Detroit Diesel MBE 4000 Service Manual page 555

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Coolant
Antifreeze/Water + SCA
Inhibitor (DDC Power Cool)
Ethylene Glycol/Water +
SCA Inhibitor
Ethylene Glycol/Water +
NOAT Inhibitor
Water Only + SCA Inhibitor
Water Only + NOAT Inhibitor
A = On-highway trucks and motor coaches, city transit coaches, pickup and delivery, short trip, and emergency vehicles.
B = Industrial, generator set, and other applications
Table 13-9
13.1.7
Use Detroit Diesel PowerTrac 3–way Coolant Test Strips to measure nitrite and glycol
concentrations. Cavitation/corrosion protection is indicated on the strip by the level of nitrite
concentration. Freeze/boil-over protection is determined by glycol concentration.
Check the inhibitor level as follows:
All information subject to change without notice.
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION
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Maintenance Interval
A. 20,000 miles (32,000 km)
or 3 months
B. 500 hours or 3 months
A. 30,000 miles (480,000 km)
B. 2 years or 4,000 hours
A. 20,000 miles (32,000 km)
or 3 months
B. 500 hours or 3 months
A. 300,000 miles (480,000 km)
B. 2 years or 4,000 hours
A. 300,000 miles (480,000 km)
or 2 years
B. 5,000 hours
A.600,000 miles (960,000 km)
B. 4 years or 10,000 hours
A. 20,000 miles (32,000 km)
or 3 months
B. 500 hours or 3 months
A. 3000,000 miles (480,000 km)
B. 2 years or 4,000 hours
A. 3000,000 miles (480,000 km)
or 2 years
B. 5,000 hours
A. 6000,000 miles (960,000 km)
B. 4 years or 10,000 hours
Nitrite Interval Checks
Inhibitor Level Checking
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MBE 4000 SERVICE MANUAL
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Action
Test nitrite concentration with test
strip. Add SCA or dilute coolant as
needed.
Drain and clean system. Replace
with new coolant.
Drain and clean system. Replace
with new coolant.
Drain and clean system. Replace
with new coolant.
Add Power Cool Plus Extender
Drain and clean system. Replace
with new coolant.
Drain and clean system. Replace
with new coolant.
Drain and clean system. Replace
with new coolant.
Add Power Cool Plus Extender
Drain and clean system. Replace
with new coolant.
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13-21