LOFTNESS 60HM Owner'S Manual And Parts Book Download Page 1

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Model Number:

Serial Number:

Date of Purchase:

Hydraulic Flail Mower

60HM

•

72HM

•

90HM

Owner’s Manual and Parts Book

(Originating w/Serial Number 05-468)

N14800 Rev. K

04.09.19

Summary of Contents for 60HM

Page 1: ...Model Number Serial Number Date of Purchase Hydraulic Flail Mower 60HM 72HM 90HM Owner s Manual and Parts Book Originating w Serial Number 05 468 N14800 Rev K 04 09 19 ...

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Page 3: ...s warranty shall not apply to any machine or attachment which shall have been repaired or altered outside the LOFTNESS factory or authorized LOFTNESS dealership or in any way so as in LOFTNESS judgment to affect its stability or reliability nor which has been subject to misuse negligence or accident nor to any machine or attachment which shall not have been operated in accordance with LOFTNESS pri...

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Page 5: ...aulic Safety 8 California Proposition 65 Warning 8 Safety Decal Locations 9 Hydraulic Flail Mower Identification 10 Set up and Operating Instructions Attaching to Loader Using Standard Universal Mounting Plate 11 Hydraulic Connections 11 Checking Belt Tension 11 Operation 12 Operating Speed 12 Maintenance General Maintenance 13 Maintenance Schedule 13 Lubrication 13 Grease Points Location 13 Adjus...

Page 6: ...er 26 Flippers and Skid Shoes 27 Belt Tightener 28 Belt and Sheaves 29 Hydraulic Motor 3400 PSI without Case Drain System 1 13 26 GPM Units 30 Hydraulic Motor 3400 PSI with Case Drain System 2 19 26 GPM Units 32 Hydraulic Motor 4300 PSI System 2 27 43 GPM Units 34 Overhung Load Adapter N16416 36 Machine Decals and Signs 37 Appendix Specifications 39 Dimensions 40 Torque Specifications 41 Inches Ha...

Page 7: ...60 Cut 72 72 Cut 90 90 Cut TYPE HM Hydraulic Flail Mower HYDRAULIC SYSTEM 1 No Case Drain 2 With Case Drain AUXILIARY HYDRAULIC FLOW GPM PRESSURE PSI 02 13 15 GPM System 1 3400 PSI max 03 16 18 GPM System 1 3400 PSI max 04 19 22 GPM System 1 or 2 3400 PSI max 05 23 26 GPM System 1 or 2 3400 PSI max 31 27 29 GPM System 2 4300 PSI max 31 30 33 GPM System 2 4300 PSI max 31 34 37 GPM System 2 4300 PSI...

Page 8: ...2 Hydraulic Flail Mower OM ...

Page 9: ...ontinuous improvement and advancement of Loftness products may result in changes to your equipment that may not be reflected in this publication Loftness reserves the right to make product improvements to the machine at any time Although great care has been taken to ensure the accuracy of this publication Loftness does not assume any liability for errors or omissions Warranty Policy Be sure to rea...

Page 10: ...ing Block 3 groove Banded Belt 0 4 1 2 inch Cutting Height roller adjustment 1 4 inch End Plates 5 1 2 OD x 1 4 Wall Roller Tube 1 1 2 inch Bearing on Gauge Roller 1900 2200 RPM Rotor Speed Structural Steel Frame Front Rear Spring loaded Belt Tightener Full width Gauge Roller with Roller Scraper Fine cut Reversible Knives 1 3 4 inch Rotor Bearings 10 Gauge Hood Easy Access Vented Belt Shield Hydra...

Page 11: ...ety decal instructions Contact Loftness for safety decal replacement Loftness cannot anticipate every possible circumstance that may involve a potential hazard The warnings in this owner s manual are not all inclusive Owner s Responsibility Duetothepotentialdangerofflyingdebris itistheowner s responsibility and is ABSOLUTELY MANDATORY that IMPACT RESISTANT SHIELDING be installed on the machine to ...

Page 12: ... the mower before attempting to operate the unit Know how to stop the unit before starting it Repeated impact of the knives with hard objects can cause excessive wear and damage to the skid steer or mower Be sure to maintain recommended ground clearance as specified in this manual Should excessive vibration occur disengage the hydraulic valve immediately and shut off skid steer Do not continue to ...

Page 13: ...the flail mower Never operate the flail mower in a lifted position Work only on the surface that the loader is standing on Do not operate the mower above the rated RPM Safety Instructions DANGER DANGER Before leaving the operator s position for ANY reason or allowing anyone near the flail mower always exercise the following the Mandatory Shut Down Procedure on page 5 Operation Safety Because this ...

Page 14: ...justing the mower or removing material from it be sure to exercise the mandatory shut down procedure Be sure the rotor has stopped completely before checking knives Be especially careful not to touch attachment parts which might be hot from operation Allow such parts to cool before attempting to maintain adjust or service DANGER Never get off skid steer while it is in motion Rotating driveline Per...

Page 15: ...GED AND TRACTOR IS RUNNING Part No 4334 Part No 4256 DO NOT START OPERATE OR WORK ON THIS MACHINE UNTIL YOU HAVE CAREFULLY READ AND THOROUGHLY UNDERSTAND THE CONTENTS OF THE OPERATOR S MANUAL NOTE IF YOU DO NOT HAVE AN OPERATOR S MANUAL CONTACT YOUR DEALER OR LOFTNESS SPECIALIZED EQUIPMENT 650 SOUTH MAIN HECTOR MN 55342 1 800 828 7624 FAILURE TO FOLLOW SAFETY OPERATING AND MAINTENANCE INSTRUCTIONS...

Page 16: ...r Identification Flippers Step Skid Shoe left side Drive Shield removed Drive Sheave Rotor Sheave Drive Belt Skid Shoe right side Manual Holder Roller with Scraper Deflector Universal Skid Steer Mount Right Side Rotor Bearing Cover Hydraulic Motor Overhung Load Adapter ...

Page 17: ...kid steer hitch 1 Pull the attachment locking levers all the way up 2 Tilt the loader mounting plate ahead Drive forward with the loader and hook the top edge of the mounting plate under the flange on the flail mower mount Be careful not to damage the locking levers on the loader mounting plate 3 Tilt the loader mounting plate back until you feel the weight of the flail mower transfer to the loade...

Page 18: ...point of cut which allows self adjusting for surface irregularities in time to prevent scalping It runs the full width of cut and is used to determine the height of cut See Adjusting Height of Cut on page 15 to make cutting height adjustments The mower rotor is equipped with four rows of pivoting cutting knives If an obstruction is encountered the knives will fold or pivot to absorb shock thereby ...

Page 19: ...Machine X Loose Bolts X Hoses and Wiring X Oil Leaks X Rotor Bearing X Roller Bearing X Knives X Every 100 Safety Labels X Every 500 Hydraulic Motor X X Lubrication Grease Points Location The operation and component lifetimes of this machine are very dependent on regular and proper lubrication The frequency of lubrication recommended is based on normal conditions Severe or unusual conditions may d...

Page 20: ...cation Rotor bearings right side 1 left side 2 Interval Every 8 hours of operation 3 Location Belt idler bracket 3 Remove Drive Shield for access Interval Every 25 hours of operation Maintenance 4 5 Location Roller bearings right side 4 left side 5 Interval Every 8 hours of operation ...

Page 21: ...efore adjusting the cutting height could result in serious injury or death 3 Manually position knife rotor until the bottom row of knives is at the lowest operating position 2 3 1 4 Set blocks 1 under skid shoes at the desired cutting height 5 Loosen the nuts of the 5 8 carriage bolt 2 and the 5 8 pivot bolt 3 on both sides of the mower Repeat on opposite side of the flail mower 6 Allow steel roll...

Page 22: ...rs the 9 16 bolt and the set of knives 3 Install new knives or reversed set The bolt must be inserted through the knife mount from the left side in order for the nut to be tightened by rotation 4 Make certain the bolt is forced to the outside of the knife mount loop 5 Apply a thread locking compound to the nut and torque to 75 ft lbs Maintenance Belt Removal Installation Disconnect or turn off all...

Page 23: ...ound to setscrews and thread into the two opposing holes 8 Position assembly on shaft and alternately torque setscrews to 35 ft lbs 9 To increase gripping force hammer face of bushing using drift or sleeve NOTE Do not hit bushing directly with hammer 10 Re torque screws after hammering 11 Recheck screw torque after initial run in and periodically thereafter repeat steps 4 5 6 if loose 12 Check ali...

Page 24: ...rom the 1 2 bolts holding the bearing to the anti wrap plate on the left hand side of the mower Remove the bearing Remove the nuts and lock washers on the two 1 2 bolts thru the anti wrap plate and the mower end plate 4 Remove the nuts and lock washers on the two 1 2 bolts and remove the bearing guard on the right side of the mower 5 Remove the flat head screw the star washer and the bearing retai...

Page 25: ...ulty rotor and drive line bearings Damage to rotor includes bent end shafts of missing balance weights or actual rotor deformity from striking rocks etc Return to factory for repair Tractor top link not adjusted properly Re adjust top link so input shaft of gearbox is parallel with PTO shaft on tractor Uneven Cut Knives dull or worn excessively Reverse or replace knives Engine RPM too slow Operate...

Page 26: ...ve N34050 51 Belt 3B 8403 Model Code F 20 1972 21 2070 22 2170 23 5 3 44ci 56 37cc N10911 w o Case N16455 w Case Drain 1944 6 8 Top Sheave N11421 5 4 Bottom Sheave N34050 51 Belt 3B 8403 Model Code F 24 2030 25 2114 26 2199 27 31 3 84ci 62 9cc N34676 w Case Drain 2045 6 8 Top Sheave N11421 5 4 Bottom Sheave N34050 51 Belt 3B 8403 Model Code F 28 2121 29 2197 30 31 3 84ci 62 9cc N34676 w Case Drain...

Page 27: ...21 Hydraulic Flail Mower OM PARTS IDENTIFICATION Parts Identification ...

Page 28: ...7 17 7 6 1 2 3 4 5 To order a complete 60 rotor assembly with Knives items 13 14 15 16 17 use part number N11056 To order a complete 72 rotor assembly with Knives items 13 14 15 16 17 use part number N10963 To order a complete 90 rotor assembly with Knives items 13 14 15 16 17 use part number N11845 ...

Page 29: ...AP 12 1 4076 WASHER 1 2 EXTERNAL TOOTH LOCK 13 1 N11058 ROTOR 60 FLAIL W O KNIVES 1 7520 ROTOR 72 FLAIL W O KNIVES 1 7521 ROTOR 90 FLAIL W O KNIVES 14 60 4323 NUT 9 16 12 UNC STD HEX HD GR 8 60 48 4323 NUT 9 16 12 UNC STD HEX HD GR 8 72 40 4323 NUT 9 16 12 UNC STD HEX HD GR 8 90 15 120 4337 WASHER 9 16 SAE FLAT WASHER 60 96 4337 WASHER 9 16 SAE FLAT WASHER 72 80 4337 WASHER 9 16 SAE FLAT WASHER 90...

Page 30: ...10 20 21 18 17 16 15 4 14 9 8 7 6 3 3 5 3 3 2 1 22 1 2 11 1 2 12 Roller The hardware requirements for items 15 16 17 and 18 varies according to deflector length The quantities per length are as follows 60 Deflector 9 ea 72 Deflector 11 ea 90 Deflector 17 ea Parts Identification ...

Page 31: ...0 BEARING 1 1 2 DODGE 2BLT FLG 12 2 7513 PLATE ROLLER MOUNT 13 2 4014 BOLT 1 2 UNC X 1 3 4 HEX HD GR 5 14 2 4054 NUT 1 2 UNC LOCK 15 Varies 4230 NUT 1 4 UNC STD 16 Varies 4231 WASHER 1 4 LOCK 17 Varies 3183 WASHER 1 4 FLAT 18 Varies 4340 BOLT 1 4 UNC X 3 4 LG HEX HD GR5 19 1 N10983 SCRAPER 60 REAR ROLLER 1 7516 SCRAPER 72 REAR ROLLER 1 7517 SCRAPER 90 REAR ROLLER 20 1 N10981 ROLLER 60 REAR 1 7514 ...

Page 32: ...2 4012 BOLT 1 2 UNC X 1 1 4 LG HEX HD GR 5 4 1 N16161 GUARD RIGHT BEARING 5 2 4155 WASHER 1 2 LOCK 6 2 4250 NUT 1 2 UNC STD 7 3 4340 BOLT 1 4 X 3 4 GR 5 8 3 4231 WASHER LOCK 1 4 9 3 4460 WASHER FLAT 1 4 10 1 N19600 HOLDER LG OPERATORS MANUAL 11 1 N14800 MANUAL FLAIL MOWER SPECIFY SERIAL NO Not Shown 1 2 2 7 8 9 10 Manual Holder Drive Shield Bearing Cover 3 4 6 5 ...

Page 33: ...PER 60 FRONT 2 1 7508 ROD 90 FLIPPER 1 7507 ROD 72 FLIPPER 1 N10991 ROD 60 FLIPPER 3 2 4375 PIN 3 16 X 1 LG ROLL 4 1 7512 SHOE RIGHT SKID 5 1 7511 SHOE LEFT SKID 6 2 4039 BOLT 1 2 UNC X 1 1 2 LG CARRIAGE 7 2 4068 WASHER 1 2 FLAT 8 4 4155 WASHER 1 2 LOCK 9 4 4250 NUT 1 2 UNC STD 10 2 4013 BOLT 1 2 UNC X 1 1 2 LG HEX HD GR 5 6 4 1 3 7 10 8 9 8 9 5 3 2 9 8 7 8 9 6 10 ...

Page 34: ...C X 4 1 2 LG HEX HD GR 5 6 2 7528 SPACER 5 8 ID X 15 16 LG 7 1 8409 PULLEY IDLER 5 OD X 2 1 2 8 1 4392 PIN 1 2 X 1 1 4 PLATED 9 1 7527 BRACKET BELT TIGHTENER 10 2 4438 NUT STANDARD 5 8 GRD 8 11 1 4070 WASHER 5 8 LOCK 12 1 9163 TUBE BELT TIGHTENER 13 1 7525 ROD BELT TIGHTENER 14 1 8067 SPRING BELT TIGHTENER 15 1 4092 PIN COTTER 5 32 X 2 16 1 4069 WASHER FLAT 5 8 Belt Tightener 16 10 13 14 12 8 15 4...

Page 35: ...2517 Code G 3 1 N34050 SHEAVE 3B X 5 4 QD SD Code F 1 N34051 SHEAVE 3B X 5 8 QD SD Code I 1 N34053 SHEAVE 3B X 6 2 QD SD Code B 1 N34074 SHEAVE 3B X 6 4 QD SD Code G 4 1 8126 BUSHING 1 1 2 TAPER LOCK KEYED 5 3 8128 10 SCREW 1 2 X 1 SET TAPER LOCK 6 1 7121 02 KEY 3 8 X 1 3 4 7 1 8414 BUSHING 1 3 4 QD SD 8 1 4083 SCREW SET 1 4 20 UNC X 3 8 9 1 N31930 KEY 3 8 X 5 16 X 1 3 4 LG 10 3 N31931 BOLT 1 4 20...

Page 36: ... 10 11 12 13 14 use part number N11366 NOTE The Overhung Load Adapter Item 3 is equipped with a special high pressure mechanical seal eliminating the need for a case drain Send the complete adapter back to the factory for all repairs These motors do not use a shaft seal replace the complete motor when worn Hydraulic Motor 3400 PSI without Case Drain System 1 13 26 GPM Units ...

Page 37: ...1 N10910 MOTOR COMMERCIAL 2 95 CUB IN 19 22 GPM W O SEAL 1 N10911 MOTOR COMMERCIAL 3 44 CUB IN 23 26 GPM W O SEAL 6 6 N16472 WASHER NORD LOCK 1 2 7 6 N31534 BOLT 1 2 X 1 1 4 12 PT GR 8 8 2 N11694 REDUCER 1 5 16 12 0 RING TO 1 1 16 12 0 RING 9 2 N11945 ELBOW 90 1 1 16 M 0 RING TO 1 1 16 M JIC 10 2 N19306 TEE 12MJIC 12FJIC 12MJIC SWIVEL 11 1 N11948 ADAPTER 1 1 16 F JIC TO 3 4 M JIC 12 1 N11947 ADAPT...

Page 38: ...h Case Drain System 2 19 26 GPM Units 1 2 5 4 3 7 7 9 10 6 8 8 11 12 13 14 15 16 11 17 13 12 18 18 To order a complete Flail Check Valve Kit Items 12 13 14 15 16 17 use part number N11366 19 Pressure Tank Case Drain 20 21 22 19 20 For parts breakdown of Item 4 N16416 see page 36 ...

Page 39: ...1 2 X 1 1 4 12 PT GR 8 9 1 N17003 ELBOW 90 DEG 8MJIC 6MOR 10 1 N16248 HOSE 1 4 X 24 X 5000PSI 11 2 N11694 REDUCER 1 5 16 12 0 RING TO 1 1 16 12 0 RING 12 2 N11945 ELBOW 90 1 1 16 M 0 RING TO 1 1 16 M JIC 13 2 N19306 TEE 12MJIC 12FJIC 12MJIC SWIVEL 14 1 N11948 ADAPTER 1 1 16 F JIC TO 3 4 M JIC 15 1 N11947 ADAPTER 3 4 M 0 RING TO 3 4 F SWIVEL 16 1 N11949 VALVE IN LINE CHECK 3 4 F 0 RING 17 1 N11369 ...

Page 40: ...Item 13 N11366 15 15 16 16 17 18 19 20 21 22 18 17 Pressure Tank To order a complete Flail Check Valve Kit Items 17 18 19 20 21 22 use Item 13 part number N11366 Hydraulic Motor 4300 PSI System 2 27 43 GPM Units For parts breakdown of Item 4 N16416 see page 36 Parts Identification ...

Page 41: ...0 1 N16248 HOSE I 4 X 24 X 5000PSI 11 1 N32002 PLUG 3 8 SCH 40 X 25 12 1 N15895 CAP 1 2 ALUMINUM HOSE 13 1 N11366 KIT FLAIL BLW CHECK VALVE 14 2 N15944 HOSE 3 4 X 102 12FJIC 12MOR 15 6 4064 WASHER FLAT 3 8 16 2 N15893 CAP 3 4 ALUMINUM HOSE 17 2 N11945 ELBOW 90 1 1 16 M 0 RING TO 1 1 16 M JIC 18 2 N19306 TEE 12MJIC 12FJIC 12MJIC SWIVEL 19 1 N11948 ADAPTER 1 1 16 F JIC TO 3 4 M JIC 20 1 N11947 ADAPT...

Page 42: ...QTY PART DESCRIPTION 1 1 N14151 SEAL FRONT 1 50 I D X 2 13 O D X 312 THK 2 2 N14152 CUP BEARING 3 2 N14153 CONE BEARING 4 1 N14154 SHAFT 5 1 N14156 RING RETAINING 6 1 N14157 SEAL REAR 55MM X 90MM X 10MM 7 1 N14158 GASKET 1 2 2 3 4 3 5 6 7 Parts Identification ...

Page 43: ... AN OPERATOR S MANUAL CONTACT YOUR DEALER OR LOFTNESS SPECIALIZED EQUIPMENT 650 SOUTH MAIN HECTOR MN 55342 1 800 828 7624 FAILURE TO FOLLOW SAFETY OPERATING AND MAINTENANCE INSTRUCTIONS COULD RESULT IN DEATH OR SERIOUS INJURY TO THE OPERATOR OR BYSTANDERS POOR OPERATION AND COSTLY BREAKDOWN CAUTION Part No 4189 WARNING Rotating parts hazard Can cause serious injuries or death Do not operate machin...

Page 44: ... Signs Cont d Part No 4137 Part No N13721 Part No 4138 Part No N24823 S EAL OF QUALIT Y FEMA F A R M E Q U I P M ENT MANUFACTURERS A S S O C I A T I O N Part No N13517 Part No N24822 Part No N28576 Part No N33105 Part No N26973 Parts Identification ...

Page 45: ...justment Operating Capacity 1 in 2 54 cm Continuous Motor High Pressure Gear type Motor 27 43 GPM up to 4300 PSI Gear type Motor 13 26 GPM up to 3400 PSI Rotor Bearing Heavy Duty 1 3 4 in Bearings Roller Bearing Heavy Duty 1 1 2 in Bearings Mount Skid Steer Universal Knives 60 Heavy Duty Heat Treated Reversible Side Slice Skid Shoes Adjustable Specifications ...

Page 46: ...erall Width B 72 in 182 9 cm 84 in 213 4 cm 102 in 259 1 cm Cutting Depth C 42 75 in 108 6 cm 42 75 in 108 6 cm 42 75 in 108 6 cm Height D 23 25 in 59 1 cm 23 25 in 59 1 cm 23 25 in 59 1 cm Number of Knives 80 96 120 Weight 930 lb 421 9 kg 1 008 lb 457 2 kg 1 208 lb 547 9 kg Crated Weight 1 225 lb 555 7 kg 1 275 lb 578 3 kg 1 475 lb 669 0 kg A C D B ...

Page 47: ... 19 ft lb 26 N m 26 ft lb 35 N m 7 16 27 ft lb 37 N m 35 ft lb 47 N m 42 ft lb 57 N m 54 ft lb 73 N m 59 ft lb 80 N m 77 ft lb 104 N m 30 ft lb 41 N m 42 ft lb 57 N m 1 2 42 ft lb 57 N m 54 ft lb 73 N m 64 ft lb 87 N m 83 ft lb 113 N m 91 ft lb 123 N m 117 ft lb 159 N m 45 ft lb 61 N m 64 ft lb 88 N m 9 16 60 ft lb 81 N m 77 ft lb 104 N m 92 ft lb 125 N m 120 ft lb 163 N m 130 ft lb 176 N m 169 ft...

Page 48: ...3 N m 115 in lb 17 N m 150 in lb 6 3 N m 56 in lb M8 14 N m 124 in lb 18 N m 159 in lb 22 N m 195 in lb 28 N m 248 in lb 31 N m 274 in lb 40 N m 354 in lb 15 N m 133 in lb M10 28 N m 21 ft lb 36 N m 27 ft lb 43 N m 32 ft lb 56 N m 41 ft lb 61 N m 45 ft lb 79 N m 58 ft lb 30 N m 22 ft lb M12 49 N m 36 ft lb 63 N m 46 ft lb 75 N m 55 ft lb 97 N m 72 ft lb 107 N m 79 ft lb 138 N m 102 ft lb 53 N m 39...

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Page 50: ...www loftness com Loftness Specialized Equipment Inc 650 So Main Street PO Box 337 Hector MN 55342 Tel 320 848 6266 Fax 320 848 6269 Toll Free 1 800 828 7624 Printed in USA Loftness 2019 ...

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