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Carlton 7500 Tow Behind Owner's Manual

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7500 Tow Behind
Machine Serial #
Engine Model & Spec #
Engine Serial #
Purchase Date
Dealer
J.P.Carlton Company
Div. D.A.F. Inc.
121 John Dodd Road
Spartanburg, SC 29303
Ph. (864) 578-9335
Fax (864) 578-0210
www.stumpcutters.com
Owner's Manual
_____________
_____________
_____________
_____________
_____________
REVISION: 211208-22

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Summary of Contents for Carlton 7500 Tow Behind

  • Page 1 Owner’s Manual 7500 Tow Behind Machine Serial # _____________ Engine Model & Spec # _____________ Engine Serial # _____________ Purchase Date _____________ Dealer _____________ REVISION: 211208-22 J.P.Carlton Company Div. D.A.F. Inc. 121 John Dodd Road Spartanburg, SC 29303 Ph. (864) 578-9335 Fax (864) 578-0210 www.stumpcutters.com...
  • Page 2 BLANK SHEET...
  • Page 3 ENGINE EXHAUST WARNING WARNING This product and the fuels used to operate this product (Gasoline or Diesel), and the products of combustion of such fuels, can expose you to chemicals including benzene, which is known to the State of California to cause cancer, birth defects, or other reproductive harm.
  • Page 4 7500 SAFETY ALERT...
  • Page 5 7500 SAFETY ALERT...
  • Page 6 7500 SAFETY ALERT...
  • Page 7 7500 SAFETY ALERT...
  • Page 8 STUMP GRINDER LIMITED WARRANTY J.P. Carlton Co. Inc., hereafter referred to as the “Manufacturer”, warrants each new Carlton Grinder to be free of defects in workmanship and material for a period of one year. This warranty takes effect upon delivery to the original retail purchaser. The manufacturer, at its option, will replace or repair, at a point designated by the manufacturer, any parts which appear to have been defective in material or workmanship.
  • Page 9 The manufacturer will provide replacement parts at no cost to the customer for defective parts during the warranty period. Defective parts must be returned to J.P. Carlton Company. It will be the customers’ responsibility to install the replacement parts unless arrangements are made with the selling dealer.
  • Page 10 BLANK SHEET...
  • Page 11 Warranty Validation Form Congratulations on your purchase of a Carlton Stump Grinder. This product has been designed and manufactured to provide years of profitable service while minimizing maintenance and downtime. Please take the time now to complete this warranty validation form. This information is necessary for Carlton to instate your warranty.
  • Page 12 BLANK SHEET...

  • Page 13: Table Of Contents

    7500 TABLE OF CONTENTS INTRODUCTION FOREWORD GENERAL INFORMATION MACHINE FEATURES MACHINE SPECIFICATIONS OPERATION SAFETY PRECAUTIONS DAILY CHECKLIST MACHINE CONTROLS TOWING GUIDE MACHINE OPERATION MAINTENANCE MACHINE MAINTENANCE TROUBLESHOOTING GUIDE SERVICING CUTTER WHEEL SERVICING HYDRAULICS SERVICING BELTS SERVICING BEARINGS APPENDIX A CONTACT INFORMATION BACK...

  • Page 14: Foreword

    Use proper safety precautions. Follow the instructions provided and use common sense and your "OX" will perform like its namesake. If getting more work done in a day, with less trouble, is your idea of good business, then you will love your new Carlton® Stump Grinder! We welcome your suggestions on how we might better build our machines.

  • Page 15: General Information

    7500 GENERAL INFORMATION The J. P. Carlton Company constantly strives to create the best equipment available in the stump cutting industry. Therefore, the material in this manual is correct at the time of publication. Carlton reserves the right to make improvements, modifications and even ®...

  • Page 16: Machine Features

    7500 MACHINE FEATURES • Remote control • Blanchard ground • High quality epoxy • Key switch cutter wheel - 1 1/2" primer • PPG finish • Direct hydraulic drive thick • Carbide tipped teeth • Large fuel tank pump • Center lube spindles •...

  • Page 17: Machine Specifications

    7500 MACHINE SPECIFICATIONS Approximate Dimensions & Weights (Dimensions & weights will vary depending on optional equipment) *Approx. Weight: 6430 lbs. (2916 kg) Overall Dimension: Lenght: 180” (457.20 cm) Width: 84” (213.36 cm) Height: 70” (177.80 cm) 21” (53.34 cm) Cutting Depth: 50”...

  • Page 18: Safety Precautions

    7500 SAFETY PRECAUTIONS Before operating the stump cutter, read this manual, the engine manual, and all the safety decals on the machine. Know all parts of the machine and their functions, especially the shut down procedures in case of emergency. No inexperienced person may operate machine.
  • Page 19 (i.e. clearing rocks, wood chips, etc.). • DO NOT modify or change any part without written approval from J. P. Carlton Company. • DO NOT ride, sit, stand, lay, or climb anywhere on this machine during operation, while running, or during transport.
  • Page 20 Keep cutter wheel skirt guards in good condition to help control chips during grinding. • Keep safety and instructional decals clean and replace any that are damaged, difficult to read, or missing. Decals may be purchased from J.P. Carlton or an authorized dealer.

  • Page 21: Daily Checklist

    7500 DAILY CHECKLIST • Make sure safety pins are in position before towing. Always crisscross safety chains when towing. • Check engine oil at dipstick. Add to full mark, if required. Engine must be level (see Machine Maintenance section). • Check hydraulic oil level. A sight glass is located on the hydraulic tank.

  • Page 22: Machine Controls

    7500 MACHINE CONTROLS HYDRAULIC CONTROLS A series of hydraulic controls are located on the machine and radio transmitter, which are clearly marked for use. There are three operating and positioning functions on the machine and remote transmitter. To operate, push toggle switches in the direction of the command you want to perform.
  • Page 23 7500 MACHINE CONTROLS CUTTER WHEEL ENGAGEMENT LEVER DANGER Engaging or Disengaging Cutter Wheel at High ENGAGE Engine Speed Can Cause Personal Injury and Machine Damage. Always Disengage Before Turning Machine On/Off. • Before engaging or disengaging the cutter wheel, make sure the engine is at an idle speed.
  • Page 24 7500 MACHINE CONTROLS ENGINE CONTROLS (cont.) • Ignition Switch KOHLER ENGINE KUBOTA ENGINE Turn the ignition key switch clockwise one stop (On position) to turn the electrical system on. The key should remain in the on position while the engine is running. Turn the key fully clockwise (Start position) this IGNITION will start the engine.
  • Page 25 7500 MACHINE CONTROLS PROGRAMMING WIRELESS REMOTE *Refer to the provided radio control manual for detailed programming instructions. If there is a problem with the receiver or the transmitter and either must be replaced, you will need to program the new unit to communicate with the existing unit. Or if you have more than one transmitter for this machine, it will need to be programmed to communicate with the existing receiver.

  • Page 26: Towing Guide

    7500 TOWING GUIDE SAFETY: NEVER ALLOW INEXPERIENCED DRIVERS TO TOW MACHINERY. Always make sure ball size is same size as coupler on equipment. • Always make sure safety pins and chock block are in place before towing. • Always make sure towing ball and hitch coupler are the same size and that they are not worn.

  • Page 27: Machine Operation

    Wear face shield and hearing protection. Keep clear of cutting wheel and moving machine parts. Keep spectators away. The 7500 Tow Behind stump grinder is a radio control machine. To start the engine and the radio control transmitter, follow ENGINE ON/OFF these instructions.
  • Page 28 7500 MACHINE OPERATION • Start engine. Turn the ignition key KUBOTA KOHLER switch clockwise one stop (On position) to turn the electrical system on. The key should remain in the on position while the engine is running. Turn the key fully clockwise (Start position) this will start the engine.
  • Page 29 7500 MACHINE OPERATION DANGER Engaging or Disengaging Cutter Wheel at High Engine Speed Can Cause Personal Injury and Machine Damage. Always Disengage Before Turning Machine On/Off. • Engage cutter wheel by lifting the lock pin and pulling the engine slide lever toward the engine slowly enough to prevent stalling the engine.
  • Page 30 7500 MACHINE OPERATION • Lower spinning cutter wheel to stump and make a few light passes at stump to get a feel for the cutting action. • Gradually increase cutting action and work away at stump by swinging cutter wheel left- to-right-to-left through stump in a sideways motion.

  • Page 31: Machine Maintenance

    7500 MACHINE MAINTENANCE DANGER More accidents occur while performing maintenance than any other time! Use extra caution!! DO NOT PERFORM MAINTENANCE OF ANY KIND ON THIS MACHINE UNLESS:  The engine is turned off.  The ignition key has been removed. ...
  • Page 32 7500 MACHINE MAINTENANCE  Check cutter wheel, pockets, and teeth for wear (Daily). If any repair is needed, see Servicing Cutter Wheel section for further instructions. DO NOT OPERATE STUMP CUTTER WITHOUT A COMPLETE SET OF TEETH.  Check setscrews in jackshaft bearings for tightness (Weekly).
  • Page 33 7500 MACHINE MAINTENANCE LUBRICATION CHART  Use NLGI Grade 2 grease or equivalent.  Always clean tip of grease gun fitting and grease fitting on machine before attaching hose to prevent dirt from being forced into machine parts. Note: Wipe off excess grease. Excess grease will attract dirt.
  • Page 34 7500 MACHINE MAINTENANCE BELTS  Check belt tension (Daily). Inspect for wear and alignment (Monthly). For details on replacing belts, see Servicing Belts section of this manual. NOTICE Tension on newly installed belts drops rapidly during the first hours of operation. Check and adjust frequently during the first 24 hours.
  • Page 35 7500 MACHINE MAINTENANCE CHECK FOR WEAR  Inspect belts, sheaves and/or sprockets for wear. See illustrations to assist with inspection. For details on replacing belts, see Servicing Belts section of this manual.  V-Belt-drive efficiency depends on full contact between the belt and the sheave walls.
  • Page 36 7500 MACHINE MAINTENANCE BELT TENSION ADJUSTMENT NOTICE Inspect and/or repair the following before continuing with setting belt tension:  Grease and oil on the belt: Grease and oil on a belt will cause rapid deterioration. Clean oil and grease from the sheaves, wipe the belt with a clean cloth. ...
  • Page 37 7500 MACHINE MAINTENANCE BELT TENSION ADJUSTMENT (cont.) Procedure for Cutter Poly Chain Belt:  There are two sets of jam bolts, a FRONT REAR JAM BOLT FRONT JAM BOLT and REAR on each side of the cutter wheel. Each set has an outside and inside nut used to slide the cutter wheel bearing and shaft.

  • Page 38: Troubleshooting Guide

    7500 TROUBLSHOOTING GUIDE COMPLAINT CAUSE CORRECTION  On/Off switch on machine  Move switch to the ON Engine will not start. (See Engine Manufacturers’ control panel is in off position and follow normal Manual for further position. startup procedure. information.) ...
  • Page 39 7500 TROUBLSHOOTING GUIDE COMPLAINT CAUSE CORRECTION  Belt not engaged.  Adjust yoke assembly. Cutter wheel stops turning.  Belt loose.  Tighten belt.  Engine belt broke.  Replace belt.  Poly Chain® belt broken.  Replace belt.  Sheared key in shaft. ...

  • Page 40: Servicing Cutter Wheel

    7500 SERVICING CUTTER WHEEL DANGER More accidents occur while performing maintenance than any other time! Use extra caution!! DO NOT PERFORM MAINTENANCE OF ANY KIND ON THIS MACHINE UNLESS:  The engine is turned off.  The ignition key has been removed. ...
  • Page 41 7500 SERVICING CUTTER WHEEL TOOTH ARRANGEMENT  Inspect pockets, teeth, and bolts for damage  Use anti-seize on threads to prevent bolts and replace as required. from “freezing up” in cutter wheel pockets.  When replacing pockets, always replace  When replacing complete set of teeth, be new pockets across from each other in sure to duplicate original factory tooth order to prevent vibration.
  • Page 42 7500 SERVICING CUTTER WHEEL OPTIONAL: Razor Cutter Wheel  If the machine is supplied with the optional Razor cutter wheel, there are 76 teeth to a complete set. There are 20 outer Short Plow Bolt with Long Head Bits and 56 side Plow Bolt Bits. CAUTION Do not operate machine without a full set of teeth.
  • Page 43 It does not refer to the left side of the machine as described in the General Information section.) CARLTON SP7500 TRIUMPH MANUAL Note: It may be necessary to use a 1 1/4” hole saw to remove debris around nut to make tooth removal easier.
  • Page 44 7500 SERVICING CUTTER WHEEL TOOTH SHARPENING  Begin by chamfering shank back past edge of carbide. You do this because if it is not back far enough the shank will hit the stump instead of the carbide, thus causing a lot of vibration.

  • Page 45: Servicing Hydraulics

    10 hours of operation. After that, at 200 hours increments. Replace with the same type of in-tank filter element supplied originally, available through Carlton or Carlton dealers.  Unscrew tank reservoir cap and pull old filter out of housing and discard properly.
  • Page 46 7500 SERVICING HYDRAULICS REPLACING ROD ENDS  Should a rod end need replacing, loosen through bolt clamping rod end to cylinder rod and unscrew rod end.  Reverse process to install new rod end. Tighten through bolt and use new cotter pins, and cylinder pins.

  • Page 47: Servicing Belts

    7500 SERVICING BELTS DANGER More accidents occur while performing maintenance than any other time! Use extra caution!! DO NOT PERFORM MAINTENANCE OF ANY KIND ON THIS MACHINE UNLESS:  The engine is turned off.  The ignition key has been removed. ...
  • Page 48 7500 SERVICING BELTS Replacing Engine Belt (cont.)  Move the engagement lever to the full engaged position. Check belt tension and sheave alignment. (Refer to Machine Maintenance section, Checking Belt Tension.) The belt should deflect 1/2” with 25 lbs. of force centered between the sheaves.
  • Page 49 7500 SERVICING BELTS Replacing Poly Chain Belt ® Special care should be taken with your Poly Chain belt. Alignment, tension, and cleanliness ® of this belt is very important. The Poly Chain belt needs to be checked for tension every 70 to ®...
  • Page 50 7500 SERVICING BELTS Replacing Poly Chain Belt (cont.) ®  Next, loosen the two front jam bolts on REAR JAM BOLT FRONT JAM BOLT the underside of the boom box (one on each bearing) and move the cutter wheel toward the engine as far as possible. This will loosen the Poly Chain belt.

  • Page 51: Servicing Bearings

    7500 SERVINING BEARINGS DANGER More accidents occur while performing maintenance than any other time! Use extra caution!! DO NOT PERFORM MAINTENANCE OF ANY KIND ON THIS MACHINE UNLESS:  The engine is turned off.  The ignition key has been removed. ...
  • Page 52 7500 SERVINING BEARINGS SERVICING TURNTABLE BEARING While turntable bearings require almost no attention, what little they are given will pay big dividends in long life, high performance, and trouble-free service. Lubricate the bearing every 100 operating hours for relatively slow rotating applications. Idle equipment should not be neglected.
  • Page 53 Appendix A...
  • Page 54 BLANK SHEET...
  • Page 55 Your authorized J.P. Carlton dealer knows your local conditions and is ready to deliver fast, professional, and expert service and/or parts, when you need it most.
  • Page 56 1 3 6 3 4 5 . 4 4 1 4 4 3 6 5 . 7 6...

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