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SECTION 5 – MAINTENANCE SCHEDULE AND SERVICE PROCEDURES
Figure 42 Coolant drain plug for oil system module
7. Remove coolant drain plug from bottom of oil system
module.
8. After coolant has drained, install the coolant drain plug and
tighten to 28 N·m (18 lb·ft).
NOTE: ELC 50/50 Premix is the standard factory fill for the
cooling system. ELC 50/50 Premix is used to replenish
coolant loss and ensure that glycol/water concentrations
stay in balance. If a customer wishes to use a conventional
(non-OAT ELC) coolant, it should minimally meet ASTM
D6210, Standard Specification for fully Formulated Glycol
Base Engine Coolant for Heavy Duty Engines.
9. Slowly fill cooling system with new ELC 50/50 Premix or
Concentrate and water mixture until coolant is at the mid
point between the ADD and FULL levels of the coolant tank.
10. Install and tighten the coolant tank cap until the plastic cap
clicks or the metal cap runs up against the detent.
CAUTION
To prevent engine damage, disconnect electrical
connector at the EGR valve before running engine
to purge air from cooling system. Failure to do so
could cause failure of EGR cooler.
11. Disconnect electrical connector at the EGR valve.
12. Start the engine.
13. Allow the engine to operate at a fast idle until the engine
reaches normal operating temperature.
14. As the engine warms up, make sure coolant is flowing
through coolant line – the coolant line will feel warm to the
touch.
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