Kubota KX057-4, U55, U55-4 Excavator Workshop Service Manual

Kubota Excavator Model KX057-4, U55, U55-4
Publication: RY921-20860
Format: PDF
Language: English and French
Kubota KX057-4, U55, U55-4 Excavator Workshop Manual – 739 Pages (English Version)
Kubota KX057-4, U55, U55-4 Excavator Workshop Manual – 798 Pages (French Version)

Table of Content of the Workshop Service Manual

I INFORMATION
G GENERAL
1 MACHINE BODY
2 ENGINE
3 HYDRAULIC SYSTEM
4 ELECTRICAL SYSTEM
5 CABIN

Your KUBOTA dealer is always ready to help so that your excavator offers the best performance. After having carefully read this manual, you will realize that much of the routine maintenance can be done by yourself. Machines must be disassembled and assembled efficiently and safely. It is very important to thoroughly understand the construction and function of the machine, to make all appropriate preparations, and start operations according to the specified working procedures in this workshop service manual.

This Kubota Excavator Workshop Manual provides service personnel with information about the mechanisms, service and maintenance of the construction machinery. This Workshop Manual is divided into 3 sections, General, Mechanisms and Service.

– General
This section contains information such as engine and equipment ID numbers, general precautions, maintenance schedules, inspections and maintenance items and special tools.
– Mechanisms
This section describes the structure of mechanisms and explains their functions.Be sure that you fully understand this Mechanisms section prior to performing any service work, such as troubleshooting or when performing any disassembly or assembly work.
– Service
This section contains information and procedures for performing maintenance on the backhoe, such as troubleshooting, service specification tables, torque specifications, items to be inspected and adjusted, disassembly and assembly procedures, as well as precautions, maintenance standard values and usage limits.
All of the illustrations, specifications and other information in this KX057-4, U55, U55-4 Excavator manual were created based on the latest model at the time of publication.

IMPORTANT INSPECTION ITEMS AFTER REASSEMBLING

a Operate the Kubota KX057-4, U55, U55-4 Excavator and check for Unusual Noise and Vibrations.
b Make Sure the Safety decals and Wire harness Clamps are in their Specified Positions.
c With the Machine Front in a Specified Posture, Check the Amount of Hydrauric Oil Checking the oil level (For further details, refer to the Excavator KX057-4, U55, U55-4 Operators Manual)
1) Park the machine on a level ground.
2) Make sure the hydraulic oil temperature is in the range of 10-30C (50-86F) and see if the oil level is within the specified zone of the oil level gauge.
3) Keep the machine front as shown as following posture.

Inspect electrical wiring for damage and/or loose connections.
• Do not alter or rewire any electrical parts or wiring.
• Always remove the negative battery cable first when disconnecting the battery and attach the positive cable first when connecting it.