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1AIABCFAP0040
READ AND UNDERSTAND THIS MANUAL
BEFORE ASSEMBLING
©
PRINTED IN U.S.A.
KUBOTA Corporation 2013
ASSEMBLY
INSTRUCTIONS
MODEL LA1154
AT. F. 5-5. -. K. Code No. 7J437-6915-5
English

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Summary of Contents for Kubota LA1154

  • Page 1 ASSEMBLY INSTRUCTIONS MODEL LA1154 1AIABCFAP0040 READ AND UNDERSTAND THIS MANUAL BEFORE ASSEMBLING © PRINTED IN U.S.A. KUBOTA Corporation 2013 AT. F. 5-5. -. K. Code No. 7J437-6915-5 English...
  • Page 2: 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 ..................6 Tool Box (CAB MODEL) ....................6 ASSEMBLY......................6 Main Frame [Upper Muffler Model] ................... 6 Main Frame [Under Muffler Model] ...................
  • 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. [LA1154] (1) Quick hitch (2) Boom assembly (3) Main frame LH (4) Main frame RH (5) Parts box [Contents of parts box]...
  • Page 6 ASSEMBLY INSTRUCTIONS Remove all loader components. Referring to the illustration, ensure that all components have been included. [LA1154SU] (1) Quick hitch (2) Boom assembly (3) Main frame LH (4) Main frame RH (5) Parts box (6) Valve box [Contents of parts box] 2-pin mounts 16-M20 x 60 bolts 16-M20 spring lock washers...
  • Page 7 ASSEMBLY INSTRUCTIONS (6) Valve box REF. No. PART No. PART NAME Q’TY REMARKS VALVE, CONTROL, ASSY CONTROLLER, ASSY COVER (VALVE), ASSY STAY, CONNECTOR, ASSY 7J417-7135-0 SUPPORT, VALVE STAY 7J446-7796-0 STAY (2 CONTROLLER) 7J417-7850-0 TUBE, RETURN 7J417-7631-0 HOSE 5, HYDRAULIC, ASSY 500 mm 7J417-7641-0 HOSE 6, HYDRAULIC, ASSY...
  • Page 8: Tractor Preparation

    ASSEMBLY INSTRUCTIONS TRACTOR PREPARATION A To avoid damage to hoses, adjust all connections to route hoses away from sharp edges. 1. Locate the tractor on a firm level surface. A Assemble on a hard surface, preferably concrete. Lower the implement to the ground, set the parking brake and stop the engine.
  • Page 9: Main Frame [Under Muffler Model]

    ASSEMBLY INSTRUCTIONS 3. Install the main frames to the clutch housing and the front axle as shown. BMain Frame [Under Muffler Model] A Wait long enough for the muffler cover and the muffler pipe to cool down. 1. Remove the bolts and the muffler cover. (Left side) (1) Main frame (2) 16-M20 x 60 bolts 16-M20 spring lock washers...
  • Page 10: Tool Box (Cab Model)

    ASSEMBLY INSTRUCTIONS 4. Reinstall the muffler pipe with the original bolts. (Left side) BTool Box (CAB MODEL) 1. Attach the tool box stay to the main frame LH using bolts. 2. Attach the tool box to the stay using the original bolts and M8 nuts.
  • Page 11: Standard Valve

    ASSEMBLY INSTRUCTIONS [LA1154SU] BStandard Valve 1. Attach the valve stay support on the tractor. [M7995 (ROPS MODEL)] (1) Valve stay support (2) 3-M12 x 75 sems bolts Tightening torque: See "TIGHTENING TORQUE OF BOLTS AND NUTS" section. (1) Valve stay support (2) 3-M12 x 30 bolts 2.
  • Page 12: Hydraulic Lines

    ASSEMBLY INSTRUCTIONS BHydraulic Lines 1. Remove the U pipe and tank port plug. Connect the loader adapters to the tank port. (1) Assy adapter 1 Tightening torque: 77.0 to 85.0 N-m (7.9 to 8.6 kgf-m, 57.0 to 62.0 ft-lbs) (2) Tee, swivel run 7/8 (1) Tank port plug (2) U pipe Tightening torque: See "TIGHTENING TORQUE OF...
  • Page 13 ASSEMBLY INSTRUCTIONS 3. Connect the pump line hose to the valve. 5. Connect the power beyond line hose to the valve. A Equipment or property damage could result if A Equipment or property damage could result if instructions are not followed. instructions are not followed.
  • Page 14 ASSEMBLY INSTRUCTIONS 6. Connect the return line tube. 7. Fit the connector assembly stay to the main frame with the bolts and plain washers inserted from the outside and the nuts and spring lock washers from the inside. (1) Return line tube (7/8-UNF) Tightening torque: See "TIGHTENING TORQUE OF ADAPTORS, ELBOWS, AND OTHERS"...
  • Page 15: Controller And Cables

    ASSEMBLY INSTRUCTIONS 8. Connect the hoses between the connector assembly A With all the hoses connected to the valve, be certain stay and the valve. that any of the hoses is out of close contact with the other hoses, the fittings and edges. A If the above problem is found, correct the hoses to remove their twist of loosen the nut shown in the figure to readjust the fitting angle for avoiding such close...
  • Page 16 ASSEMBLY INSTRUCTIONS 2. Fit the controller stay 2 in position. 3. Fix the controller assembly stay 1 to the controller stay [M7995 (ROPS MODEL)] (1) Controller stay 2 (2) 2-M10 x 40 bolts (1) Controller stay 2 Tightening torque: See "TIGHTENING TORQUE OF (2) Controller assy stay 1 (3) 2-M8 x 20 bolts BOLTS AND NUTS"...
  • Page 17 ASSEMBLY INSTRUCTIONS 5. Install the control lever. 6. Set the lock lever on the cable controller to the neutral [M7995 (ROPS MODEL)] position. Install the lever pointing straight to the traveling direction. A Control lever should be neutral and be locked with lock lever.
  • Page 18 ASSEMBLY INSTRUCTIONS 8. Install the other lock nuts to the cable ends and adjust 10. Tighten up the lock nuts at both sides of the valve stay the location of lock nuts so that the cable end hole to secure the cables in place. aligns with the spool hole.
  • Page 19 ASSEMBLY INSTRUCTIONS [M7996 (CAB MODEL)] C LA1154SU 1. Fit the controller stay in position. 2. Fix the controller assy to the controller stay. (1) Lever cover (2) 2-M8 x 16 flange bolts (1) Controller assy (2) Controller stay (3) 2-M10 x 30 bolts Tightening torque: See "TIGHTENING TORQUE OF BOLTS AND NUTS"...
  • Page 20 ASSEMBLY INSTRUCTIONS 4. Set the lock lever on the cable controller to the neutral 6. Install the other lock nuts to the cable ends and adjust position. the location of lock nuts so that the cable end hole aligns with the spool hole. Then connect the cable to the spools with pins.
  • Page 21: Cable Guide [M7995 (Rops Model)]

    ASSEMBLY INSTRUCTIONS 8. Tighten up the lock nuts at both sides of the valve stay 2. Pass the controller cable through the cable guide. to secure the cables in place. (1) Cable guide (2) Controller cable (1) 4-M16 Lock nuts Tightening torque: 60.0 to 80.0 N-m BControl Valve Cover (6.1 to 8.2 kgf-m, 44.3 to 59.0 ft-lbs)
  • Page 22: Self-Level Valve (If Equipped)

    ASSEMBLY INSTRUCTIONS 2. Temporarily assemble the valve stay to the valve stay support. BSelf-Level Valve (if equipped) 1. Put the stud bolt in the valve stay support. [M7998 (ROPS MODEL)] (1) Valve stay (2) 2-Stud bolts (1) Valve stay support (3) 2-M10 x 120 hex.
  • Page 23 ASSEMBLY INSTRUCTIONS 4. Connect the pump line hose and tank hose. 5. Connect the power beyond hose. A Equipment or property damage could result if A Equipment or property damage could result if instructions are not followed. instructions are not followed. [View from the top of the valve] (1) Power beyond line hose with sleeve (hose 5) (730 mm (28.4 in.), 3/4-UNF and 3/4-UNF)
  • Page 24 ASSEMBLY INSTRUCTIONS 6. Fit the connector assembly stay to the main frame with 7. Connect the hoses between the connector assembly the bolts and plain washers inserted from the outside stay and the valve. and the nuts and spring lock washers from the inside. (1) Hydraulic hose (Red 500 mm (19.7 in.), 3/4-UNF) Tightening torque: See "TIGHTENING TORQUE OF (1) 2-M10 x 60 bolts...
  • Page 25: Controller And Cables For Self Level Valve

    ASSEMBLY INSTRUCTIONS 8. Attach the label on the back of the side frame (RH). 2. Fit the controller stay 2 in position. [M7998 (ROPS MODEL)] (1) Label (7J437-7778-1) (1) Controller stay 2 (2) 2-M10 x 40 bolts Tightening torque: See "TIGHTENING TORQUE OF BController and Cables for Self Level Valve BOLTS AND NUTS"...
  • Page 26 ASSEMBLY INSTRUCTIONS 3. Fix the controller assembly stay 1 to the controller stay 4. Pass the wire cable in the specified route. [M7998 (ROPS MODEL)] [M7998 (ROPS MODEL)] (1) 3-Assy cable with sleeve [M7999 (CAB MODEL)] [M7999 (CAB MODEL)] (1) Remove the mat. (2) Pass the cable through the opening.
  • Page 27 ASSEMBLY INSTRUCTIONS 5. Install the control lever. 6. Set the lock lever on the cable controller to the neutral [M7998 (ROPS MODEL)] position. Install the lever pointing straight to the traveling direction. A Control lever should be neutral and be locked with lock lever.
  • Page 28 ASSEMBLY INSTRUCTIONS 7. Install one lock nut to each cable end. Then route the 8. Install the other lock nuts to the cable ends and adjust cable ends through the valve stay. the location of lock nuts so that the cable end hole aligns with the spool hole.
  • Page 29 ASSEMBLY INSTRUCTIONS [M7999 (CAB MODEL)] (1) 6-M16 Lock nuts (1) Lever cover Tightening torque: 60.0 to 80.0 N-m (2) 2-M8 x 16 flange bolts (6.1 to 8.2 kgf-m, 44.3 to 59.0 ft-lbs) A The self-level adjustment procedure is referred to in A With the lock nuts tight in position, move the lever to the operator's manual.
  • Page 30: Cable Guide [M7998 (Rops Model)]

    ASSEMBLY INSTRUCTIONS BCable Guide [M7998 (ROPS Model)] BControl Valve Cover 1. Attach the cable guide to the fender. 1. Attach the valve cover to the valve stay. (1) Cable guide (1) Valve cover (2) 1-M8 x 16 bolt with washers (2) 3-M8 x 16 bolts with washers Tightening torque: See "TIGHTENING TORQUE OF Tightening torque: See "TIGHTENING TORQUE OF...
  • Page 31 ASSEMBLY INSTRUCTIONS 2. Set the orifice into the port. 4. Connect the accumulator assembly (RH) to the main frame (RH). (1) Port (1) Main frame (RH) (2) Accumulator assy (RH) (3) 2-M10 x 110 bolts 2-M10 spring lock washers Tightening torque: See "TIGHTENING TORQUE OF BOLTS AND NUTS"...
  • Page 32 ASSEMBLY INSTRUCTIONS [Self-level valve (if equipped)] (1) Hydraulic tank hose with sleeve (1) Hydraulic hose 13 with sleeve (914 mm (36.0 in.), 3/4-UNF and 7/8-UNF) (850 mm (33.5 in.), 3/4-UNF and 3/4-UNF) Tightening torque: See "TIGHTENING TORQUE OF Tightening torque: See "TIGHTENING TORQUE OF ADAPTORS, ELBOWS AND OTHERS"...
  • Page 33 ASSEMBLY INSTRUCTIONS 7. Connect the pipe as shown in following figure. 9. Connect the pipe to the accumulator assembly (LH). (1) Pipe (3/4-UNF) (1) Pipe Tightening torque: See "TIGHTENING TORQUE OF (2) Hydraulic hose (LH) with sleeve (275 mm (10.8 in.), 3/4-UNF) ADAPTORS, ELBOWS AND OTHERS"...
  • Page 34 ASSEMBLY INSTRUCTIONS 11. Attach the valve cover 13. Attach the accumulator valve cover in place. (1) Valve cover (1) Accumulator valve cover (2) 3-M8 x 20 bolts with washers (2) 2-M8 x 20 bolts Tightening torque: See "TIGHTENING TORQUE OF [Standard valve] 3-M8 x 16 bolts with washers BOLTS AND NUTS"...
  • Page 35: Multi Coupler (If Equipped)

    ASSEMBLY INSTRUCTIONS [Self-level valve (if equipped)] BMulti Coupler (if equipped) 1. Detach the loader. (1) Hydraulic hose (Red 500 mm (19.7 in.)) (2) Hydraulic hose (Blue 432 mm (17.0 in.)) (3) Hydraulic hose (Yellow 520 mm (20.4 in.)) (4) Hydraulic hose (White 485 mm (19.1 in.)) (1) Hose 1 (2) Hose 2 3.
  • Page 36 ASSEMBLY INSTRUCTIONS 4. Disconnect the hoses from the connector stay assembly. (1) Hydraulic hose (Red, 3/4-UNF) Tightening torque: See "TIGHTENING TORQUE OF ADAPTORS, ELBOWS AND OTHERS" section. (1) Hydraulic hose (Red) (2) Hydraulic hose (Blue) (2) Hydraulic hose (Blue, 3/4-UNF) (3) Hydraulic hose (Yellow) Tightening torque: See "TIGHTENING TORQUE OF (4) Hydraulic hose (White)
  • Page 37 ASSEMBLY INSTRUCTIONS 6. Attach the multi coupler 1 to the main frame (RH). A When lever of multi coupler is near the bonnet, use one spacer. Clearance is dependant on tractor model and whether it is a CAB or ROPS unit. (1) Multi coupler 1 (2) 2-M10 x 65 bolts 2-M10 Plain washers...
  • Page 38 ASSEMBLY INSTRUCTIONS 7. Connect the hoses to the valve. 8. Disconnect the couplers from the hose 1 and hose 2. [Standard valve] (1) 2-Hoses 1 (1) Hydraulic hose (Red 500 mm (19.7 in.), 3/4-UNF) 2-Hoses 2 Tightening torque: See "TIGHTENING TORQUE OF (2) 4-Couplers ADAPTORS, ELBOWS AND OTHERS"...
  • Page 39 ASSEMBLY INSTRUCTIONS 10. Attach the adapter 1 and 2 to the multi coupler 2 11. Connect the hose 1 and hose 2 to the multi coupler 2. A Wrap each adapter 1 and 2 with Teflon tape or similar liquid sealer before connecting to the multi coupler 2. (1) 4-Adapters 1 (original, 1/2-UNF) Tightening torque: See "TIGHTENING TORQUE OF ADAPTORS, ELBOWS AND OTHERS"...
  • Page 40 ASSEMBLY INSTRUCTIONS 12. Interconnect the multi coupler 1 and multi coupler 2. [Unlock] (A) Flat face [Lock] A Install the multi coupler with its flat face facing downward, as shown above. (1) Lever (2) Multi coupler 1 (3) Multi coupler 2 A If the hoses 1 and 2 are twisted when the multi couplers 1 and 2 are temporarily connected, untwist them and reconnect.
  • Page 41: 3Rd Function (If Equipped)

    ASSEMBLY INSTRUCTIONS 3. Disconnect the pump line hose. [Standard valve] B3rd Function (if equipped) 1. Attach the relay stay to the solenoid valve assy. (1) Pump line hose [Self-level valve (if equipped)] (1) Relay stay (Solenoid valve assy) (2) 2-M8 x 16 bolts Tightening torque: See "TIGHTENING TORQUE OF BOLTS AND NUTS"...
  • Page 42 ASSEMBLY INSTRUCTIONS 4. Assemble the following parts as shown below. [M7949 (LA1154SU MODEL)] [M7991 (ROPS MODEL), M7992 (CAB MODEL)] (1) Pump line hose 1 (300 mm (11.8 in.), 7/8-UNF and 7/8-UNF) Tightening torque: See "TIGHTENING TORQUE OF ADAPTORS, ELBOWS AND OTHERS" section. (2) Pump line hose 2 (For standard valve: 710 mm (28.0 in.), 3/4-UNF and 7/8-UNF) (For self-level valve: 570 mm (22.4 in.), 3/4-UNF and 7/8-UNF)
  • Page 43 ASSEMBLY INSTRUCTIONS 5. Fit the coupler stay assembly as shown below. (1) Solenoid valve block (2) Control valve (ST) (3) Pump line pipe (7/8-UNF and 7/8-UNF) Tightening torque: See "TIGHTENING TORQUE OF ADAPTORS, ELBOWS AND OTHERS" section. (4) Pump line hose (710 mm (28.0 in.), 3/4-UNF and 7/8-UNF) Tightening torque: See "TIGHTENING TORQUE OF ADAPTORS, ELBOWS AND OTHERS"...
  • Page 44 ASSEMBLY INSTRUCTIONS [Multi coupler (if equipped)] 7. Connect Hydraulic hose A-1 and Hydraulic hose A-2 to coupler stay assembly. (1) Coupler stay assy (2) 2-M10 x 60 bolts (original) Tightening torque: See "TIGHTENING TORQUE OF BOLTS AND NUTS" section. (3) Multi coupler stay assy (original) (4) 2-M10 nuts (original) (5) 2-M10 plain washers (original) (6) 2-M10 spring lock washers (original)
  • Page 45 ASSEMBLY INSTRUCTIONS 8. Install tubes to the boom and install the hydraulic 10. Remove the M8 bolts from the cover. hoses to the tubes. Using the M8 bolts contained in the kit, secure the stay (provided with the hydraulic hose joint) and the cover together in position.
  • Page 46: Controller And Wire Harness For 3Rd Function

    ASSEMBLY INSTRUCTIONS BController and Wire Harness for 3rd Function C M7991 (ROPS MODEL), M7992 (CAB MODEL) 1. Remove the lever boot first and then the lever. (1) Lever boot (2) 3rd function control lever A Install the lever upright in position. [M7991 (ROPS MODEL)] (1) Lever boot (2) Control lever...
  • Page 47 ASSEMBLY INSTRUCTIONS 4. Attach the relay to the wire harness, and connect the [M7991 (ROPS MODEL)] wire harness to the tractor and solenoid valve harness. A Connect the wire harness couplers of the 3rd function control lever to their respective same-color couplers. (1) Tractor harness [M7992 (CAB MODEL)] (A) To 3rd function control lever...
  • Page 48 ASSEMBLY INSTRUCTIONS (1) Clamp (cord band) (1) Clamp (cord band) (C) To additional harness (2) Wire harness [M7992 (CAB MODEL)] Put an additional harness in the interior trim clearance. Remove the bolt and clamp the harness. (1) Clamp (cord band) (2) Controller cable Pass the wire harness along with its coupler facing the (1) Clamp (cord band)
  • Page 49 ASSEMBLY INSTRUCTIONS 6. Fix the relays to the relay stay. 2. Pass the lever boot through the 3rd function control lever, and attach the 3rd function control lever to the tractor. A Install the lever upright in position. (1) Relay stay (Solenoid valve assy) (2) 2-relays C M7949 (LA1154SU MODEL) 1.
  • Page 50 ASSEMBLY INSTRUCTIONS 5. Pass the control lever wire harness and the ON/OFF 7. Using the cord band, fix the control lever wire harness switch wire harness, as shown in the figure. Fix these and the control lever cable, located below the step, as harnesses and the lever cable with the cord band.
  • Page 51 ASSEMBLY INSTRUCTIONS 10. Fix the relays to the relay stay. (1) Solenoid valve harness-1 (A) Rear of tractor (2) Solenoid valve harness-2 (B) Front of tractor (1) Relay stay (Solenoid valve assy) (2) 2-relays 11. Fold excess wire harness and secure it to the control lever cable.
  • Page 52: 3Rd Function Control Operation

    ASSEMBLY INSTRUCTIONS 2. Front hydraulic valve main switch Push the front hydraulic valve main switch (1) to engage the front hydraulic valve. A light on the switch will illuminate to indicate that the front hydraulic valve is on, and to enable the activation switch (2).
  • Page 53: Quick Hitch Frame And Bucket

    ASSEMBLY INSTRUCTIONS BQuick Hitch Frame and Bucket BHydraulic Hoses 1. Connect four hydraulic hoses, with quick couplers, between the hydraulic tube lines and the control valve as indicated with color marks. To avoid personal injury: Then connect the protective caps and plugs to each A Do not operate or mount loader without quick other.
  • Page 54: Pre-Operation Check

    2. Impact wrench, Ratchet wrench, Torque wrench, Socket wrench, Spanner wrench. 3. Nylon strap. Remote Valve Type Loader LA1154 1.5 hours BTransmission Fluid Check the tractor transmission fluid level. Add fluid if necessary. Refer to the tractor operator's manual for instructions and proper fluid.
  • Page 55: 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 56: Tightening Torque Of Adaptors, Elbows And Others

    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 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...
  • Page 57: Template For Controller Cable

    ASSEMBLY INSTRUCTIONS TEMPLATE FOR CONTROLLER CABLE...
  • Page 59 ALIGN TEMPLATE WITH RUBBER MAT OF TRACTOR HOLE OF CONTROLLER CABLE ON THE STEP SLIT THE RUBBER MAT OF TRACTOR...
  • Page 61 MODEL LA1154 3rd. Function Valve PUMP LINE [Standard valve with 3rd. Function, Accumulator] POWER BEYOND LINE (To Tank) TANK LINE (From T.H.P.T) Accumulator Standard 4P-Coupler 300mm Tractor’s Hydraulic Power Take-off (T.H.P.T.) (From Accumulator T3) 710mm (To 3rd. Function Stay F1) (From Valve P.B.)
  • Page 62 MODEL LA1154 3rd. Function Valve PUMP LINE [Self-leveling valve with 3rd. Function, Accumulator] POWER BEYOND LINE (To Tank) TANK LINE (From T.H.P.T) Accumulator Standard 4P-Coupler 300mm Tractor’s Hydraulic Power Take-off (T.H.P.T.) (From Accumulator T3) 570mm (To 3rd. Function Stay F1) (From Valve P.B.)
  • Page 63 MODEL LA1154SU PUMP LINE [Standard valve with 3rd. Function] POWER BEYOND LINE TANK LINE Coupler Stay 3rd. Function Valve Tractor’s Hydraulic Power Take-off (T.H.P.T.) (From T.H.P.T) (To Tank) (From Valve P.B.) 710mm (To 3rd. Function Valve) (To 3rd. Function Stay F1) (To 3rd.

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