Hitachi 120-3 class Operator's Manual page 9

Maintenance Guide .....................................................................7-10
A. Greasing ......................................................................................7-16
Front Joint Pins .......................................................................7-16
Swing Bearing .........................................................................7-18
Swing Internal Gear ..............................................................7-19
B. Engine ..........................................................................................7-20
Engine Oil Level ......................................................................7-20
Change Engine Oil ................................................................7-21
Replace Engine Oil Filter .....................................................7-21
C. Transmission ..............................................................................7-23
Pump Transmission ...............................................................7-23
Swing Reduction Gear .........................................................7-24
Travel Reduction Gear ..........................................................7-25
D. Hydraulic System .....................................................................7-27
Inspection and Maintenance of Hydraulic
Equipment...........................................................................7-27
Breaker Maintenance ...........................................................7-29
Check Hydraulic Oil Level ...................................................7-30
Change Hydraulic Oil ...........................................................7-31
Suction Filter Cleaning ........................................................7-31
Replace Hydraulic Tank Oil Filter ......................................7-34
Replace Pilot Oil Filter ..........................................................7-35
Replace Air Breather Element ...........................................7-36
Check Hoses and Lines ........................................................7-37
Service Recommendations for Hydraulic Fittings .....7-40
E. Fuel System ................................................................................7-42
Drain Fuel Tank Sump .........................................................7-44
Drain Fuel Filter ......................................................................7-45
Replace Fuel Main Filter Element .....................................7-49
Replace Fuel Pre-Filter Element ........................................7-50
Clean Fuel Solenoid Pump Strainer ................................7-51
Check Fuel Hoses ...................................................................7-52
F. Air Cleaner ...................................................................................7-53
Clean Air Cleaner Outer Element .....................................7-53
Replace Air Cleaner Outer and Inner Elements ..........7-53
G. Cooling System ........................................................................7-55
Check Coolant Level .............................................................7-57
Check and Adjust Fan Belt Tension
(ZX120-3, 180-3 Class) .....................................................7-58
Check and Adjust Fan Belt Tension
(ZX200-3, ZX270-3, ZX330-3 Class) .............................7-59
Change Coolant .....................................................................7-60
Clean Radiator Interior.........................................................7-60
Clean Radiator, Oil Cooler Core
and Inter Cooler Outside ................................................7-61
Clean Oil Cooler, Radiator and Inter
Cooler Front Screen .........................................................7-61
Clean Air Conditioner Condenser ....................................7-61
Clean Fuel Oil Cooler ...........................................................7-61
Clean Air Conditioner Front Screen (Opt.) ....................7-61
H. Electrical System ......................................................................7-62
Replace Batteries ...................................................................7-65
Remove and Installing Battery .........................................7-66
Replacing Fuses ......................................................................7-66
I. Miscellaneous ............................................................................7-68
Check Bucket Teeth ...............................................................7-68
CONTENTS
Change Bucket .......................................................................7-72
Convert Bucket Connection Into Face Shovel .............7-73
Adjust Bucket Linkage .........................................................7-74
Remove Travel Levers ...........................................................7-75
Check and Replace Seat Belt Check ................................7-75
Check Windshield Washer Fluid Level ............................7-76
Check Track Sag ......................................................................7-77
Clean and Replace Air Conditioner Filter ......................7-79
Check Air Conditioner ..........................................................7-81
Clean Cab Floor ......................................................................7-82
Retighten Cylinder Head Bolt............................................7-83
Inspect and Adjust Valve Clearance ................................7-83
Measure Engine Compression Pressure ........................7-83
Check Starter and Alternator.............................................7-83
Check and Replace EGR Device ........................................7-83
Check Tightening Torque of Bolts and Nuts ................7-84
HYDRAULIC CIRCUIT AND ELECTRICAL CIRCUIT
Hydraulic Circuit ............................................................................. 8-1
Electrical Circuit .............................................................................. 8-2
Electrical Diagram .......................................................................... 8-3
MAINTENANCE UNDER SPECIAL
ENVIRONMENTAL CONDITIONS
Maintenance Under Special Environmental
Conditions .................................................................................. 9-1
STORAGE
Storing the Machine ....................................................................10-1
Removing the Machine from Storage ...................................10-2
TROUBLESHOOTING
Impossible to Start the Engine ................................................11-1
Engine ...............................................................................................11-2
Electrical System ...........................................................................11-6
Mode Selection .............................................................................11-8
Control Levers ................................................................................11-9
Hydraulic System ..........................................................................11-9
SPECIFICATIONS
Specifications (ZX110-3, 110M-3) ...........................................12-1
Working Ranges (ZX110-3, 110M-3) ......................................12-2
Shoe Types and Applications
(ZX110-3) ..................................................................................12-3
(ZX110M-3) ..............................................................................12-4
Bucket Types and Applications (ZX110-3, 110M-3) ..........12-5
Specifications (ZX130-3, 130LCN-3) .......................................12-6
Working Ranges (ZX130-3, 130LCN-3) ..................................12-7
Shoe Types and Applications (ZX130-3)...............................12-8
Shoe Types and Applications (ZX130LCN-3) ......................12-9
Bucket Types and Applications
(ZX130-3, 130LCN-3) ...........................................................12-10
Specifications (ZX160LC-3) .....................................................12-11
Working Ranges (ZX160LC-3) ................................................12-12
Shoe Types and Applications (ZX160LC-3) ........................12-14