Page 1 Model SP4012 Equipped with a 27HP Kohler Engine Machine Serial # _____________ Engine Model & Spec # _____________ Engine Serial # _____________ Purchase Date _____________ Dealer _____________ Carlton J.P.Carlton Company Div. D.A.F. Inc. 121 John Dodd Road Spartanburg, SC 29303 Ph.
Page 3 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.
Page 5 SP4012 SAFETY ALERT...
Page 7 SP4012 SAFETY ALERT...
Page 9 SP4012 SAFETY ALERT...
Page 11 SP4012 SAFETY ALERT DIESEL MACHINES ONLY...
Page 13 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 15 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 17 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 19: Table Of Contents
SP4012 TABLE OF CONTENTS INTRODUCTION FOREWORD GENERAL INFORMATION MACHINE FEATURES MACHINE SPECIFICATIONS OPERATION SAFETY PRECAUTIONS DAILY CHECKLIST MACHINE CONTROLS TRANSPORTING MACHINE OPERATION MAINTENANCE MACHINE MAINTENANCE LUBRICATION CHART TROUBLE SHOOTING GUIDE SERVICING BELTS SERVICING BEARINGS SERVICING FRONT AXLE SERVICING BOOM PIVOT...
Page 21: Foreword
Model SP4012 is designed and intended for use in unique situations where size ® and maneuverability are foremost. As a result, the Model SP4012 has its own unique operational requirements. Read this manual carefully and TAKE RESPONSIBILITY for thoroughly familiarizing yourself with the controls and the concepts behind the operation of this machine before attempting to operate it.
Page 22: General Information
Any reference made to right, left, front or rear in relationship to the stump grinder 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.
Page 23: Machine Features
SP4012 MACHINE FEATURES • • • Gas Power Large hydraulic tank Safety tie down loops • • • Direct drive hydraulic Adjustable Timken 1/4” plate fenders • pump tapered roller bearings in Epoxy primer • • the pivot head with...
Page 24: Machine Specifications
SP4012 MACHINE SPECIFICATIONS Engine ............Kohler Command 27HP Weight............1550 Lbs. Length ............8’ 6” Height.............46” Width..............35” Cutting Depth Below Ground..........13” Cutting Height Above Ground..........34” Cutter Head Swing.........40” arc Number of Teeth on Cutter Wheel ..........20 Cutter Wheel Diameter w/Teeth...........21” Cutter Wheel Thickness.........1” Blanchard Ground Jackshaft Bearings .........1 7/16”...
Page 25: Safety Precautions
SP4012 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 26 (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 27 Keep cutter wheel skirt guards in good condition to help control chips during grinding. • Keep safety and instructional decals clean and replace any that Decals may be are damaged, difficult to read, or missing. purchased from J. P. Carlton or an authorized dealer.
Page 28 SP4012 SAFETY PRECAUTIONS...
Page 29 SP4012 SAFETY PRECAUTIONS ATTENTION: The Carlton Model SP4012 Stump Grinder CAN be overturned on steep inclines. ® This can cause serious injury to operator and machine. DO NOT OVERTURN! P/N 0700024 • Avoid steep side inclines when operating this machine! The narrow design width...
Page 30: Daily Checklist
REPLACE WITH MANUFACTURER RECOMMENDED AIR FILTER ONLY. • Check hydraulic oil level. This Carlton CORRECT POSITION stump grinder is equipped with a gauge that shows the level of oil and the temperature of the oil. When filling the...
Page 31: Machine Controls
SP4012 MACHINE CONTROLS ENGINE CONTROLS - Refer to engine manufacturers owners’ manual for controls, operation, and service. • The Key Switch for starting the engine is located on the Kohler engine. There is CHOKE also a choke lever and throttle lever on the engine.
Page 32 SP4012 MACHINE CONTROLS UNIT TRAVEL - (lever 2) • Push or pull control lever to control travel, forward or reverse. This lever controls the dual drive motors on the rear wheels. The Cutter Head may be moved in any of three directions.
Page 33 SP4012 MACHINE CONTROLS GROUND STAKE • Pushed firmly into the ground, the stake anchors the machine against pressure during cutting. Provides a “push point” for tongue extension. Ground stake must be used during operation. The hydraulic motor will not keep machine from creeping while grinding stump.
Page 34 SP4012 MACHINE CONTROLS Gear Selector Freewheeling Valve Travel Speed Swing Speed Adjustment Adjustment GEAR SELECTOR • Push switch up to run machine at high gear and push switch down to run machine at low gear. Machine has more climbing power in low gear.
Page 35 SP4012 MACHINE CONTROLS OPTIONAL 4-WHEEL DRIVE AND BLADE FUNCTIONS If a machine is ordered as a 4-wheel drive unit, it will come with drive motors on the front as well as the rear wheels. The 4- wheel drive unit can also be supplied with a Blade option.
Page 36 SP4012 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 standard machine. Instead of having the machine mounted control...
Page 37 REMOVE THE COVER ON THE REMOTE RECEIVER AND DRILL HOLES TO ATTACH THE RADIO RECEIVER machine electronics. Contact your Carlton dealer if you need assistance not the radio control manufacturer. • The radio transmitter and receiver will be programmed at the factory when purchased as a set.
Page 38 SP4012 MACHINE CONTROLS OPERATION – WIRELESS GEAR SWITCH - HIGH POSITION • THE CUTTER WHEEL MUST BE DISENGAGED BEFORE STARTING THE MACHINE. • To start the engine and radio control transmitter, follow these instructions. • On the machine, turn the ignition key...
Page 39 SP4012 MACHINE CONTROLS OPTIONAL REMOTE CONTROL 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...
Page 40 SP4012 MACHINE CONTROLS LOW BATTERY LIGHT TROUBLESHOOTING 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 operate the transmitter.
Page 41: Transporting
The model SP4012 can be loaded into a pick-up truck, but requires increased safety precautions against tipping. Tie-downs, a sturdy and stable loading ramp and extra caution are required.
Page 42 SP4012 TRANSPORTING • THE TRAILER MUST BE SECURELY ATTACHED TO THE TOW VEHICLE BEFORE LOADING OR UNLOADING THE STUMP GRINDER. • DO NOT LOAD OR UNLOAD ON ANYTHING OTHER THAN LEVEL GROUND. LOADING • Check valve to make sure machine is NOT in freewheeling mode.
Page 43: Machine Operation
SP4012 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.
Page 44 SP4012 MACHINE OPERATION • Reduce engine RPM to idle. • Raise cutter head clear of stump. • Engage cutter head drive belts by slowly rotating engagement lever. • Increase engine RPM to full. • Test controls for proper operation, speed, and unobstructed movement.
Page 45 SP4012 MACHINE OPERATION • Swing cutter wheel clear of stump and extend tongue to position machine closer to stump for next series of passes. Lower and continue cutting. • Continue in this manner until stump has been removed. • Larger stumps may require repositioning machine to work at best advantages.
Page 46: Machine Maintenance
• Check engine oil at dipstick daily; take reading with engine sitting level (see photos). Add recommended oil and change oil as required. (See engine owners’ manual.) INCORRECT POSITION SP4012 Engine Filters 0200102C Air - Main Filter 0200102D Air - Safety Filter 0200102E1...
Page 47 SP4012 MACHINE MAINTENANCE • Check hydraulic oil level daily. This Carlton stump grinder is equipped with a gauge that shows the level of oil and the temperature of the oil. When filling the tank with oil, the window of the gauge will also fill with oil, as the level gets higher in the tank.
Page 48 SP4012 MACHINE MAINTENANCE • Check cutter wheel, pockets, and teeth for wear. If any repair is needed, see “Servicing Cutter Wheel” section for further instruction. Always clean tip of grease gun fitting and grease fitting on machine before attaching hose to prevent dirt from being forced into machine parts.
Page 49 SP4012 MACHINE MAINTENANCE • Remove bottom portion of guard and clean out Poly Chain Guard weekly. ® Chip build up will wear Poly Chain ® Belt. • Grease boom pivot Monthly. Use Texaco Starplex II grease. DO NOT ® OVER GREASE.
Page 50: Lubrication Chart
SP4012 LUBRICATION CHART • The model SP4012, 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.
Page 51: Trouble Shooting Guide
SP4012 TROUBLE SHOOTING GUIDE COMPLAINT CAUSE CORRECTION • Loose ground wire. • Clean and tighten. Engine will not start. (See Engine • Loose hot wire. • Clean and tighten. Manufacturers Manual for further • Dead battery. • Recharge or replace.
Page 52 SP4012 TROUBLE SHOOTING GUIDE COMPLAINT CAUSE CORRECTION • Belt not engaged. • Adjust yoke assembly. Cutter wheel stops turning. • Engine belt broke. • Replace belt. • Replace belt. • Poly chain ® belt broke. • Replace key. • Sheared key in shaft.
Page 53: Servicing Belts
SP4012 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.
Page 54 SP4012 SERVICING BELTS REPLACING V-BELT • As you pull the pump off, the pump coupler and a rubber insert will come off with it. Take note of the insert and do not lose it. • Remove old belt and replace with new one.
Page 55 SP4012 SERVICING BELTS REPLACING V-BELT • Use the linkage between the engagement handle and the idler arm, located on the operators’ side of the machine, to adjust ENGAGEMENT LINKAGE REMOVE COTTER PIN the belt tension. Remove the cotter pin and the clevis pin from one side of the linkage assembly.
Page 56 SP4012 SERVICING BELTS REPLACING V-BELT • Replace the clevis pin and the cotter pin onto the linkage assembly. • After belt tension is adjusted properly, replace pump drive. Make sure that the rubber insert is in place when replacing pump drive. Replace belt keeper on idler pulley and retighten the beehive belt keepers.
Page 57 SP4012 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.
Page 58 SP4012 SERVICING BELTS ® REPLACING POLY CHAIN BELT • Loosen Poly Chain belt by moving ® jackshaft bearings. MARK THE BEARINGS SO THAT YOU KNOW HOW THEY ARE POSITIONED ON THE JACKSHAFT PLATE. Loosen bolts on bearing closest to Poly Chain ®...
Page 59 SP4012 SERVICING BELTS ® REPLACING POLY CHAIN BELT • Remove old belt and replace with new one. Do not pry new belt over sprockets since this can break the fibers in the Poly Chain belt. Check ® alignment of Poly Chain sprockets ®...
Page 60 SP4012 SERVICING BELTS ® REPLACING POLY CHAIN BELT...
Page 61: Servicing Bearings
DISMEMBERMENT. • 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 till clean grease is seen.
Page 62: Servicing Bearings
SP4012 SERVICING BEARINGS Replacing Jackshaft Bearings • Remove Poly Chain belt guard cover. ® • Remove Poly Chain sprocket by ® removing the bolts inside the sprocket and tapered bushing. Then screw one bolt into third hole to push sprocket off tapered bushing to remove.
Page 63 SP4012 SERVICING BEARINGS Replacing Jackshaft Bearings • Remove old bearings and shaft and replace with new bearings and shaft. Be sure to turn jackshaft with the longest keyway pocket toward the Poly Chain ® belt side of the boom and make sure that the locking collars on the bearings are facing inward.
Page 64 SP4012 SERVICING BEARINGS Replacing Jackshaft Bearings • Using a straight edge, align the engine pulley with the jackshaft pulley and place bushing in and tighten the three bolts down. As you tighten the bushing, make sure that the pulleys stay aligned.
Page 65 DISMEMBERMENT. • 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 bearing everyday until clean grease is seen. CAUTION should be taken not to allow grease to build up inside the belt guards.
Page 66 SP4012 SERVICING BEARINGS Replacing Cutter Wheel Bearings • Loosen jam bolts in the back of the jackshaft bearings and move bearings back to remove the Poly Chain belt. ® You may need to unbolt V-belt guard and lift jackshaft end up to remove belt.
Page 67 SP4012 SERVICING BEARINGS Replacing Cutter Wheel Bearings • Remove Poly Chain sprocket by ® removing the bolts inside the sprocket and tapered bushing. Then screw one bolt into third hole to push sprocket off tapered bushing to remove. • Take out the three bolts that hold the...
Page 68 SP4012 SERVICING BEARINGS Replacing Cutter Wheel Bearings • Bolt bearings and cutter wheel back to boom box and tighten bolts down. • Place Poly Chain sprocket and tapered ® bushing back onto cutter wheel shaft and tighten bolts. Replace Poly Chain belt.
Page 69 SP4012 SERVICING BEARINGS Replacing Cutter Wheel Bearings • There are two setscrews in each bearing. Tighten one of them down, remove one, and punch a start point in the shaft to drill a 5/16” diameter hole just deep enough for the screw to enter the shaft.
Page 70: Servicing Front Axle
SP4012 SERVICING FRONT AXLE 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.
Page 71: Servicing Boom Pivot
SP4012 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.
Page 72: Servicing Cutter Wheel
See Cutter Wheel Assembly for • There are twenty (20) teeth to a complete set breakdown. on the model SP4012. Two (2) straight teeth, nine (9) left 45° teeth and nine (9) right 45° teeth. • A locking pin is provided to hold cutter wheel in position during tooth removal and re-installation.
Page 73 SP4012 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. • When replacing pockets, always replace • When replacing complete set of teeth, be...
Page 74 Dura Disk II cutter wheel, there are thirty-two (36) teeth to a complete set. There are twelve (12) Short Plow Bolt Bits (Carlton part #0450131) and twenty-four (24) Plow Bolt Bits (Carlton part #0450130). • DO NOT OPERATE A MACHINE...
Page 75 General Information section.) NOTE TOOTH PLACEMENT IN EACH POCKET ROTATION LEFT SIDE CARLTON SP4012 TRIUMPTH MANUAL It may be necessary to use a 1 1/4” hole saw to remove debris around nut to make tooth removal easier.
Page 76: Servicing Cutter Wheel
SP4012 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.
Page 77: Servicing Hydraulics
PROTECTION. HYDRAULIC OIL & FILTER • Check hydraulic oil level daily. This Carlton stump grinder is equipped with a gauge that shows the level of oil and the temperature of the oil. When filling the tank with oil, the window of the gauge will also fill with oil, as the level gets higher in the tank.
Page 78 10 hours. Replace with the same type of in-tank filter element supplied originally, available through Carlton or Carlton dealers. From this point on, change the filter every 200 hours of operation. • Change hydraulic oil every 500 hours of operation or at least once a year depending on use.
Page 79 SP4012 SERVICING HYDRAULICS REPLACING HYDRAULIC PUMP • Engine must be shut off. • Disconnect hydraulic lines from pump and cap them. • Remove bolts holding mounting plate to machine (located at 6 & 12 o’clock position) • Remove plate/pump assembly by pulling assembly straight out.
Page 80: Machine Wiring
SP4012 MACHINE WIRING STANDARD WIRING DIAGRAM...
Page 81 SP4012 MACHINE WIRING REMOTE WIRING DIAGRAM...
Page 82 SP4012 MACHINE WIRING REMOTE BOX WIRING DIAGRAM...
Page 83: Machine Wiring
SP4012 MACHINE WIRING RADIO WIRING DIAGRAM SEE RADIO CONTROL MANUAL, INCLUDED IN THIS MANUAL, FOR MORE INFORMATION.
Page 84: Hydraulic Assembly
SP4012 HYDRAULIC ASSEMBLY HYDRAULIC INLET ASSEMBLY ITEM NO PART NO DESCRIPTION 0300199 Work Section 0300142G Hyd Pump 4012 –Bucher 0300354J1 3/4 Hose - 3/4 FJ45T- Dayco 0300212 3/4 JIC - 5/8 ORB - 6400-12-10 0300219 1/2 JIC - 1/2 ORB 90 - 6801-8...
Page 85 SP4012 HYDRAULIC ASSEMBLY STEERING HYDRAULIC ASSEMBLY ITEM NO PART NO DESCRIPTION 0300199 Work Section 0300105A Hydraulic Cylinder - 2x4 0300257 3/8 JIC- 1/2 ORB - 6400-6-8 0300279 3/8JIC-1/2ORB45 - 6802-6-8 H250426 Hose Assembly H250425 Hose Assembly...
Page 86 SP4012 HYDRAULIC ASSEMBLY TRACTION HYDRAULIC ASSEMBLY ITEM NO PART NO DESCRIPTION 0300199 Work Section 0300138 Vickers Needle Cartridge 0300127C Deltroll Freewheel Valve Ctg 0300128 2500 Series-Parallel Module 0300120A C/B Cartridge Valve - CBCG-LKN 0300118A1 Hyd Mtr - 2500-4 Drv w/ 2 Mtrs RH...
Page 87 SP4012 HYDRAULIC ASSEMBLY LIFT HYDRAULIC ASSEMBLY ITEM NO PART NO DESCRIPTION 0300199 Work Section 0300122 Lift Valve Body - ECB 0300120 C/B Cartrdige Valve - CBCA-LHN 0300105F Hydraulic Cylinder - 3x12 0300257 3/8 JIC- 1/2 ORB - 6400-6-8 0300224 1/2FP-1/2FP-1/2MPTee5602-8...
Page 88 SP4012 HYDRAULIC ASSEMBLY TONGUE HYDRAULIC ASSEMBLY ITEM NO PART NO DESCRIPTION 0300199 Work Section 0300105B Hydraulic Cylinder - 2 1/2 x 30 0300257 3/8 JIC- 1/2 ORB - 6400-6-8 0300215 3/8JIC-1/2MP90 - 2501-6-8 H250423 Hose Assembly H250424 Hose Assembly...
Page 89 SP4012 HYDRAULIC ASSEMBLY SWING HYDRAULIC ASSEMBLY ITEM NO PART NO DESCRIPTION 0300199 Work Section 0300138 Vickers Needle Cartridge 0300127A 25-4 Swg Mnfld with Ndle Cvty 0300120A C/B Cartridge Valve - CBCG-LKN 0300105 Hydraulic Cylinder - 2x4 0300257 3/8 JIC- 1/2 ORB - 6400-6-8...
Page 90 SP4012 HYDRAULIC ASSEMBLY HYDRAULIC RETURN ASSEMBLY ITEM NO PART NO DESCRIPTION 0300199 Work Section 0300135E Hydraulic In Tank Filter STF 0300135F Hydraulic In Tank Filter Eleme 0300266A Hydraulic Site Gauge w/Temp 0300236 1/2 JIC-1/2 ORB- 6400-8 0300245A 1/2 JIC- 3/4 ORB - 6400-8-12 0150712H 7/16-14 x 1 1/2"...
Page 91 SP4012 HYDRAULIC ASSEMBLY CONTROL VALVE ASSEMBLY ITEM NO PART NO DESCRIPTION 0300199F Work Section - SVS1GA1AA 0300199G Valve Section - SVH1BA1AA 0300199H Prince Inlet Section - SVI 0300199I Outlet Section – SVE 0300064 Relief Valve 0300261 Steel Plug, 1/2 SAE...
Page 92 SP4012 HYDRAULIC ASSEMBLY CONTROL VALVE ASSEMBLY...
Page 93 SP4012 HYDRAULIC ASSEMBLY OPTIONAL: STEERING HYDRAULIC ASSEMBLY (ALL WHEEL DRIVE) ITEM NO PART NO DESCRIPTION 0300199 Work Section 0300105W Hydraulic Cylinder – 2 x 6 0300257 3/8 JIC- 1/2 ORB - 6400-6-8 1/2" O-Ring - 3/8” JIC 90° H250426 Hose Assembly...
Page 94 SP4012 HYDRAULIC ASSEMBLY OPTIONAL: TRACTION HYDRAULIC ASSEMBLY (ALL WHEEL DRIVE) ITEM NO PART NO DESCRIPTION 0300199 Work Section 0300138 Vickers Needle Cartridge 0300127C Deltroll Freewheel Valve Ctg 0300128 2500 Series-Parallel Module 0300120A C/B Cartridge Valve - CBCG-LKN 0300118A1 Hyd Mtr - 2500-4 Drv w/ 2 Mtrs RH...
Page 95 SP4012 HYDRAULIC ASSEMBLY OPTIONAL: TRACTION HYDRAULIC ASSEMBLY (ALL WHEEL DRIVE)
Page 96 SP4012 HYDRAULIC ASSEMBLY OPTIONAL: BLADE HYDRAULIC ASSEMBLY ITEM NO PART NO DESCRIPTION 0300199 Work Section 0300105A Hydraulic Cylinder – 2x4 0300257 3/8 JIC- 1/2 ORB - 6400-6-8 1/2" O-Ring - 3/8” JIC 90° Hose Assembly Hose Assembly...
Page 97: Front Axle Assembly
SP4012 FRONT AXLE ASSEMBLY ITEM NO PART NO DESCRIPTION 05500091 Tire Assembly 25-4 5 Lug 0550102 Lug Nut - 1/2-20 2300289 R/H Steering Frame 2300290 L/H Steering Frame 0550208 E/Z Lube Grease Seal 0550209 Inner Bearing - 3500# 0550210 Inner Bearing Race - 3500# 0550009H Hub w/Cups &...
Page 98: Front Axle Assembly
SP4012 FRONT AXLE ASSEMBLY Part # 8 comes complete with parts # 9, 10, 11, 12, 13, 28, & 29 as shown for front wheel. All parts can be purchased separately also.
Page 99 SP4012 FRONT AXLE ASSEMBLY OPTIONAL: ALL WHEEL DRIVE ITEM NO PART NO DESCRIPTION 05500091 Tire Assembly 25-4 5 Lug 0550102 Lug Nut – 1/2-20 14060030 Weldment, Mount, AWD Motor, RH 14060031 Weldment, Mount, AWD Motor, LH 0550208 E/Z Lube Grease Seal...
Page 100 SP4012 FRONT AXLE ASSEMBLY OPTIONAL: ALL WHEEL DRIVE...
Page 101: Rear Wheel Assembly
SP4012 REAR WHEEL ASSEMBLY ITEM NO PART NO DESCRIPTION 0300118A1 Hyd Mtr - 2500-4 Drv w/ 2 Mtrs – RH 0300118A11 Hyd Mtr - 2500-4 Drv w/ 2 Mtrs – LH 0150304 1/2 Flat Washer 0150106G 1/2"-13 x 2 3/4" HHCS...
Page 102 SP4012 REAR WHEEL ASSEMBLY DUAL WHEEL ASSEMBLY (Parts List For Two Assemblies, Only One Shown.) ITEM NO PART NO DESCRIPTION 2500357A Dual Wheel Hub – 5 Bolt 2500358A Dual Wheel Spacer – 5 Bolt 05500091 Tire Assembly 25-4 5 Lug 0550102 Lug Nut –...
Page 103: Pivot Assembly
SP4012 PIVOT ASSEMBLY LOWER PIVOT ASSEMBLY TWO WHEEL DRIVE WITH TONGUE EXTENSION ITEM NO PART NO DESCRIPTION 2300189 Lift Pivot Shaft - 2500 0150801 Hardened Spring Bushing - 1" 0150308 1" SAE Flat Washer 0150209 1-14 Hex Castle Nut 0150501 Cotter Pin - 3/16"...
Page 104 SP4012 PIVOT ASSEMBLY UPPER PIVOT ASSEMBLY ITEM NO PART NO DESCRIPTION 2300159 Swing Pivot Shaft - 1" - 23/25 0150801 Hardened Spring Bushing - 1" 0500201 Race - 23/25 # 15250 0500121 Bearing - 1" - 23/25 # 15100 0500407...
Page 105 SP4012 PIVOT ASSEMBLY LOWER PIVOT ASSEMBLY (OPTION: ALL WHEEL DRIVE) ITEM NO PART NO DESCRIPTION 2300189 Lift Pivot Shaft -2500 0150801 Hardened Spring Bushing - 1" 0150308 1” SAE Flat Washer 0150209 1-14 Hex Castle Nut 0150501 Cotter Pin - 3/16” x 2”...
Page 106: Boom Assembly
3/8-16 x 1" Hex Cap Screw 0150404 3/8 Lock Washer 0250119 Bushing - 25 Engine -SH 1 7/16 0250101 Sheave 2500 SP4012 4/3V3.0 Key - 3/8" x 5/16" x 1 1/4" 0150120 5/16-18 x 1" HSHCS 0250133 Coupling - 23/25 Engine...
Page 107 SP4012 BOOM ASSEMBLY ENGINE BELT ASSEMBLY 30-SP4012K-BOOMASY_c.doc...
Page 108 SP4012 BOOM ASSEMBLY BELT ENGAGEMENT ASSEMBLY ITEM NO PART NO DESCRIPTION 2300214 Engagement Handle - 2500 0400202 Handle Grip – 3/4" 0150501 Cotter pin - 3/16" x 2" 0150307 3/4" Flat Washer 2300240 Linkage Assembly – 2500-4 0150603 Clevis Pin - 1/2 x 1 3/8 0150502 Bridge Pin - 1/8"...
Page 109 SP4012 BOOM ASSEMBLY 30-SP4012K-BOOMASY_c.doc...
Page 110 SP4012 BOOM ASSEMBLY JACKSHAFT ASSEMBLY ITEM NO PART NO DESCRIPTION 2300185A Jack Shaft TL - 1 7/16" 23/25 A160T01 Key - 3/8 sq. x1 1/2 0500112 Bearing - 1 7/16" - Link Belt 0150106F 1/2-13 X 2 1/4 HCS 0150304...
Page 111 0250115F 2012 1 7/16" Taper Lock Bshn 0250115A PC Sprkt 8M-40S-62 Taper Lock 7/16"-14 x 1 1/2" SHCS 0400112 PC 2300 2500 SP4012 8M-1200-62 2300225 PC Guard Bottom - 2500 0150116 5/16-18 x 1" Hex Cap Screw 0150212 5/16-18 Lock Nut...
Page 112 SP4012 BOOM ASSEMBLY CUTTER WHEEL ASSEMBLY ITEM NO PART NO DESCRIPTION 0500112 Bearing - 1 7/16" - Link Belt 2300184A Cutter Wheel Shaft – 23/25 TL A160T01 Key - 3/8 sq. x1 1/2 2300186 Cutter Wheel – 23/25 2300188 Cutter Wheel Hub SK600A 0250120 Bushing –...
Page 113 SP4012 BOOM ASSEMBLY 30-SP4012K-BOOMASY_c.doc...
Page 114: Cutter Wheel Assembly
Key - 3/8 sq .x1 7/8 A160T014 Key - 3/8 sq. x3 0250122 Bushing – 35/44 JS -SK 1 11/16” 14030053 Sandvik Dura Disk SP4012 2300188 Cutter Wheel Hub - SK600A 2300183A Cutter Wheel Spacers-Diesel Sm 2300183B Cutter Wheel Spacers-Diesel Lg...
Page 115 SP4012 BOOM ASSEMBLY CUTTER WHEEL ASSEMBLY (SANDVIK WHEEL OPTION) 30-SP4012K-BOOMASY_c.doc...
Page 116: Chip Guard Assembly
SP4012 CHIP GUARD ASSEMBLY ITEM NO PART NO DESCRIPTION 2300134 2500 Deck Plate - R/H 2300135 2500 Deck Plate - L/H 0150119 3/8-16 x 3/4 Carriage Bolt 0150303 3/8 Flat Washer 0150207 3/8-16 Lock Nut 2300310 Front Rubber Chip Guard...
Page 117 Behind Tow- 7500 Deutz Turbo Diesel 24" 46" 92" arc 31" 1.5" 60" 4,400 Behind Call and ask about Carlton’s line of Chippers or visit our website: www.stumpcutters.com CARLTON—QUALITY PRODUCTS AND EXCEPTIONAL SERVICE Carlton Owner’s Manual SP4012 Revised: 09/2008 32-SP4012K-Back.doc...
Page 118 WNER ANUAL COMMAND CH18-26, CH730-750 ORIZONTAL RANKSHAFT...
Page 119: Safety Precautions
Safety Precautions To ensure safe operations please read the following statements and understand their meaning. Also refer to your equipment owner's manual for other important safety information. This manual contains safety precautions which are explained below. Please read carefully. WARNING Warning is used to indicate the presence of a hazard that can cause severe personal injury, death, or substantial property damage if the warning is ignored.
Page 120 Safety Precautions (Cont.) WARNING WARNING WARNING Explosive Gas can cause fires and Accidental Starts can cause severe Carbon Monoxide can cause severe severe acid burns. injury or death. nausea, fainting or death. Charge battery only in a well Disconnect and ground spark plug Avoid inhaling exhaust fumes, and ventilated area.
Page 121 Air Cleaner Oil Fill Dipstick Fuel Pump Electric Starter Oil Filter Oil Drain Plug (Each Side) Rectifier-Regulator Figure 1. Typical Command Horizontal Shaft Carbureted Engine. Throttle Body Intake Manifold Ignition Coil Fuel Injectors Ignition Coil Oil Filter Oil Cooler Rectifier-Regulator Figure 2.
Page 122: Oil Recommendations
Refer to Maintenance Instructions beginning on Oil Recommendations page 8 for detailed oil check, oil change, and oil filter Using the proper type and weight of oil in the change procedures. crankcase is extremely important. So is checking oil daily and changing oil regularly. Failure to use the Fuel Recommendations correct oil, or using dirty oil, causes premature engine wear and failure.
Page 123: Operating Instructions
Engine Identification Numbers The Emission Compliance Period referred to on the Emission Control or Air Index label indicates the When ordering parts, or in any communication number of operating hours for which the engine has involving an engine, always give the Model, been shown to meet Federal and CARB emission Specification, and Serial Numbers of the engine.
Page 124 c. If the engine fails to start, repeat steps a and • Check that any clutches or transmissions are disengaged or placed in neutral. This is especially b. If the engine does not start after two important on equipment with hydrostatic drive. The priming intervals, contact your Kohler Engine shift lever must be exactly in neutral to prevent Service Dealer for further assistance.
Page 125: Maintenance Instructions
Stopping Cooling NOTE: If debris builds up on the grass screen or 1. Remove the load by disengaging all PTO driven attachments. other cooling air intake areas, stop the engine immediately and clean. Operating the engine 2. For Carbureted Engines Without A Shutdown with blocked or dirty air intake and cooling areas can cause extensive damage due to Solenoid: Move the throttle to the slow or low...
Page 126 Maintenance Schedule These required maintenance procedures should be performed at the frequency stated in the table. They should also be included as part of any seasonal tune-up. Frequency Maintenance Required • Fill fuel tank. Daily or Before • Check oil level. Starting Engine •...
Page 127 Change Oil and Filter, Service Oil Cooler Change Oil Change oil after every 100 hours of operation (more frequently under severe conditions). Refill with service class SG, SH, SJ or higher oil as specified in the Viscosity Grades table (Figure 3) on page 5. Change the oil while the engine is still warm.
Page 128 9. Start the engine and check for oil leaks. Correct Cover Knob Air Cleaner any leaks before placing the engine into service. Cover Check oil level to be sure it is up to but not over Element the “F” mark. Cover Nut Service Oil Cooler Element Cover...
Page 129 Service Paper Element 2. Pull the air cleaner element out of the housing. Every 100 hours of operation (more often under See Figure 12. extremely dusty or dirty conditions) replace the paper element. Inner Main Element 1. Loosen the cover retaining knob and remove the Element cover.
Page 130: Fuel System
Clean Air Intake/Cooling Areas 3. Check the gap using a wire feeler gauge. Adjust the gap to 0.76 mm (0.030 in.) by carefully To ensure proper cooling, make sure the grass screen, cooling fins, and other external surfaces of the engine bending the ground electrode.
Page 131 EFI Engines: A special, high volume, high pressure Carburetor Troubleshooting and filter with greater filtration capabilities and internal Adjustments surface area is used. See Figure 15. Engines in this series use either a one- or two-barrel carburetor depending on model, and may also be equipped with a Governed Idle System.
Page 132 • If the fuel tank is equipped with a shut-off valve, The system requires an additional procedure for make sure it is open. setting the idle speed. If speed adjustments are required proceed as follows. • If the engine is equipped with an in-line fuel filter, make sure it is clean and unobstructed.
Page 133 adjusting needle in (clockwise). The engine Model CH750 speed may increase, then it will decrease as CH750 engines use a Keihin BK two-barrel carburetor with fixed main jets and fixed or limiter-equipped low the needle is turned in (lean). Note the idle fuel adjusting needles.
Page 134: Troubleshooting
NOTE: The EFI system requires a rather complex When an EFI engine is started cold, the ECU will be wiring harness to carry the electrical signals using internal programming for cold running, and the between the sensors and the ECU. Do not idle speed may vary from the manual setting.
Page 135: Specifications
5. On units with EFI engines, disconnect the Storage negative (-) battery cable or use a battery minder If the engine will be out of service for two months or trickle charger while the unit is in storage. more, use the following storage procedure: 6.
Page 136 LIMITED 2 YEAR COMMAND ENGINE WARRANTY Kohler Co. warrants to the original consumer that each new COMMAND engine sold by Kohler Co. will be free from manufacturing defects in materials or workmanship in normal service for a period of two (2) years from date of purchase, provided it is operated and maintained in accordance with Kohler Co.’s instructions and manuals.
Page 137 For warranty repairs, the engine must be presented to a Kohler Co. service center as soon as a problem exists. Call 1-800-544-2444 or access our website at: www.kohlerengines.com, for the names of the nearest service centers. The warranty repairs should be completed in a reasonable amount of time, not to exceed 30 days. If you have any questions regarding warranty rights and responsibilities, you should contact Kohler Co.

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