Poulan Pro PP4218AVX - Manual (Page 8)

8
Checking the tension:
Use a screwdriver to move chain around
guide bar. If the chain does not rotate, it is too
tight. If the chain is too loose, it will sag below
the bar.
Bar
Knob
Guide
Bar
Adjusting
Wheel
Screwdriver
Adjusting the tension:
Chain tension is very important. Chains stretch
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.
1. Lift lever on bar knob and turn counter-
clockwise 1 turn to loosen bar clamp.
LOOSEN
2. Turn adjusting wheel (downward direc-
tion) to tension chain until chain solidly
contacts bottom of guide bar rail. Lift tip
of guide bar while adjusting tension.
Tighten
chain
Adjusting Wheel
Loosen
chain
3. Using a screwdriver, move chain around
guide bar to ensure all links are in bar
groove.
4. While lifting tip of guide bar, tighten bar
knob securely (clockwise). Hand tight-
en only!
TIGHTEN
Bar
Knob
5. Push lever on bar knob down to return
lever to closed/locked position.
WARNING:
Failure to push lever on
bar knob down to closed/locked position
could result in serious personal injury or
damage to your chain saw.
6. Use a screwdriver to move chain around
guide bar.
7. If chain does not rotate, it is too tight.
Loosen bar knob 1 turn (counterclock-
wise); then, loosen chain by turning the
adjusting wheel 1 /
4
turn (upward direc-
tion). Retighten bar knob.
8. If chain is too loose, it will sag below the
guide bar. DO NOT operate the saw if
the chain is loose.
WARNING:
If the saw is operated
with a loose chain, the chain could jump off
the guide bar and result in serious injury.
WARNING:
Muffler is very hot dur-
ing and after use. Do not touch the muffler or
allow combustible material such as dry
grass or fuel to do so.