Long Storage - Komatsu 4D98 Series Shop Manual

3. Inspection and Adjustement
3.12
(1)
Long Storage
Observe the following instructions when the engine is to be stored for a long period without
operation:
Always drain cooling water in a cold
season or before a long storage. (This
is unnecessary when antifreeze is
used.)
(2)
(3)
(4)
(5)
(6)
(7)
(3)
Water draining procedure
@ Remove the radiator cap.
@ Loosen the water draining cock under the radiator to drain water from the inside.
@ Loosen the drain cock on the side surface of the cylinder to drain water from the inside.
@ After draining water, tighten the radiator cap and drain plug and cocks.
Remove the mud, dust and oil deposit and clean the outside.
Perform the nearest periodic inspection before the storage.
Drain or fill the fuel oil fully to prevent condensation in the fuel tank.
Disconnect the battery cable from the battery negative (-) terminal.
Cover the silencer, air cleaner and electric parts with PVC cover to prevent water and dust
from depositing or entrance.
Select a well-ventilated location without moisture and dust for storage.
Perform recharging once a month during storage to compensate for self-discharge.
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