User Manual

SERIES 50 OPERATOR'S GUIDE
Coolant
Interval
1
Action
A. 20,000 Miles (32,000 km)
or 3 Mo nths*
B. 500 Hours or 3 Months*
Test nitrite concentration
with test strip. Add
SCA or di lute coolant as
needed.
Antifreeze / Water +
SCA I nhibitor
(DDC Power C ool )
A. 300,000 Miles
(480,000 km)
B. 2 Years or 4,000 Hours*
Drain and clean system.
Replace with new
coolant.
A. 20,000 Miles (32,000 km)
or 3 Mo nths*
B. 500 Hours or 3 Months*
Test nitrite concentration
with test strip. Add
SCA or di lute coolant as
needed.
Ethylene Glycol
/Water+SCA
Inhibitor
or
Propylene Glycol
/Water+SCA
Inhibitor
A. 300,000 Miles
(480,000 km)
B. 2 Years or 4,000 Hours*
Drain and clean system.
Replace with new
coolant.
A. 300,000 Miles
(480,000 km) or 2 Years*
B. 5,000 Hours
Add Power Cool Plus
Extender
Ethylene Glycol /
Water + OAT Inhibitor
or
Propylene Glycol /
Water + OAT Inhibitor
A. 600,000 Miles
(960,000 km)
B.4 Years or 10,000 Hours*
Drain and clean system.
Replace with new
coolant.
A. 20,000 Miles (32,000 km)
or 3 Mo nths*
B. 500 Hours or 3 Months*
Test nitrite concentration
with test strip. Add
SCA or di lute coolant as
needed.
Water Only + SCA
Inhibitor
A. 300,000 Miles
(480,000 km)
B. 2 Years or 4,000 Hours
Drain and clean system.
Replace with new
coolant.
A. 300,000 Miles
(480,000 km) or 2 Years*
B. 5,000 Hours
Add Power Cool Plus
Extender
Water Only + OAT
Coolant
A. 600,000 Miles
(960,000 km)
B. 4 Years or 10,000 Hours
Clean and drain.
Replace with new
coolant.
1
Maintenance interval based on application. Drain interval dependent
on proper maintenance.
A. On-Highway Trucks and Motor Coaches, City Transit Coache s ,
Pick-Up and Delivery, Short Tri p and Emergency Vehicles
B. Industrial, Generator Set and Other Applications
Table 26 Coolant Maintenance Intervals
All information subject to change without notice. (Rev. 01/04) 107
DDC-SVC-MAN-0058 Copyright © 2004 DE TROIT DIESEL CORPORATION