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move around the guide bar. If it does not, take
the chain saw to an Authorized Service Dealer
for repair.
Adjusting the Chain
Tension
Service Interval: Before each use or daily
After each battery drain cycle
Ensure that the chain is properly tensioned. A loose
chain will shorten the life of the drive sprocket and the
guide bar and may break the chain. An overtightened
chain will overheat the guide bar and chain, causing
rapid wear and possible motor burnout. Also, check
the chain tension after a few cuts. A new chain usually
stretches and requires adjustment after its first use.
The chain tension is correct when you are able to use
a gloved hand to pull the chain smoothly around the
guide bar. The chain should remain in contact with
the bottom edge of the guide bar.
DANGER
Contact with the chain saw teeth can cause
serious personal injury.
• Remove the battery pack before adjusting
or maintaining the chain saw.
• Always wear gloves when adjusting or
maintaining the chain saw.
1.
Place the chain saw on a level surface and
remove the battery pack; refer to
Battery Pack (page
2.
Unfold the wing-nut tab and loosen, but do not
remove the wing nut on the cover
3.
Hold up the tip of the guide bar
4.
Adjust the chain.
•
To tighten the chain, turn the chain
tensioning knob clockwise.
•
To loosen the chain, turn the chain
tensioning knob counterclockwise
Removing the
15).
(Figure
(Figure
Figure 29
Adjust the chain until the chain touches the
bottom edge of the guide bar, then tighten the
knob an additional 1/8 to 1/4 turn.
5.
Tighten the wing nut until it is snug and fold the
wing-nut tab
6.
Check the chain tension; if the chain is loose,
repeat this procedure.
Servicing the Guide Bar,
Chain, and Drive Sprocket
Service Interval: Yearly or before storage
DANGER
Contact with the chain saw teeth can cause
serious personal injury.
• Remove the battery pack before adjusting
or maintaining the chain saw.
• Always wear gloves when adjusting or
maintaining the chain saw.
1.
Place the chain saw on a flat surface and
remove the battery pack; refer to
Battery Pack (page
2.
Unfold the wing-nut tab and remove the wing nut
that secures the cover
28).
29).
1. Chain tensioning knob
2. Cover
3.
Loosen the chain by turning the chain-tightening
screw counterclockwise
g192117
4.
Separate the chain from the guide bar and set
them aside.
5.
Remove the clip, spacer, and drive sprocket
from the chain saw
18
(Figure
30).
Removing the
15).
(Figure
30).
Figure 30
3. Wing nut
4. Wing-nut tab
(Figure
30).
(Figure
31).
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