Description
Hitachi ZX30,ZX35,ZX40,ZX50 Excavator Operator’s Manual (EM1LS-EN1-1)
Hitachi ZX30,ZX35,ZX40,ZX50 Excavator Index:
MACHINE NUMBERS
SAFETY
Recognize Safety Information S-1
Understand Signal Words S-1
Follow Safety Instructions S-2
Prepare for Emergencies S-2
Wear Protective Clothing S-3
Protect Against Noise S-3
Inspect Machine S-3
Use Handholds and Steps S-4
Adjust the Operator’s Seat S-4
Fasten Your Seat Belt S-5
Move and Operate Machine Safely S-5
Operate Only from Operator’s Seat S-6
Jump Starting S-6
Keep Riders off Machine S-6
Investigate Job Site Beforehand S-7
Protect Against Falling Stones and Debris S-7
Provide Signals for Jobs Involving Multiple
Numbers of Machines S-8
Confirm Direction of Machine to be Driven S-8
Drive Machine Safely S-9
Avoid Injury from Rollaway Accidents S-10
Avoid Injury from Back-Over
and Swing Accidents S-11
Keep Personnel Clear from Working Area S-12
Never Position Bucket Over Anyone S-12
Avoid Undercutting S-12
Avoid Tipping S-13
Never Undercut a High Bank S-13
Dig with Caution S-14
Operate With Caution S-14
Avoid Power Lines S-14
Do Not Use for Cranning Operation S-15
Protect Against Flying Debris S-15
Park Machine Safely S-15
Handle Fluids Safely-Avoid Fires S-16
Safety Transporting S-17
Practice Safe Maintenance S-18
Support Machine Properly S-19
Stay Clear of Moving Parts S-19
Prevent Parts from Flying S-20
Store Attachments Safely S-20
Prevent Burns S-21
Replace Rubber Hoses Periodically S-21
Avoid High-Pressure Fluids S-22
Prevent Fires S-23
Evacuating in Case of Fire S-24
Beware of Exhaust Fumes S-24
Avoid Heating Near Pressurized Fluid Lines S-24
Avoid Applying Heat to Lines Containing
Flammable Fluids S-24
Remove Paint Before Welding or Heating S-25
Prevent Battery Explosions S-25
Service Air Conditioning System Safely S-26
Avoid Harmful Asbestos Dust S-26
Dispose of Waste Properly S-27
SAFETY SIGNS S-28
COMPONENTS NAME 1-1
OPERATOR’S STATION
Pedals and Levers 1-2
Monitor Panel 1-3
Key Switch 1-4
Monitor Panel 1-4
Overheat Indicator 1-5
Hour Meter 1-5
Engine Oil Pressure Indicator 1-5
Alternator Indicator 1-5
Work Light Switch 1-6
BREAK-IN
Breaking in a New Machine 2-1
Correct Break-In Procedures 2-1
OPERATING THE ENGINE
Precheck Before Starting Engine 3-1
Engine Speed Control Lever 3-1
Starting the Engine 3-2
Engine Starting Method in Cold Weather 3-2
Check Instruments After Starting 3-3
Using Booster Batteries 3-4
Stopping the Engine 3-5
Engine Stop Lever 3-5
DRIVING THE MACHINE
Travel Levers 4-1
Traveling 4-2
Operating on Soft Ground 4-3
Raise One Track Using Boom and Arm 4-3
Operating in Water or Mud 4-4
Towing Machine a Short Distance 4-5
Precautions for Traveling on Slopes 4-6
Parking and Stopping on a Slope 4-7
Parking the Machine 4-7
OPERATING THE MACHINE
Control Lever (ISO Pattern) 5-1
Boom-Swing Pedal 5-2
Auxiliary Pedal (Optional) 5-3
Blade Lever 5-4
Side Frame Extend/Retract Lever 5-5
Lock Lever 5-7
Swing Lock Lever 5-8
Warming Up Operation 5-9
Warming Up in Cold Weather 5-9
Cautions When Operating 5-10
Position the Machine Safely 5-11
Backhoe Operation 5-12
Grading Operation 5-13
Take Care Not to Hit the Bucket Teeth 5-13
Avoid Abusive Operation 5-14
Avoid Using the Bucket for Hammer Work 5-14
Avoid Damaging Swing or Boom-Swing
Operations 5-14
Hitting Blade with Front Attachment 5-15
Hitting Blade with Bucket 5-15
Moving Rocks with Blade 5-15
Boom Cylinder May Hit Track 5-16
Track Shoes 5-16
Craning — If Equipped 5-17
On Using the Rubber Crawler 5-18
Hydraulic Breaker Operating Tips
— If Equipped 5-20
Replacement of Hydraulic Oil and
Filter Element 5-22
Operating Hydraulic Crusher — If Equipped 5-23
After Finishing Work 5-25
TRANSPORTING
Transporting the Machine by Flatbed Truck 6-1
Loading the Machine Onto a Flatbed Truck 6-1
Precautions for Transporting Machine
with Rubber Tracks 6-3
Unloading Machine from Truck 6-3
Lifting the Entire Machine with a Crane 6-4
Using Eye Plates on Boom and Blade 6-4
MAINTENANCE
Correct Maintenance
and Inspection Procedures 7-1
Prepare Machine for Maintenance 7-2
Open Hood for Service 7-2
Daily Inspection 7-3
Check List 7-4
Periodic Replacement of Parts 7-5
Maintenance Guide 7-6
A. Greasing 7-10
Swing Post 7-10
Bucket Pin 7-10
Swing Bearing 7-11
Swing Internal Gear 7-12
B. Engine 7-13
Engine Oil Level 7-13
Change Engine Oil 7-14
Replace Engine Oil Filter 7-14
C. Transmission 7-16
Check and Replace Oil in Travel Device 7-16
D. Hydraulic System 7-18
Inspection and Maintenance
of Hydraulic Equipment 7-18
Check Hydraulic Oil Level 7-20
Drain Hydraulic Tank Sump 7-21
Change Hydraulic Oil 7-22
Suction Filter Cleaning 7-22
Replace Return Filter 7-25
E. Fuel System 7-27
Recommended Fuel 7-27
Drain Fuel Filter 7-28
Replace Fuel Filter 7-29
F. Air Cleaner 7-30
Clean Air Cleaner Element 7-30
Replace Air Cleaner Element 7-30
G. Cooling System 7-31
Check Coolant Level 7-32
Check and Adjust Fan Belt Tension 7-33
Change Coolant 7-34
Clean Radiator Core 7-35
H. Electrical System 7-36
Batteries 7-36
Socket 7-38
Replacing Fuses 7-38
I. Miscellaneous 7-39
Check Bucket Teeth 7-39
Replace Bucket 7-40
Check Track Sag 7-41
Replace Rubber Track 7-43
Check Injection Nozzles 7-44
Check and Adjust Valve Clearance 7-44
Check Injection Timing 7-44
Measure Engine Compression
Pressure 7-44
Check Starter and Alternator 7-44
Check Radiator Cap 7-44
Check Tightening Torque of Bolts
and Nuts 7-45
MAINTENANCE UNDER SPECIAL
ENVIRONMENTAL CONDITIONS
Maintenance Under Special
Environmental Conditions 9-1
TROUBLESHOOTING
Engine 11-1
Electrical System 11-2
Control System 11-2
Hydraulic System 11-3
SPECIFICATIONS
Specifications 12-1
Working Ranges 12-2
Bucket Types and Applications 12-3
Special Specification (Option) 12-4