MK Diamond Products MK SG-2 Owners And Operation Manual

Honda brush cutter owner's manual

Hide thumbs

Table Of Contents

Table of Contents

Quick Links

Download this manual

MK SG-2

SCARIFIER

OWNER'S MANUAL &

OPERATING INSTRUCTIONS

CAUTION:

Read all safety and

operating instructions

before using this

equipment

Enter the Serial Number of your new saw in the

space below. The Serial Number is located on the

Engine Mount Frame.

SERIAL NUMBER:

NOTE:

For your (1) one year warranty to be effective,

complete the warranty card (including the Serial

Number) and mail it in as soon as possible.

Table of Contents

Summary of Contents for MK Diamond Products MK SG-2

Page 1: Serial Number
MK SG-2 SCARIFIER OWNER’S MANUAL & OPERATING INSTRUCTIONS CAUTION: Read all safety and operating instructions before using this equipment Enter the Serial Number of your new saw in the space below. The Serial Number is located on the Engine Mount Frame.
Page 2: Table Of Contents
INTRODUCTION and TABLE OF CONTENTS INTRODUCTION: We at MK Diamond want to congratulate you on selecting the MK SG-2 Scarifier. We are certain that you will be pleased with your purchase. MK Diamond takes pride in producing the finest products in the industry.
Page 3: Safety
Never tamper with the governor components or settings to increase the maximum speed of the machine. Severe personal injury and/or equipment damage could result if the equipment is operated speeds above design maximum. MK SG-2 Revision 11/01, Effective Date November 13, 2001 Page 3...
Page 4 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 practical. Keeping your hands free to operate a power tool is safer. MK SG-2 Revision 11/01, Effective Date November 13, 2001 Page 4...
Page 5: California Proposition 65 Message
For further information, consult the following sources: http://www.osha-slc.gov/sltc/silicarystalline/index.html http://www.oehha.org/prop65/out_of_date/6022kLstA.html MK SG-2 Revision 11/01, Effective Date November 13, 2001 Page 5...
Page 6: Safety Label Locations
Engine – Tank, Top Engine – Tank, Top Engine – Tank, Top Engine – Tank, Top Air Filter Cover MK SG-2 Description Caution – Specific Operating Requirements Caution – Keep Hands and Feet Clear Caution – Do Not Operate with Guards Removed Caution –...
Page 7: Brick Saw Specific Warnings
ÿ Read Owners Manual ÿ Wear Protective Gear for – PRODUCT SPECIFICATIONS: The MK SG-2 is a versatile Scarifier. Operated and used according to this manual, the MK SG-2 will provide years of dependable service. General Description: The MK-SG-2, is engineered with an 8" Cutting Drum and reliable 8 horsepower Honda engine. The SG-2 scarifier is designed with fine depth control allowing the operator to make depth adjustments in 1/16-inch increments.
Page 8: Unpacking
Your MK SG-2 has been shipped from the factory thoroughly inspected. Only minimal assembly is required. If not already done, remove the MK SG-2 from the pallet and place it on a flat surface (lift the scarifier using the lifting points shown below.
Page 9: Assembly
UNPACKING, TRANSPORT and ASSEMBLY ASSEMBLY: Follow the assembly instructions to prepare your MK SG-2 for operation. 1. Handlebar Adjustment: Adjust the Handlebar for for ease of operation and comfort of the user. Retaining Bolts Locate the Handlebar retaining bolts Holes...
Page 10: Manual Part No. 158537 Revision
Pivot 126 781sc cm 6.48 6.72006 598.8 778.8 re W n 4 w 1 J 8 M /Cs1 CS 0 0 0 SC q 0.24 0 0 -.48 785i2etaining Bolt a NOTE: Use care when removing the Shaft, Retaining Nuts to prevent the Retaining Nuts from falling inside the Belt Guard. MK SG-2 Locate the Shaft Cover, Retaining Bolts...
Page 11 Screws Retaining Ring Rotate the Cutting Drum onto either end and locate the Retaining Ring, Retaining Screws MK SG-2 Direction of Push Push the Cutting Drum away from the belt side of the SG-2 to loosen the Shaft Turn counter-...
Page 12 NOTE: When rotating the Cutting Drum on end, ensure the open end of the drum is up. Open Rotate Upright Place the Cutting Drum on the closed end, with the open end facing upward MK SG-2 Place in a secure location Place the Retaining Ring and Flat Washer Spacers in a secure location Cutting...
Page 13 Shaft-side Bearing and install the Cutting Drum, Shaft Rotate counter- clockwise to tighten Using a 15/16-inch socket tighten the Shaft, Inner Retaining Nut MK SG-2 Retaining Screw Install the 3 Retaining Screws into the Cutting Drum (do not cross-thread the screws)
Page 14 Engine Oil Capacity is 1.16 US qt (1.1l). Rotate Upright Rotate the SG-2 upright MK SG-2 Retaining Nut, Cover Install the Shaft, Retaining Nut Cover onto the Belt Guard...
Page 15 Fuel Cap Remove the Fuel Cap Turn clockwise to tighten Fuel Cap Install the Fuel Cap MK SG-2 Turn clockwise to tighten Dipstick Install Dipstick Fill Throat Fill Fuel Tank Revision 11/01, Effective Date November 13, 2001...
Page 16 Obtain a vacuum of the type specified above Verify Connections Verify the hose connections are secure at the SG-2 and the Vacuum MK SG-2 Vacuum Connection Point Remove the Cap from the Vacuum Connection Point Revision 11/01, Effective Date November 13, 2001 2 1/2-inch...
Page 17: Setup
Verify the SG-2 rolls freely Air Filter Check Air Filter for cleanliness (See Maintenance section if dirty) Revision 11/01, Effective Date November 13, 2001 Inspect the MK SG-2 for general damage and/or loose hardware Proper Oil Level Low Level Check for proper oil level...
Page 18 Place Choke Lever in the CLOSED position Starter Cord Direction of Movement Pull Starter Cord slowly, until slack is removed and resistance is felt MK SG-2 Rotate clockwise to raise Highest Position Raise the Cutting Drum to the highest position...
Page 19: Adjustment And Operation
(See Step 2, Page 21 for) NOTE: When turning the SG-2, lift the Rear Wheels off the ground, and pivot the SG-2 on the Front Wheels. Throttle Adjust the speed of the SG-2 using the Throttle, as desired MK SG-2 Rotate clockwise to raise Highest...
Page 20 E) Repeat Steps A through D until the desired number of grooves are cut (See Figure 2) Set 1/8 – inch Maintain set below the surface cutting depth Direction of movement Figure 2 MK SG-2 Revision 11/01, Effective Date November 13, 2001 Page 20...
Page 21 The following Cutting Drum configurations allow the user to set up the SG-2 Cutting Drum for the most commonly used configurations. General Purpose 1 General Purpose 2 One-inch grooves Line (stripe) removal MK SG-2 Revision 11/01, Effective Date November 13, 2001 Page 21...
Page 22 959 l S Q Q q 6.48 6.72006 598.8 778.8 re W n 6 w 1 j 8 M /Cs1 CS 0 0 0 SC q72006 598.8 778.8 re W n 6 w 1 j 8 M /C Place Engine Master Switch in the OFF position Engage/ Direction of Disengage Lever movement MK SG-2 Rotate clockwise to raise Highest Position Raise the Cutting Drum to the...
Page 23: Cleanup
Depth Control Screw Clean the Depth Control Screw Cutting Drum Remove the Cutting Drum (See Setup Section) MK SG-2 Engine Switch Direction of Movement Verify the engine is off and cool before beginning to clean Clean Exterior Surfaces Clean the remainder of the...
Page 24: Maintenance And Troubleshooting Maintenance
(See Normal Engine Shutdown) Lubricate Shaft Lubricate the Cutting Drum Shaft cleaned in Step I of the Cleanup Section MK SG-2 Inspect Check and adjust tension on all V-belts following 1 48 hours of operation (See V-belt Inspection) Air Filter...
Page 25: Monthly Maintenance
Tighten all bolts and screws Verify the tightness of all bolts and screws found on the SG-2 Shaft Bearings Lubricate the Cutting Drum, Shaft Bearings MK SG-2 Rear Wheel Assembly Lubricate the Rear Wheel Assembly Throttle Linkage Reinstall engine Throttle...
Page 26 Replace engine Air Filter (See Engine Air Filter Inspection Cleaning and Replacement) Check/Adjust Idle Speed Check/Adjust Valve Clearance (Shop Maintenance Required) MK SG-2 Fuel Sediment Cup Clean Fuel Sediment Cup (See Fuel Sediment Cup Cleaning) Spark Plug Replace Spark Plug...
Page 27 Fuel Cap Remove Fuel Cap Turn clockwise to tighten Fuel Cap Install Fuel Cap MK SG-2 Fill Throat Fill Fuel Tank Revision 11/01, Effective Date November 13, 2001 Fill Throat Upper Limit Verify fuel level is below the...
Page 28 Verify the Engine is upright and level Fill through Reservoir fill hole Fill Oil Reservoir Wipe up excess oil Clean up excess oil MK SG-2 Dipstick Turn counter- clockwise to loosen Remove Dipstick Bottom Edge Add Oil until level reaches...
Page 29 2. Conform to Federal, State and Local laws, codes and ordinances relative to environmental protection for oil disposal. Lower the SG-2 to its lowest position Drain Completely Drain Oil the engine oil (conform to Federal, State and Local laws for disposal) MK SG-2 10W-30 5W-30 -20ºF 0ºF 20ºF 40ºF 60ºF -20ºC...
Page 30 Turn counter- clockwise to loosen Cyclone Filter Retaining Screw Assembly Remove the 3 Cyclone Filter Assembly retaining screws MK SG-2 Turn counter- clockwise to loosen Dual Air Filter Remove the Dual Air Filter Submerge with Oil Dip the Foam Filter in clean engine oil –...
Page 31 Cyclone Housing Install the Air Guide into the Cyclone Housing Turn clockwise to tighten Air Filter Cover Install the Air Filter Cover MK SG-2 Paper Filter Foam Filter Install the Foam Filter over the Paper Filter Cyclone Filter Assembly Install the Cyclone Filter...
Page 32 Cutting Drum, Shaft Remove Shaft Hold Cutting Drum Remove the Cutting Drum and Shaft MK SG-2 Retaining Nut, Cover Shaft, Retaining Nuts Remove the Shaft, Retaining Nut Cover from the Belt Guard to expose the Shaft, Retaining...
Page 33 Obtain the Shaft, Outer Retaining Nut Retaining Nut, Cover Install the Shaft, Retaining Nut Cover onto the Belt Guard MK SG-2 Rotate counter- clockwise to install Install the Shaft, Inner Retaining Rotate counter- clockwise to install Install the Shaft, Outer Retaining...
Page 34 Disc Disc Spacer Assemble the Cutting Drum using Cutting Discs and Disc Spacers (See Cutting Drum Configuration, Page 21) MK SG-2 Retaining Screw Turn clockwise to tighten Place the Cutting Drum on end and remove the 3 Retaining Screws using a 7/16-inch wrench...
Page 35 Flat Washer Spacers Retaining Screw Install the 3 Retaining Screws into the Cutting Drum (do not cross-thread the screws) MK SG-2 Flat Washer Spacer Install the 3 Flat Washer Spacers (if used) over the 3 Retaining Ring, Retaining Screw holes...
Page 36 Place Fuel Valve in the OFF position Clean Fuel Sediment Cup Clean Fuel Sediment Cup using a nonflammable solvent – allow Sediment Cup to dry MK SG-2 Turn counter- clockwise to loosen 10mm Wrench Loosen the Fuel Sediment Cup Turn clockwise...
Page 37 Turn clockwise to tighten Tighten the Spark Plug If new, tighten 1/2-turn, if old, tighten 1/8-1/4 turn using a 13/16-inch Spark Plug Socket MK SG-2 Spark Plug Pull back to remove Remove Spark Plug Cap clean cap and around spark plug...
Page 38 NOTE: The four (4) Brushes should be replaced at the same time (MK Diamond Part No. – 15819). Inspect Brushes Inspect the Dust Screen Brushes for wear Obtain Replacement Brushes Obtain Replacement Brushes MK SG-2 Flat Blade Screwdriver Loosen Loosen the end of each Brush Holder with a Flat Blade Screwdriver...
Page 39 Allen Locking Collar Wrench Push the Retaining Collars against the Front Wheels and then tighten them with a 5/32- inch Allen Wrench MK SG-2 Rotate counter- clockwise to loosen Allen Locking Collar Wrench Loosen the Retaining Collar of each Wheel using a 5/32-inch...
Page 40 Rotate the SG-2 to rest on the Handle/Stand Remove Retaining Bolts Remove the Rear Wheel Truck Assembly Retaining Bolts Obtain Replacement Wheels Obtain replacement wheels MK SG-2 Rear Wheel Truck Assembly Locate the Rear Wheel Truck Assembly Lower Truck Assembly Lower the Rear Wheel Truck...
Page 41 Rotate counter- clockwise to loosen Loosen the Front Engine Mounting Plate Bolts on both sides of the SG-2 using a 9/16- inch wrench MK SG-2 Retaining Screws Locate and remove the Belt Guard Retaining Screws using a 9/16-wrench Check Tension 1/2-...
Page 42 Engine and Cutting Drum Pulleys Adjusting Rotate clockwise Screw to tighten Tighten the V-belt Adjusting Screw one turn using a 9/16- inch wrench MK SG-2 Engine Pulley Cutting Drum Pulley Remove the V-belt from the Engine and Cutting Drum Pulleys Verify V-belt...
Page 43 Screw Lock Nut using a 9/16- inch wrench Retaining Screws Tighten the Belt Guard Retaining Screws using a 9/16-wrench MK SG-2 Mounting Plate Bolts Tighten the Engine Mounting Plate Bolts on both sides of the SG-2 using a 9/16-inch wrench Hold Cutting...
Page 44: Exploded View And Parts List
EXPLODED VIEW AND PARTS LIST EXPLODED VIEW: MK SG-2 Revision 11/01, Effective Date November 13, 2001 Page 44...
Page 45 EXPLODED VIEW AND PARTS LIST MK SG-2 Revision 11/01, Effective Date November 13, 2001 Page 45...
Page 46: Parts List
Assembly, Console Weldment, Console (MK Red) Weldment, Console (Orange) Label, Control Label, Depth Lock Assembly, Standard Wire Harness Wire Harness, Standard, Honda Switch, Engine On/Off MK SG-2 Revision 11/01, Effective Date November 13, 2001 Part # 158535 158536 158825 158537 155419...
Page 47 Washer, 3/8 SAE Flat Washer, 3/8 Split Lock Pivot, Shaft Screw, 1/2-13 x 1–1/4 Hex Head Cap Washer, 1/2 Split Lock Washer, 1/2 SAE Flat MK SG-2 Revision 11/01, Effective Date November 13, 2001 Part # 151744 155407 155406 154158...
Page 48 Screw, 3/8-24 x 3/4 Soc Head Cap Pulley, 4.0”OD, Poly-V (16J40 x 1–1/4 Bore) Screw, 3/8-24 x 1 Hex Head Cap Washer, 3/8 SAE Flat Washer, 3/8 Split Lock MK SG-2 Revision 11/01, Effective Date November 13, 2001 Part # 155396-MK 155396...
Page 49 Spacer, Harden Steel Assembly, 8” Drum, 108 x 12 Blunt Tooth Cutter Assembly, 8” Drum Cutter, 12 Blunt Tooth Steel (2” OD x 5/8”ID) Spacer, Harden Steel MK SG-2 Description Spacer, Harden Steel Revision 11/01, Effective Date November 13, 2001 Part #...
Page 50: Theory
Once worn below the insert, the disc must be replaced. MK SG-2 Revision 11/01, Effective Date November 13, 2001...
Page 51: Accessories
Used for paint and oil removal, traffic and shop floor safety line removal, cleaning and surface preparation Average Life: 500 to 800 Sq Ft 158575 Hardened Steel Spacer Used to fill empty space between the Cutting Discs MK SG-2 DESCRIPTION Revision 11/01, Effective Date November 13, 2001 Page 51...
Page 52: Ordering Information
• Dry the saw before shipping • When packing, include the following: MK SG-2, Diamond Blade, Blade guard and Support Angle • Assembly and Adjustable Cutting Guide (Other Accessories are not required) Package the unit in its original container or one of comparable size (do not ship the unit partially exposed) •...
Page 53: Operating Instructions
MK SG-2 MASONRY SAW OWNER’S MANUAL & OPERATING INSTRUCTIONS CALIFORNIA PROPOSITION 65 MESSAGE: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contain chemicals known [to the State of California] to cause cancer, birth defects or other reproductive harm.