Kubota R420B, and R520B Workshop Manual — 97899-60433

About this manual

Kubota published this Workshop Manual for the R420B and R520B wheel loader models. It brings the documented service and technical-reference material for those named wheel loaders into a single publication.

Its documented technical value includes dimensions for service checks and specification lookup. Use the values and conditions stated in the PDF for the applicable model and procedure.

Use the Manual Contents below to check that the exact repair, inspection, or maintenance procedure you need is included in this publication.

Manual details

Manufacturer

Kubota

Manual type

Workshop Manual

Models

R420B and R520B

Document number

97899-60433

Publication year

2004

Language

English

Page count

501

Product highlights

Electrical systems

The manual includes wiring diagrams and pinouts.

Hydraulic systems

The manual includes hydraulic circuit diagrams and hydraulic valve-adjustment material.

Specifications and settings

The manual includes reference information for pressure specifications.

Manual contents

Use these source headings to locate the task or system you need in the PDF.

• 1. GENERAL — p. 1-1
  • 1-1 Foreword — p. 1-1
  • 1-2 Safety Information — p. 1-2
  • 1-3 Precautions for Servicing — p. 1-4
    • 1-3-1 Before Starting Work — p. 1-4
      • 1-3-1-1 Wear Check — p. 1-4
      • 1-3-1-2 Equipment and Tools Check — p. 1-4
      • 1-3-1-3 Clearing and Arranging the Workshop — p. 1-4
    • 1-3-2 During Work — p. 1-5
      • 1-3-2-1 Protectors — p. 1-5
      • 1-3-2-2 Team Work — p. 1-5
      • 1-3-2-3 Cranes — p. 1-5
      • 1-3-2-4 Others — p. 1-6
    • 1-3-3 Disassembly and Reassembly — p. 1-7
      • 1-3-3-1 Disassembly — p. 1-7
      • 1-3-3-2 Assembly — p. 1-8
    • 1-3-4 After Work — p. 1-9
  • 1-4 Notes on Descriptions in This Manual — p. 1-10
  • 1-5 Machine and Engine Serial No — p. 1-11
  • 1-6 Part Names — p. 1-12
  • 1-7 Routine Check Chart — p. 1-13
  • 1-8 Periodic Check Chart — p. 1-14
  • 1-9 Quantity Table of Water and Oil — p. 1-15
  • 1-10 Hydraulic Hose Table — p. 1-17
  • 1-11 Tightening Torque Table — p. 1-19
    • 1-11-1 General Instructions — p. 1-19
    • 1-11-2 Bolts — p. 1-19
    • 1-11-3 Hoses, Joints and Flareless Joints — p. 1-20
    • 1-11-4 Hose Clamp (Screw Type) Tightening — p. 1-20
    • 1-11-5 Important Tightening Points — p. 1-21
    • 1-11-6 Oil Coating Portions — p. 1-23
    • 1-11-7 Thread Tightener — p. 1-23
  • 1-12 Parts Interchangeability List — p. 1-24

Capabilities

The source outline indexes servicing instructions, checking and adjustment, and disassembly and assembly. Use these source-backed headings to locate the applicable task or system in the source PDF, then confirm model-specific notes, specifications, illustrations, and operating conditions at the relevant page before carrying out service work.

Keep the source's safety sequence, prerequisite steps, labels, units, configuration notes, and footnotes with the selected task; do not apply an isolated value outside the conditions stated in the manual.

Technical reference

Reference tables include pressure specifications for service checks, adjustment work, and specification lookup. Use the values and conditions in the PDF for the applicable model and procedure.

• Pressure reference: pressure specifications.

Delivery

This manual is supplied as a digital PDF file and is available for instant download after purchase. No physical media is shipped.

References

Kubota Workshop Manual for Wheel Loader, document code 97899-60433, PDF edition.