Hitachi 120-3 class Operator's Manual page 8

Horn Switch ....................................................................................1-53
Cigar Lighter ...................................................................................1-54
Cab Light .........................................................................................1-55
Installing Fire Extinguisher (Optional) ..................................1-55
Pilot Control Shut-off Lever ......................................................1-56
Engine Stop Switch ......................................................................1-56
Fuse Box ...........................................................................................1-57
Auto Air Conditioner ...................................................................1-58
Cab Heater Operation .................................................................1-62
Cooling Operation .......................................................................1-62
Defroster Operation ....................................................................1-63
Tips for Optimal Air Conditioner Usage ...............................1-64
Cab Heater (Optional) .................................................................1-65
Cab Heater Operation .................................................................1-66
Defroster Operation ....................................................................1-67
AM/FM Radio Operation ............................................................1-68
Digital Clock Setting Procedure ..............................................1-69
Cab Door Release Lever .............................................................1-70
Opening Upper Front Window ................................................1-70
Closing Upper Front Window ...................................................1-71
Removing and Storing Lower Front Window .....................1-72
Opening Side Windows ..............................................................1-72
Opening/Closing Overhead Window ....................................1-73
Emergency Exit .............................................................................1-74
Adjusting the Seat .......................................................................1-75
Seat with a Built-in Heater.........................................................1-76
Adjusting the Air-suspension Seat (Optional) ...................1-77
Seat with a Built-in Heater.........................................................1-78
Adjusting Console Height .........................................................1-79
Seat Belt ...........................................................................................1-80
BREAK-IN
Observe Engine Operation Closely .......................................... 2-1
Every 8 Hours or Daily ................................................................... 2-1
After the First 50 Hours ................................................................ 2-1
After the First 100 Hours .............................................................. 2-1
OPERATING THE ENGINE
Inspect Machine Daily Before Starting ................................... 3-1
Before Starting Engine ................................................................. 3-2
Starting the Engine in Ordinary Temperature ...................... 3-3
Starting in Cold Weather.............................................................. 3-5
Check Instruments After Starting ............................................. 3-7
Using Booster Batteries ................................................................ 3-8
Stopping the Engine ...................................................................3-10
DRIVING THE MACHINE
Drive the Machine Carefully ....................................................... 4-1
Steering the Machine Using Pedals ......................................... 4-2
Steering the Machine Using Levers ......................................... 4-3
Travel Mode Switch ....................................................................... 4-4
Travel Alarm (Optional) ................................................................ 4-4
Operating on Soft Ground .......................................................... 4-5
Raise One Track Using Boom and Arm ................................... 4-5
Towing Machine a Short Distance ............................................ 4-6
CONTENTS
Operating in Water or Mud ......................................................... 4-7
Parking the Machine on Slopes ................................................. 4-8
Parking the Machine ..................................................................... 4-8
OPERATING THE MACHINE
Control Lever (Iso Pattern) .......................................................... 5-1
Attachment Pedal (Hydraulic Breaker) (Optional) .............. 5-2
Attachment Pedal (Hydraulic Crusher) (Optional) .............. 5-3
Pilot Control Shut-off Lever ........................................................ 5-4
Engine Speed Control ................................................................... 5-6
Auto-idle ............................................................................................ 5-7
Work Mode ....................................................................................... 5-8
Work Mode Select .......................................................................... 5-9
Power Boost ...................................................................................5-10
Power Mode ..................................................................................5-11
Operating Backhoe ......................................................................5-12
Grading Operation .......................................................................5-12
Face Shovel Operation................................................................5-13
Avoid Abusive Operation ..........................................................5-13
Operating Tips ...............................................................................5-14
Select Correct Track Shoes ........................................................5-14
Hydraulic Breaker and Hydraulic Crusher ............................5-15
Pipings for Breaker and Crusher ..............................................5-16
Secondary Relief Pressure Adjustment ................................5-18
Precautions for Breaker Operation .........................................5-20
Breaker Maintenance ..................................................................5-23
Precautions for Crusher Operation ........................................5-24
Attachment .....................................................................................5-26
Attachment Connection Parts .................................................5-30
Precaution for Arm Roll-in/Bucket Roll-in
Combined Operation --- If Headguard-Integrated
Cab or Rainguard is Equipped ..........................................5-31
When Installing an Attachment Longer
Than Standard Bucket ..........................................................5-31
Shackle Hole Usage .....................................................................5-32
Overnight Storage Instructions ...............................................5-32
Emergency Boom Lowering Procedure
(Without hose-rupture safety valve) ..............................5-33
Object Handling --- If Equipped ..............................................5-35
TRANSPORTING
Transporting By Road ................................................................... 6-1
Loading/unloading on a Trailer ................................................. 6-1
Machine Lifting Procedure .......................................................... 6-5
MAINTENANCE
Correct Maintenance and Inspection Procedures .............. 7-1
Check the Hour Meter Regularly ............................................... 7-2
Use Correct Fuels and Lubricants ............................................. 7-2
Layout ................................................................................................. 7-3
Maintenance Guide Table ............................................................ 7-4
Prepare Machine for Maintenance ........................................... 7-6
Hood and Access Covers (ZX120-3, 180-3 Class) ................ 7-7
Hood and Access Covers (ZX200-3, 270-3, 330-3 Class) ... 7-8
Periodic Replacement of Parts ................................................... 7-9