Kubota U48-4, U55-4 Excavator Repair Service Manual

Table of Contents

Kubota U48-4, U55-4 Manual

Main sections and selected subjects identified in the source documentation:

• Kubota Excavator Model U48-4, U55-4
• I General
• II Machine body
• Mechanism Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .II-M-1
• Service Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .II-S-1
• III Engine
• Mechanism Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .III-M-1
• Service Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .III-S-1
• IV Hydraulic System
• Mechanism Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .IV-M-1
• Service Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .IV-S-1
• ELECTRICAL SYSTEM
• Mechanism Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V-M-1
• Service Section. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V-S-1
• U48-4, U55-4
• IMPORTANT INSPECTION ITEMS AFTER REASSEMBLING
• a Operate the Kubota U48-4, 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.
• 1) Park the machine on a level ground.
• 3) Keep the machine front as shown as following posture.
• 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 of the Kubota U48-4, U55-4 Excavator 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