Engine Cooling System

H115825-UN-04SEP15

Tier 2/Stage II and Tier 3/Stage IIIA (Style A)

H115826-UN-04SEP15

Tier 2/Stage II and Tier 3/Stage IIIA (Style B)
and Final Tier 4/Stage IV

A - Drain

B - Surge Tank

If a coolant other than Cool-Gard™ II or Cool-Gard™ II PG is used, reduce the drain interval to 2 years or 2000 hours of operation.

Open drain (A) to remove coolant from the radiator.

Flush and refill surge tank (B) with correct coolant and conditioner. See Maintenance—As Required (Engine Fluids and Filters) section for further information. See Fuels and Lubricants section for coolant recommendations.

Check engine coolant level in the surge tank with engine cold. Level must be up to the "Max Cold" line.