Kubota BX1880, BX2380 & BX2680 Tractor Mower Repair Manual

Kubota BX1880, BX2380, BX2680 Tractor Workshop Manual – 436 Pages
Kubota BX1880, BX2380, BX2680 Tractor Operators Manual – 106 Pages
Kubota Tractor Model BX1880, BX2380, BX2680

Table of Content of the Workshop Service Manual

This Workshop Manual tells the servicing personnel about the mechanism, servicing and maintenance of BX1880, BX2380, BX2680, RCK60B-23BX, RCK54-23BX, RCK48-18BX, RCK60D-26BX and RCK54D-26BX. It contains 4 parts: “Information”, “General”, “Mechanism”, and “Servicing”.

Information
This section primarily contains information below.
Safety first
Safety decal
Dimensions
General
This section primarily contains information below.
Engine identification
Model identification
General precautions
Maintenance check list
Check and maintenance
Special tools
Mechanism

This section contains information on the structure and the function of the BX1880, BX2380, BX2680 Tractors. Before you continue with the subsequent sections, make sure that you read this section.

Servicing
This section primarily contains information below.
Troubleshooting
Servicing specifications (Service specifications) Tightening torques
Checking, disassembling and servicing
This is only an extract of the TOC and not the whole TOC
7. HYDRAULIC SYSTEM
MECHANISM …………………………………………………………………………………………………………………………………..7-1
1. Structure of hydraulic system …………………………………………………………………………………………………….7-1
2. Hydraulic circuit ……………………………………………………………………………………………………………………….7-2
3. Hydraulic pump………………………………………………………………………………………………………………………..7-4
3.1 Outline of hydraulic pump …………………………………………………………………………………………………..7-4
3.2 Structure of hydraulic pump ………………………………………………………………………………………………..7-4
3.3 Specification of hydraulic pump …………………………………………………………………………………………..7-4
4. Control valve……………………………………………………………………………………………………………………………7-4
4.1 Outline of control valve……………………………………………………………………………………………………….7-4
4.2 Function of control valve …………………………………………………………………………………………………….7-5
4.2.1 Control valve in neutral position……………………………………………………………………………………7-5
4.2.2 Control valve in lift position ………………………………………………………………………………………….7-6
4.2.3 Control valve in down position ……………………………………………………………………………………..7-7
5. Flow priority valve…………………………………………………………………………………………………………………….7-8
5.1 Outline of flow priority valve ………………………………………………………………………………………………..7-8
5.2 Structure of flow priority valve ……………………………………………………………………………………………..7-9
5.3 Specification of flow priority valve ………………………………………………………………………………………7-10
6. Relief valve ……………………………………………………………………………………………………………………………7-10
6.1 Outline of relief valve………………………………………………………………………………………………………..7-10
6.2 Structure of relief valve ……………………………………………………………………………………………………. 7-11
6.3 Function of relief valve ……………………………………………………………………………………………………..7-12
6.4 Specification of relief valve………………………………………………………………………………………………..7-13
7. Hydraulic cylinder …………………………………………………………………………………………………………………..7-14
7.1 Structure of hydraulic cylinder……………………………………………………………………………………………7-14
8. Hydraulic block type outlet……………………………………………………………………………………………………….7-15
8.1 Structure of hydraulic block type outlet ……………………………………………………………………………….7-15
9. Mower linkage ……………………………………………………………………………………………………………………….7-16
9.1 Structure of mower linkage ……………………………………………………………………………………………….7-16
10. Front loader valve…………………………………………………………………………………………………………………7-17
10.1 Structure……………………………………………………………………………………………………………………….7-17
10.1.1 Structure of front loader valve and pipe……………………………………………………………………..7-17
10.1.2 Structure of front loader control valve………………………………………………………………………..7-18
10.2 Front loader hydraulic circuit ……………………………………………………………………………………………7-19
10.3 Function of loader control valve ……………………………………………………………………………………….7-20
10.3.1 Loader control lever in neutral position………………………………………………………………………7-20
10.3.2 Loader control lever in up position…………………………………………………………………………….7-21