CARBURETOR ADJUSTMENTS
Steel
Backplate
WARNING:
The chain will be mov-
ing during mostof this procedure. Wear your
protective equipment and observe all safety
precautions.Thechainmustnotmoveatidle
speed.
Muffler
Muffler
Bolts
The carburetor has been carefully set at the
factory. Adjustments may be necessary if
you notice any of the following conditions:
Aluminum
Backplate Muffler
Gasket
S Chain moves at idle. See IDLE SPEED--T
adjusting procedure.
Bolt Cover
Locknut
Saw will not idle. See IDLE SPEED--T ad-
justing procedure.
S
Idle Speed--T
1.
Loosen and remove the 3 cylinder cover
screws. Remove the cylinder cover.
Pull off the spark plug boot.
Loosen and remove the locknut from the
bolt cover. Remove the bolt cover.
Loosen and remove the 2 muffler bolts.
Remove the muffler, muffler gasket and
Allow engine to idle. If the chain moves, idle
istoofast. Iftheenginestalls,idleis tooslow.
Adjust speed until engine runs without chain
movement (idle too fast) or stalling (idle too
slow).
2.
3.
4.
S Turn idle speed screw (T) clockwise to in-
crease engine speed.
backplates.
Notice the orientation of
S Turn idle speed screw (T) counterclock-
wise to decrease engine speed.
these parts for reassembling.
5.
Locate the 2 outlet cover screws on the
Loosen and remove both
If you require further assistance or are unsure
about performing this procedure, contact your
call
muffler.
screws. Remove the outlet cover and
spark arresting screen.
authorized
service
dealer
or
1--800--554--6723.
BACK VIEW OF MUFFLER
Outlet Cover
BAR MAINTENANCE
Muffler
If your saw cuts to oneside, has to beforced
throughthecut,or beenrunwithanimproper
amount of bar lubrication it may be neces-
sarytoserviceyourbar. A wornbar willdam-
age your chain and make cutting difficult.
After each use, ensure ON/STOP switch is
in the STOP position, then clean all sawdust
from the guide bar and sprocket hole.
Screws
Spark Arresting
Screen
6.
Clean the spark arresting screen with a
wire brush. Replace screen if any wires
are broken or screen is blocked after
cleaning.
Reinstall spark arresting screen.
Reinstall outlet cover and 2 screws. En-
sure outlet cover and both screws are
reinstalled correctly to prevent damage
to the saw (see illustrations). The ex-
haust outlets must face the chain brake
(bar side) of the saw.
To maintain guide bar:
S Move ON/STOP switch to the STOP posi-
tion.
S Loosen and remove chain brake nuts and
chain brake. Remove bar and chain from
saw.
7.
8.
S Cleantheoilholes andbargrooveaftereach
5
hours of operation.
Remove Sawdust From
Guide Bar Groove
Outlet Cover
Oil Holes
Exhaust Outlets
Exhaust Outlets must face
chain brake (bar side) of chain saw
S Burring of guide bar rails is a normal
process of rail wear. Remove these burrs
with a flat file.
S Whenrailtopis uneven,useaflatfiletore-
9.
Inspect the muffler gasket and replace if
damaged.
store square edges and sides.
10.
Reinstall backplates, muffler gasket and
muffler using muffler bolts. Tighten until
secure.
File Rail Edges
and Sides
Square
11.
12.
13.
Reinstall bolt cover and locknut.
Reinstall the spark plug boot.
the cylinder cover and 3
screws. Tighten securely.
Reinstall
Worn Groove
Correct Groove
15
| Categories | Chainsaw Manuals, Poulan Pro Chainsaw Manuals |
|---|---|
| Tags | Poulan Pro PP4620AV |
| Model Year | 2010 |
| Download File |
|
| Document Type | Owner's Manual |
| Language | English |
| Product Brand | Poulan Pro. Poulan Pro US phone support. Wheeled (Mowers, Tractors, Tillers, Snow Throwers): 1-800-849-1297, Handheld (Chainsaws, Trimmers, Blowers, Edgers): 1-800-554-6723, Chainsaw |
| Document File Type | |
| Publisher | poulanpro.com |
| Wikipedia's Page | Poulan |
| Copyright | Attribution Non-commercial |
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