Tables
6
MAINTENANCE ................................................................................................................................ 91
Safety rules for maintenance ............................................................................................................................91
Personnel requirements ....................................................................................................................................91
General maintenance chart: 50 to 500 hours of operation ...............................................................................92
General maintenance chart: 550 to 1000 hours of operation ...........................................................................93
Servicing maintenance chart: 50 to 500 hours of operation .............................................................................94
Servicing maintenance chart: 550 to 1000 hours of operation .........................................................................95
Cleaning the excavator .....................................................................................................................................96
Maintenance .....................................................................................................................................................96
Refilling the coolant .....................................................................................................................................96
Cleaning the radiator ...................................................................................................................................97
Checking and adjusting the V-belt tension ..................................................................................................97
Checking the coolant hoses ........................................................................................................................98
Replacing the engine oil and oil filter ...........................................................................................................98
Draining the engine oil ............................................................................................................................98
Replacing the oil filter .............................................................................................................................99
Filling the engine oil ................................................................................................................................99
Replacing the coolant ................................................................................................................................100
Checking and cleaning the air filter ...........................................................................................................101
Replacing the fuel filter ..............................................................................................................................102
Draining water from the fuel tank ...............................................................................................................103
Replacing the return filter in the hydraulic oil tank .....................................................................................103
Replacing the suction filter in the hydraulic oil tank ...................................................................................104
Draining and topping up hydraulic oil ........................................................................................................105
Draining the hydraulic oil ......................................................................................................................105
Filling the hydraulic oil ..........................................................................................................................106
Replacing the breather filter in the hydraulic oil tank .................................................................................106
Battery service ...........................................................................................................................................107
Checking the fluid level of the battery ..................................................................................................107
Charging the battery .............................................................................................................................108
Installing/uninstalling and replacing the battery....................................................................................109
Lubrication .................................................................................................................................................109
Greasing the swivel gear ......................................................................................................................109
Greasing the pitch bearing ...................................................................................................................110
Checking and tensioning the crawler tension ............................................................................................110
Checking the crawler tension ...............................................................................................................111
Adjusting the crawler tension................................................................................................................111
Replace the drive unit oil ...........................................................................................................................112
Greasing the pilot valve linkage .................................................................................................................112
Checking the electric cables and connections ..........................................................................................112
Replacing the in-line filter ..........................................................................................................................113
Resetting the service period indicator .......................................................................................................113
Checking the bolted joints ...............................................................................................................................114
Tightening torque for screws .....................................................................................................................114
Tightening torque for hose clamps ............................................................................................................114
Tightening torque for hydraulic hoses .......................................................................................................114
Tightening torque for hydraulic pipes ........................................................................................................115
Tightening torque for hydraulic adapters ...................................................................................................115
Recommended lubricants ...............................................................................................................................116
Repair work on the machine ...........................................................................................................................117
SAFETY INSPECTION .................................................................................................................... 118
