EGO CS1400E Operating Manual page 22

Chain Tensioning Knob
Permits precise adjustment of chain tension.
Chain Tensioning Screw
Permits precise adjustment of the chain tension with a manual slotted screwdriver.
Side Cover
Covers the chain sprocket and secures the guide bar
Side Cover Knob
Locks/unlocks the side cover
Battery-Release Button
Press to release the battery pack from the tool.
Latch
Locks the battery pack in place when it is installed on the tool.
Ejection Mechanism
Aids in removing the battery.
Mounting Slot
Guides the battery pack.
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56V LITHIUM-ION CORDLESS CHAIN SAW