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Summary of Contents for Kubota L4469
- Page 1 OWNER’S MANUAL MANUAL PN 77700-05750 OM 0427SB-A / Rev2 05-21 L4469 - 64" UTILITY SNOWBLOWER L4479 - 74" UTILITY SNOWBLOWER SERIAL NO. 21400001 AND UP PLEASE READ THIS MANUAL CAREFULLY KEEP READY AT ALL TIMES...
- Page 3 Kubota Corporation notes that specifications and technical information are subject to change without notice and Kubota does not represent or warrant that the information in this publication is completely accurate or current; however, Kubota used reasonable efforts to set forth and include accurate and up to date information in this publication.
- Page 4 SPECIFICATIONS Features and Specifications L4469 L4479 Working width 64" 74" Transport width 69" 79" Working height 26" 26" Length 37" 37" Single/Dual Auger Single Single Auger diameter 14 3/4" 14 3/4" Auger Flighting Thickness 5/16" 5/16" Impeller Diameter 24" 24"...
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Page 5: Table Of Contents
TABLE OF CONTENTS INTRODUCTION – TO THE PURCHASER ..................4 SAFETY PRECAUTIONS ........................5 Before Operation .......................... 5 Notice ............................6 Subframe & Snowblower ......................6 Before Operation ......................6 Subframe & Snowblower Operation ................7 Transportation ..........................8 Storage ............................8 Maintenance .......................... - Page 6 TABLE OF CONTENTS MAINTENANCE ..........................21 Shear Bolts ..........................21 Gearbox and Reduction Box ...................... 21 Mounting the Reduction Box Bearing Preload cover ..............21 Procedure for Checking the Torque .................... 22 LUBRICATION ........................... 22 PROBLEM: HYDRAULIC CHUTE ROTATION IS SLOW OR DOESN'T TURN ......... 23 STORAGE ...........................
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Page 7: Introduction - To The Purchaser
INTRODUCTION O THE URCHASER All products are designed to give safe, Illustrations dependable service if they are operated and illustrations necessarily maintained according to instructions. Read reproduce the full detail and the exact shape of understand this manual before the parts or depict the actual models, but are operation. -
Page 8: Safety Precautions
SAFETY PRECAUTIONS SAFETY FIRST This symbol, the industry's "Safety Alert Symbol", is used throughout this manual and on labels on the machine itself to warn of the possibility of personal injury. Read these instructions carefully. It is essential that you read the instructions and safety regulations before you attempt to assemble or use this snowblower. -
Page 9: Notice
SAFETY PRECAUTIONS - continued OTICE A safe operator is the best assurance against accidents. All operators, no matter how experienced they may be, should read this operator's manual and all other related manuals before attempting to operate the snowblower. Please read the following section and pay particular attention to all safety recommendations contained in this manual and those labeled on the snowblower and on the tractor. -
Page 10: Subframe & Snowblower Operation
SAFETY PRECAUTIONS - continued Subframe & Snowblower Operation 1. Before leaving the tractor/snowblower 9. Park the tractor/snowblower on level ground, unattended, take possible place the transmission in neutral, set the parking precautions. Park the tractor/snowblower brake, disengage the PTO, lower the snowblower on level ground, place the transmission to the ground, place all control levers in neutral, neutral, set the parking... -
Page 11: Transportation
SAFETY PRECAUTIONS - continued RANSPORTATION 20. Never allow anyone near the work area. 21. Never allow anyone to operate the 1. If the tractor/snowblower is to be driven on snowblower until they have read the public roads, it must be equipped with an SMV manual completely and are thoroughly (Slow Moving Vehicle) sign. -
Page 12: Maintenance
SAFETY PRECAUTIONS - continued Do not attempt to service machine, clear AINTENANCE obstructions or unclog the snowblower ALWAYS USE GENUINE PARTS WHEN with the engine running. Always shut off REPLACEMENT PARTS ARE REQUIRED engine and allow all motion to cease. manufacturer will claim... -
Page 13: Decals
DECALS Replace immediately if damaged KUBOTA 70060-02232 (2500484) L4469 77700-04280 (2500892) L4479 77700-04281 (2500893) 70060-04325 (2500329) 70060-01211 (657761) 70060-01212 (657762) 70060-01212 (657762) 70060-01674 (657804) 70060-01040 (655683) 77700-04190 70060-01213 (2500869) (657763) OM 0427SB-A [10]... -
Page 14: Assembly
ASSEMBLY NOWBLOWER SSEMBLY The snowblower is assembled at the factory, however, parts in the bag and box must be assembled. Use the present manual and lay out all parts for assembly. Separate bolts and nuts into various sizes. After assembly, torque all the bolts according to the "Torque Specification Table" enclosed at the end of the manual. -
Page 15: Installation With The Manual Completion Kit - L4431
ASSEMBLY L4432 NSTALLATION WITH THE AUTO CONNECT COMPLETION KIT Refer to the Instruction sheet provided with the L4432 Completion kit - L4431 NSTALLATION WITH THE MANUAL COMPLETION KIT Hydraulic Hoses Installation (Fig.3-3a) 1. Figure 3: On each hydraulic hose (item 3) insert a protective nylon sheath (item 4). -
Page 16: Installation Of The Snowblower
ASSEMBLY Installation of the Snowblower (Figures 4-5) 1. Figure 4: Install on the reduction box shaft (item 1) the 1/4” x 1/4" x 1 1/4" key (item 2). Figure 4 2. Figure 4: Install the driveline male half (item 3) on the reduction box shaft (item 1) and secure in place with a 1/4"NC x 2 1/2"... - Page 17 ASSEMBLY IMPORTANT : It is very important to follow these next instructions to avoid contact with the snowblower driveline and damaging it. NOTE: Perform this procedure only on a clear area. 7. Figure 5-5a: With the male driveline (item 1) on its support rod (item 2) approach the tractor to around 2 feet from the snowblower.
- Page 18 ASSEMBLY 13. Figure 5c: Insert the female driveline (item 2) into the 4 point hitch frame WARNING: To avoid serious (item 5), and connect the female driveline personal injury. Escaping hydraulic/ (item 2) to the male driveline (item 4). diesel fluid under pressure can penetrate Attach the female driveline quick connect the skin causing serious injury yoke to the subframe PTO shaft.
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Page 19: Routing Of The Hoses On The Tractor
ASSEMBLY Routing of the Hoses on the Tractor ROUTE HOSES ACCORDING TO RESPECTIVE TRACTOR MODEL Run and fasten the hoses into the hose clamps (item 1) along the tractor frame, making sure to leave some free hose on the right side of the tractor to prevent tension when the snowblower is raised or lowered to its maximum. -
Page 20: Detaching Snowblower From 4 Point Hitch
ASSEMBLY Detaching Snowblower from 4 Point Hitch (Figure 6) NOTE: Perform this procedure only on a clear area. 1. Set the snowblower at maximum height position, turn the engine off, set the parking WARNING: To avoid serious brake and remove the ignition key. personal injury. -
Page 21: Operation
Increasing Traction and Stability 8. Before engaging the snowblower drive, The use of Kubota approved wheel weights or always have the engine running at idle. rear weights is recommended for extra traction and stability, especially when operating in snow and/or on slippery surfaces. -
Page 22: Deflector Adjustment
OPERATION DJUSTMENTS Skid Shoe Adjustment (Figure 7) CAUTION : To ensure safety, make Adjust the skid shoes so that the snowblower sure tractor engine and snowblower come runs level and according to the surface to a complete stop and tractor drive conditions so that stones are not thrown with mechanism is disengaged BEFORE making the snow. -
Page 23: Snow Removal Methods
OPERATION NOW REMOVAL METHODS When removing snow, do not use the snowblower as a dozer blade to push snow. Let the snowblower work its way through deep drifts. If the speed of your tractor is too fast, the snowblower may become overloaded and clog. -
Page 24: Maintenance
MAINTENANCE WARNING • Before cleaning, adjusting or repairing AINTENANCE the snowblower: bring the tractor to a complete stop, lower the implement ALWAYS USE GENUINE PARTS WHEN shut off the engine and remove the REPLACEMENT PARTS ARE REQUIRED. ignition key. Shear Bolts •... -
Page 25: Procedure For Checking The Torque
MAINTENANCE TORAGE Procedure for Checking the Torque Before storing subframe snowblower, certain precautions should be (Figure 9) taken to protect it from deterioration. This procedure must be done after having 1. Clean the subframe and snowblower opened and reassembled the gearbox. thoroughly. -
Page 26: Problem: Hydraulic Chute Rotation Is Slow Or Doesn't Turn
MAINTENANCE PROBLEM: HYDRAULIC CHUTE ROTATION IS SLOW OR DOESN'T TURN When activating the chute rotation, it turns very slowly or not at all. WARNING 3. Figure 10: Check if there are residues in the hydraulic circuit. To do so, first verify if the chute To avoid serious personal injury rotates well in one direction. - Page 27 MAINTENANCE UBRICATION Use a grease gun and lubricate as follows: DESCRIPTION INTERVAL LUBRICATION REQUIRED 4 hours Grease each universal joint Driveline Separate the sliding parts and cover each one of them 24 hours with grease 4 hours Driving chain Lubricate with chain saw lubricant and after each operation Reduction box Check oil level.
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Page 28: Parts
PARTS NTRODUCTION All parts are illustrated in "exploded views" which show the individual parts in their normal relationship to each other. Reference numbers are used in the illustrations. These numbers correspond to those in the "Reference Number" (REF) column, and are followed by the description and quantity required. O/L - "Obtain Locally"... -
Page 29: Snowblower
PARTS – L4469 - L4479 NOWBLOWER FIG: 000100_RAD1501012 OM 0427SB-A [26]... - Page 30 PARTS – L4469 - L4479 NOWBLOWER ESCRIPTION 77700-04276 Housing 64" without gearbox 670326 77700-04273 Housing 74" without gearbox 670280 70060-02552 Auger 64" 666269 70060-02567 Auger 74" 666271 70000-02652 666378 70060-03302 Shear plate 659509 70000-02644 Sprocket 60A38 654007 77700-05004 Bearing with set screw 1 1/4"...
- Page 31 PARTS – L4469 - L4479 NOWBLOWER ESCRIPTION 77700-04512 Cutting edge 64" 670340 77700-02711 Cutting edge 74" 669136 70060-04442 Stover lock nut 3/8" PTD 1100003 77700-04338 Reduction box 4500148 77700-04278 Right hitch protector 670328 77700-04279 Left hitch protector 670329 70060-03052 Nylon flat washer 11/32"...
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Page 32: Three Part Chute
PARTS HREE HUTE ESCRIPTION 77700-04274 Three part chute ass'y 670320 77700-04269 Chute base 670127 77700-04270 Middle deflector 670128 77700-04271 Upper deflector 670129 70060-01850 Hinge pin 10 27/32" PTD 666654 77700-04272 Three part chute flat bar 670130 77700-01247 Stover lock nut 7/16"NC PTD 1100004 77700-01242 Hex bolt 7/16"NC x 1 1/4"... -
Page 33: Hydraulic Rotation
PARTS YDRAULIC OTATION ESCRIPTION 70060-03226 Rotation bushing 659151 77700-03043 Retaining plate 3 holes 669496 77700-03044 Retaining plate 2 holes 669497 70060-00600 Retaining plate spacer - 16ga PTD 666191 70060-00697 Retaining plate spacer - 3/8" PTD 665957 75599-01230 Hex bolt 5/16"NC x 1 1/2" PTD 0100021 75599-33012 Lockwasher 5/16"... -
Page 34: Male Driveline
PARTS – 77700-04340 RIVELINE ESCRIPTION Driveline ass'y – male part 77700-04340 4700267 70060-03431 Quick disconnect yoke ass'y 660149 77700-00576 Universal joint - journal cross 4700130 77700-04341 Yoke and male shaft 4700268 77700-04343 Repair kit 4700270 77700-04342 Outer shield - plastic 4700269 70060-03345 Plug 3/8"... -
Page 35: Reduction Box - "Comer
PARTS -77700-04338- "C " I EDUCTION OMER DENTIFICATION ESCRIPTION 77700-04338 Reduction Box ass'y 4500148 Casing Pinion 70060-00792 Lockwasher 10mm 1200018 70060-03343 Breather 656662 70060-03344 Ball bearing 659838 70060-03345 Plug 3/8" 655259 70060-03346 Oil seal 659839 70060-03347 Snap ring 656642 70060-70410 Hex. -
Page 36: Reduction Box - "4500148S
PARTS - 77700-04338 - "4500148S" I EDUCTION DENTIFICATION ESCRIPTION 77700-04338 Reduction Box ass'y 4500148 70060-00792 Lockwasher 10mm 1200018 70060-03343 Breather 656662 70060-03344 Ball bearing 659838 70060-03345 Plug 3/8" 655259 70060-03346 Oil seal 659839 70060-03347 Snap ring 656642 70060-70410 Hex. bolt M10 x 1.5 x 30mm - 8,8 0200016 70060-03351 Bearing... -
Page 37: Snowblower Completion Kit - L4431
PARTS – L4431 NOWBLOWER OMPLETION OM 0427SB-A [34]... - Page 38 PARTS – L4431 NOWBLOWER OMPLETION ESCRIPTION 77700-04340 Male driveline 4700267 75599-01150 Bolt hex. 1/4"NC x 2 1/2" gr.5 PTD 0100012 75599-31911 Nylon insert lock nut 1/4"NC PTD 1000003 77700-00593 Allen set screw 3/8"NC x 3/8" gr5 black 0500017 70060-00814 Key 1/4" x 1/4" x1 1/4"lg 654643 77700-01720 Cotter pin 3/32 x 1"...
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Page 39: Gearbox
PARTS EARBOX SSEMBLY ESCRIPTION 70060-04431 Gearbox assembly 663485 70060-03358 Casing 659848 70060-70381 Gear 662236 70060-03353 Shim 656649 70060-03850 Bearing 659844 70060-03360 Parallel Key 659850 70060-70374 Input Shaft 664663 70060-03362 Oil seal 659852 70060-03363 Output Shaft 659853 70060-03364 Shim 659854 70060-03365 Snap ring 656652 70060-03366... -
Page 40: Available Options
AVAILABLE OPTIONS SIDE EXTENSIONS L2177 OM 0427SB-A [37]... -
Page 41: Torque Specification Table
TORQUE SPECIFICATION TABLE ENERAL SPECIFICATION TABLE SE THE FOLLOWING TORQUES WHEN SPECIAL TORQUES ARE NOT GIVEN Note:These values apply to fasteners as received from supplier dry, or when lubricated with normal engine oil. They do not apply if special graphited or moly sidulphide greases or other extreme pressure lubricants are used. These values apply to dry conditions;... - Page 44 Printed in Canada...
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