Perkins — Coolant (ELC) - Change
Maintenance · Cooling system
From a Perkins operator's manual covering: 1106C-70TA, 1106D-70TA, SEBU8731. Check it applies to your exact model before use.
Applies to: Perkins 1106C-70TA, Perkins 1106D-70TA
Before you start
- Pressurized System: Hot coolant can cause serious burns
- Do not fill the cooling system faster than 5 L (1.3 US gal) per minute to avoid air locks
Procedure
- Drain: stop engine, allow to cool, loosen filler cap slowly, remove cap; open drain cock or remove drain plug (1) on engine and radiator; allow coolant to drain.
- Flush: flush system with clean water; close drain cock/install drain plug.
- Fill with clean water, install filler cap; run engine at low idle until 49 to 66 °C (120 to 150 °F).
- Stop, cool, remove cap, drain water, flush with clean water.
- Fill: close drain cock/install drain plug; fill with ELC; do not install filler cap.
- Start and run at low idle; increase to high idle for 1 minute to purge air; decrease to low idle; stop engine.
- Check coolant level; maintain within 13 mm (0.5 inch) below bottom of filler pipe.
- Clean and inspect the filler cap gasket; pressure test or replace if damaged.
- Start the engine; inspect cooling system for leaks and correct operating temperature.
Tools required
- Suitable pressurizing pump for filler cap test Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Do not fill faster than 5 L (1.3 US gal) per minute
- Warm engine to 49 to 66 °C (120 to 150 °F)
- Maintain coolant level within 13 mm (0.5 inch) below filler pipe
Full service-parts list: Perkins 1106C-70TA →, Perkins 1106D-70TA →
Source: Perkins operator's 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.