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OPERATOR’S MANUAL
BRUSH MOWER
MODEL K4080
PLEASE READ THIS MANUAL CAREFULLY AND KEEP
READY AT ALL TIMES
KUBOTA®
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CONTENTS BEFORE OPERATION ——————————————————————— 1 SAFE OPERATION —-——————————————————————— 2-3 ATTACHING TO THE EXCAVATOR —-———————————————— 4-5 ADJUSTMENT & MAINTENANCE —————————————————— 6 BASIC OPERATIONS —-———————-—————————————— 7-9 MAINTENANCE ——————————————————————————10 REPLACING KNIVES——–————————————————————— 11 HYDRAULIC DIAGRAM ———–—–————–--———————————— 12 ATTACHMENT TRANSPORT -—————————————————–—— 13 TROUBLESHOOTING ———————————–—————————–——14 TROUB
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BEFORE OPERATION 1 BEFORE OPERATION 1. Keep children out of the operating area under the watchful eye of another re- sponsible adult. 2. Never allow another person in the operator’s station of the excavator while the machine is in operation. 3. Stop machine operation if a person approaches 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
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SAFE OPERATION 2 SAFETY Failure to heed these warnings may result in personal injury or death. • Before operating this machinery read the owner’s manual carefully. • Use OSHA approved eye, ear and head protection to protect the operator from any flying debris and noise. • All personnel except operator should be 150 feet clear of machinery before starting or operating it. • Never use drugs or alcohol before or while operating your brush mower. • Be aware that operating equipment
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SAFETY (cont.) SAFE OPERATION 3 • Stop the operation of this machine when people or vehicle driver’s vision becomes obscured, caused by the discharge of materials and dust. Also avoid operating this attachment in unusually foggy or dusty conditions or at night. • Never leave the excavator or the brush shredding attachment unattended while it is in the lifted position or while the shredder is spinning. • Keep away from rotating elements to prevent entanglement. • Listen for bla
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ATTACHING TO THE EXCAVATOR 4 ATTACHING TO THE EXCAVATOR • Be sure to inspect all safety devices (including safety shields, guards, deflectors, etc.) before each use. Safety Device Examples Shaft protection cap 1 Motor & gearbox cover 2 Debris chain curtain guarding 3 • Maintain all safety decals and make sure they are visible to the operator and by- standers. If decals are worn, contact your nearest Kubota dealer for replacements. • Replace bent or broken blades with
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ATTACHING TO THE EXCAVATOR 5 ATTACHING TO THE KX080 ATTENTION The K4080 brush mower is designed specifically for the Kubota KX080 excavator and should not be used on any other machine. Make sure the person who is attach- ing this brush mower has knowledge of attaching regular buckets and can do so in a safe manner. The method used most often for attaching this brush mower is the “curl-in” method. Note: Remember to allow at least 3-5 minutes for the excavator to warm-up before using
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ADJUSTMENT & MAINTENANCE 6 ADJUSTMENT & MAINTENANCE CLEANING YOUR BRUSH MOWER To preserve life of paint and decals, wash the brush mower after each use. The preservation of your brush mower’s decals is essential to safety, so make sure they are kept in good condition. It is also recommended that some sort of degreasing solution be used on all bearings. • Check for excessive grease in bearing areas. Clean off any excessive amount. • Clean clippings from hydraulic hose areas, mounting
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BASIC OPERATION 7 BASIC OPERATION Running Your Attachment The K4080 brush mower is designed to cut all types of vegetation such as grass, brush and small trees. The condition of your terrain and the material to be cut should be evaluated for the best results. House Rotation Mowing House Rotation Mowing Brush on flat terrain can be cut by rotating the house control from side-to-side and keeping the cutter head just above ground level, moving the excavator for- ward 40” at a time into
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BASIC OPERATION 8 BASIC OPERATION 1. Before beginning your job, walk the mowing area and clear all hidden hazards such as large rocks, stumps, utility lines and hidden debris like broken glass, bottles and miscellaneous materials. Projected debris can cause injuries to operators, pedes- trians, livestock and property. 2. While inspecting your work area for debris, be on the lookout for bees, fire ants, poison ivy and poison oak. Taking note of potential area hazards will increase your
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BASIC OPERATION 9 BASIC OPERATION Starting Procedure 1. While the excavator’s engine is turned OFF, and all moving parts have completely stopped, remove outer spindle cover. 2. Check to see that the brush mower is in the down position and blades are not touch- ing the ground. Start the engine and set throttle at idle speed. Important: Do not start the operating vehicle until the brush mower has been carefully checked for correct assembly and installation. Be sure that all observe
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MAINTENANCE 10 MAINTENANCE ATTENTION Before doing any service work, observe the following safety rules: 1. Remove the ignition key from the operating vehicle and allow all movements to stop before leaving the operator’s position and starting any maintenance activities. 2. Allow all movements to stop before leaving the operator’s position to lubricate or clean the machine. 3. Before working on or underneath the brush mower, place blocks on both sides of the operating vehicle tires o
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REPLACING KNIVES 11 REPLACING KNIVES IMPORTANT Never operate brush mower with a damaged knife. This will make the cutter drum unbalanced and severe damage may result! 1. Worn knives, bolts, and spacers must be replaced. Neglecting the replacement of these parts could cause the cutting drum to run out of balance. Do not mix new parts with older, worn parts. Always replace wear washers when blades are replaced. Failing to do so could cause the cutter drum to run out of balance. 2. In or
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HYDRAULIC DIAGRAM 12 HYDRAULIC DIAGRAM The diagram below represents the hydraulic plumbing system for the Kubota K4080 Brush Mower attachment. SP1 left side SP1 right side of dipper of dipper (female) (male) Relief valve Non adjustable To reverse cutter drum rotation, reverse the 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 th
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TRANSPORT 13 TRANSPORT ATTENTION Allow all movements to stop before leaving the operator’s position to lubricate or clean the machine. Before working on or underneath the brush mower, place blocks on both sides of the operating vehicle tires or treads and under each end of the mower to pre- vent accidental lowering of the machine. Remove the ignition key from the operating vehicle and allow all movements to stop before beginning work. To transport, disen- gage auxiliary hydraulics and
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TROUBLESHOOTING 14 TROUBLESHOOTING T= Trouble C= Countermeasure T. Where is the serial number for my machine? C. The serial number for your brush shredder is stamped next to the mounting bracket on the opposite side of the motor. Model & Serial Number Plate Location Serial Number Stamped On Top Of Mower T. Where do I find replacement parts? C. Your local Kubota dealer. T. How often should I change my knives? C. Replacing the cutting knives is a performance issue. When the cut begins
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TROUBLESHOOTING cont. 15 TROUBLESHOOTING cont. T= Trouble C= Countermeasure T. How do I reverse the cutter drum rotation? C. Refer to the Adjustments and Maintenance section of this manual for information on reversing the hydraulic hoses at the motor to reverse the cutter drum direction. T. How do I replace my knives? C. Refer to the Adjustments and Maintenance section of this manual for information regarding the replacement of knives. T. When connecting my hydraulic hoses, is th
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SPECIFICATIONS 16 SPECIFICATIONS K4080 Brush Mower Specifications Working Width 40” (101.6 cm) Overall Width 58” (127 cm) Weight 1,325 lbs. (600 kg) Number of knives 24/12 –77 lbs.(35 kg) Capacity 6“. (15.3cm.) Hyd. Flow required 23 gpm / 87 lpm 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 p
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KNIFE ASSEMPLY 17 KNIFE ASSEMBLY 7 5 1 6 3 4 2 # Description Model Part # Quantity 1 BOLT, KNIFE 1"x4" GR8 -2 1/2" Shoulder All 77700-00862 12 2 KNIFE, SHREDDER All 77700-00853 24 3 SPACER, 1" Flat Washer (KNIFE BOLT) All 77700-00863 24 4 NUT, CASTLE 1" (KNIFE) All 77700-00866 24 5 PIN, ROLL 3/16"x1 1/2" (KNIFE BOLT) All 77700-00866 12 6 KNIFE, SHREDDER (CENTER) All 77700-00854 12 7 WASHER, LOCK 1" (KNIFE BOLT) All 77700-00864 12
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DRIVE ASSEMBLY 18 DRIVE ASSEMBLY 11 10 1 6 4 12 2 5 7 6 3 9 # Description Model Part # Quantity 1 GUARD, WIRE - DRIVE SIDE All 77700-00860 1 2 SEAL, SHAFT 3 1/2"x2 3/4" OD All 77700-00857 1 3 WASHER, DAMPENER All 77700-00858 1 4 HOUSING, SPINDLE All 77700-00859 1 5 BREATHER All 77700-00883 1 6 BEARING, BALL 50mm ANGULAR CONTACT All 77700-00856 2 7 NUT, LOCK (DRIVESHAFT) All 77700-00867 1 8 O RING, SPINDLE HOUSING 5/32"x17" All 77700-00855 1 9 MOTOR, HYD 26 gpm flow All 77700
