Kubota B21, TL421, BT751 Tractor Loader Workshop Service Manual

Kubota B21, TL421, BT751 Tractor Loader Workshop Service Manual

$34.00

Publication: 9Y011-12011
Format: PDF
Language: English
Kubota B21, TL421, BT751 Tractor Workshop Manual – 437 Pages

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  • Description
  • Table of Content
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Description

Kubota B21, TL421, BT751 Tractor Loader Workshop Service Manual

Kubota Tractor Model B21, TL421, BT751
Publication: 9Y011-12011
Format: PDF
Language: English
Kubota B21, TL421, BT751 Tractor Workshop Manual – 437 Pages

Table of Content of the Workshop Service Manual

This Workshop Manual has been prepared to provide servicing personnel with information on the mechanism, service and maintenance of KUBOTA Tractor B21, KUBOTA Front Loader TL421 and KUBOTA Backhoe BT751 . It is divided into three parts, “General”, “Mechanism” and “Servicing” for each section.
■ General
Information on the tractor identification, the general precautions, maintenance check list, check and maintenance and special tools are described.
■ Mechanism
Information on the construction and function are included. This part should be understood before proceeding with troubleshooting, disassembling and servicing.
Refer to Diesel Engine / Tractor Mechanism Workshop Manual (Code No. 9789701873 / 97897-18200) for the one which has not been described to this workshop manual.
■ Servicing
Information on the troubleshooting, servicing specification lists, tightening torque, checking and adjusting, disassembling and assembling and servicing which cover procedures, precautions, factory specifications and allowable limits.
All information illustrations and specifications contained in this manual are based on the latest product information available at the time of publication.

During disassembly of the KUBOTA Tractor B21, KUBOTA Front Loader TL421 and KUBOTA Backhoe BT751, carefully arrange removed parts in a clean area to prevent confusion later. Screws, bolts and nuts should be installed in their original position to prevent reassembly errors.
• When special tools are required, use KUBOTA genuine special tools. Special tools which are not frequently used should be made according to the drawings provided.
• Before disassembling or servicing electrical wires, always disconnect the ground cable from the battery first.
• Remove oil and dirt from parts before measuring.
• Use only KUBOTA Tractor B21, KUBOTA Front Loader TL421 and KUBOTA Backhoe BT751 genuine parts for parts replacement to maintain machine performance and to assure safety.
• Gaskets and O-rings must be replaced during reassembly.
Apply grease to new O-rings or oil seals before assembling.
See the figure left side.
• When reassembling external snap rings or internal snap rings, they must be positioned so that sharp edge faces against the direction from which a force is applied. See the figure left side.
• When inserting spring pins, their splits must face the direction from which a force is applied. See the figure left side.
• To prevent damage to the hydraulic system, use only specified fluid or equivalent.

  • Workshop Manual
  • SECTION 1 GENERAL INFORMATION
    Group 1 Precautions for disassembling and
    Assembling
    Group 2 Tightening Torque
    Group 3 Painting
    Group 4 Bleeding Air from Hydraulic Oil Tank
    SECTION 2 UPPERSTRUCTURE
    Group 1 Cab
    Group 2 Counterweight
    Group 3 Main Frame
    Group 4 Pump Device
    Group 5 Control Valve
    Group 6 Swing Device
    Group 7 Pilot Valve
    Group 8 Pilot Shut-Off Valve
    Group 9 Signal Control Valve
    Group 10 Travel Shockless Valve
    Group 11 Solenoid Valve
    Group 12 Pilot Relief Valve
    Group 13 Steering Valve
    Group 14 Brake Valve
    Group 15 Accumulator Charging Valve
    Group 16 Transmission Control Valve
    SECTION 3 UNDERCARRIAGE
    Group 1 Swing Bearing
    Group 2 Travel Motor
    Group 3 Center Joint
    Group 4 Transmission
    Group 5 Axle
    Group 6 Axle Lock Cylinder
    Group 7 Operate-Check Valve
    Group 8 Propeller Shaft
    SECTION 4 FRONT ATTACHMENT
    Group 1 Front Attachment
    Group 2 Cylinder
    Group 3 Hose-Rupture Safety Valve
    Group 4 Operate-Check Valve
    SECTION 5 ENGINE

    Service Manual (Troubleshooting)
    SECTION 4 OPERATIONAL PERFORMANCE
    TEST
    Group 1 Introduction
    Group 2 Standard
    Group 3 Engine Test
    Group 4 Tractor Test
    Group 5 Component Test
    Group 6 Adjustment
    SECTION 5 TROUBLESHOOTING
    Group 1 General
    Group 2 Component Layout
    Group 3 Troubleshooting A
    Group 4 Troubleshooting B
    Group 5 Troubleshooting C
    Group 6 Electrical System Inspection
    Group 7 ICX

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