MAINTENANCE PROCEDURES
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3. Loosen and remove the upper cap (2) of the radiator.
4. Open the radiator drain valve (3), remove the drain plug (4)
on the engine block and let the fluid flow out, gathering it in a
container with suitable capacity. Drain the coolant tank (5)
while the fluid flows out.
5. Close the drain valve (3), put back the plug (4) on the engine
block and fill the radiator with new fluid (see "4.4 FUEL,
COOLANT AND LUBRICANTS").
6. Start the engine and let it run at high idling speed for a few
minutes; check the level again and top up before putting back
the upper cap (2).
7. Fill the tank (5) until reaching the maximum level.
8. Put back the upper panel and close the covers.
4.9.7.c CHECKING THE ALTERNATOR AND THE STARTER
The brush may be worn or the bearing may be without grease. Contact your Komatsu Dealer for the necessary in-
spection or repair. If the engine is started frequently, carry out this check every 1000 hours.
MAX
MIN
RKA23110
RKA23100
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