Kubota U48-4 Manuals

Kubota U48-4 Manuals

Manuals and User Guides for Kubota U48-4. We have 2 Kubota U48-4 manuals available for free PDF download: Operation Instruction Manual, Workshop Manual

Kubota U48-4 Operation Instruction Manual

Kubota U48-4 Operation Instruction Manual (178 pages)

Mini Excavator

Brand: Kubota | Category: Compact Excavator | Size: 6 MB

Table of Contents

Operating Instructions
1
Table of Contents
3
Abbreviations
8
General Symbols
9
General Information

11
- Foreword
  11
- EC Declaration of Conformity
  11
- Date of Issue of the Operating Instructions
  12
- Operating Personnel
  12
- Location of the Operating Instructions
  12
- Spare Parts
  13
Safety Rules

14
- Basic Safety Instructions
  14
- Duties, Liability and Warranty
  14
- Safety Symbols
  15
- Approved Use
  16
- Unapproved Use
  16
- Special Duties of the Owner
  17
- Noise Emission and Vibration
  17
  - Noise Emission
    17
  - Vibrations
    17
- Safety Labels on the Excavator
  18
- Safety Devices
  26
  - Locking the Controls
    26
  - Engine Stop Knob
    26
  - Protective Structure Canopy and Cab
    27
  - Emergency Hammer
    27
  - Pipe Safety Valve
    28
  - Overload Warning Function
    28
- Hazards Coming from the Hydraulic System
  29
- Fire Protection
  29
Recovery, Loading and Transport

31
Description of the Excavator

37
- Model Overview
  37
  - Model KX057-4, U48-4 and U55-4
    37
- Dimensions
  38
  - Dimensions KX057-4, U48-4 and U55-4
    38
- Specifications
  40
- Identification of the Excavator
  43
  - Serial # of the Machine
    43
  - Engine Number
    44
- Equipment
  44
  - Standard Equipment
    44
Assembly and Functions

45
Operation

58
- Safety Rules for Operation
  58
- Initial Operation
  61
- Operating the Excavator
  64
  - Pre-Operational Services
    64
    
    Checking the Engine Oil Level
    64
    
    Checking the Coolant Level
    65
    
    Checking the Radiators and the Condenser
    65
    
    Checking the Exhaust System for Leaks
    66
    
    Checking the V-Belts
    66
    
    Checking the Oil Level of the Hydraulic System
    67
    
    Greasing the Bucket Bolts and Bucket Linkage Bolts
    67
    
    Checking Fuel Level, Coolant Temperature and Time
    68
    
    Checking the Electric Cables and Connections
    68
  - Setting up the Workplace
    68
    
    Getting on the Excavator
    68
    
    Adjusting the Operator's Seat
    69
    
    Backrest Adjustment
    69
    
    Horizontal Seat Adjustment (Seat Stand-Off)
    69
    
    Seat Height Adjustment (Knee Height)
    69
    
    Spring Adjustment (Operator's Weight)
    69
    
    Rear View Mirrors Adjustment
    70
    
    Seat Belt
    70
- Safety Instructions for Starting the Engine
  70
  - Starting the Engine
    71
  - Stopping the Engine
    72
  - Observation of the Displays after Starting and During Operation
    73
  - Driving the Excavator
    75
    
    Driving
    76
    
    During Driving
    77
    
    Turning
    77
    
    From a Standing Position
    78
    
    Turning on the Spot
    78
    
    Driving Uphill and Downhill
    79
    
    Notes for Rubber Crawler Operation
    79
    
    Making Sharp Turns
    80
    
    Protecting the Crawler against Salt
    80
  - Operating the Controls During Excavation Work
    80
    
    Note on Using Wider and Deeper Buckets
    81
    
    Operating the Dozer
    81
    
    Operating the Boom
    82
    
    Overview of Control Lever Functions (Standard Setting)
    82
    
    Operating the Arm
    83
    
    Operating the Bucket
    84
    
    Swinging the Boom
    85
    
    Swivelling the Swivel Frame
    85
  - Operating the Auxiliary Ports
    86
    
    Activating the Auxiliary Port Function
    86
    
    Auxiliary Port 1
    87
    
    Auxiliary Port 2
    87
    
    One Way Hold Operation
    88
    
    Operating Modes
    88
    
    Flow Rate Setting
    90
    
    Return Change Valve for Direct Return Flow
    94
    
    Pressure Relief of the Auxiliary Ports
    95
    
    Pressure Relief of the Hydraulic System
    95
- Placing out of Operation
  97
- Operating the Heating and Air-Conditioner System (Optional)
  98
  - Heating the Cab
    98
  - Cooling the Cab
    98
  - De-Icing or Demisting the Windows
    99
- Operating the Wiper/Washer System
  99
  - Switching on the Windscreen Wiper
    99
  - To Turn on the Washer System
    100
- Operating the Room Light
  100
- Operating the Rotary Beacon
  100
- Operating the 12 V Plug
  101
- Opening and Closing the Cab Door
  101
  - Opening the Cab Door from Outside
    101
  - Closing the Cab Door
    101
  - Opening the Cab Door from the Inside
    102
- Opening and Closing the Windows
  102
  - Front Window
    102
  - Side Window
    103
- Operating the Working Light (Boom)
  103
- Operating the Working Lights (Cab)
  103
- Cold Weather Operation
  104
  - Necessary Preparations Prior to the Winter Season
    104
  - Operation During the Winter Season
    104
- Jump-Starting the Excavator
  105
- Emergency Stop Functions
  106
  - Engine Stop Knob
    106
  - Manual Lowering of the Front Attachments
    106
- Filling up the Washer System
  107
- Refuelling the Excavator
  107
- Bleeding the Fuel System
  110
- Replacing the Fuses
  110
  - Fuse Layout of the Fuse Box
    111
  - Main Fuses
    112
- Operating the Battery Cut-Off Switch
  112
- Opening and Closing the Engine Compartment Cover
  112
- Opening/Closing the Side Cover
  113
- Opening/Closing the Tool Compartment (KX057-4 Only)
  114
- Opening/Closing the Service Covers
  114
  - Opening/Closing the Front Service Covers
    114
  - Opening/Closing the Left Service Cover (Optional KX057-4 Only)
    114
- Replacing the Bucket
  115
- Anti-Theft System
  115
  - Black (Individual) Key
    115
  - Red Key (for Registering)
    116
  - The Key System
    116
  - Registering a Black Key for the Machine
    117
Troubleshooting

119
Maintenance

126
- Safety Rules for Maintenance
  126
- Personnel Requirements
  126
- General Maintenance Chart: 50 to 500 Hours of Operation
  127
- General Maintenance Chart: 550 to 1000 Hours of Operation
  128
- Servicing Maintenance Chart: 50 to 500 Hours of Operation
  129
- Servicing Maintenance Chart: 550 to 1000 Hours of Operation
  130
- Cleaning the Excavator
  131
- Servicing
  131
  - Refilling Coolant
    131
  - Cleaning the Radiators and the Condenser
    132
  - Checking, Adjusting and Replacing the V-Belts
    133
  - Checking the Coolant Hoses
    133
  - Replacing the Coolant
    134
  - Replacing the Engine Oil and Oil Filter
    135
    
    Draining the Engine Oil
    135
    
    Replacing the Oil Filter
    135
    
    Filling the Engine Oil
    136
  - Checking, Cleaning and Replacing the Air Filter
    137
  - Replacing the Fuel Filter
    138
  - Checking and Emptying the Water Separator
    138
  - Cleaning the Water Separator
    139
  - Draining the Fuel Tank
    139
  - Checking the Fuel Lines and the Air Intake Hoses
    140
  - Replacing the Return Filter in the Hydraulic Oil Tank
    140
  - Replacing the Tank Breather Filter
    141
  - Replacing the Pilot Circuit Filter
    142
  - Replacing the Suction Filter in the Hydraulic Oil Tank
    143
  - Topping Up/Changing the Hydraulic Oil
    144
    
    Draining the Hydraulic Oil
    144
    
    Filling the Hydraulic Oil
    145
  - Battery Service
    146
    
    Charging the Battery
    146
    
    Checking the Battery
    146
    
    Installing/Uninstalling and Replacing the Battery
    147
  - Lubrication
    148
    
    Greasing the Pitch Bearing
    148
    
    Greasing the Swivel Gear
    148
    
    Greasing the Swing Bracket
    149
    
    Other Greasing Points
    149
  - Checking and Tensioning the Crawler Tension
    150
    
    Checking the Crawler Tension
    150
    
    Adjusting the Crawler Tension
    151
    
    Checking the Crawler Tension (Steel)
    151
  - Replace the Drive Unit Oil
    152
  - Checking, Cleaning, Replacing the Interior Air Filter
    152
  - Checking the Pipes and Hoses of the Heating and Air-Conditioner Systems
    153
  - Checking the Coolant Content (Air-Conditioner Only)
    154
  - Viewing the Operations Log
    155
- Checking the Bolted Joints
  156
- Recommended Lubricants
  159
- Excavator Repairs
  160
Safety Inspection

161
Taking out of Service and Storage

162
Lifting Capacity of the Excavator

164
Accessories

174
- KUBOTA Rotary Beacon
  174
- KUBOTA Pipe Safety Valve
  174
  - Note on Use
    175
- KUBOTA Quick Coupling Systems and Equipments
  175
- KUBOTA Bucket Accessories
  175
  - Replacing the Bucket
    175
    
    Remove the Bucket
    176
    
    Install the Bucket
    177

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Kubota U48-4 Workshop Manual

Kubota U48-4 Workshop Manual (42 pages)

Brand: Kubota | Category: Excavators | Size: 4 MB

Table of Contents

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