Chain Tension - Poulan Pro 220 Instruction Manual

6. Place thechain o ver and behind the
clutch, fitting the drive links inthe clutch
drum sprocket.
P_aee chain onto t he sprocket
7. Fit b ottom o fdrive l inks b etween the
teeth i nthe sprocket inthe nose ofthe
guide bar.
8. Fit c hain drive links i ntobar groove.
9. Pull the bar f orward until the chain i s
snug inthe groove ofthe b ar. E nsure all
drive links a re inthe bar g roove.
10. Hotd guide bar a gainst the saw frame
and install the chain brake.
11. Replace the chain brake nuts and t ighten
finger tight. Once the chain is tensioned
you will need to tighten chain brake nuts.
CHAIN TENSION (Including units w ith
chain already installed)
NOTE: When a djusting chain t ension,
make sure t he chah_ brake nuts a re finger
tight only. Attempting totension the chain
when t he chain b rake nuts a re tight can
cause damage.
Checking thetension:
Use t he s crewdriver end o f t he chain adjust-
ment tool (bar tool) tomove the c hain around
the bar. Ifthe c hain does not rotate, itistoo
tight. If t oo loose, the chain will sag below the
bar.
Chain Brake Nuts Tool (Bar Tool)
Adjusting the tension:
Chah_ tension is very h_qportant. Chain
stretches during use. This is especially true
during the first few times you use your saw.
Always check chain tension each time you
use and refuel your saw.
An adjusting screw (located on the guide bar)
is used to adjust the tension of the chain (see
illustration).
• Turn adjusting screw clockwise until chain
solidly contacts bottom of guide bar rail.
• Using the screwdriver end of the bar tool,
rolt chain around guide bar to ensure all
links are in bar groove,
• Liftuptipofguidebartocheckforsag. Re-
lease tip of guide bar, then turn adjusting
screw until sag does not exist.
• Tighten bar clamp nuts securely with the
bar tool.
_/_ Cht_n Brake _IL _. _
• Use the screwdriver end of the bar tool to
move chain around guide bar.
• If chain does not rotate, it is too tight.
Slightly loosen bar clamp nuts and loosen
chain by turning the adjusting screw. Re-
tighten bar clamp nuts.
• If chain is too loose, it will sag below the
guide bar. DO NOT operate the saw if the
chain is loose.
_IJWARNING: If the saw is operated
with a loose chain, the chain could jump off
the guide bar and result in serious injury.