Caterpillar 3126B / 3126B Industrial Engine — Changing to Caterpillar ELC
Maintenance · Cooling system
For the Caterpillar 3126B / 3126B Industrial Engine, from the Caterpillar owner's manual.
Applies to: Caterpillar 3126B, Caterpillar 3126B Industrial Engine engine
Before you start
- Do not leave an empty SCA filter on an ELC system.
- Improper or incomplete rinsing of the cooling system can result in damage to copper and other metal components.
Procedure
- Drain the coolant into a suitable container.
- Dispose of the coolant according to local regulations.
- Remove the empty SCA filter and remove the filter base. Plug the coolant lines or bypass the coolant lines.
- Flush the system with clean water in order to remove any debris.
- Use Caterpillar cleaner to clean the system. Follow the instruction on the label.
- Drain the cleaner into a suitable container. Flush the cooling system with clean water.
- Fill the cooling system with clean water and operate the engine until warmed to 49° to 66°C (120° to 150°F).
- Drain the cooling system and flush with clean water.
- Repeat the fill/flush steps until the system is completely clean.
- Fill the cooling system with the Caterpillar premixed ELC.
- Attach the Label (PEEP5027) to the cooling system filler to indicate use of Caterpillar ELC.
Specs & values
- Warm engine to 49° to 66°C (120° to 150°F)
Full service-parts list: Caterpillar 3126B →, Caterpillar 3126B Industrial Engine engine →
Source: Caterpillar owner'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.