wsm Kubota U15 Workshop Manual
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wsm Kubota U15 Workshop Manual

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WORKSHOP MANUAL
KUBOTA EXCAVATOR
U15
U15-3
Service Chapter
Code No.97899-61282

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Summary of Contents for wsm Kubota U15

  • Page 1 WORKSHOP MANUAL KUBOTA EXCAVATOR U15-3 Service Chapter Code No.97899-61282...
  • Page 2 CONTENTS I General II Machine Body III Engine IV Hydraulic System V Electrical system...

  • Page 3: Table Of Contents

    WSM U15, U15-3 Service I. General A.Body and engine identification marks ... . . I-S-3 B.Safety precautions for servicing, disassembly and reassembly . . I-S-4 a. Safety measures before starting work....I-S-4 b.
  • Page 4 WSM U15, U15-3 Service A.Body and engine identification marks If trouble should occur during use, or if servicing is necessary, contact the dealer who handles the machine. At that time please inform the machine model and engine type and serial numbers.

  • Page 5: B.safety Precautions For Servicing, Disassembly And Reassembly

    WSM U15, U15-3 Service B.Safety precautions for servicing, disassembly and reassembly Safety precautions for servicing Most accidents during servicing arise from carelessness. Please remember that Safety involves both the welfare of the employees and improved work efficiency. Safety precautions for Disassembly and reassembly Machines must be diassembled and assembled efficiently and safely.

  • Page 6: Preparation For Disassembly

    WSM U15, U15-3 Service c. Preparation for disassembly (1) Cleaning Remove mud and dirt from the body before disassembly. (2) Acceptance inspection The machine must be checked before it is disassembled to record existing conditions, such as those listed below.

  • Page 7: C.important Safety Process And Critical Functional Process

    WSM U15, U15-3 Service C.Important Safety process and critical functional process The following instructions are related to essential adhesives, important safety process and critical func- tional process .Pay special attention in servicing these process. (Pay also close attention in reconnecting the electrical cables.)

  • Page 8: Piping

    WSM U15, U15-3 Service d. Piping (1) General precautions • Tightening the pipe socket to the specified torque. If too tight, the socket itself or a hydraulic component may get damaged. It too loose, an oil leak may result. • In connecting a new hose or pipe, tighten its nut first to the specified torque and then turn it back (about 45°).
  • Page 9 WSM U15, U15-3 Service (4) Hose screw Metric Size Hose Tightening torque Torque N·m Thread size N·m kgf·m (piping screw) kgf·m Thread size Wrench size ft·lbf ft·lbf (piping screw) (reference) Taper thread 20 ~ 30 Union nut section × section 2.0 ~ 3.1...
  • Page 10 WSM U15, U15-3 Service (6) Tightening torque table for hose clamp (Screw type) Tightening torque N·m Dia. (mm) Code No. kgf·m ft·lbf Ø12 ~ 16 09318-89016 2.5 ~ 3.4 Ø19 ~ 25 09318-89024 25 ~ 35 Ø31 ~ 40 09318-89039 1.84 ~ 2.51...
  • Page 11 WSM U15, U15-3 Service (8) Tightening torque of bolts and nuts Refer to the tightness torque table below. Bolts, Nuts Nomial Dia. SS41 S40C, S45C SCr4 7.8 ~ 9.3 N·m 9.8 ~ 11.3 N·m 12.3 ~ 14.2 N·m 0.80 ~ 0.95 kgf·m 1.00 ~ 1.15 kgf·m...
  • Page 12 WSM U15, U15-3 Service (10)Washer-equipped elbow Tightening torque Size N·m kgf·m ft·lbs G1/4 25 ~ 30 2.5 ~ 3.0 18 ~ 22 G3/8 49 ~ 54 5.0 ~ 5.5 36 ~ 40 G1/2 59 ~ 64 6.0 ~ 6.5 43 ~ 47...

  • Page 13: E.maintenance Intervals

    WSM U15, U15-3 Service E.Maintenance intervals a. EU version [Operator servicing] Elapsed hours of operation General maintenance Interval Checking the engine oil level daily Check hydraulic oil level daily Check fuel level daily Check coolant level daily Lubricate front-end daily...
  • Page 14 WSM U15, U15-3 Service [Operator servicing] Elapsed hours of operation General maintenance 1000 Interval Checking the engine oil level daily Check hydraulic oil level daily Check fuel level daily Check coolant level daily Lubricate front-end daily attachments Checking the radiator and oil...
  • Page 15 WSM U15, U15-3 Service [Servicing by skilled personnel or KUBOTA dealer] Elapsed hours of operation * Servicing Interval Check/adjust V-belt tension 250 h Check coolant hoses and 250 h clamps Grease pilot valve linkage 250 h Change engine oil and oil...
  • Page 16 WSM U15, U15-3 Service [Servicing by skilled personnel or KUBOTA dealer] Elapsed hours of operation Servicing 1000 Interval Check/adjust V-belt tension 250 h Check coolant hoses and 250 h clamps Grease pilot valve linkage 250 h Change engine oil and oil...

  • Page 17: Pp (Ktc, Kcl)-Version

    WSM U15, U15-3 Service b. PP (KTC, KCL)-version Hour meter indicator Check points Intervals Consequently check Daily check Coolant change every 2 years Fuel check Daily check check Daily check Engine oil change every 500 hrs check Daily check Hydraulic oil...
  • Page 18 WSM U15, U15-3 Service Hour meter indicator Check points Intervals Consequently 1000 check Daily check Coolant change every 2 years Fuel check Daily check check Daily check Engine oil change every 500 hrs check Daily check Hydraulic oil change every 1000 hrs...
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