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5.12 Every 2000 Hours
Complete the following maintenance tasks every 2000 hours of operation.
• Change engine coolant. Refer to
5.12.1 Changing Engine Coolant, page 298
• Change hydraulic oil. Refer to
5.12.2 Draining Hydraulic Oil, page 300
• Change DEF tank vent hose
fi
lter. Refer to
5.12.4 Replacing the Diesel Exhaust Fluid (DEF) Vent Hose Filter ,
.
• General engine inspection. Refer to
5.12.5 General Engine Inspection, page 304
.
5.12.1 Changing Engine Coolant
Change the engine coolant after every 2000 hours of operation or two years, whichever occurs
fi
rst.
Draining Coolant
DANGER
To avoid bodily injury or death from unexpected startup of the machine, always stop the engine and remove
the key from the ignition before leaving the operator’s seat for any reason.
CAUTION
To avoid personal injury from hot coolant, do NOT turn pressurized coolant tank cap until engine cools.
1. Shut down the engine and remove the key. Let the
engine cool.
2. Open the hood. Refer to
3. Turn the pressurized coolant tank cap (A) to the
fi
rst notch to relieve pressure before removing
cap completely.
4. Remove the pressurized coolant tank cap.
Figure 5.99: Coolant Recovery Tank
214053
298
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Summary of Contents for M1240
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