Doosan GE12TIC — Cooling system cleaning
Maintenance
For the Doosan GE12TIC, from the Doosan service manual.
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Procedure
- Drain coolant.
- Remove thermostats.
- Fill with potable water and 1.5% cleaner (Henkel P3T5175).
- Warm up engine under load; run 15 minutes after 60°C.
- Drain cleaning fluid; repeat fill and warm-up.
- Fill with hot water, run at idle 30 minutes, replenish water.
Specs & values
- Cleaner 1.5% by volume
Source: Doosan service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.