Kubota LA535, Operator'S Manual

Page 1: ...e 60 3 7890 3533 Philippines KUBOTA PHILIPPINES INC 232 Quirino Hiɡhway Baesa Quezon City 1106 Philippines Telephone 63 2 422 3500 Taiwan SHIN TAIWAN AGRICULTURAL MACHINERY CO LTD 16 Fenɡpinɡ 2nd Rd Taliao Shianɡ Kaohsiunɡ 83107 Taiwan R O C Telephone 886 7 702 2333 Indonesia PT KUBOTA MACHINERY INDONESIA Tower A at EiɡhtyEiɡht Kasablanka Lantai 16 Jalan Raya Casablanka Kav 88 Jakarta 12870 Indone...

Page 2: ... für Normung GERMANY Dual Traction 4WD Feet Per Minute Glide Shift Transmission High Speed Low Speed Hydrostatic Transmission Meters Per Second Power Take Off Right hand and left hand sides are determined by facing in the direction of forward travel Roll Over Protective Structures Revolutions Per Minute Revolutions Per Second Society of Automotive Engineers USA Slow Moving Vehicle KUBOTA UDT fluid...

Page 3: ...self 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 unit DANGER Indicates an imminently hazardous situation which if not avoided will result in death or serious injury WARNING Indicates a potentially hazardous situation which if not avoided could result ...

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Page 5: ...2 PRECAUTIONS FOR OPERATING THE LOADER 22 OPERATION OF THE LOADER 22 TECHNIQUES FOR OPERATING THE LOADER AND THE TRACTOR 22 1 Filling the bucket 22 2 Precautions for lifting the load 23 3 Precautions for carrying the load 23 4 Dumping and lowering the bucket 24 5 Precautions for operating the loader with float control 24 6 Loading from a bank 25 7 Peeling and scraping the ground 26 8 Loading low t...

Page 6: ...que of hardwares of Mechanical self leveling if equipped 36 3 Checking the movement of the lifting stand if equipped 36 REMOVING THE LOADER 37 HOW TO REMOVE THE LOADER 37 1 Removing Non Swift Tach loader 37 2 Removing Swift Tach loader if equipped 38 STORAGE OF THE LOADER 41 STORING THE LOADER 41 REINSTALLING THE LOADER 42 HOW TO REINSTALL THE LOADER 42 1 Reinstalling Non Swift Tach loader 42 2 Re...

Page 7: ...prevent accidental actuation when the implement is not in use or during transport Do not utilize the loader control valve lock for maintenance or repair of the machine Assemble remove and reinstall the loader only as directed in this manual Otherwise serious personal injury or death may result Follow the precautions below when attaching attachments 2 lever quick coupler Make sure that both handles...

Page 8: ...nger of rolling the tractor over Danger of upending the tractor Danger of the object rolling or sliding down the boom of the loader onto the operator If you must handle the large heavy objects protect yourself by the following preventive measures Never lift the load higher than necessary to clear the ground Add the rear ballast to the tractor to compensate for the load or use the rear implement Ne...

Page 9: ... suddenly leak down or be accidentally lowered Escaping hydraulic oil under pressure can produce sufficient force to penetrate the skin causing serious personal injury Do not use hands to search for suspected leaks Use a piece of cardboard or wood to search for suspected leaks If injured by escaping fluid obtain medical treatment immediately Do not tamper with the setting of the relief valve The r...

Page 10: ...SAFETY LABELS SAFE OPERATION 6 LA535 ...

Page 11: ...SAFE OPERATION LA535 7 ...

Page 12: ...bels otherwise the safety labels may peel off Replace damaged or missing safety labels with new safety labels from your local Kubota Dealer If a component with safety label s attached is replaced with new component make sure that new safety label s is are attached in the same location s as the replaced component Attach new safety labels by applying on a clean dry surface and pressing any bubbles t...

Page 13: ...eed of parts or major service be sure to see your Kubota dealer For service contact the Kubota dealership from which you purchased your loader or your local Kubota dealer When in need of parts prepare to give your dealer the 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 t...

Page 14: ...s 7 12 Rear tires 12 4 16 Boom cylinder Bore mm in 45 1 77 Stroke mm in 359 5 14 2 Bucket cylinder Bore mm in 45 1 77 Stroke mm in 385 15 2 Control valve 4 Position bucket control valve type One Detent Float Position Two Stage Bucket Dump Power Beyond Circuit Rated flow L min GPM 18 9 4 99 Maximum pressure MPa kg cm2 psi 16 6 169 2408 Net weight approximate kg lbs 255 1 562 The company reserves th...

Page 15: ...60 0 Depth L mm in 456 18 529 20 8 Height M mm in 562 22 1 562 22 1 Length N mm in 495 19 5 566 22 3 Capacity Struck m3 cu ft 0 21 7 4 0 23 8 1 Heaped m3 cu ft 0 26 9 2 0 29 10 2 Weight kg lbs 80 176 86 189 The company reserves the right to change the specifications without notice BUCKET SPECIFICATIONS TABLE SPECIFICATIONS LA535 11 ...

Page 16: ...in mm in 2134 84 B Max lift height under level bucket mm in 2027 79 8 C Clearance with bucket dumped mm in 1696 66 8 D Reach at max lift height dumping reach mm in 667 26 3 E Max dump angle deg 36 F Reach with bucket on ground mm in 1483 58 4 G Bucket roll back angle deg 30 H Digging depth mm in 126 5 0 J Overall height in carrying position mm in 1187 46 7 The company reserves the right to change ...

Page 17: ...pin 1500 mm height kg lbs 601 1324 X Lift capacity 500 mm forward 1500 mm height kg lbs 458 1010 Y Breakout force bucket pivot pin N lbf 9987 2245 Z Breakout force 500 mm forward N lbf 7267 1634 VV Bucket roll back force at max height N lbf 8964 2015 XX Bucket roll back force at 1500 mm height N lbf 11391 2561 ZZ Bucket roll back force at ground level N lbf 9999 2248 Raising time sec 3 6 Lowering ...

Page 18: ... LA535 A Height mm B Lift capacity kg C At pivot pin D 500 mm forward of pivot pin E Rollback force kN The company reserves the right to change the specifications without notice SPECIFICATIONS 14 LA535 ...

Page 19: ...LOADER TERMINOLOGY 1 Side frame 2 Mounting pin 3 Main frame 4 Boom cylinder 5 Boom 6 Bucket cylinder 7 Bucket 8 Loader control lever 9 Lock lever LOADER TERMINOLOGY SPECIFICATIONS LA535 15 ...

Page 20: ...n fluid level park the machine on a flat surface lower the bucket to the ground and lower the 3 point hitch 1 Check the transmission fluid level of the tractor 2 Add the transmission fluid if necessary Refer to the tractor operator s manual for instructions and proper transmission fluid 1 Dipstick 2 Oil inlet A Range where oil level is ac ceptable drop within 3 Repeat check of the transmission flu...

Page 21: ...ds as follows Front Rear A Tread width Front Tire 7 12 Farm 24 8 50 14 Turf 23 8 50 14 Industry 23 8 50 12 R14 Tread A 935 mm 36 8 in A 930 mm 36 6 in A 905 mm 35 6 in A 970 mm 38 1 in SETTING THE TREAD PRE OPERATION CHECK LA535 17 ...

Page 22: ...eel ballast The amount of rear ballast will depend on the application Implement as counter weight LA535 4 Land Scraper Approx 225 kg 496 lbs Rear Blade Approx 250 kg 550 lbs Rotary Tiller Approx 250 kg 550 lbs Back Hoe Approx 400 kg 880 lbs 1 Liquid ballast in the rear tires Water and calcium chloride solution provide a safe and economical ballast Used properly it will not damage tires tubes or ri...

Page 23: ...zes Inflation pressure Front 7 12 4PR 170 kPa 1 7 kgf cm2 24 psi 24 8 50 14 4PR 150 kPa 1 5 kgf cm2 22 psi 23 8 50 14lnd 4PR 241 kPa 2 5 kgf cm2 35 psi 23 8 50 12 R14 6PR 234 kPa 2 4 kgf cm2 34 psi 25 8 50 14 R14 6PR ROPS only 221 kPa 2 2 kgf cm2 32 psi Rear 12 4 16 4PR 110 kPa 1 1 kgf cm2 16 psi 13 6 16 4PR 100 kPa 1 0 kgf cm2 14 psi 12 4 16lnd 4PR 138 kPa 1 4 kgf cm2 20 psi 14 17 5 R14 6PR 210 k...

Page 24: ...ons are separated by a detent for your convenience PURGING AIR FROM THE HYDRAULIC SYSTEM 1 Repeat operations of raising and lowering the boom and dumping and rolling back the bucket until all the air is removed from the hydraulic system and the hydraulic system responds properly IMPORTANT Do not move the loader control lever into the float position when the bucket is off the ground DUAL REMOTE HYD...

Page 25: ...der remote control valve lever diagonally direction a direction b and direction c shown in the figure You can control the first and second segments at once 1 Loader remote control valve lever A Float R1 Right R2 Right NOTE Move the loader remote control valve lever to the FLOAT position and it will be held there by the detent mechanism To use the loader remote control valve as a floating valve wit...

Page 26: ...e spillage of the bucket and unnecessary strain on the tractor and the loader When operating in temperatures below 1 30 run the tractor engine below 1200 rpm until the oil temperature exceeds 1 30 Temperature below 1 30 Engine speed below 1200 rpm Oil temperature 1 30 OPERATION OF THE LOADER 1 Loader control lever A Down and dump B Dump C UP and dump D Up E Roll back F Down and roll back G Down H ...

Page 27: ...loader capacity Before raising the bucket to full height make sure that the tractor is on level ground If the tractor is not on level ground the tractor may tip over even if it is not moving When lifting the load keep the bucket positioned to avoid spillage 3 Precautions for carrying the load WARNING To avoid personal injury or death Be extra careful when working on inclines When operating on a sl...

Page 28: ... the bucket Lowering the bucket 1 After dumping the bucket back away from the vehicle while lowering and rolling back the bucket 5 Precautions for operating the loader with float control During operation of the loader on hard surface keep the bucket level and put the lift control in the float position to permit the bucket to float on the working surface If hydraulic down pressure is exerted on the...

Page 29: ...ng height is increased Side cutting is a good technique for cutting down a big pile Wheel width should not exceed the bucket width for the side cutting procedure If the pile sides are too high and liable to cause cave in use the loader to break down the sides until a slot can be cut over the top Another method for large dirt piles is to build a ramp to approach the pile It is important to keep the...

Page 30: ...l the desired depth is reached During each pass use only the bucket control while at working depth Using only the bucket control will allow you to concentrate on controlling the bucket angle to maintain a precise cut 8 Loading low trucks or spreaders from a pile For faster loading minimize the angle of turn and length of operation between pile and spreader Back grade occasionally with a loaded buc...

Page 31: ... in the dumped position will impose severe shock loads on the dump linkage the bucket cylinders and the tractor Leave dirt in the bucket because dumping on each pass wastes time Operate at right angles to the ditch Take as big a bite of the soil pile as the tractor can handle A Ditch B Soil pile Leave dirt which drifts over the side of the bucket for final cleanup A Ditch Pile dirt on the high sid...

Page 32: ...sure that the loader and the bucket are at proper height and have stopped moving before transport VALVE LOCK The control valve is equipped with a valve lock WARNING To avoid personal injury or death from crushing Do not utilize the valve lock for machine maintenance or repair The valve lock is to prevent accidental actuation when implement is not in use or during transport The control valve can be...

Page 33: ...c oil will come out of the port A and return through the port B as long as the activation switch is pressed When pressing the activation switch B hydraulic oil will come out of the port B and return through the port A as long as the activation switch is pressed 3 Push the front hydraulic valve main switch again to disengage the front hydraulic valve The front hydraulic valve main switch light will...

Page 34: ... pressure 4 Pull the hydraulic hose straight from the hydraulic coupler to release it 5 Clean oil and dust from the hydraulic coupler and then replace the dust plugs ATTACHMENT INSTRUCTION 1 Attaching the attachments DANGER To avoid personal injury or death Use of a non Kubota attachment that does not comply with ISO24410 or the improper positioning of handle s or non engagement of pin s may resul...

Page 35: ...th The following engagement points are critical The lock pins of the 2 lever quick coupler must protrude into and through the pin slots of the attachment on both sides It is critical that the lock pins are in good condition and without visible signs of wear or damage It is critical that the operator align the 2 lever quick coupler of the loader with the attachment to allow the lock pins to go thro...

Page 36: ...the loader so that the 2 lever quick 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 2 lever quick coupler immediately push the 2 lever quick coupler handles to the locked position to prevent damage to the handle assembly 3 Dismounting the loader WARNING To avoid personal injury death or machine damage...

Page 37: ... the indicator label front attachment 1 With front attachment mounted to the tractor apply indicator label to attachment inline with center of tractor as shown below 1 Label ATTACHMENT INSTRUCTION OPERATING THE LOADER LA535 33 ...

Page 38: ...2 Before daily operation check the hydraulic fluid level of the tractor If the hydraulic fluid level is low add the hydraulic fluid as described in the tractor operator s manual Also change the filter element and the hydraulic fluid as recommended in the tractor operator s manual SERVICE EVERY 20 HOURS TO 30 HOURS 1 Re tightening of hardwares of the loader After 20 to 30 hours of initial loader op...

Page 39: ...2 With the engine off and the bucket on the ground inspect all hoses for cuts or wear Check for signs of leaks and make sure all fittings are tight WARNING To avoid personal injury or death Escaping hydraulic fluid under pressure can produce sufficient force to penetrate skin causing serious personal injury Before disconnecting lines be sure to relieve all pressure Before applying pressure to the ...

Page 40: ...equipped Check the bolts and nuts of Mechanical self leveling regularly especially when they are new If the bolts and nuts of Mechanical Self leveling are loosen tighten them as follows Bolt torque 1 2 3 260 to 304 N m 26 5 to 31 0 kgf m 192 to 224 lbf ft 3 Checking the movement of the lifting stand if equipped 1 Check the lifting stand linkage for dirt or debris and ensure the linkage rotates fre...

Page 41: ... 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 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 1 Stand IMPORTANT Lift the weight off the front wheels with the bucket Do not lift them with the stands 8 Stop the ...

Page 42: ... away from the loader 2 Removing Swift Tach loader if equipped WARNING To avoid personal injury or death If you do not get off the tractor while removing or reinstalling the loader Stop the engine before operating the mounting lever Get off the tractor when you feel uneasy to do some operation 1 Raise the boom until the bucket pivot pin is the height of the boom pivot pin 2 Dump the bucket fully 1...

Page 43: ... front wheels the stands are not to be grounded 6 Lift the mounting levers into the unlock position both sides 1 Mounting lever A Left side B Right side 7 Slowly operate the control lever to extend the boom cylinders to half stroke and roll back the bucket to raise the side frames up and out of receivers of the main frames as shown 1 Loader control lever 8 Operate the control lever to fully retrac...

Page 44: ... control lever in all directions 12 Set the parking brake and unfasten seat belt turn the safety lock button counterclockwise to unlock it 1 Safety lock button red 13 Raise the quick coupler lever up until it stops 1 Lever 14 Lift the quick coupler and place it into the coupler stay 1 Quick coupler 2 Coupler stay 15 Place the protective caps on the ends of the quick coupler 1 Protective caps 16 Fa...

Page 45: ... hoses and connections Repair or replace the hydraulic hoses if necessary 4 Repair or replace any worn damaged or missing parts 5 Lubricate the loader as described on LUBRICATING THE LOADER on page 34 6 Apply a coat of grease to all exposed cylinder rods to prevent rust 7 Repaint worn or scratched parts STORING THE LOADER STORAGE OF THE LOADER LA535 41 ...

Page 46: ...control valve as indicated with color marks Then connect the protective caps and plugs to each other 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 Then lift the front wheels slightly with the loader 1 Hydraulic control...

Page 47: ...er Stop the engine before operating the mounting lever Get off the tractor when you feel uneasy to do some operation 1 Carefully drive the tractor between the side frames of the loader as shown in the following figures 1 Side frame 2 Main frame A 150 mm to 200 mm 2 Stop the engine set the parking brake and unfasten the seat belt 3 Remove the protective caps from the tractor quick coupler 1 Protect...

Page 48: ... safety lock button clockwise 1 Safety lock button red 2 Lever IMPORTANT Get the quick coupler locked and move up and down the lever to make sure that the quick coupler is tightly locked 8 Make sure that the mounting levers of both sides are in the lock position as shown in the follow figures 1 Mounting lever A Left side B Right side 9 Fasten the seat belt and start the engine REINSTALLING THE LOA...

Page 49: ... cylinder 4 Boom A Good B No good X 8 0 to 10 0 in 203 to 254 mm 11 Slowly operate the loader control lever to the dump position to lower the side frames into the main frames and engage the left and right guide bosses of the side frames to the saddle bracket of the main frames as shown in the following figure 1 Guide boss of side frame 2 Saddle bracket of main frame A Engaging bosses A Engage B To...

Page 50: ... until the mount hooks are completely mounted on the main frame as shown in the following figure 1 Mount hook IMPORTANT Make sure that the mount hooks at both sides are properly mounted on the main frame A Good B No good 14 Slowly operate the loader control lever to the up position until the cutting edge of the bucket comes up slightly off the ground Then make sure that the right and left mounting...

Page 51: ...ck to step 13 and take its following steps 19 Verify LH RH stand hooks are engaged properly as shown below 1 Stand 2 Stand hook 3 Adjusting the swift tach stand If the stand does not hook and fold up successfully readjust the height of lifting stand referring to the following steps 1 Ensure that the left and right stand adjusting plate is in the lowest possible position as seen in the figure 1 Sta...

Page 52: ... 4 to 5 mm 0 15 to 0 19 in clearance 5 Move the stand to the unlock position as seen in the figure 1 Stand lever A Unlocked position NOTE If stand rollers do not disengage stand hooks lift both stand by hand to release rollers while stand lock lever is in the unlocked position 6 Roll bucket back until roller is in line with the stand hook as seen in the figure 1 Roller 2 Stand hook A Inline condit...

Page 53: ...ord 8 Remove rue ring and slide upper end of connecting rod off of the stand lever as shown in the figures 1 Rue ring 2 Connecting rod 3 Stand lever 9 If measurement from step 7 was less than 1 mm 0 04 in rotate the rod connector counter clockwise extend If measurement from step 7 was greater than 2 mm 0 08 in rotate the rod connector clockwise shorten Each half rotation 0 6 mm 0 02 in 10 Slide st...

Page 54: ...plate 15 Dump the bucket to max as seen in the figure A Max dump 16 Adjust the stand adjusting plate on both sides to 1 to 2 mm 0 04 to 0 08 in of clearance X from the bucket stopper as in the figure Then retighten locking nut 1 Stand adjusting plate 2 Bucket stopper 3 M10 locking nut X 1 to 2 mm 0 04 to 0 08 in NOTE Use provided band cord 1 25 mm 0 05 in thick as a spacer tool for clearance X as ...

Page 55: ...18 Complete See Removing Swift Tach Loader section of operator s manual for function check instructions HOW TO REINSTALL THE LOADER REINSTALLING THE LOADER LA535 51 ...

Page 56: ...to 179 0 N m 15 21 kgf m to 18 25 kgf m 110 0 lbf ft to 132 0 lbf ft 217 0 N m to 260 4 N m 22 13 kgf m to 26 55 kgf m 160 0 lbf ft to 192 0 lbf ft 5 8 203 4 N m to 244 1 N m 20 74 kgf m to 24 89 kgf m 150 0 lbf ft to 180 0 lbf ft 298 3 N m to 358 0 N m 30 42 kgf m to 36 51 kgf m 220 0 lbf ft to 264 0 lbf ft Metric cap screws Property class 8 8 Approx SAE GR5 M6 9 8 N m to 11 2 N m 1 0 kgf m to 1 ...

Page 57: ... A Top of bolt B Length REINSTALLING THE LOADER LA535 53 ...

Page 58: ...icator label applying front attachment 33 L liquid ballast rear tire 18 loader daily checking 35 dismounting 32 loading from bank 25 operating 22 precautions for carrying load 23 precautions for handling large heavy objects 28 storing 41 terminology 15 loader with float control precautions for operating 24 loader remote control valve lever operating 21 loading low trucks from a pile 26 loading or ...

Page 59: ...l 12 operational 13 specifications table bucket 11 loader 10 suitable tractor 10 Swift Tach loader if equipped reinstalling 43 removing 38 swift tach stand adjusting 47 T test operation 19 tire inflation 19 transmission fluid checking 16 V valve lock 28 valve lock 22 W weight rear ballast 18 LA535 55 ...