Makita EA3600F35B Original Instruction Manual page 13

Chain catcher
Chain catcher is designed to catch the chain in case the saw chain jumps from the
guide bar. The saw chain should not jump if it is properly tensioned. Always check
and adjust the tension of the saw chain in accordance with this instruction manual.
Checking chain catcher
Check the chain catcher is not damaged and securely sits on the housing.
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