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Navistar INTERNATIONAL DT 466 Service Manual

Navistar INTERNATIONAL DT 466
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292 OIL SYSTEM MODULE ASSEMBLY AND SECONDARY FILTRATION
Internal
Figure 425 Checking cooler heat exchanger for
internal leakage
1. Test plate set
2. Air pressure regulator
3. Coolant port (open)
4. Oil port
WARNING: To prevent personal injury or
death, wear safety glasses with side shields.
Limit compressed air pressure to 207 kPa (30 psi).
1. Connect an air pressure regulator between the
test plate oil port and the shop air supply.
2. Open coolant valve and allow water to ll coolant
side of cooler heat exchanger.
3. Immerse cooler heat exchanger and test plate
combination into a suitably sized container of
clean tap water (large shop sink).
4. Apply approximately 172-276 kPa (25-40 psi) of
air pressure to the test plate while the assembly
is immersed in water.
5. Observe coolant port valve for air bubbles.
Bubbles at this point indicate a leak path between
the oil and coolant uid passages. Replace the
cooler heat exchanger.
EGES-265-2
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.

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Navistar INTERNATIONAL DT 466 Specifications

General IconGeneral
BrandNavistar
ModelINTERNATIONAL DT 466
CategoryEngine
LanguageEnglish

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