Stop your chain from running dry with this professional troubleshooting guide for the MSA 220.
Sawdust and resin buildup block oil flow, so clear the bar groove using a thin wire tool.
The oil outlet port is a common choke point for debris; clear it gently to restore lubrication.
A clogged tank vent creates a vacuum that prevents oil from reaching the bar and chain.
Safety first: never perform maintenance or clear blockages without completely disconnecting the battery pack from the unit.
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