SECTION 3 - LUBRICATION AND MAINTENANCE
3-13
EVERY 10 HOURS OR DAILY
Antifreeze must be used in any climate for both
freeze and boiling point protection. Cummins
Engine Company, Inc. recommends a 50%
concentration level, 40% - 60% range of
ethylene glycol or propylene glycol in most
climates. Antifreeze at 68% concentration
provides the maximum freeze protection and
must never be exceeded under any condition.
Antifreeze protection decreases above 68%.
Ethylene Glycol
Propylene Glycol
40%
-23
°
C (-10
°
F)
-21
°
C (-6
°
F)
50%
-37
°
C (-34
°
F)
-33
°
C (-27
°
F)
60%
-54
°
C (-65
°
F)
-40
°
C (-56
°
F)
68%
-71
°
C (-90
°
F)
-63
°
C (-82
°
F)
NOTE:
Propylene
glycol
antifreeze
protection levels CANNOT be checked using
the same hydrometer as would be used with
ethylene glycol antifreeze.
You must check the concentration level
using a refractometer. This tool is available
from your Buhler Versatile dealer under part
#FGCC2805DS. Both propylene and ethylene
glycol protection levels (of a mixture of both)
can be measured with the refractometer.
Once the protection level of the coolant is
decided (ratio of water to antifreeze), the mixture
must contain one unit of Cummins DCA4 (dry
chemical additive) per gallon of coolant. A DCA
unit is equal to 42.5 g (1.5 dry ounces) or120 ml
(4 liquid ounces). Your Buhler Versatile dealer
can assist you in obtaining the DCA4 additive.
IMPORTANT: Failure to maintain DCA4 in the
cooling system will cause cooling system
corrosion and engine failure.
IMPORTANT: The concentration of DCA4
should be checked with a test kit, available from
Cummins and Fleetguard through your Buhler
Versatile dealer.
IMPORTANT: Do not add cold coolant to a hot
engine. Engine castings can be damaged. Allow
the engine to cool to below 50
°
C (120
°
F).
Содержание Versatile 2290
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