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_____________ Engine Model # _____________ Engine Specification # _____________ Engine Serial # _____________ Purchase Date _____________ Dealer _____________ Carlton J. P. Carlton Company Div. DAF Inc. 121 John Dodd Road Spartanburg, SC 29303 Ph. (864) 578-9335 Fax (864) 578-0210 www.stumpcutters.biz...
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DIESEL ENGINE EXHAUST WARNING CALIFORNIA Proposition 65 Warning Diesel engine exhaust and some of its constituents are known to the State of California to cause cancer, birth defects, and other reproduction harm.
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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.
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.
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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.
3500D FOREWORD Congratulations on your purchase of a new Carlton Professional Stump Grinder! Carlton ® ® Stump Grinders have a reputation for superior performance and reliability. Each and every machine has been over designed and overbuilt to ensure years and years of trouble-free operation.
Any reference made to right, left, front or rear in relationship to the stump cutter is illustrated in the following picture. Please refer to these any time you call your dealer or J. P. Carlton Company for parts or assistance.
3500D 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.
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(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.
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• 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.
3500D DAILY CHECKLIST • Make sure safety pins and safety chock 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).
3500D MACHINE CONTROLS ENGINE CONTROLS - Refer to engine manufacturers owners’ manual for controls, operation, and service. • Start the engine using the key switch OIL PRESSURE, OIL located on the lower left hand side of the TEMPERATURE, AND ALTERNATOR GAUGES swing-out control panel.
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3500D MACHINE CONTROLS SWING SPEED ADJUSTMENT • Adjust swing speed for smooth operation. Turn valve counter-clockwise to slow cutter head swing as engine speed increases. Close valve by turning clockwise to allow head to move side to side at low engine RPM.
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3500D MACHINE CONTROLS OPTIONAL REMOTE CONTROL REMOTE CONTROL MACHINE – TOGGLE SWITCHES OPERATION – WIRED • The control functions operate the same on a remote control machine as they do on a swing-out machine. Instead of having the machine mounted control...
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Contact your DRILL HOLES IN THE RIGHT SIDE OF THE COVER Carlton dealer if you need assistance not (SHOWN ABOVE) AND MOUNT THE RADIO CONTROL RECEIVER INSIDE. the radio control manufacturer.
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3500D MACHINE CONTROLS OPERATION – WIRELESS • THE CUTTER WHEEL MUST BE DISENGAGED BEFORE STARTING BY-PASS THE MACHINE. SWITCH SWITCH • To start the engine and radio control transmitter, follow these instructions. • On the machine, turn the ignition key switch to ON and the engine switch to Remote On.
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3500D MACHINE CONTROLS PROGRAMMING – WIRELESS • If there is a problem with the receiver or the transmitter and either has to be replaced, you will need to program the new unit to communicate with the existing unit. Or if you have more than...
3500D MACHINE CONTROLS TROUBLESHOOTING LOW BATTERY LIGHT SEE THE RADIO CONTROL MANUAL FOR ANY OPERATING PROBLEMS WITH THE RADIO RECEIVER & TRANSMITTER (Included in the back of this manual) • First check the batteries to make sure they are providing enough power to REMOVE THE BACK COVER TO ACCESS THE operate the transmitter.
3500D 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.
3500D MACHINE OPERATION STARTING - READ ENGINE MANUFACTURERS OWNERS’ MANUAL BEFORE STARTING. • Check all fluids before starting. • Drive belts must be disengaged before starting. • Inspect all connections, teeth, tires, etc. (See Daily Checklist). • Start engine at half speed and allow sufficient time for oil to circulate before proceeding.
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3500D MACHINE OPERATION • Lift boom and remove boom chock block. REMOVE BOOM CHOCK BLOCK • Reduce engine RPM to idle. • Raise cutterhead clear of stump. • Engage cutterhead drive belts by pushing down on engagement handle to relieve pressure on engine slide stop.
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3500D 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.
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3500D MACHINE OPERATION For optimal performance, the stump should be cut with the portion of the cutter wheel shown. NEVER UNDERCUT THE STUMP. Undercutting the stump can cause severe kickback, vibration and component damage. NEVER CUT THE STUMP FROM THE TOP.
3500D MACHINE MAINTENANCE SAFETY • NEVER SERVICE A MACHINE WITH THE ENGINE RUNNING, SEVERE PERSONAL INJURY COULD OCCUR. TURN ENGINE OFF THEN REMOVE IGNITION KEY AND DISCONNECT POSITIVE BATTERY CABLE TO AVOID STARTING MACHINE ACCIDENTALLY. • CUTTER WHEEL MUST BE DISENGAGED BEFORE TURNING ENGINE ON/OFF AND BEFORE SERVICING A MACHINE.
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3500D MACHINE MAINTENANCE • Check hydraulic oil tank. A sight glass is provided on the tank for easy viewing. Keep filled to proper level. • The machine is equipped with Citgo AW32 hydraulic oil at the time of manufacture. • To access the jackshaft bearings you will have to remove the jackshaft cover.
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3500D MACHINE MAINTENANCE • Check cutter wheel, pockets, and teeth for wear. If any repair is needed, see Servicing Cutter wheel section for further instructions. DO NOT OPERATE STUMP CUTTER WITHOUT A COMPLETE SET OF TEETH. Always clean tip of grease gun fitting and grease fitting on machine before attaching hose to prevent dirt from being forced into machine parts.
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3500D MACHINE MAINTENANCE • Grease cutter wheel shaft bearings daily. These bearings should be purged using grease EVERYDAY. Purge until clean grease is seen. Use Texaco Starplex II ® grease. Wipe off excess grease. Excess grease will attract dirt. Always clean tip...
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3500D MACHINE MAINTENANCE • Grease bottom pivot hardened bushings weekly. Use Texaco Starplex II grease. ® Wipe off excess grease. Excess grease will attract dirt. • Grease spindles every 2 to 3 months. Spindles are easy lube type. Remove rubber grommet and grease at grease fitting until grease is seen around grease fitting.
3500D LUBRICATION SCHEDULE • The model 3500D, as well as all of our • A regularly scheduled maintenance machines, is built to be a rugged performer. program will pay big dividends in machine Your new machine is sturdy and our design life, performance and avoided downtime.
3500D TROUBLESHOOTING GUIDE COMPLAINT CAUSE CORRECTION • Loose ground wire. • Clean and tighten. Engine will not start. (See Engine Manufacturers’ Manual for further • Loose hot wire. • Clean and tighten. information.) • Dead battery. • Recharge or replace.
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3500D TROUBLESHOOTING 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.
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3500D LIGHTS & BRAKES ASSEMBLY ELECTRIC BRAKE ASSEMBLY ITEM NO PART NO DESCRIPTION 0550220 Backing plate assembly 0550221 Left hand actuating lever 0550222 Right hand actuating lever 0550223 Anchor post washer 0550224 Wire clip 0550225 Retractor spring 0550226 Shoe & lining kit...
• PLACE THE CUTTER WHEEL ON THE GROUND WHEN PERFORMING SERVICE ON A MACHINE. • There are thirty-two (32) teeth to a complete set on the model 3500D. Two (2) straight teeth, fifteen (15) left 45° teeth and fifteen (15) right 45° teeth.
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3500D 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...
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Dura Disk II cutter wheel, there are fifty (50) teeth to a complete set. There are ten (10) Short Plow Bolt Bits (Carlton part #0450121) and forty (40) Plow Bolt Bits (Carlton part #0450120). • DO NOT OPERATE A MACHINE...
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3500D SERVICING CUTTER WHEEL TOOTH ARRANGEMENT • • Inspect pockets, teeth and nuts for damage and Outside pocket teeth are Short Plow Bolt Bits. replace as required. These pockets are angled and welded in place. • You can switch teeth from one outside pocket...
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3500D 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 and not the carbide, thus causing a lot of vibration. Once the shank is angled far enough back, then begin sharpening carbide.
3500D SERVICING HYDRAULICS SAFETY • NEVER SERVICE A MACHINE WITH THE ENGINE RUNNING, SEVERE PERSONAL INJURY COULD OCCUR. TURN ENGINE OFF THEN REMOVE IGNITION KEY AND DISCONNECT POSITIVE BATTERY CABLE TO AVOID STARTING MACHINE ACCIDENTALLY. • CUTTER WHEEL MUST BE DISENGAGED BEFORE TURNING ENGINE ON/OFF AND BEFORE SERVICING A MACHINE.
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3500D 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.
3500D SERVICING BOOM PIVOT SAFETY • NEVER SERVICE A MACHINE WITH THE ENGINE RUNNING, SEVERE PERSONAL INJURY COULD OCCUR. TURN ENGINE OFF THEN REMOVE IGNITION KEY AND DISCONNECT POSITIVE BATTERY CABLE TO AVOID STARTING MACHINE ACCIDENTALLY. • CUTTER WHEEL MUST BE DISENGAGED BEFORE TURNING ENGINE ON/OFF AND BEFORE SERVICING A MACHINE.
3500D SERVICING BELTS Replacing V-Belt SAFETY • NEVER SERVICE A MACHINE WITH THE ENGINE RUNNING, SEVERE PERSONAL INJURY COULD OCCUR. TURN ENGINE OFF THEN REMOVE IGNITION KEY AND DISCONNECT POSITIVE BATTERY CABLE TO AVOID STARTING MACHINE ACCIDENTALLY. • CUTTER WHEEL MUST BE DISENGAGED BEFORE TURNING ENGINE ON/OFF AND BEFORE SERVICING A MACHINE.
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3500D SERVICING BELTS Replacing V-Belt • Remove the belt keeper at the jackshaft pulley for easier belt removal. REMOVE THIS BELT KEEPER • Remove and replace the engine belt. • If you have difficulty replacing the new belt, you may need to relieve some of the tension that was applied to the old belt.
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3500D SERVICING BELTS Replacing V-Belt • Replace the belt keeper at the jackshaft pulley. • When adjusting engine belt tension, you will also have to adjust engine slide stop. Shorten engine slide handle as you lengthen the linkage assembly. • Loosen the jam nut and turn the handle one turn and check to see if the engine is locked in the disengaged position.
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3500D SERVICING BELTS Replacing Poly Chain Belt ® SAFETY • NEVER SERVICE A MACHINE WITH THE ENGINE RUNNING, SEVERE PERSONAL INJURY COULD OCCUR. TURN ENGINE OFF THEN REMOVE IGNITION KEY AND DISCONNECT POSITIVE BATTERY CABLE TO AVOID STARTING MACHINE ACCIDENTALLY.
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3500D SERVICING BELTS Replacing Poly Chain Belt ® • Loosen, do not remove, the nuts on the bolts that are holding the belt guard to the machine. • Loosen Poly Chain belt by moving ® jackshaft bearings back toward rear of machine.
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3500D SERVICING BELTS Replacing Poly Chain Belt ® • Remove old belt and replace with new one. • Replace the belt over the jackshaft sprocket first. Put the cutter wheel sprocket and the Poly Chain belt on the cutter wheel shaft at ®...
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3500D SERVICING BELTS Replacing Poly Chain Belt ® • Check belt alignment using a straight edge. Adjust belt alignment by loosening one jackshaft bearing jam bolt and tightening the other bearings jam bolt. Make only slight adjustments and recheck alignment. The...
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3500D SERVICING BELTS Replacing Poly Chain Belt ® • Retighten the bolts in the jackshaft bearings when the tension is adjusted properly. • Retighten the nuts on the bolts that are holding the belt guard to the machine. • Replace belt guard cover and bottom.
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3500D SERVICING BELTS Replacing Poly Chain Belt ®...
• PLACE THE CUTTER WHEEL ON THE GROUND WHEN PERFORMING SERVICE ON A MACHINE. In all Carlton® model Stump Grinders, you will find link belt bearings that are made to be purged with grease. It is necessary to purge these bearings everyday until clean grease is seen.
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3500D SERVICING BEARINGS Replacing Jackshaft Bearings • Remove the Poly Chain guard cover and ® bottom cover. Follow the instructions in the Servicing Belts section to remove the Poly Chain belt. ® SPROCKET • Measure the distance from the jackshaft end to the bushing to place the bushing in the same place on the new shaft.
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3500D SERVICING BEARINGS Replacing Jackshaft Bearings • Remove the four bolts holding the jackshaft bearings in place. Remove old bearings and shaft. • Replace with new bearings and shaft. Be sure to turn the end of the jackshaft with the longest...
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3500D SERVICING BEARINGS Replacing Jackshaft Bearings • Replace the Poly Chain belt. Follow the ® instructions in the Servicing Belts section for replacing the Poly Chain belt. DO NOT ® ADJUST THE BELT TENSION AT THIS TIME. • The cutter wheel sprocket will be replaced when replacing the belt.
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3500D SERVICING BEARINGS Replacing Jackshaft Bearings • Line the jackshaft pulley up with the engine pulley using a straight edge. • When the pulleys are aligned, tighten the screws in the jackshaft pulley. Recheck the alignment to be sure nothing changed. Torque the screws in the jackshaft pulley to 30 ft.
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3500D SERVICING BEARINGS Replacing Jackshaft Bearings • There are two setscrews in each bearing lock collar. Tighten one setscrew in each collar and remove the other setscrew. Punch a start point in the shaft and drill 3/8” diameter hole in jackshaft just deep enough for setscrew to enter shaft.
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• PLACE THE CUTTER WHEEL ON THE GROUND WHEN PERFORMING SERVICE ON A MACHINE. In all Carlton® model Stump Grinders, you will find link belt bearings that are made to be purged. It is necessary to purge these bearings everyday until clean grease is seen. CAUTION should be taken not to allow grease to build up inside the belt guards.
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3500D SERVICING BEARINGS Replacing Cutter Wheel Bearings • Loosen the setscrews in the locking collars of the bearings. You may need to heat bearing collar to loosen the LocTite that was used during assembly. • To remove the bearings from the cutter wheel shaft, use a steel hammer to strike the bearing housing until it cracks and breaks apart.
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3500D SERVICING BEARINGS Replacing Cutter Wheel Bearings Replace the Poly Chain belt. Follow the ® instructions in the Servicing Belts section for replacing and tensioning the Poly Chain belt. ® NOTE: Refer to SERVICING BELTS section for proper installation and tensioning of all belts.
3500D SERVICING STUB SHAFT SAFETY • NEVER SERVICE A MACHINE WITH THE ENGINE RUNNING, SEVERE PERSONAL INJURY COULD OCCUR. TURN ENGINE OFF THEN REMOVE IGNITION KEY AND DISCONNECT POSITIVE BATTERY CABLE TO AVOID STARTING MACHINE ACCIDENTALLY. • CUTTER WHEEL MUST BE DISENGAGED BEFORE TURNING ENGINE ON/OFF AND BEFORE SERVICING A MACHINE.
3500D SERVICING STUB SHAFT • Next you will need to remove the REMOVE jackshaft sheave. Remove the bolts in BOLTS AND SCREW INTO the jackshaft sheave and screw them EXTRA HOLES back into the empty threaded holes to push the sheave off the bushing and remove the bushing and sheave.
3500D SERVICING STUB SHAFT • You can now remove the bearing supported stub shaft plate. Remove the bolts holding the shaft plate to the engine. There are eleven 10MM bolts to remove. Pull the plate straight off. • There are two threaded holes that can be used to push the shaft plate off the engine mount.
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3500D SERVICING STUB SHAFT • Replace any parts found defective or worn. Put stub shaft coupling plate onto the flywheel. The plate is attached using eight 10MM-1.5 x 20MM bolts with a lock washer. Put LocTite 242 (blue) ® on the end of the bolt and lightly tighten all bolts.
3500D SERVICING STUB SHAFT • Bolt grease fitting to the air filter bracket. • Before starting the engine, apply grease to the grease fitting until the pin on the opposite side of the stub shaft pops out (see Machine Maintenance section for more information).
3500D HYDRAULIC ASSEMBLY REMOTE CONTROL HYDRAULIC ASSEMBLY ITEM NO PART NO DESCRIPTION 0300150A Valve Manifold Assembly 0300142 Hydraulic Pump 0300105G Tongue Cylinder - 3 x 48 0300105E Lift Cylinder - 3 x 10 0300105D Swing Cylinder - 3 x 8...
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3500D HYDRAULIC ASSEMBLY REMOTE CONTROL HYDRAULIC ASSEMBLY...
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3500D HYDRAULIC ASSEMBLY REMOTE MANIFOLD ASSEMBLY ITEM NO PART NO DESCRIPTION 0300150A Aluminum Manifold Block 0300150AB Solenoid Valve - DO3 0300150AA Swing Speed Control Cartridge 0300120A Counter Balance Cartridge Valve – LKN Relief Cartridge Valve – Sun Lift Speed Adjustment - NCCB-KAN...
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3500D HYDRAULIC ASSEMBLY SWING OUT CONTROLS HYDRAULIC ASSEMBLY ITEM NO PART NO DESCRIPTION 0300130 Hydraulic Control Valve 0300142 Hydraulic Pump 0300105G Tongue Cylinder - 3 x 48 0300105E Lift Cylinder - 3 x 10 0300105D Swing Cylinder - 3 x 8...
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3500D HYDRAULIC ASSEMBLY SWING OUT CONTROLS HYDRAULIC ASSEMBLY...
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3500D HYDRAULIC ASSEMBLY LIFT CYLINDER ASSEMBLY – 3 X 10 (Assembly Part # 0300105E) ITEM NO PART NO DESCRIPTION Body Assembly Lock Nut 1 1/4”-12 Crown Seal Piston O-Ring Piston Rod O-Ring Bu-Washer Square Retaining Ring U-Cup End Cap Rod Wiper...
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3500D HYDRAULIC ASSEMBLY SWING CYLINDER ASSEMBLY – 3 X 8 (Assembly Part # 0300105D) ITEM NO PART NO DESCRIPTION Body Assembly Lock Nut 1”-14 Crown Seal Piston O-Ring Piston Rod O-Ring Bu-Washer Square Retaining Ring U-Cup End Cap Rod Wiper...
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3500D HYDRAULIC ASSEMBLY TONGUE CYLINDER ASSEMBLY – 3 X 48 (Assembly Part # 0300105G) ITEM NO PART NO DESCRIPTION 0300089 Body Assembly 0150222 Lock Nut 1”-14 0300164 Piston Ring 0300151 O-Ring 0300166 Bu-Washer 0300161 Piston 0300149 O-Ring 0300090 Piston Rod...
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3500D HYDRAULIC ASSEMBLY HYDRAULIC PUMP ASSEMBLY (Part # 0300142) ITEM NO PART NO DESCRIPTION 0300170 Bolts 0300171 Dowel Pins 0300172 Snap Ring 0300173 Front Plate 0300174 Back Plate 0300175 Bearing Case Assembly 0300176 Pump Body 0300177 Drive Gear 0300178 Idler Gear...
3500D ENGINE BELT ASSEMBLY ITEM NO PART NO DESCRIPTION 0400104 Engine Belt – 4B82 0250105 Sheave - 4B5.4 0250179 Bushing - SD 1 1/2” 0250106 Sheave - 4B13.6 0250122 Bushing - SK 1 11/16” A160T013 Key - 3/8” Sq. x 1 7/8”...
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3500D ENGINE BELT ASSEMBLY NOTE: Make sure the grease fitting is on top of the stub shaft assembly before bolting the stub shaft plate into place, as illustrated in the Servicing Stub Shaft Section of the manual. Remove the grease fitting on the new stub shaft and replace with the Grease Fitting Extension Unit (#25).
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