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should b eno"sag" between theguide b arand the chain o nthe
underside
asshown i nfigure H.
• Toadjust saw chain t ension, loosen bar a djust locking knob (7)
one full t urn and follow instructions
for"Installing
theGuide B ar
and Saw Chain."
• Donot o ver-tension
thechain a sthis will l ead toexcessive
wear
and will r educe thelifeofthebar a nd chain.
• Once c hain t ension i scorrect, securely tighten b aradjust
locking knob.
• When t he chain i snew, check thetension frequently
(after
removing battery) during t he first 2 hours o fuse asa new chain
stretches
slightly.
REPLACING
THE SAW CHAIN
z_CAUTION:
Sharp chain. Always wear protective gloves
when handling the chain. The chain is sharp and can cut you
when it is not running.
z_WARNING:
Sharp moving chain. To prevent accidental
operation, ensure that battery is removed from the tool before
performingthe following operations. Failure to do this could result in
serious personal injury.
• Rotate the bar adjust locking knob (7) counterclockwise to
release chain tension.
• Remove sprocket cover (6) as described in "Installing the Guide
Bar and Saw Chain" section.
• Lift the worn saw chain (5) out of the groove in the guide bar (4).
• Place the new chain in the slot of the guide bar, making sure the
saw teeth are facing the correct direction by matching the arrow
on the chain with the graphic on the sprocket cover (6) shown in
figure 1.
• Follow instructions for "Installing the Guide Bar and Saw
Chain."
• Replacement chain and bar are available from most Craftsman@ outlets. Use Craftsman@ replacement
chain, service part number 90609786 and replacement 12" bar, service part number 90609781.
AUTO OiLiNG
SYSTEM
This chain saw is equipped with an auto oiling system that keeps the saw chain and guide bar constantly
lubricated. The oil level indicator (16) shows the level of the oil in the chain saw. If the oil level is less than
a quarter full, remove the battery from the chain saw and refill with the correct type of oil.
NOTE: Use a high quality bar and chain oil for proper chain and bar lubrication. As a temporary
substitute, a non-detergent SAE30 weight motor oil can be used. The use of a vegetable based bar
and chain oil is recommended when pruning trees. Mineral oil is not recommended because it may
harm trees. Never use waste oil or very thick oil. These may damage your chain saw.
FILLING
THE OiL RESERVOIR
• Remove the oil cap (13) and fill the reservoir with the recommended chain oil until the oil level has
reached the top of the oil level indicator (14).
• Refit the oil cap.
• Periodically switch the chain saw off and check the oil level indicator to ensure the bar and chain
are being properly oiled.
TRANSPORTING
SAW
• Alwaysremovethe batteryfrom the tool and cover the guide bar
(4) with the scabbard(9) (figure J) when transportingthe saw.
OPERATING THE CHAIN SAW
12
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