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What is a low kickback saw chain?
A low kickback saw chain is a chain which has met the kickback
performance requirements of ISO 9518. By keeping and saw chain
in good working condition and correctly serviced as recommended
in this manual, you will be able to maintain the safety system of your
chainsaw over the life of the product.
WARNING! Never remove, modify or make inoperative any
safety device furnished with your unit. The chain brakes/
hand guard and low-kickback sawchain are major safety
features provided for your protection.
WARNING! Always wear heavy-duty protection work gloves,
and disconnect the battery pack when working on the
saw chain.
Chain maintenance
Chain tension:
Check the chain tension frequently and adjust as often as necessary
to keep the chain snug on the bar, but loose enough to be pulled
around by hand. (See section Saw Chain Tension Adjustment).
Breaking in a new saw chain:
A new chain and bar will need readjusting after as few as 5 cuts. This
is normal during the break-in period, and the interval between future
adjustments will begin to lengthen quickly.
Over a period of time, however, the moving parts of the saw chain
will become worn, resulting in what is called CHAIN STRETCH. This is
normal. When it is no longer possible to obtain correct chain tension
adjustment, a link will have to be removed to shorten the chain.
WARNING! Never have more than 3 links removed from a
loop of chains, as this could could cause damage to
the sprocket.
Chain lubrication:
Always make sure the oiler system is working properly. Keep the oil
tank filled with chain, bar and sprocket oil.
Adequate lubrication of the bar and chain during cutting operations
is essential to minimise friction with the guide bar.
Never starve the bar and chain of lubricating oil. Running the saw
dry or with too little oil will decrease rapid cutting efficiency, shorten
saw chain life, cause rapid dulling of the chain, and lead to excessive
wear of the bar from overheating. Too little oil is evidenced by smoke
or bar discoloration.
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