CONTENTS Retracting the Side Frame .........................................................6-21 Extending the Side Frame .........................................................6-22 Type of Packings for Transportaion .......................................6-25 Packing Dimensions and Weights for Transportation-1 (Backhoe) ...............................................6-26 Packing Dimensions and Weights for Transportation-2 (Backhoe) ...............................................6-29 Change Coolant .....................................................................7-60 Clean Radiator/ Oil Cooler/ Inter Cooler/ Fuel Cooler Core .....................................................................7-61 Clean Oil Cooler Front Screen ...........................................7-61 H.
Air Conditioner ........................................................................7-62 Clean and Replace Air Conditioner Filter .....................7-63 Check Refrigerant (Gas) Quantity ....................................7-65 Check Compressor Belt Tension .......................................7-65 Clean Condenser Core .........................................................7-66 Check Looseness at Each of Fastened Areas ................7-66 Check in-season and Off-season ......................................7-67 I.
Electrical System ........................................................................7-68 Batteries ....................................................................................7-69 Replace Batteries ...................................................................7-73 Replacing Fuses ......................................................................7-73 Fuse Box ....................................................................................7-73 Additional Fuse Box ..............................................................7-73 J.
Miscellaneous ............................................................................7-75 Check Bucket Teeth ...............................................................7-76 Change Bucket .......................................................................7-82 Adjust the Bucket Linkage (Backhoe) ............................7-83 Remove the Travel Levers ...................................................7-84 Check and Replace Seat Belt .............................................7-84 Check Windshield Washer Fluid Level ............................7-84 Check Track Sag .....................................................................7-85 Clean Cab Floor .....................................................................7-87 Check Tightening Torque of Bolts and Nuts ................7-88 Check O-rings in Bucket Joints ......................................
7-102 Retighten Cylinder Head Bolt ........................................ 7-103 Inspect and Adjust Valve Clearance ............................. 7-103 Check Fuel Injection Timing ........................................... 7-103 Measure Engine Compression Pressure ..................... 7-103 Check Starter and Alternator ......................................... 7-103 Check Water Pump ............................................................. 7-103 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 .........................................................7-26 Travel Reduction Gear ..........................................................7-27 D.
Hydraulic System ....................................................................7-29 Inspection and Maintenance of Hydraulic Equipment ................................................................................7-30 Check Hydraulic Oil Level ...................................................7-32 Drain Hydraulic Oil Tank Sump .........................................7-33 Change Hydraulic Oil ..................................................................7-34 Suction Filter Cleaning .......................................................7-34 Replace Hydraulic Oil Tank Filter ......................................7-37 Replace Pump Drain Filter ..................................................7-38 Replace Pilot Oil Filter ..........................................................7-39 Replace Air Breather Element ...........................................7-40 Check Hoses and Lines ........................................................7-41 Service Recommendations for Hydraulic Fittings ............7-44 E.
Fuel System ...............................................................................7-46 Drain Fuel Tank Sump ..........................................................7-48 Check Water Separator ........................................................7-48 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 ........................................................................7-57 Check Coolant Level .............................................................7-59 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