Page 2 - 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——–——————...
Page 3 - BEFORE OPERATION
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 mowin...
Page 4 - SAFETY
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 operat...
Page 6 - ATTACHING TO THE EXCAVATOR; Safety Device
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 Motor & gearbox cover Debris chain curtain guarding • Maintain all safety decals and make sure they are visible to ...
Page 7 - ATTACHING TO THE KX080; ATTENTION
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 us...
Page 8 - ADJUSTMENT & MAINTENANCE; CLEANING YOUR BRUSH MOWER; Kubota strongly recommends
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 so...
Page 9 - 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 Brush on flat terrain can be cut by rotating the hou...
Page 12 - MAINTENANCE; CAUTION; Lubrication Points
MAINTENANCE MAINTENANCE 10 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...
Page 13 - REPLACING KNIVES; ATTENTION IMPORTANT RECOMMENDATION; IMPORTANT; Never operate brush mower with a damaged knife. This will make the
REPLACING KNIVES REPLACING KNIVES 11 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 ...
Page 14 - HYDRAULIC DIAGRAM
HYDRAULIC DIAGRAM HYDRAULIC DIAGRAM 12 The diagram below represents the hydraulic plumbing system for the Kubota K4080 Brush Mower attachment. 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. D...
Page 15 - TRANSPORT
TRANSPORT TRANSPORT 13 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 acci...
Page 16 - TROUBLESHOOTING
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. T. Where do I find replacement parts? C. Your local Kubota dealer. T. How often should I change my knives? C. Replacing the cutting kn...
Page 17 - TROUBLESHOOTING cont.
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 t...
Page 18 - K4080 Brush Mower Specifications; SPECIFICATIONS; Working Width; FEATURES
K4080 Brush Mower Specifications SPECIFICATIONS SPECIFICATIONS 16 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...
Page 19 - KNIFE ASSEMBLY
KNIFE ASSEMBLY # Description Model Part # Quantity 1 2 3 4 5 6 7 BOLT, KNIFE 1"x4" GR8 -2 1/2" Shoulder KNIFE, 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)...
Page 20 - DRIVE ASSEMBLY
DRIVE ASSEMBLY # Description Model Part # Quantity 1 2 3 4 5 6 7 8 9 10 11 12 GUARD, WIRE - DRIVE SIDE SEAL, SHAFT 3 1/2"x2 3/4" OD WASHER, DAMPENER HOUSING, SPINDLE BREATHER BEARING, BALL 50mm ANGULAR CONTACT NUT, LOCK (DRIVESHAFT) O RING, SPINDLE HOUSING 5/32"x17" MOTOR, HYD 26 gpm...
Page 21 - HYDRAULIC PLUMBING
HYDRAULIC PLUMBING # Description Model Part # Quantity 1 2 2a 2b 3 4 5 6 7 Hydraulic Motor-24 GPM Motor Protection Valve MPV Pressure Relief MPV Check Valve Adapter, 12 MORB x 12 MJIC 90 Coupler, 3/4" FEM FLUSH FACE Coupler, 3/4" MALE FLUSH FACE Hose, 44 " 12FJIC x 12 FJIC Breather K4080...
Page 22 - NOTES
Page 24 - PRINTED IN USA
PRINTED IN USA KUBOTA TRACTOR CORPORATION 3401 Del Amo Blvd., Torrance, CA 90503, U.S.A. Telephone: (310) 370-3370 Western 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...