOTICE You can cause PROPERTY DAMAGE to your machine if...

Page 5: ...and or equipment damage could result if the equip ment is operated speeds above design maximum LETHAL EXHAUST GASES Engine exhaust gasses contain poisonous carbon monoxide an odorless colorless gas th...

Page 6: ...y are NOT safety glasses ALWAYS USE RESPIRATORY PROTECTION Exhaust gases may be harmful if inhaled Do not operate gas powered equipment in enclosed spaces Respiratory protection should be worn when op...

Page 7: ...or other jewelry that may be caught in moving parts Nonslip footwear is recommended Wear protective hair covering to contain long hair SECURE WORK Clamps or a vise should be used to hold work whenever...

Page 8: ...dust masks that are specially designed to filter out microscopic particles Where use of a dust extraction device is possible it should be used To achieve a high level of dust collec tion use an indus...

Page 9: ...When refueling stop engine and allow to cool DO NOT over ll tank G CAUTION DO NOT touch hot surface H CAUTION Accidental start hazard Disconnect spark plug prior to servicing I SERVICE OR WARRANTY FOR...

Page 10: ...er GX390 EH41 EH41 V Twin Starter Pull Electric Pull Pull Fuel Capacity 1 6 Gallons 1 6 Gallons 1 6 Gallons 1 6 Gallons Blade Capacity 18 18 18 18 Blade RPM 3 400 3 400 3 400 3 400 Depth of Cut 6 5 8...

Page 11: ...ries Owner s Manual one 1 Engine Owners Manual one 1 Warranty Card WARNING Never start engine until all initial servicing and set up steps are completed accord ing to this operations manual and engine...

Page 12: ...peed Lever moves the saw forward by pushing the lever away from the operator and moves the saw in reverse by pulling the lever toward the operator Always place this control in central neutral position...

Page 13: ...sides of the handlebar B Align the handlebar with the holes on both sides of the frame at the desired height Handlebar Assembly The engine is shipped with no oil in the crankcase Refer to the engine...

Page 14: ...ines electric starter The Hydro Static Transmission is factory filled with fluid having a viscosity equivalent to SAE 20 W 20 Do not overfill the expansion tank Notice that the full level line is near...

Page 15: ...Blade Shaft Nut while holding the Shaft Wrench steady F Install the Blade Shaft Nut C Remove the Blade Nut and Outer Flange D Install the Diamond Blade onto the Blade Shaft and Drive Pin Ensure direc...

Page 16: ...ontaminated gasoline or an oil gasoline mixture NOTE A Remove the Fuel Cap B Ensure fuel level is 1 below the throat of the Fuel Tank 1 inch 25mm from throat Maximum Fuel Level Front Pointer Alignment...

Page 17: ...dam age and or loose hardware Check that the equipment covers and guards are in place and securely fastened B Inspect Engine for leaks Make sure surfaces are clean and unobstructed NEVER disconnect an...

Page 18: ...f the blade at throttle settings above those stipulated on the above chart DO NOT EXCEED THESE ENGINE RPM SETTINGS WARNING Since diamond blades cut best at specific rim speeds blades of different diam...

Page 19: ...if wet cut ting C Layout and mark the area to be cut using a chalk line Align Pointer and Blade to chalk line Prior to operation of this machine the operator must determine the existence and location...

Page 20: ...hile cutting may cause the front wheels to lift causing the blade to cut at uneven depths Do not attempt to steer the saw Sudden and severe corrections can cause the blade to be damaged or broken NOTE...

Page 21: ...may be possible to saw full depth in two passes 3 Gradually move the speed control lever forward to increase the cutting speed If the blade stalls in the cut which can happen when deep sawing immediat...

Page 22: ...the four Blade Guard Re taining Bolts E Locate the Blade Shaft Cover Retaining Bolts F Remove the Blade Shaft Cover Retaining Bolts and the Blade Shaft Cover G Install the Blade Guard on the opposite...

Page 23: ...d Place Fuel Valve in the OFF position cleanup Engine parts are extremely hot following use allow engine to cool 1 2 hour before cleaning Use care during cleanup to avoid injury Caution 1 To extend op...

Page 24: ...r Hydrostatic Transmission Reservoir Check Oil Mainframe Blade Shaft Bearings Lube Blade Shaft Bearings at end of Operations Pivot Bearings Chain Drive Adjust Tension Transmission Control Assemblies B...

Page 25: ...intenance Perform the following after initial purchase and operation of the saw A Change engine oil after first month or first 20 operating hours See Engine Manual B Check and adjust tension on all be...

Page 26: ...al for details D Clean Spark Plug Weekly and re adjust Spark Plug monthly Refer to Engine Manual for details E Clean and lubricate the Blade Shaft F Clean and lubricate the Blade Re taining Bolt Defin...

Page 27: ...0 hours A Replace Spark Plug Refer to En gine Manual for details B Have Authorized Repair Shop per form 500 hour maintenance C Have Authorized Repair Shop per form 1000 hour maintenance Yearly and Two...

Page 28: ...e A Remove the Fuel Cap Refer to Engine Manual for details For all Engine related maintenance and troubleshooting refer to the Engine Manual B Ensure fuel level is 1 below the throat of the Fuel Tank...

Page 29: ...s in the engine so as not to cross thread the plug Caution Caution DO NOT work around the engine while hot If the fuse blows determine the cause of the problem before resuming operations A fuse protec...

Page 30: ...n motor mount bolts Loosen the lock nut and adjust set bolt on the motor tension adjuster until the required belt tension is achieved Retighten the motor mounting bolts Battery Caution Caution Observe...

Page 31: ...31 NOTES...

Page 32: ...32 MK 20 Series EXPLODED VIEW FIGURE 1 PARTS LIST MK 2020HSP concrete saw P N 156498...

Page 33: ...1 2 SPLIT LOCK 153524 4 14 SCREW HEX 3 8 16 X 3 4 153527 1 15 SCREW 1 2 13 X 1 1 4 HEX HEAD CAP 153532 4 16 SCREW 1 4 20 X 1 2 TRUSS HEAD 153880 10 17 NUT HEX TW 1 4 20 153941 2 18 HOSE 1 4 FUEL 12 1...

Page 34: ...150842 2 3 WASHER FLAT SAE 3 8 150923 3 4 WASHER LOCK SPLIT 3 8 150925 1 5 SCREW HEX HD CAP 3 8 16 X 1 152507 8 6 PULLEY 1A30 X 1 2 BORE IDLER 153797 1 7 SPRING 9 16 X 2 5 EXTENSION 153807 1 8 BRACKET...

Page 35: ...152505 4 4 SCREW HEX HD CAP 1 4 20 X 1 152676 2 5 CABLE 4GA X 48 RED BATTERY 153848 1 6 CABLE 4GA X 24 BLACK BATTERY 153849 1 7 TACHOMETER HOURMETER 153877 1 8 SCREW 1 4 20 X 1 2 TRUSS HEAD 153880 10...

Page 36: ...SERIAL BLANK 157500 RW 1 19 DRIVE SCREW 7 X 5 16 ROUND HEAD 157849 2 20 STRAP NYLON 1 158094 1 21 CABEL CHOKE HONDA COMP 158816 1 22 BATTERY 12V 35AH 162589 1 23 COVER 1 BATTERY TERMINAL RED 163940 1...

Page 37: ...37 MK 20 Series EXPLODED VIEW FIGURE 2 PARTS LIST MK 2024HSP concrete saw P N 158777...

Page 38: ...153524 4 14 SCREW HEX 3 8 16 X 3 4 153527 1 15 SCREW 1 2 13 X 1 1 4 HEX HEAD CAP 153532 4 16 SCREW 1 4 20 X 1 2 TRUSS HEAD 153880 10 17 NUT HEX TW 1 4 20 153941 2 18 HOSE 1 4 FUEL 12 154163 1 19 HOSE...

Page 39: ...ID 150842 2 3 WASHER FLAT SAE 3 8 150923 3 4 WASHER LOCK SPLIT 3 8 150925 1 5 SCREW HEX HD CAP 3 8 16 X 1 152507 1 6 PULLEY 1A30 X 1 2 BORE IDLER 153797 1 7 SPRING 9 16 X 2 5 EXTENSION 153807 1 8 BRAC...

Page 40: ...152505 4 4 SCREW HEX HD CAP 1 4 20 X 1 152676 2 5 CABLE 4GA X 48 RED BATTERY 153848 1 6 CABLE 4GA X 24 BLACK BATTERY 153849 1 7 TACHOMETER HOURMETER 153877 1 8 SCREW 1 4 20 X 1 2 TRUSS HEAD 153880 10...

Page 41: ...SERIAL BLANK 157500 RW 1 19 DRIVE SCREW 7 X 5 16 ROUND HEAD 157849 2 20 STRAP NYLON 1 158094 1 21 CABEL CHOKE HONDA COMP 158816 1 22 BATTERY 12V 35AH 162589 1 23 COVER 1 BATTERY TERMINAL RED 163940 1...

Page 42: ...R 1 2 SAE FLAT 150924 4 3 WASHER 7 16 SPLIT LOCK 151051 5 4 SCREW 5 16 18 X 1 2 SOCKET HEAD SET 152607 2 5 WASHER FLAT SAE 3 4 153523 4 6 COLLAR SET 3 4 153814 2 7 AXLE REAR 3 4 153873 2 8 SCREW 7 16...

Page 43: ...3 8 151262 2 5 NUT HEX 1 4 20 151893 6 6 SCREW HEX HEAD 1 4 20 X 1 1 2 151914 1 7 NUT 3 8 16 NYLOK HEX 152505 6 8 SCREW HEX HD 3 8 16 X 2 153485 2 9 SCREW HEX 3 8 16 X 3 4 153527 4 10 SCREW 1 2 13 X...

Page 44: ...PANEL UPPER BACK TOWER 156504 1 19 ASSY PIN CLEVIS 3 8 X 1 1 4 156611 1 20 PLUG 1 2 FLUSH HEAD BUTTON 156779 1 21 FRAME WELDMENT 157092 1 22 ASSY TRANSMISSION 169711 1 MK 20 Series EXPLODED VIEW PART...

Page 45: ...1550449 1 18 STUD 3 4 10 X 10 155062 1 19 NUT 3 4 10 HEX 155063 2 20 ASSY THROTTLE CONTROL 155406 1 21 NUT 10 24 CLIP 155407 2 22 SCREW PAN HD CAP 14 20 X 1 2 155452 2 23 WASHER FLAT SAE 8 155454 2 24...

Page 46: ...1 NUT 1 14 RIGHT HAND 138693 1 2 NUT 1 14 LEFT HAND 138701 1 3 FLANGE INNER 150731 2 4 KEY 3 16 X 3 4 WOODRUFF 150794 2 5 KEY SQUARE 1 4 X 1 3 4 150796 1 6 PULLEY 2A34B38 X 1610 TB 150010 1 7 BUSHING...

Page 47: ...LOCK 153524 2 9 SCREW 1 2 13 X 1 1 4 HEX HEAD CAP 153532 4 10 BOLT HEX TAP 1 2 13 X 4 153854 1 11 MOUNT ENGINE 154237 1 12 BUSHING TPR LOCK 1210 X 1 1 8 154430 1 13 ELBOW 1 8 MNPT X 1 4 BARB 90DEG 154...

Page 48: ...EX HEAD CAP 153532 4 10 BOLT HEX TAP 1 2 13 X 4 153854 1 11 MOUNT ENGINE 154237 1 12 BUSHING TPR LOCK 1210 X 1 1 8 154430 1 13 ELBOW 1 8 MNPT X 1 4 BARB 90DEG 154652 1 14 PULLEY 3A30B34 X 1210TB REV 1...

Page 49: ...TY REQ 1 SCREW THUMB 1 4 20 X 3 4 150991 1 2 WHEEL POINTER 3 155066 1 3 BUSHING 3 8ID X 1 5 8L 155153 1 4 POINTER ARM CONC SAW 156544 1 5 ASSY POINTER WHEEL 165238 1 FIGURE 7 PARTS LIST ASSY POINTER P...

Page 50: ...us twelve 12 months Have the Model Number of the saw Have the Serial Number of the saw Have the location of where the saw was purchased Have the date when the saw was purchased Contact Customer Servic...

Page 51: ...the time of approval for printing MK DIAMOND PRODUCTS INC will guarantee every machine they build to be free from defects in material and workmanship for 1 one year from date of purchase The obligatio...

Page 52: ...mond Products Inc 1315 Storm Parkway Torrance CA 90501 Toll Free 800 421 5830 Phone 310 539 5221 Fax 310 539 5158 www mkdiamond com MK 20 Series Concrete Saw OWNER S MANUAL OPERATING INSTRUCTIONS PART...

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