Paccar PX-9 Operator's Manual - page 84
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Operator's Manual
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118
MAINTENANCE SPECIFICATIONS
Recommended Extended Life
Coolant Suppliers
Brand Name
Supplier
TRP®
Authorized
PACCAR engine
dealer.
CAUTION
DO NOT use a floating ball hy-
drometer. The use of floating ball
hydrometers can give an incorrect
reading. Using a floating ball hy-
drometer for testing the freezing
point of the coolant is an inaccurate
test and will cause a false read-
ing of the coolant freezing point.
Use a refractometer to obtain an
accurate test of the coolant freez-
ing point. Failure to comply may
result in equipment damage.
Cooling System Sealing Additives
5-30
Y53-1185-1B1
(12/2014)
5