MechMaxx SG24 Operator's Manual

MechMaxx SG24 Operator's Manual

Pto stump grinder

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WARRANTY
WARRANTY
Operator's Manual
www. mechmaxx.com

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Summary of Contents for MechMaxx SG24

  • Page 1 WARRANTY WARRANTY Operator’s Manual www. mechmaxx.com...
  • Page 3: Table Of Contents

    CONTENTS SUPPLIED FIRST TIME USER TIPS TO-SCALE HARDWARE FIELD OPERATION ASSEMBLY STUMP GRINDING PROCEDURE TOP LINK BRACKET MACHINE USE AND CARE MAINTENANCE DEFLECTOR CHAINSAW HOLDER REPLACING TEETH MANUAL TUBE GREASING KNOW YOUR MACHINE TROUBLESHOOTING STORAGE www. mechmaxx.com TABLE OF CONTENTS...
  • Page 4: Specifications

    SPECIFICATIONS Model SG24 Flywheel Diameter 24 in Flywheel Thickness 3/4 in Carbid Tip 34 pcs Carbid Tip Material YG11C 42CrMo Tip Holder Material PTO HP Required 15–45 HP 1-3/8” 6 Spline Tractor and Implement Ends PTO PTO Shaft (Included Shipping)
  • Page 5: 3-Point Hitch Dimensions

    15.9” 17.8” 406mm 453mm 31.2” 2.55” 795mm 65mm 12.4” 12.3” 316mm 314mm SAFETY SIGNS The rating plate on your machine may show symbols. These represent important information about the product or instruc- tions on its use. www. mechmaxx.com SAFETY SIGNS...
  • Page 6: Safety

    Possible hazards include, devices. but are not limited to, moving parts, thrown objects, Always locate and mark buried wires, cables, and weight of the machine and components, and the operat- pipelines prior to grinding. ing environment. www. mechmaxx.com SAFETY...
  • Page 7 Operate on a flat level ground. Never place any part of your body where it would be in danger if movement should occur during assembly, instal- lation, operation maintenance, repair, or moving. www. mechmaxx.com SAFETY...
  • Page 8: Unpaching The Container

    Unfasten the M8 X 20 mm hex bolts from the four (4) Unfasten the two (2) M10 × 25 mm hex bolts securing bottom corners of the crate and remove the top frame. both support legs to the bottom crate frame. www. mechmaxx.com UNPACHING THE CONTAINER...
  • Page 9: Contents Supplied

    CONTENTS SUPPLIED Your PTO Stump Grinder comes partially assembled and contains the following: SG24 PTO STUMP GRINDER Chainsaw Holder Assembly Deflector Plate Manual Tube PTO Shaft Verify all component and hardware quantities are correct prior to assembling the stump grinder.
  • Page 10: To-Scale Hardware

    M6 X 20mm Hex bolt M8 X 30mm Hex lock nut M6 Hex bolt M10 X 35mm Hex lock nut M8 Hex bolt M12 X 40mm Hex lock nut M10 Flat washer Flat washer Flat washer Flat washer www. mechmaxx.com TO-SCALE HARDWARE...
  • Page 11: Assembly

    Hex bolt M8 X 30mm washer 12. Flat washer 8 CHAINSAW HOLDER Using the hardware listed below, assemble the chainsaw holder to the flywheel housing as shown. Hex bolt M12 X 40mm Flat washer 12 Spring washer 12 www. mechmaxx.com ASSEMBLY...
  • Page 12: Manual Tube

    Using the hardware listed below, assemble the manual tube to the back frame as shown.Remove the cap from the manual tube to gain access to the centre mounting hole. Hex lock nut M6 Hex bolt M6 X 20mm Flat washer 6 www. mechmaxx.com ASSEMBLY...
  • Page 13: Know Your Machine

    KNOW YOUR MACHINE Cutting Wheel Shield Chainsaw Holder Manual Tube Deflector 3-Point Top Link Pin TEETH 3-Point Top Link Pin Locking Pins Parking Stands www. mechmaxx.com KNOW YOUR MACHINE...
  • Page 14: Set-Up Procedures

    PTO shaft when the equipment is in the operating position. If Dim B is longer than Dim A, the PTO shaft will require trimming. Use this equation to calculate the correct amount to trim: www. mechmaxx.com SET-UP PROCEDURES...
  • Page 15: Pto Shaft Clutch Run-In

    Slippage has not occurred if the two marks on the clutch plates are still aligned. A clutch that has not slipped must be disassembled to separate the clutch plates. www. mechmaxx.com PTO SHAFT CLUTCH RUN-IN...
  • Page 16: Flywheel Tooth Torquing

    24 mm socket. Slide the ring spanner over the nut and torque the nut by rotating it clockwise. Repeat the process for all four (4) of the outward-pointing teeth. www. mechmaxx.com FLYWHEEL TOOTH TORQUING...
  • Page 17: Operation

    Each operation. secured. Verify the safety chains on the drive shaft are Each operation. securely attached to the cover. Grease pivot pins Each operation. Verify the cutting tips on the cutting wheel are tight. Every 4 hours. www. mechmaxx.com OPERATION...
  • Page 18: Startup

    To prevent injury or machine damage put transmission in "Park" and check the full range of hitch for interference, binding or PTO separation.Never position yourself between tractor and stump grinder.Only experienced and properly trained operator's should operate the tractor and stump grinder. www. mechmaxx.com STARTUP...
  • Page 19: First Time User Tips

    (over 17°) may result in equipment damage.Adjust top link Always turn offthe tractor and disengage pto shaft is as straight as possible. the PTO drive before getting off the seat and approaching the cutting wheel. www. mechmaxx.com STARTUP...
  • Page 20: Field Operation

    State of California to cause cancer.Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. Wear an approved dust mask or respira- tor.Follow local, state and federal regula- tions. www. mechmaxx.com STARTUP...
  • Page 21: Stump Grinding Procedure

    When cutting a stump, the operator must wear eye protection and must stay on the power unit seat. www. mechmaxx.com STUMP GRINDING PROCEDURE...
  • Page 22 It is critical that the stump grinder is never pulled through the centre of a stump or ground from left-to-right. This will induce severe vibration and cause the grinder to sway and bounce. It may also damage the machine and/or break teeth. PULLING THROUGH THE CENTRE Left Right GRINDING LEFT-TO-RIGHT Left Right www. mechmaxx.com STUMP GRINDING PROCEDURE...
  • Page 23: Machine Use And Care

    If any abnormal vibrations or noise occurs, stumps or for any purpose other than grinding stumps as turn the machine off immediately and have the problem described in this manual. corrected before further use. www. mechmaxx.com MACHINE USE AND CARE...
  • Page 24: Maintenance

    Remove the worn cutting tooth while noting its orienta- tion so that the replacement tooth will be installed in the Flywheel Shaft Bearings (Underside of Flywheel Housing) same manner. Left Pivot Hinge Right Pivot Hinge PTO Shaft: Slip Clutch End PTO Shaft: Tractor End www. mechmaxx.com MAINTENANCE...
  • Page 25: Troubleshooting

    Take smaller passes (less cutting) to decrease the strain on the clutch. Turn the flow control knob to a lower number to reduce the strain on the slip clutch. www. mechmaxx.com TROUBLESHOOTING...
  • Page 26: Storage

    If parts have been replaced, verify they run properly. section.)necessary. (See Service and Maintenance section.) Check condition of cutting teeth. Replace as Check for loose or missing hardware. Paint parts as necessary. Store PTO driveshaft off the ground. www. mechmaxx.com STORAGE...
  • Page 27 13920 CITY CENTER DR.STE 235 CHINO HILLS,CA 91709, United States...

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