Chain Tension - Poulan Pro PP4218AVHD Manual De Instrucciones

Cutters Depth Gauge
Drive Links
7. Place chain over and b ehind clutch re-
tainer, fitting the drive links inthe clutch
drum s procket.
8. Fit b ottom o fdrive t inks b etween the
teeth i nthe sprocket inthe nose ofthe
guide bar.
9. Fit c hain drive links i nto b ar g roove.
10. P ull guide bar forward until chain issnug
inguide bar g roove. Ensure all d rive
tinks are inthe bar groove.
11. N ow, install clutch cover making sure
the adjusting pin ispositioned inthe low-
er hote inthe guide bar. Remember this
pin moves the bar f orward and back-
ward a s the screw i sturned.
Guide
Bar
Chain Adjustment
Bar Nuts Adjusting T ool
Screw(Bar Tool)
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. Loosen bar nuts until theyarefingertight
against the clutch cover.
2. Turn adjusting screw clockwise until chain
solidly contacts bottom of guide bar rail.
Adjusting
Screw
Cover
Adjusting Pin
Hole
Guide Bar
12. Install bar nuts and finger tighten only.
Once the chain is tensioned, you will
need to tighten bar nuts.
CHAIN TENSION
(including units with chain a_ready h_stalled)
WARNING:
Wear protective gloves
when handling chain. The chain is sharp and
can cut you even when it is not moving.
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 chain around
guide bar. If the chain does not rotate, it is too
tight. Ifthe chain is too loose, it will sag below
the bar.
3. Using bar tool. roll chain around guide bar
to ensure a]] links are in bar groove.
4. Lift up tip of guide bar to check for sag.
Release tip of guide bar. then turn ad-
justing screw 1/4 turn clockwise. Repeat
until sag does not exist.
Adjusting Screw - 1/4 Turn
5. While lifting tip of guide bar, tighten bar
nuts securety with the bar tool.
6. Use the screwdriver end of the bar tool
to move chain around guide bar.
7. If chain does not rotate, it is too tight.
SiightIy loosen bar nuts and loosen
chain by turning the adjusting screw 1/4
turn counterclockwise. Retighten bar
nuts.
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.