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SECTION 3 - LUBRICATION AND MAINTENANCE
3-63
EVERY 2000 HOURS OR 2 YEARS
To drain the radiator, open the petcock, 1, at the
bottom center of the radiator. This will drain
whatever coolant is contained in the radiator.
Figure 3-101
1
To remove the coolant in the engine block,
disconnect the lower radiator hose, 1, from the
base of the radiator. This will drain whatever
coolant is in the water jacket of the engine.
Drain all the coolant into a suitable container and
follow all local laws and regulations for disposal.
Turn off the coolant filter shutoff valve so the filter
is isolated from the cooling system during
cleaning and flushing operations.
IMPORTANT: Failure to isolate the cooling
system filter by closing the shutoff v alve will
contaminate the cooling system filter, and the
filter will have to be replaced whether its change
interval has been reached or not.
Flush the system with a commercial coolant
system cleaner. Follow the instructions supplied
with the cleaner.
Cummins Engine Co. recommends the use of a
heavy-duty cooling system cleaner which
removes corrosion products, silicate gelatin and
other deposits. Your Buhler Versatile dealer has
system cleaner, part number FGCC2610DS,
available for cleaning the cooling system.
After the cooling system is cleaned, retighten the
petcock and reinstall the lower radiator hose.
Open the cooling system filter shutoff valve.
Figure 3-102
1