Kubota LA535 Assembly Instructions Manual
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Kubota LA535 Assembly Instructions Manual

Kubota LA535 Assembly Instructions Manual

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

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

  • Page 3: Table Of Contents

    CONTENTS ASSEMBLY INSTRUCTIONS ..................1 TO THE DEALER..................... 1 SAFETY ........................1 UNPACKING AND CHECKING PARTS ..............2 Unpacking Wooden Crate....................2 Checking Parts .........................3 TRACTOR PREPARATION ..................4 BEFORE ASSEMBLY ....................4 ASSEMBLING LOADER KIT ................... 4 Main Frames........................4 Boom Assembly with 2-Lever Quick Coupler ..............
  • Page 4 CONTENTS TIGHTENING TORQUE OF ADAPTORS, ELBOWS AND OTHERS....47...

  • Page 5: Assembly Instructions

    ASSEMBLY INSTRUCTIONS ASSEMBLY INSTRUCTIONS TO THE DEALER (3) Working clothes which may 1. This manual contains procedures intended to assist be pinched or caught in the the dealer in unpacking and assembling the product equipment must not be worn. before delivering to the customer. Loose clothing can cause The customer's purchase is based on confidence in serious injury or death.

  • Page 6: Unpacking And Checking Parts

    ASSEMBLY INSTRUCTIONS UNPACKING AND CHECKING PARTS 3. After assembly check (1) Before operating or test driving the equipment, read and understand the operator's manual. BUnpacking Wooden Crate (2) Once the equipment is fully 1. Cutting metal bands (if two are banded together). assembled, select a safe Metal bands hold the two crates together as one.

  • Page 7: Checking Parts

    WASHER, SPRING LOCK 7J612-5681-0 PIN, MOUNT 04612-5016-0 CIR-CLIP EXTERNAL 7J066-6912-0 MANUAL (OPERATOR) 7J066-6915-0 MANUAL (E, ASSEMBLY) A For LA535, the bucket is shipped separately. A For 3rd function kit, Swift-tach kit, and MSL kit, check the packing lists included in each kit.

  • Page 8: Tractor Preparation

    ASSEMBLY INSTRUCTIONS TRACTOR PREPARATION A When fixing the pin with the bolt and nut, do not tighten Park the tractor on a firm level surface. Stop the engine. the nut completely as shown. The clearance between the boss and the nut should be 2 to 3 mm (0.08 to 0.12 BEFORE ASSEMBLY in.).
  • Page 9 ASSEMBLY INSTRUCTIONS 1. Remove the sub frame bracket from the tractor. 3. Attach the main frame connector as shown. (1) Sub frame bracket (1) Main frame connector (2) 3-M12 bolts (2) 8-M14 bolts (3) 3-M14 bolts 8-M14 spring lock washers 124 to 147 N m A Reuse the bolts fastening the sub frame bracket.

  • Page 10: Boom Assembly With 2-Lever Quick Coupler

    ASSEMBLY INSTRUCTIONS 3. Raise the boom until the stands can be rotated. BBoom Assembly with 2-Lever Quick Coupler 1. Attach the 2-lever quick coupler to the boom and bucket cylinders as shown. (1) Pin 8 (5) 4-Collors (Original) (2) 3-Pin 3 (6) 2-Lever quick coupler (3) 4-M10 SQ-neck bolts (Original) (7) Bucket cylinder...

  • Page 11: Preparation For Hydraulic Line On Tractor Side [Msl Kit And Swift-Tach Kit Only]

    ASSEMBLY INSTRUCTIONS 4. Remove the spring pins holding the stands to the boom. BPreparation for Hydraulic Line on Tractor 5. Rotate the stands until the pin on the stand and hole in Side [Except LX3310, LX2610, LX2610SU] the boom are aligned. Check the manufacturer of the hydraulic couplers (male) Then slide the stands outward and insert the cotter pin on the tractor side and the hydraulic couplers (female) on...

  • Page 12: Hydraulic Line

    ASSEMBLY INSTRUCTIONS BHydraulic Line BFront Guard Connect four hoses with couplers to the nipples on the Attach the front guard to the front axle frame of tractor. control valve as indicated with color marks. Then connect the protective caps and plugs to each other. A When attaching the front guard to the front axle frame, do not tighten the bolt.

  • Page 13: 3Rd Function (If Equipped)

    ASSEMBLY INSTRUCTIONS 3RD FUNCTION (IF EQUIPPED) A The front guard has its mounting holes in different positions between CAB models and ROPS models. BLoader Side Section Referring to the figure below, select their respective 1. Attach the coupler stay to the boom. proper mounting holes.
  • Page 14 ASSEMBLY INSTRUCTIONS C Hose guide 1. Install the hose guide on side frame RH as shown. (1) Hydraulic tube 1 (Black) (2) Hydraulic tube 2 (Green) (3) 2-M6 x 25 bolts with washers (1) Hose guide (4) 2-Tube stays (2) M16 x 30 bolt (3) M16 nut A Remove the original tube stays fixing the four loader tubes, and fix the six tubes together using the tube...
  • Page 15 ASSEMBLY INSTRUCTIONS 2. Install the 3rd function vale to valve stay as shown in the figure. (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 C 3rd Function Hydraulic Line [Not equipped with backhoe] Use the following kit parts as shown below.
  • Page 16 ASSEMBLY INSTRUCTIONS 4. Connect the hoses to the 3rd function assembly. 2. Connect the power beyond pipe and adapter as shown below. (1) Inlet hose (2) Outlet hose (1) Power beyond pipe 5. Secure the inlet hose and outlet hose with the band as (2) Adapter (3/4 UNF) (3) Plug (Original) shown below.
  • Page 17 ASSEMBLY INSTRUCTIONS [Equipped with backhoe] Use the following kit parts as shown below. If the backhoe kit has been equipped, disconnect the backhoe inlet pipe first and then remove the female coupler and dust plug. (1) Power beyond pipe (2) Adapter 1.
  • Page 18 ASSEMBLY INSTRUCTIONS 2. Connect the adapter. 4. Connect the inlet hose to the adapter and connect the outlet hose to the power beyond pipe respectively. (1) Adapter (2) Backhoe outlet pipe (in the backhoe kit) (1) Inlet hose (3) Backhoe outlet hose (in the backhoe kit) (2) Adapter (3) Outlet hose (4) Power beyond pipe...

  • Page 19: Tractor Side/Cab Section

    ASSEMBLY INSTRUCTIONS 6. Connect the hoses to the adapters of 3rd function assembly. BTractor Side/CAB Section C Control Lever for CAB 1. Cut lever boot as shown below. (1) Inlet hose (2) Outlet hose (3) 2-Adapters (1) Cutting area Size Tightening torque 2.
  • Page 20 ASSEMBLY INSTRUCTIONS 3. Set the 3rd function control lever boot onto the lever 5. Place the control lever (upper) in position. Adjust the lock assembly. Insert the cir-clip to fix them. grip angle and tighten up the lock nut. Then route the wire harness along the boot.
  • Page 21 ASSEMBLY INSTRUCTIONS 1. Remove the lever from its base. 4. Lay the wire harness as shown below. Clamp it in 2. Assemble the 3rd function control lever as shown place. below. Adjust the grip angle and tighten up the nut. (1) Band code (White) (2) Band code (Black) (1) Control lever (3rd function, Upper)
  • Page 22 ASSEMBLY INSTRUCTIONS 2. Disconnect the ignition switch wire harness, and 4. Apply the cushion on the panel frame as shown below. remove the panel cover. (1) Cushion (A) 20 mm (B) Longer side (1) Harness (A) Disconnect (2) Ignition switch 5.
  • Page 23 ASSEMBLY INSTRUCTIONS 6. To pass the wire harness, cut the floor mat as shown 8. Remove the foot mat and cut the upper layer made of below. sponge of the floor mat as shown in the following figure. (1) Floor mat (A) 38 mm (1.5 in) (B) 38 mm (1.5 in) (1) Foot mat...

  • Page 24: Tractor Side/Rops Section

    ASSEMBLY INSTRUCTIONS 10. Pass the wire harness as shown below. Clamp it at the white-taped positions. BTractor Side/ROPS Section C Control Lever for ROPS model 1. Replace the original control lever with new one and pass the wire harness as shown below. Then, connect the wire harness.
  • Page 25 ASSEMBLY INSTRUCTIONS 2. Install Relay stay on meter panel stay. 4. Connect the 3rd function harness as below. Then put connected relay on relay stay as shown in the figure. (1) Relay stay (A) Hole for ROPS model (2) M6 bolt (1) Relay (Tractor) (3) Meter panel stay (2) Power supply coupler (Yellow)
  • Page 26 ASSEMBLY INSTRUCTIONS 5. Install two relays into the box on harness, then install 7. Clamp the harness to the hydraulic tube with w-clamp. it to relay stay. (1) W-clamp (2) Harness (1) 2-Relay (2) Box on harness 6. Clamp the harness with band code as shown in the pictures.

  • Page 27: Swift-Tach (If Equipped)

    ASSEMBLY INSTRUCTIONS 2. After inserting the plain washers at both ends of the stand link assembly, pushing up the torsion bar and tighten the square neck bolts with plates on both sides. (1) Tree type band SWIFT-TACH (IF EQUIPPED) BStand 1.
  • Page 28 ASSEMBLY INSTRUCTIONS (1) Plain washers (5/8 HD) (1) 1st nut (A) Flush (2) Stand link (2) 2nd nut (3) Welded tractor plate (3) Kick plate 3. Installing the quick hitch and stand with bucket pivot A Stand adjusting plate and stand pad should be pin as shown in the figure.

  • Page 29: Stand Lock Lever

    ASSEMBLY INSTRUCTIONS 2. Install stand lock rod on the collar bolt and lever bracket. BStand Lock Lever 1. Installing the lock lever bracket on the bottom of boom with carriage bolt (square bolt). (1) Stand lock rod (2) Snap pin (1) 2-Square neck bolts (2) 2-Flange nuts A Key hole on lever rod should be on the slot as below.

  • Page 30: Uninstalling Mount Pin Holder

    ASSEMBLY INSTRUCTIONS BUninstalling Mount Pin Holder Uninstall the mount pin holder. (A) Spring opening 2. Install hook through the back side of side frame, then install pin from outside of side frame. (1) Mount pin holder BHook Lever 1. Install spring to hook assembly through left side of the lever.

  • Page 31: Label Application

    ASSEMBLY INSTRUCTIONS 3. Attach spring to side frame slot. 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 A Confirm spring is properly seated. BLabel Application 1.

  • Page 32: Coupler (Bottom)

    ASSEMBLY INSTRUCTIONS 2. Connect the 4P coupler hoses to the hydraulic tube as shown in the figure. BFoldable Lever Remove the lever assembly from its base, and replace it with the foldable lever assembly. (1) 4P coupler hoses (A) Hose (White tape) (B) Hose (Yellow tape) (C) Hose (Red tape) (1) Foldable lever assy...

  • Page 33: Msl Assembly [Tractor Side]

    ASSEMBLY INSTRUCTIONS BMSL Assembly [Tractor Side] 1. Install the port relief assembly and coupler stay onto the main frame RH. (1) 4-Hoses (520 mm, 9/16 UNF) (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 A If equipped with the 3rd function and Swift-tach kit,...

  • Page 34: Msl Assembly [Loader Side]

    ASSEMBLY INSTRUCTIONS A When connecting the hoses, check the color of BMSL Assembly [Loader Side] coupler caps and color marks on the port relief valves, 1. Remove bolt with washer from the boom pivot and and connect the same colors. boom cylinder (rod end) flag pins (1) White port (1) Boom pivot flag pin...
  • Page 35 ASSEMBLY INSTRUCTIONS 4. Align side frame with boom and cylinder and install flag pins. Then, fasten flag pins with bolt with washer. And then, tighten up M16 hardwares. (1) 2-M16 locking nuts (2) 2-Collars (3) 2-M16 x bolts (4) 4-5/8 hardended plain washers (1) M10 x 25 bolt with washers (5) MSL bracket (2) M10 lock nut (New)
  • Page 36 ASSEMBLY INSTRUCTIONS 6. Remove bucket cylinder flag pin. 9. Install s-links onto loader. 7. Place plate against boom arm, and align the holes on the plate to holes on boom and tighten the self taping bolts. (1) S-link (2) Ensure hole aligns on both sides (3) Ensure boss is facing cylinder 10.
  • Page 37 ASSEMBLY INSTRUCTIONS 11. Install s-link connecting hardware. 13. Install both parallel links. (1) M16 x 120 bolt (1) Parallel link (2) Collar (3) 2-5/8 hardened plain washers A In attaching the parallel links, position the serial (4) M16 locking nut number-applied parallel link facing the left outside as shown below.

  • Page 38: Installing The Loader

    ASSEMBLY INSTRUCTIONS INSTALLING THE LOADER 14. Secure parallel links with hardware. To avoid personal injury or death: A When 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.
  • Page 39 ASSEMBLY INSTRUCTIONS 2. Stop the engine, set the parking brake and unfasten 5. Make sure the mounting levers of both sides are in the the seat belt. lock position as shown in the follow figure. 3. Remove the protective caps from the tractor quick coupler.
  • Page 40 ASSEMBLY INSTRUCTIONS A Make sure the guide bosses of the side frame are engaged by the saddle bracket of the main frames. Otherwise the loader in use may drop off the main frames, thereby damaging the tractor itself. 9. Make sure that the left and right bosses of the side frames are engaged by the saddle bracket of the main frames.
  • Page 41 ASSEMBLY INSTRUCTIONS 13. Raise the boom until the bucket pivot pin is the height A Make sure the hooks at both sides are properly of the boom pivot pin.Then dump bucket slowly until mounted on the main frame. the stands are in the stowed position. 11.

  • Page 42: Adjusting The Height Of Lifting Stand

    ASSEMBLY INSTRUCTIONS 15. Verify LH/RH stand hooks are properly engaged as 2. Dump bucket to max. shown below. 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].
  • Page 43 ASSEMBLY INSTRUCTIONS 6. Measure the clearance at (X) as seen in figure [A]. If 8. If measurement from step 6 was less than 1 mm rotate measurement is within tolerance proceed to step 10. If the rod connector counter clockwise. If measurement measurement is out of tolerance continue to step 7.
  • Page 44 ASSEMBLY INSTRUCTIONS 12. With bucket in max dump position lower boom until the 15. While maintaining stand position by hand apply bucket contacts the ground and turn engine off. downward force to adjustment plate until the 13. Loosen adjustment lock nut until adjustment plate adjustment plate contacts bucket contact block as moves freely as shown in following figure.
  • Page 45 ASSEMBLY INSTRUCTIONS 17. Using the stand lever, lock the stands in the stowed 18. Set the stand lever in the unlocked position. position. If impossible to slide the stand lever in the upward completely, adjust the thread length of connecting rod longer. If stand pin keeps on open area, adjust the connecting rod shorter.

  • Page 46: Instruction Tag

    ASSEMBLY INSTRUCTIONS PRE-OPERATION CHECK BInstruction Tag BPreparation for Hydraulic Line on Tractor Installing the instruction tag in throttle lever as shown. 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.

  • Page 47: Lubrication

    ASSEMBLY INSTRUCTIONS BTransmission Fluid BLubrication Lubricate all grease fittings with grease. High quality Check tractor transmission fluid level. Add fluid if grease designating "extreme pressure" and containing necessary. Refer to the tractor's Operator's Manual for Molybdenum disulfide is recommended. instructions and proper fluid. Repeat this check after This grease may specify "Moly EP"...

  • Page 48: Rear Ballast

    3-point counter weight and rear wheel ballast. The amount of rear ballast will depend on the application. Implement as Counter Weight LA535 Box Blade Approx. 225 kg (496 lbs.) Rear Blade Approx. 250 kg (550 lbs.) Rotary Tiller Approx.

  • Page 49: Test Operation

    Socket wrench, Spanner wrench. Nylon strap. Standard valve type Loader LA535 0.5 hour A When the lever is at each corner position marked by asterisk (*), boom and bucket cylinders work at the same time. However, the blank position (Raise & Roll back) is not recommended for scooping because of insufficient lift force.

  • Page 50: Tightening Torque Of Bolts And Nuts

    ASSEMBLY INSTRUCTIONS TIGHTENING TORQUE OF BOLTS AND NUTS If the torque levels are specified in the text, follow that specification. American standard screws, bolts and nuts with UNC or Metric cap screws UNF threads SAE grade No. SAE GR.5 SAE GR.8 property class 8.8 Approx.
  • Page 51 ASSEMBLY INSTRUCTIONS TIGHTENING TORQUE OF ADAPTORS, ELBOWS AND OTHERS If the torque levels are specified in the text, follow that specification. Tightening torque Item Shape Thread size kgf m lbf ft 9/16 37 to 44 3.8 to 4.5 27 to 33 Adjustable elbow, Adaptor (O-ring port) 48 to 54...

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