Hitachi ZAXIS 450LC-3 Operator's Manual page 11

Installing Boom ............................................................................... 6-9
Connecting Hoses Between Boom Cylinder and
Machine ....................................................................................6-10
Installing Boom Cylinder Rod ..................................................6-11
Installing Arm ................................................................................6-12
Connecting Arm Cylinder Rod .................................................6-13
Connecting Bucket Cylinder Hoses........................................6-14
Installing Bucket ...........................................................................6-15
Installing and Adjusting Mirror ...............................................6-16
Machine Lifting Procedure (ZX650LC
Installing Counterweight ...........................................................6-18
Installing Boom Cylinder ...........................................................6-19
Installing Boom .............................................................................6-21
Connecting Hoses Between Boom Cylinder and
Machine ....................................................................................6-22
Installing Boom Cylinder Rod ..................................................6-23
Installing Arm ................................................................................6-24
Connecting Arm Cylinder Rod .................................................6-25
Connecting Bucket Cylinder Hoses........................................6-26
Installing Bucket ...........................................................................6-27
Installing and Adjusting Mirror ...............................................6-28
Machine Lifting Procedure (ZX850LC
Installing Counterweight ...........................................................6-30
Installing Boom Cylinder ...........................................................6-31
Installing Boom .............................................................................6-33
Connecting Hoses Between Boom Cylinder and
Machine ....................................................................................6-34
Installing Boom Cylinder Rod ..................................................6-35
Installing Arm ................................................................................6-36
Connecting Arm Cylinder Rod .................................................6-37
Connecting Bucket Cylinder Hoses........................................6-38
Installing Bucket ...........................................................................6-39
Installing and Adjusting Mirror ...............................................6-40
Final Inspection .............................................................................6-41
Transporting by Road .................................................................6-42
Transporting the Machine by Trailer .....................................6-42
Loading/Unloading on a Trailer ..............................................6-42
Retracting or Extending the Side Frame ..............................6-46
Retracting the Side Frame .........................................................6-47
Extending the Side Frame .........................................................6-49
ZX450LC (BACKHOE) ................................................................6-52
-3
ZX650LC (BACKHOE) ................................................................6-60
-3
ZX850LC (BACKHOE) ................................................................6-69
-3
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
Prepare Machine for Maintenance ........................................... 7-6
Hood and Access Covers .............................................................. 7-7
Periodic Replacement of Parts .................................................7-10
Maintenance Guide .....................................................................7-11
A. Greasing .....................................................................................7-17
Automatic Lubrication --- If Equipped ...........................7-17
CONTENTS
) ...............................6-17
-3
) ...............................6-29
-3
Automatic/manual Lubrication--- If Equipped ...........7-19
Electric Grease Gun ...............................................................7-23
Electric Grease Gun --- If Equipped .................................7-31
Lubricator --- If Equipped ...................................................7-33
Front Joint Pins (Backhoe) ..................................................7-37
Swing Bearing .........................................................................7-39
Swing Internal Gear ..............................................................7-40
B. Engine ..........................................................................................7-41
Engine Oil Level ......................................................................7-41
Change Engine Oil ...............................................................7-42
Replace Engine Oil Filter .....................................................7-42
C. Transmission ..............................................................................7-44
Pump Transmission ...............................................................7-44
Swing Reduction Gear .........................................................7-45
Travel Reduction Gear ..........................................................7-47
D. Hydraulic System ....................................................................7-49
Inspection and Maintenance of Hydraulic
Equipment ................................................................................7-49
Check Hydraulic Oil Level ...................................................7-51
Drain Hydraulic Oil Tank Sump .........................................7-52
Change Hydraulic Oil ...........................................................7-53
Suction Filter Cleaning .......................................................7-53
Replace Hydraulic Oil Tank Filter ......................................7-56
Replace Pump Drain Filter ..................................................7-57
Replace Pilot Oil Filter ..........................................................7-58
Replace Air Breather Element ...........................................7-59
Check Hoses and Lines ........................................................7-60
Service Recommendations for Hydraulic Fittings .....7-63
E. Fuel System ...............................................................................7-65
Drain Fuel Tank Sump ..........................................................7-66
Drain Fuel Filter ......................................................................7-67
Replace Fuel Main Filter Element .....................................7-70
Replace Fuel Pre-filter Element ........................................7-72
Check Fuel Hoses ...................................................................7-74
F. Air Cleaner ...................................................................................7-75
Clean the Air Cleaner Outer Element .............................7-75
Replace the Air Cleaner Outer and Inner Elements ...7-75
G. Cooling System ........................................................................7-78
Check Coolant Level .............................................................7-80
Change Coolant .....................................................................7-81
Clean Radiator/ Oil Cooler/ Inter Cooler/
Fuel Cooler Core .....................................................................7-83
Clean Oil Cooler Front Screen ...........................................7-84
H. Air Conditioner ........................................................................7-85
Clean and Replace Air Conditioner Filter .....................7-85
Check Refrigerant (Gas) Quantity ....................................7-87
Check Compressor Belt Tension .......................................7-88
Clean Condenser Core .........................................................7-88
Check Looseness at Each of Fastened Areas ................7-89
Check In-season and Off-season ......................................7-90
I. Electrical System ........................................................................7-91
Batteries ....................................................................................7-92
Replacing Fuses ......................................................................7-96
J. Miscellaneous ............................................................................7-98
Check Bucket Teeth ...............................................................7-98
Change Bucket .....................................................................7-101