User Manual

SERIES 50 OPERATOR'S GUIDE
OAT — Organic Acid Techno log y.
An inhibitor system based on
organic acid inhibitors, instead of
traditional North American inhibitor
formulations.
SCA — Supplemental Coolant
Additive. SCAs are used in a
preventive maintenanc e program to
prevent corrosion, cavitation, and the
formation of deposits.
Approved Coolants
The appro ved and preferred
coolants for Series 50 engines
are listed in Table 21. Once installed,
these coolants should be maintained
according to the procedures discussed
under Maintenance in this section.
NOTICE:
Required specifications for water,
ethylene glycol, propylene glycol,
inhibitor packages and inhibitor
concentration are included in
this section. To avoid possible
engine damage from inadequate
or overconcentrated coolant,
this information should be read
thoroughly before the coolant is
replaced.
Coolant Fill Option
Product
Ethylene Glycol & Water + Corrosion
Inhibitors
1
DDC Power Cool
Commercial Equivalent of DDC Power
Cool
Fully Formulated TMC RP-329 Type A
Antifreeze & Water
Propylene Glycol & Water + Corrosion
Inhibitors
1
DDC Power Cool Plus
Ethylene Glycol & Water + OAT
Inhibitors
DDC Power Cool Plus
Water Only + Corrosion Inhibitors
2
Water + DDC Power Cool 3000
Water Only + OAT Inhibitor s
2
Water + DDC Power Cool Plus 6000
1
Preferred Coolant
2
Wa ter-only coolant systems offer no freeze protection and should not
be used w here ambient temperatures can fall to 32 °F (0 °C).
Table 21 Initial Fill Coolant Options
All information subject to change without notice. (Rev. 01/04) 97
DDC-SVC-MAN-0058 Copyright © 2004 DE TROIT DIESEL CORPORATION