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ZAXIS470H
(Backhoe) ..............................................................6-24
-3
ZAXIS450LC
(Backhoe) ............................................................6-28
-3
ZAXIS470LCH
(Backhoe) .........................................................6-32
-3
ZAXIS500LCH
(Backhoe) .........................................................6-36
-3
ZAXIS520LCH
(Backhoe) .........................................................6-40
-3
Retracting or Extending the Side Frame ..............................6-44
Retracting the Side Frame .........................................................6-45
Extending the Side Frame .........................................................6-46
MAINTENANCE
Correct Maintenance and Inspection Procedures .............. 7-1
Check the Hour Meter Regularly ............................................... 7-2
Use Correct Fuels and Lubricants ............................................. 7-2
Prepare Machine for Maintenance ........................................... 7-3
Hood and Access Covers .............................................................. 7-4
Periodic Replacement Of Parts .................................................. 7-5
Maintenance Guide ....................................................................... 7-6
A. Greasing ....................................................................................... 7-9
Automatic Lubrication --- If Equipped ...........................7-10
Front Joint Pins (Backhoe) ..................................................7-12
Swing Bearing .........................................................................7-14
Electric Grease Gun --- If Equipped .................................7-15
Swing Internal Gear ..............................................................7-19
B. Engine Oil ...................................................................................7-20
Engine Oil Level ......................................................................7-21
Change Engine Oil ...............................................................7-22
Replace Engine Oil Filter .....................................................7-22
C. Transmission Oil .......................................................................7-24
Swing Reduction Gear .........................................................7-25
Travel Reduction Gear ..........................................................7-26
D. Hydraulic System ....................................................................7-28
Inspection and Maintenance of Hydraulic
Equipment ................................................................................7-29
Check Hydraulic Oil Level ...................................................7-31
Drain Hydraulic Oil Tank Sump .........................................7-32
Change Hydraulic Oil ...........................................................7-33
Suction Filter Cleaning .......................................................7-33
Replace Hydraulic Oil Tank Filter ......................................7-36
Replace Pump Drain Filter ..................................................7-37
Replace Pilot Oil Filter ..........................................................7-38
Replace Air Breather Element ...........................................7-39
Check Hoses and Lines ........................................................7-40
Service Recommendations for Hydraulic Fittings ............7-43
E. Fuel System ...............................................................................7-45
Drain Fuel Tank Sump ..........................................................7-46
Check Water Separator ........................................................7-47
Replace Fuel Main Filter Element .....................................7-50
Replace Fuel Pre-filter Element ........................................7-51
Clean Feed Pump Strainer .................................................7-52
Check Fuel Hoses ...................................................................7-53
F. Air Cleaner ...................................................................................7-54
Clean the Air Cleaner Outer Element .............................7-54
Replace the Air Cleaner Outer and Inner Elements ...7-54
G. Cooling System ........................................................................7-56
Check Coolant Level .............................................................7-58
CONTENTS
Change Coolant .....................................................................7-59
Clean Radiator/ Oil Cooler/ Inter Cooler/
Fuel Cooler Core .....................................................................7-60
Clean Oil Cooler Front Screen ...........................................7-60
H. Air Conditioner ........................................................................7-61
Clean and Replace Air Conditioner
Filter Clean Filter ....................................................................7-62
Check Refrigerant (Gas) Quantity ....................................7-64
Check Compressor Belt Tension .......................................7-64
Clean Condenser Core .........................................................7-65
Check Looseness at Each of Fastened Areas ................7-65
Check in-season and Off-season ......................................7-66
I. Electrical System ........................................................................7-67
Batteries ....................................................................................7-68
Replace Batteries ...................................................................7-71
Replacing Fuses ......................................................................7-72
Fuse Box ....................................................................................7-72
Additional Fuse Box ..............................................................7-72
J. Miscellaneous ............................................................................7-74
Check Bucket Teeth ...............................................................7-75
Change Bucket .......................................................................7-78
Adjust the Bucket Linkage (Backhoe) ............................7-79
Remove the Travel Levers ...................................................7-80
Check and Replace Seat Beltcheck .................................7-80
Check Windshield Washer Fluid Level ............................7-80
Check Track Sag .....................................................................7-81
Clean Cab Floor --- As Necessary .....................................7-83
Check Tightening Torque of Bolts and Nuts ................7-84
Check O-rings in Bucket Joints .........................................7-97
Retighten Cylinder Head Bolt ...........................................7-98
Inspect and Adjust Valve Clearance ................................7-98
Check Fuel Injection Timing ..............................................7-98
Measure Engine Compression Pressure ........................7-98
Check Starter and Alternator ............................................7-98
Check Water Pump ................................................................7-98
HYDRAULIC CIRCUIT AND ELECTRICAL CIRCUIT
Hydraulic System ............................................................................ 8-1
Main Circuit ...................................................................................... 8-2
Electrical Circuit .............................................................................. 8-4
Electrical Diagram .......................................................................... 8-5
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
Engine ...............................................................................................11-1
Electrical System ...........................................................................11-5
Control Levers ................................................................................11-9
Hydraulic System ..........................................................................11-9
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