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Wartsila’s User Group Forums 50 SG Engine Sparkplug spring-connector failures Reply To: Sparkplug spring-connector failures


Dave –

UMERC has also experienced quite a few broken ignition coil springs.  UMERC has an open warranty claim with Wartsila for this issue.  Wartsila did provide a failure report with multiple potential causes for breaking springs, and they are currently working to identify the cause.

As far as boot grease – UMERC received a thumbs up from Wartsila TS to use di-electric grease on the spark plug boot; however recently Wartsila rescinded that recommendation and told us not to use di-electric grease on the boot, because the grease collects dust/debris that can cause arcing.