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Zaxis 75US-A
Hitachi Zaxis 75US-A - User Manual
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PRINTED
IN
JAP
AN
(E)
2007,
06
Head
Ofce
:
5-1,
Koraku
2-chome,
Bunkyo-ku,
T
okyo
112-0004,
Japan
P
AR
T No. EM1CG-NA1-2
Serial No.
040001 and up
ZAXIS75US-A
HYDRAULIC
EXCA
V
A
TOR
OPERA
TOR’S
MANUAL
EM1CG-NA1-2
-A
This
manual
is
printed
on
r
ecycled
paper
.
Hydraulic Excavator
2
Table of Contents
Main Page
Operating the Machine
3
Machine Numbers
5
Table of Contents
7
Safety
11
Recognize Safety Information
11
Understand Signal Words
11
Follow Safety Instructions
12
Prepare for Emergencies
12
Wear Protective Clothing
13
Protect against Noise
13
Inspect Machine
13
General Precautions for Cab
14
Use Handholds and Steps
15
Adjust the Operator's Seat
15
Fasten Your Seat Belt
16
Move and Operate Machine Safely
16
Handle Starting Aids Safely
16
Operate Only from Operator's Seat
17
Jump Starting
17
Keep Riders off Machine
17
Investigate Job Site Beforehand
18
Protect against Falling Stones and Debris
18
Provide Signals for Jobs Involving Multiple Numbers of Machines
19
Confirm Direction of Machine to be Driven
19
Drive Machine Safely
20
Avoid Injury from Rollaway Accidents
21
Avoid Injury from Back-Over and Swing Accidents
22
Keep Personnel Clear from Working Area
23
Never Position Bucket over Anyone
23
Avoid Undercutting
23
Avoid Tipping
24
Never Undercut a High Bank
24
Dig with Caution
25
Operate with Caution
25
Avoid Power Lines
25
Object Handling
26
Protect against Flying Debris
26
Park Machine Safely
27
Handle Fluids Safely－Avoid Fires
27
Safety Transporting
28
Practice Safe Maintenance
29
Warn Others of Service Work
30
Support Machine Properly
30
Stay Clear of Moving Parts
30
Prevent Parts from Flying
31
Valve Assembly
31
Store Attachments Safely
31
Prevent Burns
32
Replace Rubber Hoses Periodically
32
Avoid High-Pressure Fluids
33
Prevent Fires
34
Evacuating in Case of Fire
35
Beware of Exhaust Fumes
35
Precautions for Welding and Grinding
36
Avoid Heating Near Pressurized Fluid Lines
37
Avoid Applying Heat to Lines Containing Flammable Fluids
37
Remove Paint before Welding or Heating
37
Prevent Battery Explosions
38
Service Air Conditioning System Safely
38
Handle Chemical Products Safely
39
Dispose of Waste Properly
39
Safety Signs
41
Components Name
45
Operator's Station
46
Cab Features
46
Monitor Panel
47
Coolant Temperature Gauge
48
Fuel Gauge
48
Auto-Idle Indicator
48
Fuel Level Indicator
48
Air Filter Restriction Indicator
48
Overheat Indicator
49
Engine Oil Pressure Indicator
49
Alternator Indicator
49
Preheat Indicator
49
Hydraulic Oil Filter Restriction Indicator
49
Liquid Crystal Display (LCD)
50
Display Selection Switch
50
Hour Meter
50
Trip Meter 1 and Trip Meter 2
51
Set Switch
52
Switch Panel
53
Engine Control Dial
53
Auto-Idle Switch
54
Power Mode Switch
55
Travel Mode Switch
55
Work Light Switch
56
Wiper/Washer Switch
57
Switch Panel (Optional)
58
Key Switch
59
Horn Switch
59
Cigar Lighter
60
12-V Power Source
61
Cab Light
62
Installing Fire Extinguisher
62
Pilot Control Shut-Off Lever
63
Engine Stop Knob
63
Fuse Box
64
Air Conditioner Operation
65
Cab Heater Operation
69
Cooling Operation
70
Defroster Operation
70
Tips for Optimal Air Conditioner Usage
72
Cab Heater Operation
75
Defroster Operation
76
AM/FM Radio Operation
77
Digital Clock Setting Procedure
78
Cab Door Release Lever
80
Opening Upper Front Window
80
Closing Upper Front Window
81
Removing and Storing Lower Front Window
82
Opening Side Windows
83
Opening/Closing Overhead Window
84
Emergency Exit
85
Adjusting the Seat
86
Adjusting Console Height
88
Seat Belt
89
Break-In
91
Observe Engine Operation Closely
91
Every Eight Hours or Daily
91
After the First 50 Hours
91
After the First 100 Hours
91
Operating the Engine
93
Inspect Machine Daily before Starting
93
Before Starting Engine
94
Starting the Engine
95
Starting in Cold Weather
96
Check Instruments after Starting
97
Using Booster Batteries
98
Stopping the Engine
100
Driving the Machine
101
Drive the Machine Carefully
101
Steering the Machine Using Pedals
102
Steering the Machine Using Levers
103
Travel Mode Switch
104
Travel Alarm
104
Traveling
105
Operating on Soft Ground
106
Raise One Track Using Boom and Arm
106
Towing Machine a Short Distance
107
Operating in Water or Mud
108
Precautions for Traveling on Slopes
109
Parking the Machine on Slopes
110
Parking the Machine
110
Operating the Machine
111
Horn
111
Control Lever (ISO Pattern)
112
Control Lever (HITACHI Pattern)
113
Pilot Control Shut-Off Lever
114
Engine Speed Control
117
Auto-Idle
118
Power Mode
119
Precautions for Operations
120
Operate the Machine Safely
121
Operating Backhoe
122
Grading Operation
122
Face Shovel Operation
123
Avoid Abusive Operation
123
Operating Tips
124
Select Correct Track Shoes
124
Shackle Hole Usage
125
Overnight Storage Instructions
125
Object Handling
126
Transporting
127
Transporting by Road
127
Loading/Unloading on a Trailer
127
Machine Lifting Procedure
131
Maintenance
133
Correct Maintenance and Inspection Procedures
133
Check the Hour Meter Regularly
134
Use Correct Fuels and Lubricants
134
Prepare Machine for Maintenance
135
Maintenance Guide Table
136
Hood and Access Covers
138
Periodic Replacement of Parts
139
Use Electrical Outlet
140
Maintenance Guide
141
Greasing
141
Front Joint Pins
141
Air Cleaner
142
Swing Bearing
144
Swing Internal Gear
148
Engine
149
Engine Oil Level
150
Change Engine Oil
150
Replace Engine Oil Filter
150
Transmission
152
Travel Reduction Gear
153
Hydraulic System
155
Check Hydraulic Oil Level
155
Inspection and Maintenance of Hy- Draulic Equipment
156
Drain Hydraulic Tank Sump
159
Change Hydraulic Oil
160
Suction Filter Cleaning
160
Replace Hydraulic Tank Oil Filter
163
Replace Pilot Oil Filter
164
Replace Swing Drain Filter Element
165
Replace Air Breather Element
166
Check Hoses and Lines
167
Service Recommendations for Hydraulic Fittings
170
Fuel System
172
Drain Fuel Tank Sump
172
Check Water Separator
172
Replace Fuel Filter
172
Clean Feed Pump Strainer
178
Check Fuel Hoses
179
Air Cleaner
180
Clean the Air Cleaner Element
180
Cooling System
182
Check Coolant Level
182
Check and Adjust Fan Belt Tension
182
Change Coolant
185
Clean Radiator Interior
185
Clean Radiator and Oil Cooler Core Outside
186
Clean Oil Cooler Front Screen
186
Clean Air Conditioner Condenser
186
Electrical System
187
Batteries
187
Replace Batteries
191
Replacing Fuses
192
Miscellaneous
193
Check Bucket Teeth
193
Change Bucket
193
Convert Bucket Connection into Face Shovel
197
Adjust the Bucket Linkage
198
Remove the Travel Levers
199
Check and Replace Seat Belt
199
Check Windshield Washer Fluid Level
199
Check Track Sag
200
Adjust Track Sag
200
Loosen the Track
201
Tighten the Track
201
Clean and Replace Air Conditioner Filter
202
Installation
203
Check the Air Conditioner
204
Check Injection Nozzle
206
Retighten Cylinder Head Bolt
206
Inspect and Adjust Valve Clearance
206
Check Fuel Injection Timing
206
Check Starter and Alternator
206
Change Water Pump Grease
206
Measure Engine Compression Pressure
206
Check Tightening Torque of Bolts and Nuts
207
Maintenance under Special Environmental Conditions
215
Storage
217
Storing the Machine
217
Removing the Machine from Storage
218
Troubleshooting
219
Engine
219
Electrical System
224
Mode Selection
226
Control Levers
227
Hydraulic System
227
Specifications
231
Working Ranges (Mono Boom)
232
Shoe Types and Applications
233
Bucket Types and Applications
234
Optional Attachments and Devices
235
Blade Lever
235
Precautions for Blade Operation
235
Avoid Hitting Blade with Front-End Attachment
236
Avoid Hitting Blade with Bucket
236
Avoid Striking the Blade into a Rock
236
Specifications (with Blade)
238
Working Ranges (with Blade)
239
Shoe Types and Applications (with Blade)
240
Breaker Operation
241
Precautions for Breaker Operation
242
Breaker Maintenance
245
Hydraulic Crusher
246
Precautions for Crusher Operation
247
Index
249
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Hitachi Zaxis 75US-A Specifications
General
Brand
Hitachi
Model
Zaxis 75US-A
Category
Excavators
Language
English
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