Hitachi Zaxis ZX27U-2 to 50U-2 Excavator Operator Manual EM1M7-2-2

Contents:
EM1M7-2-2
INTRODUCTION
INDEX
CONTENTS
MACHINE NUMBERS
SAFETY
SAFETY SIGNS
COMPONENTS NAME
OPERATOR’S STATION
Pedals, Levers and Monitor Panel
Key Switch
Switch Panel
Monitor Panel
Coolant Temperature Gauge
Fuel Gauge
System Failure Indicator
Engine Oil Pressure Indicator
Overheat Indicator
Fuel Level Indicator
Alternator Indicator
Preheat Indicator
Fast Travel Mode Indicator
Liquid Crystal display (LCD), Display Selection Switch, and Set Switch
How to Operate Trip Meter
Auto-Idle Switch (Except ZX27U-2)
Air Conditioner Operation
Tips for Air Conditioner Usage
Radio (Cab Equipped Machines)
AM/FM Radio Operation
Cab Door Release lever (Cab-equipped machines)
Opening/Closing Cab Front Window (Cab-equipped machines)
Adjusting Operator’s Seat
Tool and Operator’s manual Boxes
Emergency Exit (Cab-equipped machines)
Seat Belt (Optional)
Cab Light (Cab-equipped machines)
BREAK-IN
Breaking in New Machine
OPERATING THE ENGINE
Before Starting Engine
Starting Engine
Starting in Ordinary Temperature
Starting in Cold Weather
Check Machine After Starting Engine
Using Booster Batteries
Stopping the Engine
DRIVING THE MACHINE
Travel Levers and Pedals
Travel Mode Switch
Traveling on Soft Ground
Raise One Track Using Boom and Arm
Towing Machine
Driving In Water or on Soft Ground
Precautions for Traveling on Slopes
Parking and Stopping on Slopes
Parking on Slopes
OPERATING THE MACHINE
Control Lever (ISO Excavator Pattern)
Control Lever (H-Pattern: HITACHI Excavator Pattern)
Control Lever (SAE-Backhoe Pattern) – If Equipped (2 Way Multi Valve)
Boom-Swing Pedal
Auxiliary Pedal (Optional)
Blade Lever
Precautions for Blade Operation
Pilot Control Shut-Off Lever
Warming Up Operation
Warming Up in Cold Weather
Auto-Idle Control (Except ZX27U-2)
Operating Backhoe
Grading Operation
Avoid Driving Bucket Teeth Into Ground
Avoid Abusive Operation
Avoid Striking with Bucket
Avoid Excavation Using Upperstructure and/or Boom Swing Power
Use Correct Track Shoe
Avoid Other than Specified Machine Operations
Boom Cylinder May Hit Blade
Avoid Hitting Blade with Bucket
Avoid Colliding Blade Against Rocks
Avoid Colliding Boom Cylinder with Track
Precautions for Installing Wide Bucket or Special Type Bucket
Using Rubber Crawler
Hydraulic Breaker (Optional)
Crusher Operation (Optional)
Precautions for After Operating the Machine
Auxiliary Flow Rate Control (Optional) (Except ZX27U-2)
Emergency Boom Lowering Procedure
TRANSPORTING
Transporting by Road
Trailer Loading/Unloading
Loading
Securing the Machine to the Trailer for Transportation
Unloading
Lifting Machine with Crane
MAINTENANCE
Procedures
Prepare Machine for Inspection/Maintenance
Opening/Closing Engine Access Covers
Opening/Closing Tank Covers
Daily Inspection
Periodic Replacement of Parts
Maintenance Guide
The Brand Names of Recommended Oils and Lubricants
A. Greasing
Front Joint Pins
Bucket and Link Pins
Blade Pins
Precautions for Front Attachment and Blade Removal
Swing Bearing
Swing Internal Gear
Control Lever Universal Joint
Tilt Mechanism
B. Engine
Engine Oil
Change Engine Oil
Replace Engine Oil Filter
C. Transmission
Travel Reduction Gear
D. Hydraulic System
Inspection and Maintenance of Hydraulic Equipment
Check Hydraulic Oil Level
Drain Hydraulic Oil Tank Sump
Change Hydraulic Oil
Clean Suction Filter
Replace Full Flow Filter Element
Replace Pilot Filter Element
Check Hoses and Lines
E. Fuel System
Check Water Separator
Drain Fuel Tank Sump
Replace Fuel Filter
Check Fuel Hoses
F. Air Cleaner
Clean the Air Cleaner Element
Replace the Air Cleaner Element
G. Cooling System
Check Coolant Level
Check and Adjust Fan Belt Tension
Change Coolant
Clean Radiator Core
H. Electrical System
Batteries
Replacing Fuses
I. Miscellaneous
Check Bucket Teeth for Looseness and/or Wear
Replace Bucket
Adjust Track Sag (Rubber Crawler) and Check for Damage
Replace Rubber Crawler
Check Track Sag (Steel Crawler) (Optional)
Check and Replace Seat Belt
Check Air conditioner (Machine with Cab)
Clean and Replace Air Conditioner Re-circulation Filter
Clean Re-circulation Filter
Clean Cab Floor
Check Injection Nozzle
Check and Adjust Valve Clearance
Check Injection Timing
Measure Engine Compression Pressure
Check Starter and Alternator
Check Radiator Cap
Check Tightening Torque of Bolts and Nuts
Check Tilt Mechanism Fulcrum Bolts for Looseness
Preparation for Inspection and Maintenance
Tilting Floor Down
CONSUMABLE PARTS LIST
MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS
STORAGE
Storing the Machine
Removing the Machine From Storage
TROUBLESHOOTING
SPECIFICATIONS
Specifications
Working Ranges
Shoe Types and Applications
Bucket Types and Applications
REFERENCE
Additional Counterweight
INDEX