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OPERATION
PRECAUTIONS FOR LONG-TERM STORAGE
PREPARATION FOR LONG-TERM STORAGE
NOTICE
•
When storing the machine (for 1 or more months), po-
sition it as shown in the figure to protect the cylinder
rods from the formation of rust.
•
The ambient temperature range during the downtime
periods should be between -20 and +45° C.
When putting the machine in storage for a long time (more than 1 month), do as follows.
•
Clean and wash all parts of the machine and store it indoors. If the machine has to be stored outdoors,
select a level ground and cover the machine with waterproof sheet.
•
Fill up the fuel tank. This will prevent the accumulation of moisture.
•
Lubricate the machine and change the oil before storage.
•
Cover the exposed part of the hydraulic cylinder stems with grease.
•
Turn the starting switch to OFF position and turn the battery disconnect switch key to OFF position, and
remove it. When storing the battery, cover it.
For the operation of the battery disconnect switch, see "BATTERY DISCONNECT SWITCH (3-130)".
•
Lock all the control levers and pedals with the locking lever and cover.
•
If the machine is ready for installation of attachment, set the selector valve to the "General attachments
such as crusher" 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.
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.
PRECAUTIONS FOR LONG-TERM STORAGE
k
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WARNING
WENAM00130
3-241
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