Poulan S1838 Chainsaw User Manual


 
7
Cutters
Depth Gaug
e
Drive Links
Place chain onto the s
p
rocket
7. Place c hain o ver and behind clutch, fitting
the dr iv e links in the clutch dr um sp rocke t.
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 guide bar forward until chain is snug
in guide bar groove. Ensure all drive
links are in the bar groove.
NOTE: CHAIN BRAKE MUST BE
DISENGAGED BEFORE INSTALLA-
TION ON THESA W. TO DISENGAGE
CHAIN BRAKE, PULL THE FRONT
HAND GUARD BACK TOWARD THE
REAR OF THE CHAIN BRAKE AS
FARAS POSSIBLE (SEE ILLUSTRA-
TION).
DISENGAGED
ENGAGED
Chain Brake
Front Hand Guard
11. Now, install chain brake making sure the
adjusting pin is positioned in the lower
hole in the guide bar. Remember t his pin
moves the bar forward and backward as
the screw i s turned.
12. Install chain brake nuts and finger tighten
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 damage.
Checking the tension:
Use the screwdriver end of the chain adjust-
ment tool (bar tool) to move the chain around
the bar. If the chain does not rotate, it is t oo
tight. If too loose, the chain will sag below the
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 y our saw.
Always check chain tension each time you
use and ref uel your saw.
You can adjust the chain tension by loosen-
ing the chain brake nuts and turning the ad-
justing screw 1/4 of a turn while lifting up on
the bar.
S
If chain is too tight, turn adjusting 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.