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Hitachi EX50U Manuals
Manuals and User Guides for Hitachi EX50U. We have
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Hitachi EX50U manual available for free PDF download: Operator's Manual
Hitachi EX50U Operator's Manual (197 pages)
Brand:
Hitachi
| Category:
Excavators
| Size: 3.55 MB
Table of Contents
Table of Contents
4
Machine Numbers
7
Machine Type and Serial Number
7
Product Identification Number (PIN)
7
Safety
9
Recognize Safety Information
9
Understand Signal Words
9
Follow Safety Instructions
10
Prepare for Emergencies
10
Wear Protective Clothing
11
Protect against Noise
11
Inspect Machine
11
Use Handholds and Steps
12
Adjust the Operator's Seat
12
Fasten Your Seat Belt
13
Move and Operate Machine Safely
13
Operate Only from Operator's Seat
14
Jump Starting
14
Keep Riders off Machine
14
Investigate Job Site Beforehand
15
Protect against Falling Stones and Debris
15
Provide Signals for Jobs Involving Multiple Numbers of Machines
16
Confirm Direction of Machine to be Driven
16
Drive Machine Safely
17
Avoid Injury from Rollaway Accidents
18
Avoid Injury from Back-Over and Swing Accidents
19
Keep Person Clear from Working Area
20
Never Position Bucket over Anyone
20
Avoid Undercutting
20
Avoid Tipping
21
Never Undercut a High Bank
21
Dig with Caution
22
Operate with Caution
22
Avoid Power Lines
22
Do Not Use for Craning Operation
23
Protect against Flying Debris
23
Park Machine Safely
23
Handle Fluids Safely - Avoid Fires
24
Safety Transporting
25
Practice Safe Maintenance
26
Support Machine Properly
27
Stay Clear of Moving Parts
27
Warn Others of Service Work
27
Prevent Parts from Flying
28
Store Attachments Safely
28
Prevent Burns
29
Replace Rubber Hoses Periodically
29
Avoid High-Pressure Fluids
30
Prevent Fires
31
Evacuating in Case of Fire
32
Beware of Exhaust Fumes
32
Avoid Heating Near Pressurized Fluid Lines
33
Avoid Applying Heat to Lines Containing Flammable Fluids
33
Remove Paint before Welding or Heating
33
Prevent Battery Explosions
34
Avoid Harmful Asbestos Dust
34
Handle Chemical Products Safely
35
Dispose of Waste Properly
35
Safety Signs
36
Operator's Station
44
Pedals and Levers
44
Monitor Panel and Switch Panel
45
Key Switch
46
Work Light Switch
46
Monitor Panel
47
Alternator Indicator
47
Engine Oil Pressure Indicator
47
Preheat Indicator
48
Coolant Temperature Gauge and Overheat Indicator
48
Fuel Gauge and Fuel Level Indicator
49
Hour Meter
49
Cab Heater
50
Wiper/Washer Switch
50
Opening and Closing Front Window
51
Emergency Exit
52
Tool Box and Operator's Manual Box
53
Cab Door Release Lever
53
Cab Light
53
Adjusting the Operator's Seat
54
Seat Belt (Ex27U, Ex35U)
55
Seat Belt (Ex50U)
56
Break-In
57
Breaking in a New Machine
57
Correct Break-In Procedures
57
Operating the Engine
59
Before Starting Engine
59
Engine Speed Control Lever
59
Starting the Engine
60
Check Instruments after Starting
60
Using Booster Batteries
61
Stopping the Engine
62
Fast Speed Travel Pedal
64
Travel Alarm
64
Traveling
65
Operating on Soft Ground
66
Raise One Track Using Boom and Arm
66
Towing Machine a Short Distance
67
Operating in Water or Mud
68
Precautions for Traveling on Slopes
69
Parking and Stopping on a Slope
70
Parking the Machine
70
Shifting the Control Lever Control Pattern
73
Boom-Swing Pedal
74
Optional Pedal
75
Blade Lever
77
Pilot Control Shut-Off Lever
78
Warming up Operation
80
Warming up in Cold Weather
80
Precautions for Operations
81
Avoid Tipping
82
Operating Backhoe
83
Grading Operation
84
Avoid Abusive Operation
84
Select Correct Track Shoes
85
Operating Tips
85
Object Handling
86
Avoid Hitting Blade with Front Attachment
87
Avoid Hitting Blade with Bucket
87
Avoid Striking the Blade into a Rock
87
Boom Cylinder May Hit Track
88
Precautions for Installing Wide Bucket or Special Type Bucket
88
Operate the Machine Safely
89
Using Rubber Crawler
90
Traveling and Other Cautions
91
Emergency Stop Procedure to Lower Front Attachment
92
Hydraulic Breaker Operating Tips
93
Replacement of Hydraulic Oil and Filter Element
95
Operating Hydraulic Crusher
96
After Finishing Work
97
Transporting
99
Transporting by Road
99
Transporting the Machine by Truck
99
Precautions for Transporting Machines with Rubber Tracks
101
Lifting the Entire Machine with Acrane
103
Maintenance
105
Correct Maintenance and Inspection Procedures
105
Service Your Machine at Specified Intervals
106
Check the Hour Meter Regularly
106
Prepare Machine for Maintenance
107
Hood and Access Covers
108
Daily Inspection
109
Daily Inspection Check List
110
Periodic Replacement of Parts
111
Maintenance Guide
112
Greasing
112
Front Joint Pins
112
Bucket and Link Pins
112
Precautions for Front Attachment and Blade Removal
117
Swing Bearing
118
Swing Internal Gear
119
Control Lever Universal Joint
120
Engine
121
Change Engine Oil
122
Replace Engine Oil Filters
122
Transmission
124
Hydraulic System
126
Inspection and Maintenance of Hydraulic Equipment
126
Check Hydraulic Oil Level
127
Drain Hydraulic Tank Sump
128
Change Hydraulic Oil
129
Replace Hydraulic Oil Tank Filter
133
Check Hoses and Lines
138
Fuel System
142
Drain Fuel Tank Sump
143
Check Water Separator
144
Replace Fuel Filter
145
Air Cleaner
146
Clean the Air Cleaner Element
146
Cooling System
148
Check Coolant Level
149
Check and Adjust Fan Belt Tension
150
Change Coolant
151
Clean Radiator Core
153
Electrical System
154
Replacing Fuses
156
Electical Socket
157
Miscellaneous
158
Check Bucket Teeth
158
Replace Bucket
160
Adjusting Bucket Linkage
161
Check Track Sag (Rubber Crawler)
162
Replace Rubber Track
164
Check Track Sag (Steel Crawler)
165
Check and Replace Seat Belt
168
Check Fuel Injection Nozzles
168
Check and Adjust Valve Clearance
168
Check Injection Timing
169
Measure Engine Compression Pressure
169
Check Starter and Alternator
169
Check Radiator Cap
169
Check Tightening Torque of Bolts and Nuts
170
Often-Replaced Parts
173
Maintenance under Special Environmental Conditions
174
Storing the Machine
175
Removing the Machine from Storage
176
Troubleshooting
177
SPECIFICATIONS Specifications (Ex27U)
179
Working Ranges (Ex27U)
180
Shoe Types and Applications (Ex27U)
181
Bucket Types and Applications (Ex27U)
182
Specifications (Ex35U)
183
Working Ranges (Ex35U)
184
Shoe Types and Applications (Ex35U)
185
Bucket Types and Applications (Ex35U)
186
Specifications (Ex50U)
187
Working Ranges (Ex50U)
188
Shoe Types and Applications (Ex50U)
189
Bucket Types and Applications (Ex50U)
190
Index
191
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