Kubota U25S, U20-3a, U25-3a Workshop Service Manual
Product Overview
This comprehensive workshop service manual covers the Kubota Excavator models U25S, U20-3a, and U25-3a. Designed to help you understand and maintain your machines effectively, this manual contains 478 pages of detailed instructions. The manual is available in PDF format and provides guidance in English.
The U25S is specifically tailored for the KTC, KCL, and KTA models and is referred to as the PP-version within the manual. Meanwhile, the U20-3 and U25-3 models are for KE, KUK, and KBM versions, labeled as the EU-version.
Table of Contents
- I. General
- II. Machine Body
- III. Engine
- 05-M Series Engine ………………………………………………………………. III-S-1
- Mechanism Section ……………………………………………………….. III-M-25
- Service Section …………………………………………………………………. III-S-47
- IV. Hydraulic System
- V. Electrical System
Key Features
- Detailed step-by-step maintenance procedures.
- Comprehensive coverage of engine, hydraulic, and electrical systems.
- Guides for disassembling and assembling components safely and efficiently.
Benefits
- Empowers you with the knowledge to perform routine maintenance independently.
- Ensures optimal machine performance through proper understanding and maintenance.
- Provides technical support from your KUBOTA dealer as needed.
Usage Recommendations
- Carefully read through each section to familiarize yourself with machine components and functions.
- Follow specified working procedures for all maintenance tasks.
- After servicing, verify correct assembly by conducting inspections as outlined in the manual.
Important Inspection Items After Reassembling
- Operate the excavator to check for unusual noises and vibrations.
- Ensure safety decals and wire harness clamps are correctly positioned.
- Check hydraulic oil levels by:
- Parking the machine on a level surface.
- Ensuring the oil temperature is between 10-30u00b0C (50-86u00b0F) and verify oil level using the gauge.
- Maintaining the machine’s posture as specified in the manual.
Note: Quantities of oil, fuel, and other fluids should align with the manual’s specifications, except for oil in track rollers and idlers.
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