hitachi — 00-introduction

CONTENTS Packing Dimensions and Weights for Transportation-1 (Backhoe) ..................................................................................6-26 Packing Dimensions and Weights for Transportation-2 (Backhoe) ..................................................................................6-30 Clean Oil Cooler Front Screen ...........................................7-62 H.

Air Conditioner ........................................................................7-63 Clean and Replace Air Conditioner Filter Clean Filter ....................................................................7-64 Check Refrigerant (Gas) Quantity ....................................7-66 Check Compressor Belt Tension .......................................7-66 Clean Condenser Core .........................................................7-67 Check Looseness at Each of Fastened Areas ................7-67 Check in-season and Off-season ......................................7-68 I.

Electrical System ........................................................................7-69 Batteries ....................................................................................7-70 Replace Batteries ...................................................................7-73 Replacing Fuses ......................................................................7-74 Fuse Box ....................................................................................7-74 Additional Fuse Box ..............................................................7-74 J.

Miscellaneous ............................................................................7-76 Check Bucket Teeth ...............................................................7-77 Change Bucket .......................................................................7-80 Adjust the Bucket Linkage (Backhoe) ............................7-81 Remove the Travel Levers ...................................................7-82 Check and Replace Seat Beltcheck .................................7-82 Check Windshield Washer Fluid Level ............................7-82 Check Track Sag .....................................................................7-83 Clean Cab Floor --- As Necessary .....................................7-85 Check Tightening Torque of Bolts and Nuts ................7-86 Check O-rings in Bucket Joints .........................................7-99 Retighten Cylinder Head Bolt ........................................

7-100 Inspect and Adjust Valve Clearance ............................. 7-100 Check Fuel Injection Timing ........................................... 7-100 Measure Engine Compression Pressure ..................... 7-100 Check Starter and Alternator ......................................... 7-100 Check Water Pump ............................................................. 7-100 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 Pump Transmission ...............................................................7-25 Swing Reduction Gear .........................................................7-27 Travel Reduction Gear ..........................................................7-28 D.

Hydraulic System ....................................................................7-30 Inspection and Maintenance of Hydraulic Equipment ................................................................................7-31 Check Hydraulic Oil Level ...................................................7-33 Drain Hydraulic Oil Tank Sump .........................................7-34 Change Hydraulic Oil ...........................................................7-35 Suction Filter Cleaning .......................................................7-35 Replace Hydraulic Oil Tank Filter ......................................7-38 Replace Pump Drain Filter ..................................................7-39 Replace Pilot Oil Filter ..........................................................7-40 Replace Air Breather Element ...........................................7-41 Check Hoses and Lines ........................................................7-42 Service Recommendations for Hydraulic Fittings ............7-45 E.

Fuel System ...............................................................................7-47 Drain Fuel Tank Sump ..........................................................7-49 Check Water Separator ........................................................7-49 Replace Fuel Main Filter Element .....................................7-52 Replace Fuel Pre-filter Element ........................................7-53 Clean Feed Pump Strainer .................................................7-54 Check Fuel Hoses ...................................................................7-55 F.

Air Cleaner ...................................................................................7-56 Clean the Air Cleaner Outer Element .............................7-56 Replace the Air Cleaner Outer and Inner Elements ...7-56 G.

Cooling System ........................................................................7-58 Check Coolant Level .............................................................7-60 Change Coolant .....................................................................7-61 Clean Radiator/ Oil Cooler/ Inter Cooler/ Fuel Cooler Core .....................................................................7-62 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 SPECIFICATIONS Specifications (Backhoe) ZAXIS650LC -3 ...............................12-1