Komatsu D61EX-24, Operation & Maintenance Manual, Page: 300 / 435

STARTING MACHINE AFTER LONG-TERM STORAGE
NOTICE
If the machine has been stored without performing the monthly rust-prevention operation, consult your
Komatsu distributor before using it.
When using the machine after long-term storage, perform the following items before using it.
• Wipe off the grease from the hydraulic cylinder rods.
• Add oil and grease at all lubrication points.
• When the machine is stored for a long period, moisture in the air will mix with the oil. Check the oil before
and after starting the engine. If there is water in the oil, change all the oil.
• Insert the battery disconnect switch key and turn it to ON position.
• If the machine is stored for a long period with the battery disconnect switch OFF or the battery terminal dis-
connected, the clock information and radio tuning information may be lost. In this case, set the information
again. For detail, see “CLOCK ADJUSTMENT” and “HANDLE RADIO”.
• When starting the engine, perform the engine warm-up operation thoroughly.
If the machine has been stored for more than 2 months, perform the following procedure.
• Before starting the engine, replace DEF filter and fill up DEF tank according to the procedure in “METHOD
FOR REPLACING DEF FILTER”.
• Start the engine and check correctly.
If SCR system has any abnormality, warning is displayed on the monitor screen and the audible alert
sounds. If SCR system has any abnormality, stop the engine, and then start it again.
If SCR system still has abnormality after the engine is restarted, contact your Komatsu distributor.
• If DEF is kept in DEF tank for more than 1 year, ask your Komatsu distributor for replacement.
Dispose of drained DEF according to the local regulations and rules.
Aged DEF may have smell of ammonia. Replace DEF in a well-ventilated place and take care not to inhale
its vapor.
OPERATION PRECAUTIONS FOR LONG-TERM STORAGE
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