Kubota LA555 Assembly Instructions Manual
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Kubota LA555 Assembly Instructions Manual

Kubota LA555 Assembly Instructions Manual

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MODELS LA555
1AIABCMAP0180
READ AND UNDERSTAND THIS MANUAL
BEFORE ASSEMBLING
PRINTED IN U.S.A.
©
KUBOTA Corporation 2013
ASSEMBLY
INSTRUCTIONS
LA805
LA1055
•
•
Code No. 7J292-6915-2
AR. C. 2-2. -. K

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  • Page 1 ASSEMBLY INSTRUCTIONS MODELS LA555 LA805 LA1055 • • 1AIABCMAP0180 READ AND UNDERSTAND THIS MANUAL BEFORE ASSEMBLING PRINTED IN U.S.A. © KUBOTA Corporation 2013 Code No. 7J292-6915-2 AR. C. 2-2. -. K...

  • Page 2: Table Of Contents

    Wire Harness Section ..................... 14 Front Section for Hyd. Hitch.................... 22 Front Section for 3rd. Function ..................25 3RD. FUNCTION FOR LA555 ................27 Valve and Hose Section ....................27 Wire Harness Section ..................... 31 Front Section for 3rd. Function ..................32 3RD.

  • Page 3: 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 4: 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 5: Checking Parts

    ASSEMBLY INSTRUCTIONS BChecking Parts Remove all loader components. Referring to the illustration, ensure that all components have been included. (1) Quick hitch (2) Boom assembly (3) Main frame RH (4) Main frame LH (5) Parts box (6) Front guard kit (7) Sub frame RH (8) Sub frame LH (9) Hose guide...

  • Page 6: Tractor Preparation

    1. Attach the quick hitch to the boom and bucket links as shown. 3. For better stability, set the rear tread as follows depending on the requirements of the work being [LA555] done. Rear Tread L3560 1200 mm (47.2 in.) or more L4060 1280 mm (50.6 in.) or more...

  • Page 7: Level Indicator (La555)

    ASSEMBLY INSTRUCTIONS 2. Raise the boom until the stands can be rotated. BLevel Indicator (LA555) 1. Attach the level indicator. (1) Belt sling 3. Remove the spring pins holding the stands to the (1) Level indicator boom. (2) Bucket cylinder RH 4.

  • Page 8: Hose Guide

    BMain Frame 1. Attach the hose guide to the side frame. 1. Remove plastic plugs and any excess paint from tractor body bolt locations. [LA555] 2. Jack up both the left and right fuel tanks as shown below. (1) Hose guide...
  • Page 9 4. Attach the main frame LH and RH with the fuel tank stay to the flywheel housing and tractor frame as [RH] shown. [LH] [LA555] (1) 2-M16 x 50 bolts (RH) (2) 4-M16 x 50 bolts 2-M16 x 40 bolts (LH) 4-M16 spring lock washers...

  • Page 10: Sub Frame

    ASSEMBLY INSTRUCTIONS BSub Frame BFront Guard 1. Attach the sub frame to the main frame as shown. 1. Remove the front bumper from the front axle frame, if equipped. 2. Attach the front guard to the front axle frame. (1) Sub frame (2) Plate (RH) (3) 6-M16 x 55 bolts (1) Front guard...
  • Page 11 ASSEMBLY INSTRUCTIONS [LA555] 3. Attach the coupler stay to the main frame. 2. Attach the caps and fittings to the adapters. (1) Adapter (3) Fitting (2) Cap (4) Seal-tape Tightening torque : Size 3/8 : 39 to 60 N-m (4.0 to 6.1 kgf-m, 29 to 44 ft-lbs) 3.

  • Page 12: Hydraulic 2 Lever Quick Coupler And 3Rd. Function For La805 And La1055 (If Equipped)

    ASSEMBLY INSTRUCTIONS HYDRAULIC 2 LEVER QUICK COUPLER 3. Attach the valve assy to the sub frame. [LA805, BH77 Sub Frame] AND 3RD. FUNCTION FOR LA805 AND LA1055 (if equipped) BValve and Hose Section 1. Remove the two bolts from the sub frame. (1) 4-M10 x 25 sems bolts (2) 2-Spacers [LA1055, BH92 Sub Frame]...
  • Page 13 ASSEMBLY INSTRUCTIONS Tightening torque : Size 7/8 : 43.0 to 50.0 N-m (4.4 to 5.1 kgf-m, 31.7 to 36.9 ft-lbs) 5. Attach the tubes and hoses to the valve and adapter stay. (1) Inlet tube (4) 3-Plain washers (2) Outlet hose 3-Nuts (3/4-16) (3) Power beyond tube Tightening torque :...
  • Page 14 ASSEMBLY INSTRUCTIONS 7. Attach the hoses to the valve and adapter as shown in 8. Remove each bolt, raise the operator’s seat and then the figure. lock it with the support. Pay attention to the position of the gray-taped hose. (1) Bolt (2) Support (1) Gray tape...
  • Page 15 ASSEMBLY INSTRUCTIONS 10. Attach the joints and retighten the bolts. 12. Lay the hoses between the pipe and the sub-frame as Remove the plug from the tractor. shown below. (1) Joint 13. Connect the inlet, outlet and power beyond hoses to (2) Bolt the adapter stay.

  • Page 16: Wire Harness Section

    ASSEMBLY INSTRUCTIONS 14. Using the washers and nuts that were applied on the tractor, attach the hose guides to the tractor and clamp BWire Harness Section the hoses as shown below. 1. Remove the bolts. Disconnect the couplers. Remove the 3P grip. Remove the lever guide from the tractor.
  • Page 17 ASSEMBLY INSTRUCTIONS 3. Assemble the boot, 3rd grip, switch and harness cover. (1) Cigarette lighter coupler [CAB only] 2. Remove the bolts and the loader lever grip. (1) Boot (4) Harness cover Remove the harness cover. (2) 3rd. grip (5) 3rd. AB wire harness Cut the harness cover and boot.
  • Page 18 ASSEMBLY INSTRUCTIONS 5. Connect the coupler (HST only). 6. Remove the rubber cap. Pass the 3rd. AB wire harness and the 3rd. switch wire Cut the rubber cap as shown. harness as shown below, and fix them with the bands. [ROPS TYPE] (1) Rubber cap (2) Line for cutting...
  • Page 19 ASSEMBLY INSTRUCTIONS 8. Pass the wire harness through the tractor as shown. [ROPS TYPE] (1) Coupler (solenoid) (4) Relay (2) Coupler (hitch port A) (5) Relay stay (3) Coupler (hitch port B) [CAB TYPE] Lay this wire harness between the cab frame and the turn signal wire harness.
  • Page 20 ASSEMBLY INSTRUCTIONS 14. Pull the excess wire harness into the tractor’s lever guide and clamp it as shown below. This keeps the wire harness inside the fender. [ROPS TYPE] (1) Coupler (solenoid) (A) Red and black wire harnesses to be (2) Relay in front of the solenoid A Be careful not to confuse the coupler connections.
  • Page 21 ASSEMBLY INSTRUCTIONS 15. Attach the valve cover. (1) 3-M8 x 20 sems bolts 16. Remove the bolts and cover. [ROPS TYPE] [CAB TYPE] (1) Band (1) Cover (2) Bolt (M8)
  • Page 22 ASSEMBLY INSTRUCTIONS 17. Connect the couplers and fix the wire harness with the [CAB TYPE] bands. [ROPS TYPE] (1) Electric coupler (A) To tractor wire harness (2) Tractor wire harness (B) To 3rd. function wire harness (3) Hyd. hitch wire harness (C) To hyd.
  • Page 23 ASSEMBLY INSTRUCTIONS 18. Be careful not to allow the wire harness out of the 20. Enlarge the lever guide holes. cover. Then reassemble the cover as shown below. [CAB TYPE ONLY] [ROPS TYPE] (1) Cutting area (A) 10 mm (0.4 in.) (B) 20 mm (0.8 in.) (1) Cover (2) Bolt...

  • Page 24: Front Section For Hyd. Hitch

    ASSEMBLY INSTRUCTIONS 22. Connect the wire harness to the switch, and attach the 24. Reassemble the lever guide and 3P grip. switch to the lever guide. BFront Section for Hyd. Hitch 1. Remove the lever and pin. Remove the locking nut and split pin. Then replace the pin, block, locking nut and split pin with new one.
  • Page 25 ASSEMBLY INSTRUCTIONS 3. Remove the bolts and the plates. 4. Pass the spiral sleeve-installed hoses through the holes. Pass these hoses through the hose guide and clamp them together with the other 4 hoses. (1) Plate A Hand the removed plates and bolts to the user. They (1) Hose will be necessary to get the machine back to the (2) Hole...
  • Page 26 ASSEMBLY INSTRUCTIONS 6. Attach the adapter stay to the hose holder and clamp 7. Attach the cover to the hitch. it at the taped position. (1) 5-M8 x 20 W sems bolts (1) Clamp (2) Collar A Put the hoses through the notch of the cover. (3) Tape Tightening torque : Size 9/16 : 22 to 25 N-m...

  • Page 27: Front Section For 3Rd. Function

    ASSEMBLY INSTRUCTIONS BFront Section for 3rd. Function 1. Remove the bolts and plates. (1) Hose Short hose : 2620 mm (103.1 in.) Long hose : 2750 mm (108.3 in.) (2) Hole (3) Clamp (4) Hose guide 3. Attach the coupler stay to the tube cover. [Short hose (2620 mm)] (1) Plate A Hand the removed plates and bolts over to the user.
  • Page 28 ASSEMBLY INSTRUCTIONS [Long hose (2750 mm)] 5. Apply the label as shown in the illustration. (1) Coupler stay (A) Tube cover (2) Tube cover (B) Position of the bolts (1) Label (3) 2-M8 x 20 bolts 2-M8 spring lock washers 2-M8 nuts A If the tube cover is not provided with the holes as shown above, use the holes for the short hose to fix...

  • Page 29: 3Rd. Function For La555

    ASSEMBLY INSTRUCTIONS 3RD. FUNCTION FOR LA555 BValve and Hose Section 1. Remove the two bolts from the sub frame. (1) Front hydraulic valve main switch (2) Activation switch (1) 2-M16 x 55 bolts 2. Attach the adapter stay to the sub frame.
  • Page 30 ASSEMBLY INSTRUCTIONS 3. Attach the valve assy to the sub frame. 5. Attach the tubes to the valve and adapter stay. (1) 4-M10 x 25 sems bolts (1) Inlet tube (2) 2-Spacers (2) Power beyond tube (3) 2-Plain washers 4. Attach the adapters to the tubes. 2-Nuts 6.
  • Page 31 ASSEMBLY INSTRUCTIONS 7. Connect the hoses to the valve and adapters as 8. Remove each bolt, raise the operator’s seat and then shown in the figure. lock it with the support. Pay attention to the position of the gray-taped hose. (1) Bolt (2) Support (1) Gray tape...
  • Page 32 ASSEMBLY INSTRUCTIONS 10. Attach the joints and retighten the bolts. 12. Lay the hoses between the pipe and the sub-frame as shown below. (1) Joint (2) Bolt 13. Connect the inlet and power beyond hoses to the Tightening torque of joint fitting : adapter stay.

  • Page 33: Wire Harness Section

    ASSEMBLY INSTRUCTIONS BWire Harness Section A See page 14 for the basic assembly procedures. All assembly procedures different from the basic one are additionally discussed in this section. 1. Connect the wire harness, relay and relay stay. Make sure that the red and black wire harnesses are in front of the solenoid.

  • Page 34: Front Section For 3Rd. Function

    ASSEMBLY INSTRUCTIONS 4. Fix the wire harness with the bands. BFront Section for 3rd. Function 1. Attach the coupler stay to the boom. At this time, make sure to apply the plain washer. (one place) (1) Band 5. Attach the valve cover. (1) 1-Coupler stay (2) 2-M8 x 35 sems bolts (3) 1-M8 plain washer...

  • Page 35: 3Rd. Function For La805 And La1055

    ASSEMBLY INSTRUCTIONS 4. Apply the label as shown in the illustration. (1) Front hydraulic valve main switch (2) Activation switch (1) Label (1) Front hydraulic outlet (C) Front hydraulic valve main switch "OFF" (2) Plug (D) Front hydraulic valve main switch "ON" 3RD.
  • Page 36 ASSEMBLY INSTRUCTIONS 2. Attach the adapter stay to the sub frame. 4. Attach the adapters to the tubes. (1) Adapter stay (1) Inlet tube (2) 2-M16 x 60 bolts (2) Power beyond tube (3) Adapters Tightening torque : 226 N-m (23 kgf-m, 166 ft-lbs) Tightening torque : 35 to 41 N-m 3.
  • Page 37 ASSEMBLY INSTRUCTIONS 6. Attach the coupler stay to the main frame. 8. Remove each bolt, raise the operator’s seat and then lock it with the support. (1) 2-M8 x 30 bolts 2-M8 spring lock washers 2-M8 nuts (2) 3rd. function stay 7.
  • Page 38 ASSEMBLY INSTRUCTIONS 10. Attach the joints and retighten the bolts. 12. Lay the hoses between the pipe and the sub-frame as shown below. (1) Joint (2) Bolt 13. Connect the inlet and power beyond hoses to the Tightening torque of joint fitting : adapter stay.

  • Page 39: Wire Harness Section

    ASSEMBLY INSTRUCTIONS (1) Inlet hose (orange tape) (1) Relay (A) Red and black wire harnesses (2) Power beyond hose (green tape) (2) Relay stay to be in front of the solenoid (3) 2-M8 x 16 sems bolts (4) Valve stay BWire Harness Section A See page 14 for the basic assembly procedures.

  • Page 40: Front Section

    ASSEMBLY INSTRUCTIONS 5. Attach the valve cover. 2. Pass the hoses through the hole of boom. Pass these hoses through the hose guide and clamp them together with the other 4 hoses. (1) Valve cover (2) 4-M8 x 20 sems bolts BFront Section 1.
  • Page 41 ASSEMBLY INSTRUCTIONS 3. Attach the coupler stay to the cover. 4. Connect the hoses to the adapters. 5. Connect the gray-taped hose to the right-hand [Short hose (2620 mm)] adapter. (1) Coupler stay (A) Tube cover (2) Cover (B) Position of the bolts (1) Gray tape (A) 10 (3) 2-M8 x 20 bolts...
  • Page 42 ASSEMBLY INSTRUCTIONS 6. Apply the label as shown in the illustration. 7. Push the front hydraulic valve main switch again to disengage the front hydraulic valve, and the light of the front hydraulic valve main switch will turn off. (1) Label (1) Front hydraulic valve main switch (2) Activation switch (C) Front hydraulic valve main switch "OFF"...

  • Page 43: Hydraulic 2 Lever Quick Coupler For La805 And La1055

    ASSEMBLY INSTRUCTIONS HYDRAULIC 2 LEVER QUICK COUPLER 3. Attach the adapter to the tubes and hose. FOR LA805 AND LA1055 BValve and Hose Section 1. Remove the sub-frame’s front bolts. Attach the adapter stay to the sub frame. (See page 10 for details.) 2.
  • Page 44 ASSEMBLY INSTRUCTIONS 4. Attach the tubes and hoses to the valve and the 5. Attach the coupler stay to the main frame. adapter stay. (1) 2-M8 x 35 bolts 2-M8 spring lock washers (1) Inlet tube 2-M8 nuts (2) Outlet hose (2) Hydraulic 2 lever Quick Coupler stay (3) Power beyond tube (1) Inlet tube...

  • Page 45: Wire Harness Section

    ASSEMBLY INSTRUCTIONS 6. Connect the hoses to the valve and adapter as shown in the figure. BWire Harness Section Pay attention to the position of the gray-taped hose. 1. Remove the lever guide from the tractor. (See page 14.) 2. Remove the rubber cap and cut it. (See page 16.) 3.

  • Page 46: Front Section

    ASSEMBLY INSTRUCTIONS OTHERS 9. Connect the couplers. [ROPS TYPE] B8P-Multi Coupler (if equipped) 1. Lower the bucket with its bottom flat on the ground. 2. Detach the couplers. (1) Electric coupler (A) To tractor wire harness (2) Tractor wire harness (B) To hyd.
  • Page 47 ASSEMBLY INSTRUCTIONS 4. Remove the connector stay assy. [View from back side] (1) Hydraulic hose 1 (White) (1) Connector stay assy (for 3rd. function if equipped) (2) Hydraulic hose 1 (Yellow) (2) Connector stay assy (for hydraulic quick hitch if equipped) (3) Hydraulic hose 1 (Blue) (3) 2-M8 x 35 bolts (4) Hydraulic hose 1 (Red)

  • Page 48: Multi Coupler (If Equipped)

    ASSEMBLY INSTRUCTIONS 7. Connect the adapters to the hoses. Tightening torque : Size 9/16 : 22.0 to 25.0 N-m (2.3 to 2.6 kgf-m, 16 to 19 ft-lbs) Size 3/4 : 35.0 to 41.0 N-m (3.5 to 4.1 kgf-m, 25.8 to 30.2 ft-lbs) [View from top] (1) 4-Adapters size: 3/8 (A) Seal tape...
  • Page 49 ASSEMBLY INSTRUCTIONS 3. Disconnect the hoses from the connector stay assy. 5. Attach the multi coupler to the main frame (RH). (1) Hydraulic hose 1 (White) (1) Multi coupler (2) Hydraulic hose 1 (Yellow) (2) 2-M8 x 30 bolts (3) Hydraulic hose 1 (Blue) 2-M8 Spring lock washers (4) Hydraulic hose 1 (Red) 2-M8 Nuts...
  • Page 50 ASSEMBLY INSTRUCTIONS 7. Disconnect the couplers from the 4 hoses. [If the spill guard is not equipped] (1) Hydraulic hose 2 (White) (1) 4-Couplers (2) Hydraulic hose 2 (Yellow) (2) 4-Hydraulic hose 2 (white, Yellow, Blue, Red) (3) Hydraulic hose 2 (Blue) (4) Hydraulic hose 2 (Red) 8.

  • Page 51: Multi Coupler (If Equipped)

    ASSEMBLY INSTRUCTIONS [Long hose (2750 mm)] B2P-Multi Coupler (if equipped) 1. Remove the hoses and coupler stay from the boom. (1) 2-M8 x 20 Bolts (A) Tube cover 2-M8 Spring lock washers (B) Position of the bolts 2-M8 Nuts (1) 2-Hoses Short hose : 2620 mm (103.1 in.) A If the tube cover is not provided with the holes as Long hose : 2750 mm (108.3 in.)

  • Page 52: Spill Guard For La805 And La1055

    ASSEMBLY INSTRUCTIONS 3. Reconnect the hoses to the multi coupler. BSpill Guard for LA805 and LA1055 4. Connect with right-hand side the hose of a direction 1. Assemble the valve to inside of side frame RH. which the tape rolled. (1) 1-M8 x 75 mm (2) 2-M8 x 45 mm 2.
  • Page 53 ASSEMBLY INSTRUCTIONS 5. Assemble the link and rod. A Be careful not to confuse the directions of the link and rod. (A) 2 to 3 threads 4. Remove the collar. (1) Collar (1) Link (2) Rod (3) Split pin...
  • Page 54 ASSEMBLY INSTRUCTIONS 6. Attach the hose guide. 8. Connect the hoses. 9. Fix the hoses with the band. (1) 2-M8 x 20 sems bolts (1) Band 7. Disconnect the hoses (Yellow, Blue, Red) and connect to the valve later. (A) Yellow (B) Blue (C) Red Tightening torque :...

  • Page 55: Pre-Operation Check

    ASSEMBLY INSTRUCTIONS PRE-OPERATION CHECK 10. Pass the hoses through the house guide. BLubrication Lubricate all grease fittings with SAE multipurpose grease. (1) Hose (Yellow, Blue, Red) (2) Hose guide 1 (3) Hose guide 2 11. Apply the label in position as shown below. (1) Model label...

  • Page 56: Transmission Fluid

    (2) Impact wrench, Ratchet wrench, Torque wrench, A To check the tractor transmission fluid level, lower the Socket wrench, Spanner wrench. bucket to the ground and lower the 3-point hitch. (3) Nylon strap. LA555 LA805 1.0 hour LA1055 (1) Gauge...

  • Page 57: Tightening Torque Of Adaptors, Elbows And Others

    ASSEMBLY INSTRUCTIONS TIGHTENING TORQUE OF ADAPTORS, ELBOWS AND OTHERS Tightening torque Item Shape Thread size kgf-m ft-lbs 9/16 37 to 44 3.8 to 4.5 27 to 33 Adjustable elbow, Adaptor (O-ring port) 48 to 54 4.9 to 5.5 35 to 40 (UNF) 77 to 85 7.9 to 8.6...

  • Page 58: Tightening Torque Of Bolts And Nuts

    ASSEMBLY INSTRUCTIONS TIGHTENING TORQUE OF BOLTS AND NUTS 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. SAE GR 5 (N-m) 11.7 to 15.8 16.3 to 19.8 (N-m) 9.8 to 11.2...

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