Caterpillar 3516 / EMCP 3 — Electronic Control Module (Generator Set) - Replace

Repair & overhaul · EMCP3 generator set ECM

For the Caterpillar 3516 / EMCP 3, from the Caterpillar service manual.

Applies to: Caterpillar 3516, Caterpillar EMCP 3, Caterpillar 3516B engine

Procedure

1. Note hour meter value, engine setpoints, and programmed spare inputs/outputs from the old ECM.
2. Shut down the engine. Remove the positive lead wire from the battery.
3. Remove the harness connector from the ECM using a 4 mm hex wrench.
4. Remove the six nuts that fasten the ECM to the front panel and remove the ECM.
5. Place the new ECM in the front panel, install the six nuts, and tighten.
6. Reconnect the harness connector and the positive lead wire to the battery.
7. Reprogram setpoints, spare inputs/outputs, hour meter, voltmeter/ammeter programming, and AC offset adjustment.

Full service-parts list: Caterpillar 3516 →, Caterpillar EMCP 3 →

Source: Caterpillar 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.

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