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OPERATION
LONG-TERM STORAGE
LONG-TERM STORAGE
BEFORE STORAGE
When keeping in long-term storage (more than one month), store as follows.
Clean and wash all parts, then store the machine indoors. If the machine has to be stored outdoors, select level
ground and cover the machine with a sheet.
Completely fill the fuel tank. This prevents moisture from collecting.
Lubricate and change the oil before storage.
Coat the exposed portion of the hydraulic cylinder piston rod with grease.
Disconnect the negative terminals of the battery and cover it or remove it from the machine and store it separately.
Lock each control lever with the safety lock lever.
To prevent corrosion, be sure to fill the cooling system with Supercoolant (AF-NAC) or permanent type antifreeze
(density between 30% and 68%).
DURING STORAGE
WARNING
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, also charge the battery.
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.
AFTER STORAGE
NOTICE
If the machine has been stored without carrying out the monthly rust-prevention operation, consult your Komatsu distributor
before using it.
When using the machine after long-term storage, do as follows 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.
Check that there is no rust on the engine pulley and no abnormality in the belt.
If there is excessive rust on the belt contact surface of the pulley, remove it with a wire brush.
If the belt is loose, adjust the belt tension to ensure that there is no slipping.
(For details of the procedure for adjusting the belt tension, see CHECK ALTERNATOR BELT TENSION,
ADJUST (PAGE 4-43).)
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