Kubota LA535, Assembly Instructions Manual

Page 1: ...ASSEMBLY INSTRUCTIONS MODEL LA535 READ AND UNDERSTAND THIS MANUAL BEFORE ASSEMBLING 4FAAABXAP2350 Code No 7J066 6915 2 English U S A AY H 2 2 K PRINTED IN U S A KUBOTA Corporation 2020 ...

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Page 3: ...Side ROPS Section 20 SWIFT TACH IF EQUIPPED 23 Stand 23 Stand Lock Lever 25 Uninstalling Mount Pin Holder 26 Hook Lever 26 Label Application 27 Hydraulic Tubes 27 4P Coupler Bottom 28 Foldable Lever 28 MSL IF EQUIPPPED 28 Coupler Stay 28 MSL Assembly Tractor Side 29 MSL Assembly Loader Side 30 INSTALLING THE LOADER 34 Adjusting the Height of Lifting Stand 38 Instruction Tag 42 PRE OPERATION CHECK ...

Page 4: ...CONTENTS TIGHTENING TORQUE OF ADAPTORS ELBOWS AND OTHERS 47 ...

Page 5: ...caught in the equipment must not be worn Loose clothing can cause serious injury or death 4 Always wear a mask and protective goggles during work when dust or flying debris may be thrown by equipment 2 Assembly and adjustments 1 Before assembling equipment read the assembly instructions for the product to become familiar with the equipment and procedures 2 Use only adequate and required equipment ...

Page 6: ... UNPACKING AND CHECKING PARTS BUnpacking Wooden Crate 1 Cutting metal bands if two are banded together Metal bands hold the two crates together as one Cut these bands and separate the crates 2 Unpacking the crates 1 Hook a hoist to the 4 corners of the crate and raise the hoist cable until taut This serves to prevent the upper part of the crate from striking the loader when cut 2 Saw the crate as ...

Page 7: ... each kit REF No PART No PART NAME Q TY REMARKS 1 BOOM ASSEMBLY 1 2 2 LEVER QUICK COUPLER 1 3 7J066 5501 0 FRAME MAIN LH 1 4 7J066 5503 0 FRAME MAIN RH 1 5 7J056 5591 0 CONNECTOR 2 6 FRONT GUARD ASSEMBLY 1 7 01073 51440 BOLT 14 M14 x 1 5 x 40 8 02076 50140 NUT 4 M14 x 1 5 9 04612 50160 CIR CLIP EXTERNAL 1 10 04512 50140 WASHER SPRING LOCK 14 11 7J612 5681 0 PIN MOUNT 2 12 04612 5016 0 CIR CLIP EXT...

Page 8: ...ic parts make sure parts remain clean of contamination If contamination occurs it could affect the performance of the hydraulic system A When using the tapered adapters wrap the seal tape around the thread part 2 or 3 times At this time ensure all contaminants are removed from the threads A To avoid damage to hoses adjust all connections to route hoses away from sharp edges and do not twist hoses ...

Page 9: ... 3 3 M14 bolts 1 Main frame 2 1 M14 bolt 1 M14 spring lock washer 3 3 M12 bolts pitch 1 75 Original 3 M12 spring lock washers Original 4 3 M14 bolts pitch 1 75 Original 3 M14 spring lock washers Original 2 4 Tightening torque 124 to 147 N m 12 6 to 15 0 kgf m 91 5 to 108 4 lbf ft 3 Tightening torque 80 0 to 90 0 N m 8 2 to 9 2 kgf m 59 0 to 66 4 lbf ft 1 Main frame connector 2 8 M14 bolts 8 M14 sp...

Page 10: ...nd bucket cylinders as shown 2 Install the indicator to Pin 8 as shown 3 Raise the boom until the stands can be rotated 1 Pin 8 2 3 Pin 3 3 4 M10 SQ neck bolts Original 4 4 M10 clinch nuts Original 5 4 Collors Original 6 2 Lever quick coupler 7 Bucket cylinder 1 Indicator assy 2 Cir clip New 1 Shackle 2 Belt sling ...

Page 11: ...for Hydraulic Line on Tractor Side Except LX3310 LX2610 LX2610SU Check the manufacturer of the hydraulic couplers male on the tractor side and the hydraulic couplers female on the loader side If they are not identical it is necessary to replace the hydraulic couplers male on the tractor side as follows The combination of different manufacturers will lead to poor performance A The difference betwee...

Page 12: ...ntrol valve be sure to hook the hoses and attach the protective plugs to their respective couplers as shown below BFront Guard Attach the front guard to the front axle frame of tractor A When attaching the front guard to the front axle frame do not tighten the bolt Make sure the top of bolts contacts the front axle frame and then tighten the nuts 1 Hoses 1 Hoses 2 Mount pin 3 Protective plugs 1 Fr...

Page 13: ...below A Before finally tightening all mounting hardware start the engine and apply down pressure to the bucket until the loader raises the front wheels slightly and make sure that the mounting pins can be rotated easily Tighten all bolts and nuts in this position 3RD FUNCTION IF EQUIPPED BLoader Side Section 1 Attach the coupler stay to the boom 2 Removing right boom cylinder and install 3rd funct...

Page 14: ...e 1 Install the hose guide on side frame RH as shown C 3rd Function Valve section 1 Install 3rd function coupler stay to Main Frame RH as shown the chart below 1 Hydraulic tube 1 Black 2 Hydraulic tube 2 Green 3 2 M6 x 25 bolts with washers 4 2 Tube stays 1 2 Nuts 3 4 UNF 2 2 Caps 3 8 NPTF 1 Hose guide 2 M16 x 30 bolt 3 M16 nut Combination Figure A B C D Kit 3rd function ON ON ON ON MSL ON ON Swif...

Page 15: ...t parts as shown below 1 Disconnect the front loader power beyond pipe 1 2 M10 x 45 bolts 2 M10 x 40 bolt with washers 3 M10 nut 1 2 M10 x 45 bolts 2 2 M10 nylon lock nuts 3 M10 bolt with washers 4 M10 nut 1 2 M10 x 45 bolts 2 M10 x 40 bolt with washers 3 M10 nut 1 3rd function valve assy 2 2 M10 x 25 bolts 1 Power beyond pipe 2 Adapter 1 Front loader power beyond pipe ...

Page 16: ...se to the power beyond pipe respectively 4 Connect the hoses to the 3rd function assembly 5 Secure the inlet hose and outlet hose with the band as shown below 1 Power beyond pipe 2 Adapter 3 4 UNF 3 Plug Original 4 2 Packing 3 Tightening torque 50 to 60 N m 5 1 to 6 1 kgf m 37 to 44 lbf ft 1 Inlet hose 2 Adapter 3 Outlet hose 4 Power beyond pipe 1 Inlet hose 2 Outlet hose 1 Inlet hose 2 Outlet hos...

Page 17: ... female coupler and dust plug A The removed female coupler and dust plug will be used again for the power beyond pipe Use the following kit parts as shown below 1 Disconnect the front loader power beyond pipe if equipped 1 Backhoe inlet pipe Disconnect 1 Female coupler 2 Dust plug 1 Power beyond pipe 2 Adapter 1 Front loader power beyond pipe ...

Page 18: ...ackhoe outlet pipe in the backhoe kit 3 Backhoe outlet hose in the backhoe kit No Size Tightening torque 1 3 4 48 to 54 N m 4 9 to 5 5 kgf m 35 to 40 lbf ft 1 Power beyond pipe 2 Female coupler in the backhoe kit 3 Dust plug in the backhoe kit 4 Sealing tape Tightening torque 39 to 60 N m 3 9 to 6 1 kgf m 29 to 44 lbf ft 1 Inlet hose 2 Adapter 3 Outlet hose 4 Power beyond pipe No Size Tightening t...

Page 19: ...er and boot 3 Remove the lever console 4 Fit the 3rd function control lever wire harness and its stay into the lever C With Swift tach Foldable lever 1 Remove the lever assembly from its base 2 Draw out the pin Separate the lever assembly from its base Then remove the lever lock assembly 1 Inlet hose 2 Outlet hose 3 2 Adapters No Size Tightening torque 1 2 3 4 49 to 53 N m 5 00 to 5 40 kgf m 36 2 ...

Page 20: ...osition Adjust the grip angle and tighten up the lock nut Then route the wire harness along the boot 6 Fit the lever to the tractor Route the wire harness and clamp it with the cord bands as shown below C Without Swift tach 1 Lever lock Upper 2 Lever boot for 3rd function 3 Lever lock assy Lower 4 Cir clip 1 Control lever 3rd function Lower 2 Harness guide 3 Crevis pin 4 Split pin 5 Lever base 1 C...

Page 21: ...ss as shown below Clamp it in place C Wire harness for CAB model 1 Detach the steering wheel by removing the pad M12 nut and spring washer Then detach the meter panel by removing the three bolts 1 Control lever 3rd function Upper 2 M12 nut 3 Cover 4 Control lever 3rd function Lower 5 Boot 1 2 M6 x 12 bolts Original 2 3rd function lever assy 1 Band code White 2 Band code Black 1 Steering wheel 2 Pa...

Page 22: ...ay to the 3rd function wire harness 4 Apply the cushion on the panel frame as shown below 5 Install the relay stay onto the meter panel stay 1 Harness 2 Ignition switch A Disconnect 1 Relay 2 Yellow connector A Disconnect Yellow coupler 1 Relay 2 Yellow connector 3 3rd function harness 1 Cushion A 20 mm B Longer side 1 Relay stay 2 M6 bolt 3 Meter panel stay A Hole for CAB model ...

Page 23: ...9 Pass the wire harness through the foot mat as shown in the following figure and connect the 3rd function control harness and the ON OFF switch harness And then pass the solenoid valve harness through the hole of the floor 1 Floor mat A 38 mm 1 5 in B 38 mm 1 5 in X Cut line 1 Band code 2 Stud type band Natural 3 Tree type band Black 1 Foot mat 2 Layer of sponge A Cut 1 Wire harness 2 3rd functio...

Page 24: ...and pass the wire harness as shown below Then connect the wire harness C Wire harness for ROPS model 1 Detach the steering wheel removing the pad an M12 nut and spring washer and then detach the meter panel removing the 5 bolts 1 2 W clamp 1 W clamp 1 Tree type band 1 Control lever 2 2 M6 bolts 3 Wire harness 1 Steering wheel 2 Pad M12 nut Spring washer 3 Meter panel cover 4 4 M16 x 14 bolt with w...

Page 25: ...owing figure 4 Connect the 3rd function harness as below Then put connected relay on relay stay as shown in the figure 1 Relay stay 2 M6 bolt 3 Meter panel stay A Hole for ROPS model 1 Relay 1 Relay Tractor 2 Power supply coupler Yellow 3 Tractor harness 4 3rd function harness 5 Coupler Male 6 Coupler Female 1 Connected relay 2 Relay stay ...

Page 26: ...x on harness then install it to relay stay 6 Clamp the harness with band code as shown in the pictures 7 Clamp the harness to the hydraulic tube with w clamp 1 2 Relay 2 Box on harness 1 Band code 1 Band code 1 W clamp 2 Harness 1 W clamp 2 Harness 1 W clamp ...

Page 27: ...th ends of the stand link assembly pushing up the torsion bar and tighten the square neck bolts with plates on both sides A Plain washers should be inserted between the stand links and the welded tractor plates 1 Tree type band 1 Stand link assembly 2 2 Band cord 1 Stand link assembly 2 Square neck bolt 3 Plate 4 Nylon lock nut 5 2 Plain washers 5 8 HD ...

Page 28: ...t position should be flush on the edge of bolt and tighten 1st nut while holding 2nd nut to ensure that kick plate can rotate smoothly A Stand adjusting plate and stand pad should be installed outside of stand 1 Plain washers 5 8 HD 2 Stand link 3 Welded tractor plate 1 Stand 2 Bucket pivot pin 3 Nut 4 Cir clip A Flush 1 1st nut 2 2nd nut 3 Kick plate A Flush 1 Stand pad 2 Stand adjusting plate ...

Page 29: ...with square neck bolt and nut ii Slide these parts to fit the neck of bolts on key hole iii Tighten the nuts Cross section top view 2 Install stand lock rod on the collar bolt and lever bracket A Key hole on lever rod should be on the slot as below 1 2 Square neck bolts 2 2 Flange nuts 3 Lock lever bracket 1 2 Square neck bolts and nuts A Slide B Key hole 1 Stand lock rod 2 Snap pin 1 Key hole on ...

Page 30: ...to hook assembly through left side of the lever A After installing the spring opening should be towards the left 2 Install hook through the back side of side frame then install pin from outside of side frame 1 Mount pin holder 1 Hook lever 2 Spring A Spring opening 1 Hook 2 Pin 3 M10 x 30 bolt with washers 4 M10 nut ...

Page 31: ... side frame as shown in the picture BHydraulic Tubes 1 Disconnect the 4 back hoses and hose clamp then install the hydraulic tube as shown in the figure 1 Spring A Slot 1 Label Stand lock 7J626 5608 0 2 Label Hook lock 7J626 5609 0 1 Label SW 7J065 5857 0 A 10 mm 1 4 Back hoses 2 Hose clamp 3 4 Hydraulic tubes Size 9 16 18 A Parallel ...

Page 32: ...y Install adapters couplers and coupler caps into the coupler stay as shown in the picture A If installing Swift tach or 3rd function see Page 9 1 4P coupler hoses A Hose White tape B Hose Yellow tape C Hose Red tape D Hose Blue tape X 90 deg 1 2 M10 x 45 bolts 2 M10 x 40 bolts 3 3 M10 nuts 4 Coupler stay 1 Foldable lever assy 2 2 M6 x 12 bolts Original 1 4 Adapters 45 deg 9 16 UNF 2 4 Adapters Bu...

Page 33: ...on pages 2 Connect the T adapter to the bottom of the coupler stay Connect the hoses between their specified ports Then secure the sleeves with the cord bands 1 Main frame RH 2 Port relief assy 3 Coupler stay 4 M10 x 40 bolt 5 M10 nut 6 2 M10 x 40 bolts 1 4 T adaptors 9 16 UNF 1 4 Hoses 520 mm 9 16 UNF 1 4 Hoses 500 mm 9 16 UNF 1 Sleeve for hoses Port relief 2 Sleeve for hoses Tractor tubes 3 2 Ba...

Page 34: ... pins 2 Carefully remove flag pins and side frame from boom To avoid personal injury or death A Boom cylinder side frame will drop potentially causing damage to hydraulic hoses Remove flag pins with caution 3 Assemble MSL bracket to side frame Hand tighten hardware A Bolt head should be on outside of side frame for both LH and RH 1 White port 2 Blue port 3 Red port 4 Yellow port 1 Boom pivot flag ...

Page 35: ...h LH and RH 5 Install s link pin and fasten with bolt with washers 1 2 M16 locking nuts 2 2 Collars 3 2 M16 x bolts 4 4 5 8 hardended plain washers 5 MSL bracket 1 Hose guide 2 M16 x 120 bolt 3 2 5 8 hardened plain washers 4 M16 locking nut 1 M10 x 25 bolt with washers 2 M10 lock nut New 3 M16 hardwares 3 Tightening torque 260 to 304 N m 26 5 to 31 0 kgf m 192 to 224 lbf ft 1 M10 x 25 bolt with wa...

Page 36: ...late to holes on boom and tighten the self taping bolts 8 Install d pin into bucket cylinder 9 Install s links onto loader 10 Install hardware onto lower s link pin 1 2 Plates 2 4 M6 x 20 self taping bolts 1 D pin 1 S link 2 Ensure hole aligns on both sides 3 Ensure boss is facing cylinder 1 M10 x 25 bolt 2 M10 washer ...

Page 37: ...figure 13 Install both parallel links A In attaching the parallel links position the serial number applied parallel link facing the left outside as shown below 1 M16 x 120 bolt 2 Collar 3 2 5 8 hardened plain washers 4 M16 locking nut 4 Tightening torque 260 to 304 N m 26 5 to 31 0 kgf m 192 to 224 lbf ft 1 D pin 1 Parallel link 1 Serial number ...

Page 38: ...en starting the engine and operating the hydraulic control valve always sit in the operator s seat 1 Carefully drive the tractor between the loader side frames as shown in the figure 1 7 M10 washers 2 8 M10 x 25 bolts 3 Level indicator guide plate 1 Side frame 2 Main frame A 254 to 280 mm 10 0 to 11 0 B Center of side frames ...

Page 39: ...nting levers of both sides are in the lock position as shown in the follow figure 6 Fasten the seat belt and start the engine 7 Slowly operate the loader control lever to roll the bucket back and extend the boom cylinders until the left and right guide bosses of side frames 1 below contact the main frames A Do not attempt to install loader side frames onto the main frames with boom cylinders fully...

Page 40: ...le bracket of the main frames Then slowly move the loader control lever to the dump position until the bucket tilts down the following degrees to the ground A Make sure the tips of the stands are off the ground 10 Slowly operate the loader control lever to down position to lift the front wheels slightly with the loader until the mount hooks are completely mounted on the main frames as shown in the...

Page 41: ...re the stand lever is at its low position as shown in the following figure 13 Raise the boom until the bucket pivot pin is the height of the boom pivot pin Then dump bucket slowly until the stands are in the stowed position 14 Using the stand lever lock the stands in the stowed position as shown below A Do not force the stand lever if it gets twisted halfway and fails to stow away the stand In suc...

Page 42: ...n 2 Dump bucket to max 3 Move stand lever to the unlocked position as seen in figure B 4 Roll bucket back until roller is in line with the stand hook center as seen in figure A 5 Lower boom until the bucket contacts the ground and turn engine off 1 Stand 2 Stand hook 1 Bucket pivot pin 2 Boom pivot pin A Same height 1 Roller 2 Stand hook A Inline condition X 1 to 3 mm A Unlocked position 1 Bucket ...

Page 43: ... connector counter clockwise If measurement from step 6 was greater than 3 mm rotate the rod connector clockwise Each half rotation 0 6 mm 9 Slide stand lever rod back onto lever and secure with rue ring repeat step 6 10 Fasten seat belt and start engine 11 Raise boom to height in step 1 and dump bucket to max dump ensure the stand lock lever is in the unlocked position and verify that the stand l...

Page 44: ...in roller path as shown in following figures 15 While maintaining stand position by hand apply downward force to adjustment plate until the adjustment plate contacts bucket contact block as shown in following figure 16 While maintaining stand and adjustment plate position by hand torque adjustment lock nut 1 Adjustment lock nut 2 Adjustment plate 1 Roller 2 Adjustment step 1 Bucket contact block 2...

Page 45: ...position 19 Fasten the seat belt and start the engine 20 Raise the boom until the same height as step 1 Then roll back the bucket to maximum 21 With engine at idle slowly dump the bucket until the stand are in the stowed position Check that the stands are working correctly 22 Raise the engine speed up to maximum Then check the procedures same as step 20 to 21 23 Using the stand lever lock the stan...

Page 46: ...e hydraulic couplers female on the loader side If they are not identical it is necessary to replace the hydraulic couplers male on the tractor side as follows The combination of different manufacturers will lead to poor performance A The difference between two couplers can also be confirmed by stamps as shown in the figure 1 Instruction tag 2 Cord band 3 Throttle lever Old 7J612 6622 0 1 4 NIPPLE ...

Page 47: ... Option BTransmission Fluid Check tractor transmission fluid level Add fluid if necessary Refer to the tractor s 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 A To check tractor transmission fluid level lower the bucket to the ground and lower the 3 point hitch 1 Dipstick Rear 2 Oi...

Page 48: ...water the counter weight should be between 91 kg and 182 kg 200 lbs and 400 lbs in weight A Do not add liquid ballast or any other weights to the front tires BTire Inflation Ensure that the tractor tires are properly inflated Refer to the tractor s Operator s Manual for optional tires BInflation Pressure Implement as Counter Weight LA535 Box Blade Approx 225 kg 496 lbs Rear Blade Approx 250 kg 550...

Page 49: ...bucket does not work in the directions indicated on the label lower the bucket to the ground stop the engine and relieve all hydraulic pressure Recheck and correct all hydraulic connections This control valve has two stage dump positions The first Regenerative dump position activated by moving the lever to the right features high speed for efficient normal loader operations The second Regular dump...

Page 50: ...4 to 20 2 3 8 N m kgf m lbf ft 47 5 to 57 0 4 84 to 5 81 35 0 to 42 0 61 0 to 73 2 6 22 to 7 46 45 0 to 54 0 M10 N m kgf m lbf ft 48 1 to 55 8 4 9 to 5 7 35 5 to 41 2 1 2 N m kgf m lbf ft 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 lbf ft 77 5 to 90 1 7 9 to 9 2 57 2 to 66 5 9 16 N m kgf m lbf ft 149 2 to 179 0 15 21 to 18 25 110 0 to 132 0...

Page 51: ... UNF 9 16 37 to 44 3 8 to 4 5 27 to 33 3 4 48 to 54 4 9 to 5 5 35 to 40 7 8 77 to 85 7 9 to 8 6 57 to 62 Hose fitting Flare nut UNF 9 16 25 to 28 2 55 to 2 85 18 5 to 20 6 3 4 49 to 53 5 00 to 5 40 36 2 to 39 0 7 8 77 to 85 7 86 to 8 67 56 8 to 62 6 1 1 16 107 to 119 10 8 to 12 0 79 to 88 1 3 16 127 to 141 13 0 to 14 4 94 to 104 Adaptor NPT 1 4 30 to 50 3 1 to 5 0 23 to 36 3 8 39 to 60 4 0 to 6 1 ...