SECTION 5 – MAINTENANCE SCHEDULE AND SERVICE PROCEDURES
Service Procedures (cont.)
COOLANT LEVEL
GOVERNMENT REGULATION: Engine fluids
(oil, fuel, and coolant) may be a hazard to human
health and the environment. Handle all fluids and
other contaminated materials (e.g. filters, rags) in
accordance with applicable regulations. Recycle
or dispose of engine fluids, filters, and other
contaminated materials according to applicable
regulations.
WARNING: To prevent personal injury or death, shift
transmission to park or neutral, set parking brake, and block
wheels before doing diagnostic or service procedures.
Service Interval: Before Engine Operation
Extended Life Coolant (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 fo r fully - For mulated
Glycol Base Engine Coolant for Heavy Duty Engines.
NOTE: Never add ELC to the expansion tank. Only add ELC to
the coolant tank.
WARNING: To prevent personal injury or death, do the
following when removing the radiator cap or coolant tank
cap:
• Allow the engine to coo l for 15 minut es or more.
• Wrap a thick cloth around the radiator cap or coolant tank
cap.
• Loosen cap slowly a quarter to half turn to v ent pressure.
• Pause for a moment until all pres sure has escap ed to avoid
being scalded by steam.
• Continue to turn cap counterclockwise to remove.
1. Check coolant level in the opaque plastic coolant tank.
• Coolant level should be at midpoint of ADD and MAX.
• If coolant level is below the ADD mark, continue with
step 2.
2. Add ELC 50/50 Premix to the correct coolant level (midpoint
of ADD and MAX).
3. Install and tighten coo la nt tank cap until the pla stic cap clicks
or the metal caps runs up against the detent.
Form No. 1172040R1
Printed in the United States of America Page 63
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