Poulan SM4018 Chainsaw User Manual


 
7
Cutters
Depth Gauge
Drive Links
Placechainontothes
p
rocket
7. Place chain over and behind clutch, fitting
the drive li nks in the clutch drum sprocket.
8. Fit bottom of drive links between the
teeth in the sprocket in the nose of the
guide bar.
9. Fit chain drive links into bar groove.
10. Pull guidebar forward until chain is snug
in guide bar groove. Ensure all drive
links are in the bar groove.
11. Now, install chain brake m aking sure the
adjusting pin is positioned in the lower
hole inthe guidebar. Remember this pin
moves the bar forward and backward as
the screw is turned.
12. Installchainbrake nutsand fingertighten
only. Once the chain is tensioned, you
will need to tighten chain brake nuts.
CHAIN TENSION (Including units
with chain already installed)
NOTE:
When adjusting chain tension,
make sure the chain brake nuts are finger
tight only. Attempting to tension the chain
when the chain brake nuts are tight can
cause dam age.
Checking the tension:
Use the screwdriver end of the chain adjust-
ment tool(bar t o ol)to movethe chainaround
the bar. If the chain does not rotate, it is too
tight.Iftoo loose, thechainwillsag belowthe
bar.
Chain Brake Nuts
Chain Adjustment
Tool (Bar Tool)
Adjusting the tension:
Chain tension is very important. 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.
You can adjust the chain tension by loosen-
ing the chain brake n uts and turning the ad-
justing screw 1/4 of a turn while lifting up on
the bar.
S Ifchain istoo tight, turnadjusting screw1/4
turn counterclockwise.
S If chain is too loose, turn adjusting screw
1/4 turn clockwise.
Adjusting
Screw
Chain Brake Nuts
Guide Bar
Adjusting Screw -- 1/4 Turn
S Lift up the tip of the bar and securely tight-
en the chain brake nuts with the bar tool.
S Recheck chain tension.
Chain Brake
Nuts
WARNING: If the saw is operated
with a loose chain, the chain could jump o ff
the guide bar and result in serious injury.