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3-Point Stump Grinder

for

Compact Tractors

Operator’s Manual

Set-Up Assembly

Maintenance

Parts Information

Read this Manual Before Use

Содержание 420855

Страница 1: ...3 Point Stump Grinder for Compact Tractors Operator s Manual Set Up Assembly Maintenance Parts Information Read this Manual Before Use ...

Страница 2: ...TIONS 7 8 INSTRUCTIONS FOR SHORTENING THE DRIVELINE 9 OPERATING INSTRUCTIONS 10 12 UNHOOKING THE STUMP GRINDER 13 OPTIONAL EXTERNAL CONTROL 14 ROUTINE MAINTENANCE 15 17 PARTS INFORMATION 18 27 GENERAL SPECIFICATIONS 28 BOLT TORQUE INFORMATION 29 NOTES 30 WARRANTY 31 REFERENCE INFORMATION Write the serial number for your attachment in the spaces below Always refer to this serial number when calling...

Страница 3: ...ser is responsible for inspecting the machine daily and for having parts repaired or replaced when continued use of the machine would cause damage excessive wear to other parts or make the machine unsafe for continued operation If an operating procedure tool device maintenance or work method not specifically recommended is used you must satisfy yourself that it is safe for you and others You must ...

Страница 4: ... protection To protect the operator from hearing loss ear protection is required unless the tractor is equipped with a noise reduction cab that meets OSHA 1910 95 standard Operation continued Hydraulic connections may be hot after use Use gloves if connecting or disconnecting after use Check and be sure all operating controls are in neutral before starting the engine Keep people away from tractor ...

Страница 5: ...arly or later models identification made by serial number may use different parts or it may be necessary to use different procedures in doing a specific operation Safety Decals Locations The locations of the safety decals are shown If these decals are missing damaged or painted over they must be replaced Call Erskine Attachments LLC 218 435 4045 for replacement decals ...

Страница 6: ...er Quantity 2 B A C D E G H J I F Part number 320359 Location Side of driveline shield Quantity 1 Part number 316078 Location LH side of wheel cover Quantity 1 Part number 200001 Location LH side of top frame plate Quantity 1 Part number 320025 Location Side of driveline shield Quantity 1 Part number 201415 Location RH side of bottom frame plate Quantity 1 Part number 313392 Location Back of wheel...

Страница 7: ...er lift arms are an equal height off the ground and adjust if needed refer to your tractor s operator s manual 7 Connect the tractor top link to the frame of the stump grinder using the provided pins There are two holes in the top clevis Use the hole that fits your tractor hitch category and allows for proper adjustment of the attachment 8 Adjust the tractor top link so that the frame of the stump...

Страница 8: ...e is engaged to avoid serious injury or death Make sure PTO driveline and 3pt arms with all appropriate pins are locked in place to avoid serious injury or death 13 Ensure that the tractor drawbar does not interfere with the stump grinder or driveline through the full range of motion Check the drawbar and driveline for clearance when raising the attachment for the first time 14 Connect the hydraul...

Страница 9: ...t on the opposite end Do this on both ends of the driveline IMPORTANT Do not cut until steps 4 and 5 are completed 4 Raise and lower the stump grinder cutting wheel and swing side to side to determine the position with the greatest distance between the PTO shaft and the gearbox input shaft Shut the tractor off leaving the stump grinder in the position of greatest distance between the shafts Secure...

Страница 10: ...he ground 7 Position the tractor so that the stump grinder cutting wheel is above the stump and the cut will be made on the side of the stump nearest to the tractor Lower the stump grinder so that the frame rests on the ground and engage the tractor parking brake To avoid serious injury or death due to rollover NEVER position the tractor sideways on a hill If a stump is on a hill position the trac...

Страница 11: ... attachment chattering 11 After completing the first pass lower the stump grinder for the next pass using the cylinder extension gauge as a reference Every 1 inch on the gauge is about 1 5 to 2 inches of cutting depth 12 Make the next cut this time swinging from left to right 13 Continue to make passes along the stump cutting 3 to 6 inches with each pass until the cutting wheel is grinding the stu...

Страница 12: ...ght for increased down pressure on the frame Counterweights and retaining pins are not supplied with the stump grinder or offered as optional equipment The two brackets are each designed to fit two John Deere 42 lb or two 70 lb suitcase weights Other brands may also work with the weight brackets IMPORTANT The maximum allowable weight limit is 140 lbs 63 5 kg per side and 280 lbs 127 kg total for t...

Страница 13: ...he engine and disconnect the stump grinder hydraulic couplers from the tractor 7 Unhook the driveline from the tractor PTO by compressing the quick release pin on the driveline yoke and sliding the driveline off of the PTO shaft 8 Disconnect the upper and lower 3pt links from the stump grinder 9 With everything disconnected return to the tractor s operator s seat start the engine and slowly drive ...

Страница 14: ...r when the stump grinder is raised and lowered 2 With the operator in the seat of the tractor and the seatbelt fastened start the engine 3 Engage the tractor auxiliary hydraulic flow and lock the flow in the on position NOTE Oil only flows through the valve in one direction If the controls do not operate the attachment reverse the direction of the auxiliary hydraulic flow OR switch the hydraulic c...

Страница 15: ... the first hour of operation check all bolts and set screws Continue to check for loose hardware every 10 hours of operation IMPORTANT These are requirements It is the responsibility of the owner operator to make sure the attachment is serviced on a daily basis Improper maintenance can cause extensive damage to the attachment and or your equipment Use No 2 lithium base gun grease when lubricating ...

Страница 16: ...ks be cleaned in a specific manner Check local state and federal regulations for correct disposal methods Slip Clutch Adjustment Slip clutch may be hot Allow clutch to cool before servicing The slip clutch is factory preset to the correct torque for protecting the attachment and tractor For adjustment use the following steps 1 Measure the length of all springs then loosen all 8 clutch bolts to rem...

Страница 17: ...ractor parked parking brake engaged PTO disengaged engine off stump grinder frame resting on the ground and stump grinder arm supported by safety jacks inspect the cutting teeth for damage and wear 2 To replace a tooth remove the lock nut from the threaded portion of the tooth and remove the tooth from the cutting wheel 3 Remove any dirt or debris from the pocket where the old tooth was removed 4 ...

Страница 18: ...34 W A 5 1 421906 KNUCKLE LONG W A 6 1 421909 DEPTH GAUGE W A 12 2 318731 PIN 1 X 4 88 GRS W A Z 17 1 421298 PIN 1 X 5 75 GRS W A Z 19 2 421974 CYLINDER 2 5 X 17 B B 27 1 315308 PIN LYNCH 1 4 X 1 3 4 33 13 37212 NUT REV LOCK 3 8 NC 34 12 13105 BOLT HEX 3 8 X 1 NC GR 5 35 1 13207 BOLT HEX 1 2 X 1 1 4 NC GR 5 36 1 37214 NUT REV LOCK 1 2 NC ...

Страница 19: ... 4 421980 PIN CLEVIS 1 X 4 75 GRS Z 14 1 421979 PIN 1 50 X 8 25 GRS W A Z 16 1 421977 PIN 1 5 X 5 25 GRS W A Z 24 3 300581 PIN SNAPPER 5 16 X 3 25 1 421972 GEARBOX RC 100F 1 1 46 FLGD 33 14 37212 NUT REV LOCK 3 8 NC GR 5 34 13 13105 BOLT HEX 3 8 X 1 NC GR 5 38 3 13009 BOLT HEX 1 4 X 1 1 2 NC GR 5 39 3 37210 NUT REV LOCK 1 4 NC GR 5 46 10 15361 BOLT HEX 3 4 X 2 NC GR 8 YZ 90 1 421973 DRIVELN CAT4 6...

Страница 20: ... SHIELD RUBBER SG34 SG34 18 1 421982 PIN BENT 38 X 8 W HOLE Z 26 58 421966 TOOTH CARBIDE 3SG SG24 KIT 421997 92 421966 TOOTH CARBIDE 3SG SG34 KIT 421997 33 14 37212 NUT REV LOCK 3 8 NC GR 5 34 13 13105 BOLT HEX 3 8 X 1 NC GR 5 41 7 33220 WASHER FENDER 3 8 X 1 1 2 46 10 15361 BOLT HEX 3 4 X 2 NC GR 8 YZ 47 6 33018 WASHER FLAT 3 4 50 4 37217 NUT REV LOCK 3 4 NC GR 5 54 7 13107 BOLT HEX 3 8 X 1 1 4 N...

Страница 21: ...COVER 24 PAINTED 1 422030 PLATE COVER 34 PAINTED 21 2 100944 PIN 3PT LIFTCAT 1 7 8 22 1 300460 PIN 3PT CAT 1 TOP 3 4 X 3 7 8 SG24 1 104511 PIN 3PT CAT 2 TOP 1 X 4 3 8 SG34 23 3 104432 PIN LYNCH 7 16 X 1 3 4 29 3 330765 THREADED INSERT 1 4 20 UNC YZ 38 3 13009 BOLT HEX 1 4 X 1 1 2 NC GR 5 39 3 37210 NUT REV LOCK 1 4 NC GR 5 40 3 33618 WASHER LOCK 1 4 52 3 13005 BOLT HEX 1 4 X 1 NC GR 5 ...

Страница 22: ...PPT 1 2 10OR M 13 2 421983 VALVE FLOW CONTROL 3SG 14 2 311673 ADPT STR 6MB 6MJ FLOW CONTROL 15 2 330751 ADPT STR 6MB 6JFX FLOW CONTROL 16 2 320089 ADPT ELB 8MB 6MJ 90 CYL ROD ENDS 17 2 421993 HOSE 1 4 X 84 6FJX 6FJX SWING CYL 18 2 421994 HOSE 1 4 X 60 6FJX 6FJX LIFT CYL 19 2 421974 CYLINDER 2 5 X 17 B B 20 2 300839 ADPT REST ELB 8MB 6MJ 90 04 CYL BASE ENDS ...

Страница 23: ...23 PARTS INFORMATION ...

Страница 24: ...84 VALVE 3SG 2 LEVER W CHECK 6 1 421986 PLATE CTRL MOUNT PAINTED 7 2 300581 PIN SNAPPER 5 16 X 3 8 3 13114 BOLT HEX 3 8 X 2 3 4 NC GR 5 9 5 33008 WASHER FLAT 3 8 10 2 37212 NUT REV LOCK 3 8 NC GR 5 13 4 13119 BOLT HEX 3 8 X 4 NC GR 5 SG24 4 13123 BOLT HEX 3 8 X 5 NC GR 5 SG34 14 3 37211 NUT REV LOCK 5 16 NC GR 5 15 5 36306 NUT HEX FULL 3 8 NC GR 5 16 5 103880 WASHER LOCK 3 8 17 3 202031 BOLT HEX 5...

Страница 25: ...25 PARTS INFORMATION ...

Страница 26: ...MP GRINDER OPT CTRL OPT PKG 421998 5 1 421984 VAVLE MANUAL 2 LEVER 6 1 318896 ADPT STR 8MB 8MJ CHECK COMES WITH VALVE 7 2 422037 HOSE 3 8 X 54 8FJX 8FJX 90 LEAD HOSES 8 2 201523 ADPT STR 10MB 8MJ COUPLERS 9 2 200248 COUPLER HYD PPT 1 2 10OR M 10 1 300273 ADPT STR 8MB 8MJ PRESSURE PORT ...

Страница 27: ... VALVE SWING 12 2 300558 ADPT STR 6MB 8MJ 13 2 421983 VALVE FLOW CONTROL 3SG 14 2 311673 ADPT STR 6MB 6MJ FLOW CONTROL 15 2 201925 ADPT STR 8MB 6MJ VALVE LIFT 16 2 320089 ADPT ELB 8MB 6MJ 90 CYL ROD ENDS 17 2 422035 HOSE 1 4 X 60 6FJX 6FJX 90 LIFT CYL 18 2 421993 HOSE 1 4 X 84 6FJX 6FJX SWING CYL 19 2 421974 CYLINDER 2 5 X 17 B B 20 2 300839 ADPT REST ELB 8MB 6MJ 90 04 CYL BASE ENDS ...

Страница 28: ...TO HP 25 60 45 90 Cutting Wheel Diameter 24 34 Number of Teeth 58 92 Cutting Wheel Speed 810 RPM Cutting Height Above Ground 24 26 Cutting Depth Below Ground 12 14 Swing Arc 65 Hitch Cat I or II Cat II Hydraulic Remotes Required 2 Input Speed 540 RPM Operating Weight 740 lbs 1050 lbs ...

Страница 29: ...29 BOLT TORQUE INFORMATION ...

Страница 30: ..._________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ___...

Страница 31: ... liable for incidental or consequential damages or injuries including but not limited to the loss of profit rental or substitute equipment or other commercial loss Purchaser s sole and exclusive remedy being as provided here in above Erskine Attachments LLC must receive immediate notification of defect and no allowance will be made for repairs without our consent or approval This warranty is in li...

Страница 32: ...32 P N 421999 Date Printed 11 5 2018 Erskine Attachments LLC Printed in U S A ...

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