Kubota K4080, Operator'S Manual

Page 1: ...OPERATOR S MANUAL PLEASE READ THIS MANUAL CAREFULLY AND KEEP READY AT ALL TIMES KUBOTA BRUSH MOWER MODEL K4080 ...

Page 2: ...ATOR 4 5 ADJUSTMENT MAINTENANCE 6 BASIC OPERATIONS 7 9 MAINTENANCE 10 REPLACING KNIVES 11 HYDRAULIC DIAGRAM 12 ATTACHMENT TRANSPORT 13 TROUBLESHOOTING 14 TROUBLESHOOTING cont 15 SPECIFICATIONS 16 KNIFE ASSEMBLY 17 DRIVE ASSEMBLY 18 HYDRAULIC PLUMBING 19 CONTENTS ...

Page 3: ...ches the mowing area 4 The operator should walk through the mowing area to identify and locate haz ards 5 Hazards may include large stones pieces of concrete glass bottles dis carded wire cable discarded automotive parts fence posts or exposed pipes 6 Inspect the mowing area for utility lines and features such as electrical lines and enclosures water and sewer lines or communications equipment 7 R...

Page 4: ...ds and loose clothing away from any power driven parts Avoid contact with hot surfaces including pumps motors hydraulic oil tanks and hose connections Do not operate this machine without all guards being in good condition and firmly in place Do not operate this machine on a excavator that is not properly maintained If a control failure should occur while operating this machine immediately shut it ...

Page 5: ... on highways except when prohibited by law If using the side shredding method drive at a speed you can safely operate the vehicle and attachment Normal ground speed ranges from 0 5 miles per hour Use slow speeds when operating on or near slopes ditches drop offs or when debris and foreign objects are to be avoided Use the following guidelines to reduce the risk of equipment and grass fires Do not ...

Page 6: ...rotection and exercise care when handling blades Also be alert to worn or damaged surfaces that could have sharp edges Disengage hydraulics and shut off engine bleed off hydraulic pressure to both high and low flow circuits allowing all movement to stop before leaving the operator s po sition to adjust lubricate clean unclog remove or install the attachment See Ku bota KX080 3 Operators Manual for...

Page 7: ...mower down with the skid shoes firmly on level ground This will allow for easy access to the 3 flat face couplers Never stand on attachment to reach couplers Turn off the excavator and bleed down pressure on both high and low flow hydraulic circuits See Kubota KX080 Operators Manual Couple the hoses The female end on the shredder is pressure in left side and the male end is return right side These...

Page 8: ...ve grease in bearing areas Clean off any excessive amount Clean clippings from hydraulic hose areas mounting areas or any areas that may be susceptible to excessive heat Clean inside the brush mower with a pressure washer Make sure the inside of the mower is kept free from mud and compact grass Keep in mind that mud built up on the cutter drum can cause imbalance resulting in vibration Preserve da...

Page 9: ...rk toward the ground Raise the boom all the way up and curl it away from you This will allow the head to be inverted and trim tree canopies Then swing the head from side to side in the vertical posi tion to trim the sides of trees Finally position the head parallel to the ground to completely mulch the branches and grass eliminating any clean up by hand crews Brush cutting covers a wide range of c...

Page 10: ...0 RPM is the recommended speed the cutter shaft should turn 5 Loading or lugging down the cutter excessively will reduce its cutting capacity and result in increased hydraulic oil temperature Stay aware of the cutter drum speed and lift out of the cut until maximum speed is regained before resuming 6 When cutting larger diameter material lay the tree down with the blade and plane the tree from sid...

Page 11: ...up the RPM to maximum flow efficiency The brush mower should be operating at 1500 1800 RPM The RPM can be checked on the idler end side of the mower using the shaft center To do this you will need a handheld tachometer as shown in the photo below Simply insert the end of the tachometer into the hole in the center shaft When checking the RPM with this method it should be around 1700 at full throttl...

Page 12: ...ower to pre vent accidental lowering of the machine Lubrication 1 GREASE DAILY Two cutter drum bearings The grease fitting for the bearing on the motor side of the attachment is mounted on the side of the motor housing 2 Inspect rubber isolation disk This disk will last over 1000 hours but should be in spected daily and replaced whenever the cutter drum is removed 3 When greasing apply 6 8 full pu...

Page 13: ...where the knives are exposed simply take your punch and hammer it against the roll pin going through the castle nut and bolt until it pops out The nut should come off easily after that Shredder Knife Hammer Knife Castle Nut Roll Pin 3 To attach new knives replace the same as they were removed and tighten the nut down past the hole for the roll pin and reinsert the roll pin using the hammer and pun...

Page 14: ...e hoses on the motor side of the protection valve On quick couplers the female end is usually the pressure in Double check the excavator plumbing to insure pressure in is on the left side of the of the boom while sitting in the cab AKA pressure in This will provide clockwise cutter drum rotation SP1 left side of dipper female SP1 right side of dipper male Relief valve Non adjustable ...

Page 15: ...all the way onto level ground extend boom and stick to reach hoses 2 Turn off the excavator and cycle all controls to insure all hydraulic pressure is re lieved 3 Unlock the locking devices on the excavator mount never stand on the attachment 4 Unlock mounting devices at the excavator and uncouple hydraulic hoses 5 Re start and lift the excavator boom to remove it from the mower 6 If transporting ...

Page 16: ...with high quality hydraulic fluid T How can I prevent my hydraulic hoses from coming off during operation C Be careful Make sure the hoses are pressed all the way into their corresponding fit tings on the operating vehicle Turn the female coupler collar past bump to lock Give them a slight tug to make sure they are on all the way T When I am replacing hydraulic fluid how much should I add C Consul...

Page 17: ...t seem to resolve the issue What should I do C The main cause of seal ruptures with this machine is a result of high pressure re turn problems In order to eliminate these problems let the operating vehicle warm up for at least 3 5 minutes before attempting to use any oil operated functions Check to insure return valve is in the HAMMER BREAKER clockwise position TROUBLESHOOTING cont T Trouble C Cou...

Page 18: ... FEATURES Bolt on excavator bucket style quick attach mount 3 4 3 8 high strength AR plate structure Grade 8 castle nut roll pin attachment system Reversible spiral mounted triple hammer knifes Wire proof hardened cutter shaft protectors Integrated thumb saddle motor guard Safety chain debris deflector guards Includes complementary 3 4 hydraulic hoses 92 long with flat faced hydraulic couplers and...

Page 19: ...SHREDDER SPACER 1 Flat Washer KNIFE BOLT NUT CASTLE 1 KNIFE PIN ROLL 3 16 x1 1 2 KNIFE BOLT KNIFE SHREDDER CENTER WASHER LOCK 1 KNIFE BOLT All All All All All All All 77700 00862 77700 00853 77700 00863 77700 00866 77700 00866 77700 00854 77700 00864 12 24 24 24 12 12 12 KNIFE ASSEMPLY 17 1 2 3 4 5 6 7 ...

Page 20: ... LOCK DRIVESHAFT O RING SPINDLE HOUSING 5 32 x17 MOTOR HYD 26 gpm flow GUARD WIRE IDLER SIDE BEARING FLANGE 1 15 16 4 BOLT HOSE GREASE 1 4 x18 All All All All All All All All All All All All 77700 00860 77700 00857 77700 00858 77700 00859 77700 00883 77700 00856 77700 00867 77700 00855 77700 00882 77700 00861 77700 00852 77700 00872 1 1 1 1 1 2 1 1 1 1 1 1 DRIVE ASSEMBLY 18 5 4 1 2 11 10 6 7 3 9 6...

Page 21: ...RB x 12 MJIC 90 Coupler 3 4 FEM FLUSH FACE Coupler 3 4 MALE FLUSH FACE Hose 44 12FJIC x 12 FJIC Breather K4080 K4080 K4080 K4080 K4080 K4080 K4080 K4080 K4080 77700 00882 77700 00873 77700 00874 77700 00875 77700 00876 77700 00877 77700 00878 77700 00881 77700 00883 1 1 1 1 4 1 1 2 1 Pressure In Zero Pressure Return to Tank HYDRAULIC PLUMBING 19 1 2 3 4 5 6 2a 2b 7 ...

Page 22: ...NOTES Notes 20 ...

Page 23: ...hole KNIFE BOLT 77700 00866 1 NUT LOCK DRIVESHAFT 77700 00867 1 SET DECAL 77700 00868 1 FITTING GREASE 1 4 NPT 77700 00869 1 BARB HOSE 1 4 MNPTx1 4 90 77700 00870 1 BARB HOSE 1 4 MNPTx1 4 Straight 77700 00871 1 HOSE GREASE 1 4 x18 77700 00872 1 MPV Aluminum Body 77700 00873 1 MPV Cartridge Pressure Relief 77700 00874 1 MPV Cartridge Check Valve 77700 00875 4 ADAPTER 12 MORB x 12 MJIC 90 77700 0087...

Page 24: ...stern Division 1175 S Guild Ave Lodi CA 95240 Telephone 209 334 9910 Central Division 14855 FAA Blvd Forth Worth TX 76155 Telephone 817 571 0900 Northern Division 6300 at One Kubota Way Groveport OH 43125 Telephone 614 835 1100 Southeast Division 1025 Northbrook Parkway Suwanee GA 30024 Telephone 770 995 8855 ...