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Kubota
Compact Excavator
U27-4
Kubota U27-4 User Manual
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Lifting capacity of the exca
vator
RH418-8135-3
153
07/2015
Max. lifting load dur
ing swivel opera
tion is 360°
U27-4 (c
anopy)/a
rm 1300
mm
U27-4 (c
ab)/arm 130
0
mm
152
154
Table of Contents
Default Chapter
1
Operating Instructions
1
Contents
3
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
18
Safety Instructions on the Excavator
19
Safety Devices
26
Locking the Controls
26
Engine Stop Knob
26
Protective Structure Canopy and Cab
27
Emergency Hammer
28
Hazards Coming from the Hydraulic System
28
Fire Protection
29
Recovery, Loading and Transport
30
Safety Rules for Recovery
30
Safety Rules While Loading with a Crane
30
Safety Rules for Transport
31
Recovery
32
Hoisting the Excavator with a Crane
32
Transport on a Flat Bed Trailer
34
Description of the Excavator
36
Dimensions
36
Specifications
38
Identification of the Excavator
40
Serial # of the Machine
40
Engine Number
40
Standard Equipment
41
Assembly and Functions
42
Component Overview
42
Operator's Place
43
Left Control Console
43
Drive Levers and Control Pedals
44
Right Control Console
45
Display and Control Unit
46
Other Equipment at the Operator's Place
48
Interior Lighting
48
Fuse Box
48
Tool Compartment
48
Cup Holder
49
12-V Socket
49
Other Equipment to be Found at the Machine
49
Main Battery
49
Battery Cut-Off Switch
50
Return Change Valve for Direct Return Flow
50
Tank Filler Neck and Fill Level Monitor
50
Main Fuses
51
Rear View Mirror
51
Heating and Ventilation (Cab Version)
51
Hydraulic Oil Tank
53
Coolant Radiator and Hydraulic Oil Radiator
53
Engine Compartment
54
Variable>Rh418
55
Operation
55
Safety Rules for Operation
55
Safety for Children
56
Guiding the Operator
56
Working in the Vicinity of Overhead Power Lines
57
Working in the Vicinity of Underground Power Lines
57
Initial Operation
57
Getting on the Excavator
58
Explanation of the Display Indications
58
Setting the Clock
59
Running-In of the Excavator
60
Special Maintenance Instructions
60
Pre-Operational Services
60
Walk-Around Inspection
60
Dust Valve - Clean
61
Engine Oil Level - Check
61
Coolant Level - Check
61
Coolant Radiator and Oil Cooler - Check
62
V-Belt - Check
62
Exhaust System Leakage - Check
62
Hydraulic Oil - Check
63
Water Separator - Check
63
Bucket Bolt and Bucket Linkage Bolt - Grease
64
Swing Bracket - Grease
64
Other Greasing Points - Grease
65
Fuel Level - Check
66
Washer System Liquid Level (Cab Version) - Check
66
Electrical Instrumentation - Check
66
Setting up the Workplace
67
Opening and Closing the Cab Door (Cab Version)
67
Opening and Closing the Windows (Cab Version)
68
Adjusting the Operator's Seat
69
Rear View Mirrors Adjustment
69
Seat Belt
69
Operating the Excavator
70
Safety Instructions for Starting the Engine
70
Starting the Engine
70
Stopping the Engine
72
Observation of the Displays after Starting and During Operation
72
Driving the Excavator
75
Driving Uphill and Downhill
78
Stopping on Gradients
78
Notes for Rubber Crawler Operation
79
Operating the Controls During Excavation Work
80
Note on Using Wider and Deeper Buckets
80
Operating the Dozer
81
Overview of Control Lever Functions
81
Operating the Boom
82
Operating the Arm
82
Operating the Bucket
83
Swivelling the Swivel Frame
84
Swinging the Boom
84
Operating the Auxiliary Port
85
Return Change Valve for Direct Return Flow
86
Pressure Relief of the Hydraulic System
87
Placing out of Operation
87
Operating Other Equipment at the Operator's Place
88
Operating the Heating System (Cab Version)
88
Operating the Wiper/Washer System (Cab Version)
90
Operating the Interior Light (Cab Version)
91
Operating the Rotary Beacon (Accessories)
91
Operating the 12 V Plug
91
Operating the Working Lights
92
Operating the Battery Cut-Off Switch
92
Cold Weather Operation
93
Necessary Preparations Prior to the Winter Season
93
Operation During the Winter Season
93
Jump-Starting the Excavator
94
Operating in Emergency Situations
95
Engine Stop Knob
95
Manual Lowering of the Front Attachments
95
Maintenance
96
Filling up the Washer System
96
Refilling the Coolant
96
Refuelling the Excavator
97
Fill Level Monitor When Refuelling
97
Bleeding the Fuel System
98
Replacing the Fuses
98
Fuse Layout of the Fuse Box
100
Main Fuses
100
Cleaning the Excavator
101
Replacing the Bucket
101
Anti-Theft System
102
Black (Individual) Key
102
Red Key (for Registering)
103
The Key System
103
Registering a Black Key for the Machine
104
Troubleshooting
106
Safety Rules for Troubleshooting
106
Troubleshooting: before Operation
106
Troubleshooting: Operation
107
Troubleshooting: Display Indications
108
Maintenance
111
Safety Rules for Maintenance
111
Personnel Requirements
111
Repair Work on the Machine
112
Maintenance Intervals
112
Maintenance Interval Display
112
Operator Maintenance Chart
114
Skilled Personnel Maintenance Chart
116
Operating Materials
118
Make the Maintenance Points Accessible
120
Opening and Closing the Engine Compartment Cover
120
Opening/Closing the Side Cover
121
Opening and Closing the Left Service Cover
121
Opening and Closing the Right Ventilation Grille
122
Maintenance Work for the Operator
123
Every 50 Hours of Operation
123
Fuel Tank - Drain
123
Battery Service
124
Battery - Check
124
Battery - Load
124
Battery - Change
125
Swivel Gear - Grease
126
Crawler Tension - Check/Adjust
126
Crawler Tension - Check
127
Crawler Tension - Adjust
128
Water Separator - Clean
128
Every 200 Hours of Operation
130
Swivel Bearing - Grease
130
Interior Air Filter Element - Check/Clean
130
Air Filter Element - Check/Clean
131
Coolant Hoses and Clamps - Check
132
Fuel Line and Intake Air Hose - Check
133
Every 1000 Hours of Operation
133
Air Filter Element - Change
133
Servicing by Skilled Personnel
134
Every 250 Hours of Operation
134
V-Belt - Adjust
134
Pilot Valve - Grease
134
Every 500 Hours of Operation
135
Engine Oil and Engine Oil Filter - Change
135
Engine Oil - Drain
135
Engine Oil Filter - Change
135
Engine Oil - Fill
136
Drive Unit Oil - Change
136
Fuel Filter Cartridge - Change
137
Return Filter - Change
138
Every 1000 Hours of Operation
139
Hydraulic Oil - Fill/Change
139
Hydraulic Oil - Drain
139
Hydraulic Oil - Fill
140
Suction Filter - Change
140
Heating Pipes and Hoses - Check
141
In-Line Filter - Change
141
Interior Air Filter Element - Change
142
Pilot Circuit Filter - Change
142
Every 2 Years
143
Coolant - Change
143
Bolted Joints - Check
145
Tightening Torque for Screws
145
Tightening Torque for Hose Clamps
145
Tightening Torque for Hydraulic Hoses
146
Tightening Torque for Hydraulic Pipes
146
Tightening Torque for Hydraulic Adapters
146
Safety Inspection
147
Taking out of Service and Storage
148
Safety Rules for Taking out of Service and Storage
148
Storage Conditions
148
Measures before Taking out of Service
148
Measures During Taking out of Service
148
Start-Up after Taking out of Service
149
Lifting Capacity of the Excavator
150
Constructive Calculation of Lifting Capacity
150
Lifting Attachment
151
Load Suspension Device
152
Max. Lifting Load During Swivel Operation Is 360
153
Accessories
156
KUBOTA Rotary Beacon
156
KUBOTA Pipe Safety Valve
156
Note on Use
157
KUBOTA Overload Warning System
157
KUBOTA Quick Coupling Systems and Attachments
157
KUBOTA Bucket Accessories
157
Other manuals for Kubota U27-4
Maintenance Chart
2 pages
4
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Kubota U27-4 Specifications
General
Make
Kubota
Model
U27-4
Category
Compact Excavator
Bucket Capacity
0.08 m3
Max Dig Depth
2.82 m
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