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Содержание LA434

Страница 1: ...OPERATOR S MANUAL KUBOTA FRONT LOADER MODEL LA434 1AIABCPAP0350 READ AND SAVE THIS MANUAL Kubol o ...

Страница 2: ...Institut fiir Normung GERMANY DT Dual Traction 4WD fpm Feet Per Minute GST Glide Shift Transmission Hi Lo High Speed Low Speed HST Hydrostatic Transmission m s Meters Per Second PTO Power Take Off RH LH Right hand and left hand sides are determined by facing in the direction of forward travel ROPS Roll Over Protective Structures rpm Revolutions Per Minute r s Revolutions Per Second SAE Society of ...

Страница 3: ...ual to be outdated KUBOTA distributors and dealers will have the most up to date information Please do not hesitate to consult with them A SAFETY FIRST This symbol the industry s Safety Alert Symbol is used throughout this manual and on labels on the mower itself to warn of the possibility of personal injury Read these instmctions carefully It is essential that you read the instructions and safety...

Страница 4: ...NTROL SYSTEM 10 Control Lever and Hydraulic Hose Connections 10 Loader Remote Control Valve Lever 10 OPERATING THE LOADER 11 FILLING THE BUCKET 11 LIFTING THE LOAD 11 CARRYING THE LOAD 12 DUMPING THE BUCKET 12 LOWERING THE BUCKET 12 OPERATING WITH FLOAT CONTROL 12 LOADING FROM A BANK 13 PEELING AND SCRAPING 13 LOADING LOW TRUCKS OR SPREADERS FROM A PILE 14 BACKFILLING 14 HANDLING LARGE HEAVY OBJEC...

Страница 5: ...LET FORK 21 MAINTENANCE 23 LUBRICATION 23 RE TIGHTENING OF HARDWARE 23 DAILY CHECKS 24 EVERY 50 HOURS 25 Checking main frame bolt and nut torque 25 General torque specification 26 REMOVING THE LOADER 27 STORING THE LOADER 29 REINSTALLING THE LOADER 30 ...

Страница 6: ...g or malfunctioning parts Make necessary repairs before operating 5 Replace damaged or illegible safety labels See following pages for required labels 6 When the front loader is mounted on the tractor enter and exit the operator s seat only from left side of the tractor 7 Engage the loader control valve lock to prevent accidental actuation when the implement is not in use or during transport Do no...

Страница 7: ...n rope or cable Doing so could cause a rollover or serious damage to the loader 18 Be extra careful when operating the tractor on a slope always operate up and down never across the slope Do not operate on steep slopes or unstable surfaces 19 When operating another implement on a hillside be sure to remove the loader to reduce the risk of rollover 20 Carry loader boom at a low position during tran...

Страница 8: ...rs and livestock away when operat ing loader and tractor 4 Avoid holes loose ground and rocks which may cause tractor loader to tip 5 Make sure approved bucket is attached before removing loader from tractor 6 When parking or storing choose flat and hard ground Lower the bucket to the ground set brakes and remove key before leaving tractor 7 Before disconnecting hydrau lic lines relieve all hydrau...

Страница 9: ...ury ordeat 1AIABAAAP119A 2 Part No 7J246 5643 1 3 Part No 7J048 3923 5 B2366QuickCoupler A DANGER TO AVOID SERIOUS INJURY OR DEATH CAUSED BY FALLING LOADS 1 Load on raised bucket or fork operator causing serious injury or death 2 Use approved clamping and or guard attachments for handling large loose or shiftable loads such as bales posts sheets of plywood etc 1AIABACAP075A ADANGER PALLET FORK RAT...

Страница 10: ...oft cloth 3 Replace damaged or missing danger warning and caution labels with new labels from your local KUBOTA dealer 4 If a component with danger warning and caution label s affixed is replaced with new part make sure new label s is are attached In the same location s as the replaced component 5 Mount new danger warning and caution labels by applying on a clean dry surface and pressing any bubbl...

Страница 11: ... parts or major service be sure to see your KUBOTAdealer For service contact the KUBOTA dealership from which you purchased your loader or your local KUBOTAdealer When in need of parts be prepared to give your dealerthe loader serial number Locate the serial numbers now and record them in the space provided KUBOTA LOADER Model Serial Number Date of Purchase Name of Dealer To be filled in by purcha...

Страница 12: ...1563 61 5 FRONT TIRES 7 12 REAR TIRES 11 2 16 BOOM CYLINDER BORE mm in 45 1 77 STROKE mm in 349 13 7 BUCKET CYLINDER BORE mm in 45 1 77 STROKE mm in 336 13 2 CONTROL VALVE One Detent Float Position Two Stage Bucket Dump Power Beyond Circuit RATED FLOW L min GPM 17 9 4 7 MAXIMUM PRESSURE MPa kg cm psi 13 8 141 2000 NET WEIGHT APPROXIMATE kg lbs 208 459 ...

Страница 13: ...HEAPED m CU FT 0 184 6 5 0 25 8 8 0 29 10 2 WEIGHT kg lbs 68 150 90 198 98 216 103 227 DIMENSIONAL SPECIFICATIONS LOADER MODEL LA434 TRACTOR MODEL B2301 B2601 A MAX LIFT HEIGHT TO BUCKET PIVOT PIN mm in 1995 78 5 B MAX LIFT HEIGHT UNDER LEVEL BUCKET mm in 1853 72 9 C CLEARANCE WITH BUCKET DUMPED mm in 1568 61 7 D REACH AT MAX LIFT HEIGHT DUMPING REACH mm in 393 15 4 E MAX DUMP ANGLE deg 40 F REACH...

Страница 14: ...LIFT CAPACITY 500 mm FORWARD 1500 mm HEIGHT kg lbs 394 868 Y BREAKOUT FORCE BUCKET PIVOT PIN N Ibf 9546 2146 z BREAKOUT FORCE 500 mm FORWARD N Ibf 6763 1520 w BUCKET ROLL BACK FORCE AT MAX HEIGHT N Ibf 8111 1823 XX BUCKET ROLL BACK FORCE AT 1500 mm HEIGHT N Ibf 9645 2168 zz BUCKET ROLL BACK FORCE AT GROUND LEVEL N Ibf 7726 1737 RAISING TIME sec 3 7 LOWERING TIME sec 2 7 BUCKET DUMPING TIME sec 1 9...

Страница 15: ...2000 1500 E B 2 1000 D X 500 pivot pin 500 of pi Tim fon vard ot pin 1500 1AIABCPAP016A 500 1000 Lift Capacity kg 2000 1500 E E r 1000 0 I 500 SPECIFICATIONS 5 10 Rollback Force kN 15 ...

Страница 16: ...6 SPECIFICATIONS LOADER TERMINOLOGY Q 1AIABCPAP031A 1 Side frame 6 2 Loader control lever 7 3 Mounting pin 8 4 Main frame 9 5 Boom cylinder 1AIABCPAP029A ...

Страница 17: ...luid level Add fluid if necessary Refer to the tractor operator s manual for instructions and proper fluid Repeat this check after purging air from the system At that time it will be necessary to add transmission fluid 1AIABDDAP021A 1 Dipstick Rear A Oillevelis acceptable within this range 2 Oil inlet IMPORTANT To check the tractor transmission fluid level lower the bucket to the ground and lower ...

Страница 18: ... per tire 75 Percent filled Tire sizes 9 5 16 11 2 16 12 4 16 15 19 5 Slush free at 10r 14T Solid at 30X 22T Approx 1 kg 2 lbs CaClz per4L 1 gal of water 54 kg 119 lbs 70 kg 155 lbs 85kg 187 lbs 140kg 309 lbs Slush free at 241 11 T Solid at 47t 53T Approx 1 5 kg 3 3 lbs CaClz per4 L 1 gal of water 57 kg 126 lbs 74 kg 163 lbs 89 kg 196 lbs 150 kg 331 lbs Slush free at 47 X 53 T Solid at 52 62 T App...

Страница 19: ...ered immediately PRE OPERATION CHECK 1AIABACAP011B NOTE When the lever is at each comer position marked by asterisk or lower left boom and bucket cylinders work at the same time However the lower left position Raise Roll back is not recommended for scooping because of insufficient lift force To begin a test operation slightly move the control lever from the N position Slowly raise the loader boom ...

Страница 20: ...amaged This control valve is provided with the Regeneration position When the C and D ports are used to take off hydraulic power for the hydraulic cylinder be sure to connect the C port to the Head End side port of the hydraulic cylinder Make the following connections when using this valve to take off hydraulic power for the hydraulic cylinder Colored Coupler Hydraulic Cylinder port B Yellow C Blu...

Страница 21: ...HE BUCKET Approach and enter the pile with a level bucket 1AIABACAP012A Ease control lever toward you and then leftto rollback and lift the bucket I 1AGAECDAP009H The rollback and lifting of the bucket will increase efficiency because a level bucket throughout the lifting cycle resists bucket lift and increases breakaway effort INCORRECT CORRECT 1AIABACAP014A NOTE Do not be concerned if the bucket...

Страница 22: ...en transporting a load keep the bucket as low as possible to avoid tipping in case a wheel drops in a rut INCORRECT CORRECT 1AIABACAP018A DUMPING THE BUCKET Lift the bucket just high enough to clear the side of the vehicle Move the tractor in as close to the side of the vehicle as possible then dump the bucket 1AIABACAP019A LOWERING THE BUCKET After the bucket is dumped back away from the vehicle ...

Страница 23: ...se the loader to break down the sides until a slot can be cut over the top 1AIABACAP025A OPERATING THE LOADER 13 Another method for large dirt piles is to build a ramp to approach the pile 1AIABACAP026A It is important to keep the bucket level when approaching a bank or pile This will help avoid gouging the work area 1AIABACAP027A PEELING AND SCRAPING Use a slight bucket down angle travel fonward ...

Страница 24: ...l of the bucket 1AIABACAP032A BACKFILLING Approach the pile with the bucket flat CORRECT 1AIABACAP033A Poor operating methods will move less dirt and make it more difficult to hold a level grade INCORRECT 1AIABACAP034A IMPORTANT Do not use the bucket in the dumped position for bulldozing As shown above this method will impose severe shock loads on the dump linkage the bucket cylinders and the trac...

Страница 25: ...rear baiiast to the tractor to compensate for the load C Not lifting iarge objects with equipment that does not have an anti roiibacic device D IV oving slowly and carefully E Avoiding rough terrain F Keeping transport distance as short as possible and carry the load as low as possible during transport OPERATING THE LOADER 15 VALVE LOCK A WARNING To avoid injury from crushing Do not utilize the va...

Страница 26: ...alve A light on the switch will illuminate to indicate that the front hydraulic valve is on and to enable the activation switch 2 2 Activation switch 1 When pressing the A button hydraulic oil will come out of Port A and return through Port B as long as the switch is pressed 2 When pressing the B button hydraulic oil will come out of Port B and return through Port A as long as the switch is presse...

Страница 27: ...essure 1 Move the key switch to the RUN position NOTE Don t start the engine 2 Push the front hydraulic valve main switch ON 3 Press the activation switch A and B several times 4 Push the front hydraulic valve main switch OFF 5 Turn the key switch to the OFF position Connecting 1 Clean both couplers 2 Remove dust plugs 3 Insert the implement coupler to the tractor hydraulic coupler 4 Pull the impl...

Страница 28: ... the latching pins are fully retracted Position the tractor squarely in front of the attachment and tiltthe quick attach coupler forward with the bucket cylinders 1AIABDDAP027A 1 Quick attach coupler 3 4 Ease the quick attach coupler mounting plate into the saddle of the attachment Roll the quick attach coupler back using the bucket cylinders and raise the boom slightly The back of the attachment ...

Страница 29: ... Ear plate 3 Pin slot 4 Lock pin A The handle contacts the ear plate at the points OPERATING THE LOADER 19 6 Visually verify when pushing the quick attach coupler handles into locked position that the latch pins rotate completely and are located underneath the stop of the quick attach coupler 1AIABDDAP029A 1 Latch pins 2 Quici attach coupler stopper 7 When attaching different attachments visually ...

Страница 30: ...he quickattach coupler mounting plate clears the attachment saddle 6 Back away from the attachment slowly 7 If an attachment is not going to be attached to the quick attach coupler immediately push the handles of the quick attach coupler to the locked position to prevent damage to the handle assembly DISMOUNTING THE LOADER A WARNING To avoid machine damage or serious injury Remove ioader from trac...

Страница 31: ...K 1 Install the fork to the middle of the frame fit the lower hook of the fork to the center notch of the frame 1AIABDDAP041A 1 Fork 2 Slide the fork to the desired position 1AIABDDAP042A 1 Fork 3 Push the lock lever and slide the fork slightly until the lock pin engages with one of the notches to lock the folk unlock 1AIABACAP067C 1 Lock lever ...

Страница 32: ...22 OPERATING THE LOADER 4 The other fork can be installed using the same procedures 1AABDDAP040A ...

Страница 33: ...bel 1AIABDDAP020A 2 Daily before operation check the tractor hydraulicfluid level Iflow add as described in the tractor s operator s manual Also change the filter element and the hydraulic fluid as recommended in the tractor s operator s manual MAINTENANCE 23 RE TIGHTENING OF HARDWARE After 20 to 30 hours of initial loader operation re tighten all mounting bolts and nuts to the required torque val...

Страница 34: ...onnections are tight and that lines tubes and hoses are not damaged Fluid escaping from a very small hole can be almost invisible Use a piece of cardboard or wood rather than your hands to search for suspected leaks 1AIABACAP041A 1 Hydraulic line 2 Cardboard 3 Magnifying glass If injured by escaping fluid see a doctor at once Serious infection or allergic reaction will develop if proper medical tr...

Страница 35: ... Check main frame bolts and nuts regularly especially when new Ifthey are loose tighten them as follows 1AIABCPAP033A 1AIABCPAP034A 1 Main frame 2 M14 bolts Tightening torque 150 N m 15 1 kgf m 110 ft lbs 3 M12 bolts pitch 1 75 Tightening torque 90 N m 9 2 kgf m 66 5 ft lbs 4 M12 bolts Tightening torque 80 N m 8 1 kgf m 59 ft lbs 5 M12 nuts Tightening torque 90 N m 9 2 kgf m 66 5 ft lbs 6 M14 bolt...

Страница 36: ... 46 45 0 to 54 0 M10 N m kgf m ft lbs 48 1 to 55 8 4 9 to 5 7 35 5 to 41 2 N m 1 2 kgf m ft lbs 108 5 to 130 2 11 06 to 13 28 80 0 to 96 0 149 2 to 179 0 15 21 to 18 25 110 0 to 132 0 M12 N m kgf m ft lbs 77 5 to 90 1 7 9 to 9 2 57 2 to 66 5 N m 9 16 kgf m ft lbs 149 2 to 179 0 15 21 to 18 25 110 0 to 132 0 217 0 to 260 4 22 13 to 26 55 160 0 to 192 0 M14 N m kgf m ft lbs 124 to 147 12 6 to 15 0 9...

Страница 37: ...ing the stands to the boom Slide the stands leftward and rotate them until the hole in the stand and pin on the boom are aligned Then slide the stands rightward and insert the spring pin as shown 1AIABCPAP005A 1 Stand 2 Spring pin 5 Start the engine and run at idle 6 Dump the bucket approximately 20 degrees 7 Lower the boom and raise the front wheels slightly 1AABDDAP004A 1 Stand IMPORTANT Lift th...

Страница 38: ...s 13 Disconnect the 4 hoses with quick couplers at the control valve NOTE Make sure The hoses are out of contact with the front wheel Dirt does not come in contact with the couplers and there is no oil leakage 14 Place the protective caps and plugs on the quick coupler ends LJ 1AGAECDAP020B 1 Protective caps 15 Start the engine and slowly back the tractor away from the loader ...

Страница 39: ...tect them from dust 4 Check all hydraulic hoses and connections Repair or replace them if necessary 5 Repair or replace any worn damaged or missing parts 6 Lubricate loader as described in LUBRICATION in Maintenance section 7 Apply a coat of grease to all exposed cylinder rods and mounting pins to prevent rust 8 Repaint worn or scratched parts STORING THE LOADER 29 ...

Страница 40: ... 3 Connect four hoses with couplers to the nipples on the control valve as indicated with color marks Then connect the protective caps and plugs to each other 1AIABCPAP010A 1 Hoses 4 Start the engine and run at idle 5 Slowly move the hydraulic control lever to dump position to lower the side frames into the main frames and engage the bosses of the main frames to the guide bosses of the side frames...

Страница 41: ...t the engine 8 Raise the boom until the stand can be rotated 9 Stop the engine 10 Store the stand to their original positions and secure it with the spring pin as shown 1AIABCPAP011A 1 Stand 2 Spring pin g 11 Start the engine 12 Lower the boom and level the bucket REINSTALLING THE LOADER 31 ...

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Страница 43: ...h accompany them however are unified by one central commitment KUBOTA makes products which taken on a national scale are basic necessities Products which are indispensable Products which are intended to help individuals and nations fulfill the potential inherent in their environment KUBOTA is the Basic Necessities Giant This potential includes water supply food from the soil and from the sea indus...

Страница 44: ...25 29 Permas Way Truganina VIC 3029 Australia Telephone 61 3 9394 4400 Malaysia SIME KUBOTA SDN BHD No 3 Jalan Sepadu 25 123 Taman Perindustrian Axis Seksyen 25 40400 Shah Alam Selangor Darul Ehsan Malaysia Telephone 60 3 736 1388 Philippines KUBOTA PHILIPPINES INC 232 Quirino Highway Baesa Quezon City 1106 Philippines Telephone 63 2 422 3500 Taiwan SHIN TAIWAN AGRICULTURAL MACHINERY CO LTD 16 Fen...

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