Tightening The Saw Chain - Makita DCS410 Instruction Manual

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‑ Turn the chain tightener (C/6) to the right (clockwise)
until the chain engages the guide groove of the bottom
side of the bar (see circle). Press the guide bar against the
housing with your left hand.
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‑ Replace the sprocket guard (I/4), making sure that the pin
on the stop lever fits into the space on the hand guard (cir‑
cled).
‑ Manually tighten the retaining nut (I/3).
NOTE:
The arrow (I/14) on the sprocket guard shows the direction of
chain travel.
Checking the chain tension
‑ The tension of the chain is correct if the chain rests against
the bottom side of the guide bar and can still be easily turned
by hand.
‑ While doing so the chain brake must be released.
‑ Check the chain tension frequently ‑ new chains tend to get
longer during use!
‑ When checking the chain tension the engine must be switched
off.
NOTE:
It is recommended to use ‑3 chains alternatively.
In order to guarantee uniform wear of the guide bar the bar
should be turned over whenever replacing the chain.
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NOTE:
If the chain brake on the dismounted sprocket guard is actuated
by accident, it must be released again prior to reassembly:
‑ Hold the sprocket guard (H/4) as shown (note direction of
arrow) firmly with both hands and press the stop lever (H/13)
against a hard surface (such as a board) until you hear it
catch.
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Tightening the saw chain

‑ Slightly lift the end of the guide bar and turn the chain
adjusting screw (C/6) to the right (clockwise) until the
chain rests against the bottom side of the guide bar.
‑ While still holding up the guide bar, tighten the retaining
nut (J/3) with the universal wrench.
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