Precautions For Long-Term Storage; Preparation For Long-Term Storage; Maintenance During Long-Term Storage - Komatsu D61EX-24 Operation & Maintenance Manual

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PRECAUTIONS FOR LONG-TERM STORAGE

PRECAUTIONS FOR LONG-TERM STORAGE

PREPARATION FOR LONG-TERM STORAGE

When putting the machine in long-term storage (more than one month), store it as follows.
Clean and wash all parts of the machine and store it indoors. If the machine has to be stored outdoors,
place it on a level ground and cover it with tarpaulins.
Fill up the fuel tank. This prevents dew condensation.
Grease the machine and change the oil before storage.
Fill up DEF tank (Except cold weather condition). Urea deposits caused by internal drying can be prevent-
ed. Urea deposits may cause failures in component operation.
When storing the machine in a place where the temperature is lower than –11 °C (12.2 °F), however, add
DEF to the specified amount for cold weather (below the level of when DEF may freeze).
Apply thin film of grease to metal surface of the hydraulic piston rods and the idler adjusting rods.
As for the battery, turn the starting switch to OFF position, check that the system operating lamp goes out,
turn the battery disconnect switch key to OFF position, and pull it out and keep it with covered condition.
Place all control levers in NEUTRAL position, place the work equipment lock lever and parking brake lever
in LOCK position, and set the fuel control dial to Low idle (MIN) position.
To prevent rust, fill the cooling circuit with Non-Amine Engine Coolant (AF-NAC) to give a density of at least
30 % for the engine coolant.

MAINTENANCE DURING LONG-TERM STORAGE

If it is necessary to perform the rust-prevention operation while the machine is indoors, open the doors
and windows to improve ventilation and prevent gas poisoning.
During storage, operate and move the machine for a short distance once a month so that a new film of oil
will coat moving parts. At the same time, charge the battery as well.
When operating the work equipment, wipe off all the grease from the hydraulic cylinder rods.
If the machine is equipped with an air conditioner, operate the air conditioner for 3 to 5 minutes once a
month to lubricate all parts of the air conditioner compressor. Always run the engine at low idle when doing
this. In addition, check the refrigerant level twice a year.
3-248
k
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WARNING
OPERATION

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