Necessary Checks - Poulan Pro PP4218AVX Instruction Manual

instructed inthis manual Various adjust-
ments wilt n eed tobemade periodically to
propedy maintain your unit
• Once ayear, replace the s park plug, air f ilter,
and c heck guide bar e nd c hain for w ear. A
new spark plug a nd a ir f ih_er assures proper
air-fuel mixture and helps your engine run
better and l ast longer
CHECK FOR DAMAGED OR
WORN P ARTS
Contact an authorized service dealer for r e-
placement ofdamaged or worn parts
NOTE: Itisnormal for a smatl amount of o il
toappear under the saw after engine stops.
Do not confuse this w ith aleaMng oit t ank.
• ON!STOP Switch - Ensure ON/STOP
switch func_ons properly bymoving the
switch tothe S TOP position. Make sure e n-
gine stops; then r estart engine and c ontinue.
• Fuel Tank - Donot u se saw iffuel tank
shows signs ofdamage orleaks.
• OilTank -Donot usesawifoiitankshows
signs ofdamage orleaks
CHECK FOR
LOOSE
FASTENERS AND PARTS
Bar Nuts
Chain
Muffler
Cylinder Shield
Air Filter
Handle Screws
Vibration Mounts
Starter Housing
Front Hand Guard
CHECK CHAIN SHARPNESS
A sharp chain makes wood chips. A dull
chain makes a sawdust powder and cuts
slowly See CHAIN SHARPENING
CHECK GUIDE BAR
Conditions which require guide bar mainte-
nance:
• Saw cuts to one side or at an angle.
• Saw has to be forced through the cut
• inadequate supply of oil to barJchain.
Check the condition of guide bar each time
chain is sharpened. A worn guide bar will
damage the chain and make cutting difficult.
After each use, ensure ON/STOP switch is
in the STOP position, then clean ail sawdust
from the guide bar and sprocket hole
To maintain guide bar:
• Move ON/STOP switch to STOR
• Loosen and remove bar nuts and clutch
cover. Remove bar and chain from saw.
• Clean the oil holes and bar groove after
each 5 hours of operation.
Remove Sawdust From
Guide Bar G_o_
Oi, Ho,es . "_Q
• Burring of guide bar rails ts a normal
process of rail wear. Remove these burrs
with a flat file.
• When rail top is uneven, use a flat file to re-
store square edges and sides.
r_ File RaiI Edges_ r_
and Sides
Square
Worn Groove Correct Groove
Replace guide bar when the groove is worn,
the guide bar is bent or cracked, or when ex-
cess heating or burring of the rails occurs, ff re-
placeme_t is necessary, use only the guide bar
specked for your saw in the repair parts Iist or
on the decal located on the chain saw.
CHECK FUEL MIXTURE LEVEL
• See FUELING ENGINE under the OP-
ERATION section.
LUBRICATION
Bar Oil
Fill Cap
• See GUIDE BAR AND CHAIN OIL under
the OPERATION section.
INSPECT AND CLEAN UNIT AND
DECALS
• After each use, inspect complete unit for
_oose or damaged parts. Clean the unit and
decals using a damp cloth with a mild deter-
gent
• Wipe off unit with a clean dry cloth.
CHECK CHAIN BRAKE
See CHAIN BRAKE in the OPERATION
section.
CLEAN AIR FILTER
CAUTION: Do not clean filter in gasoline or
other flammable solvent to avoid creating a
fire hazard or producing harmful evaporative
emissions.
Cleaning the air filter:
A dirty air filter decreases the life and perfor-
mance of the engine and increases fuel con-
sumption and harmful emissions. Always
clean your air fiker after 10 tanks of fuel or 5
hours of operation, whichever comes first.
Clean more frequently in dusty conditions. A
used air filter can never be completely
cleaned. It is advisable to replace your air fil-
ter with a new one after every 50 hours of op-
eration, or annually, whichever comes first
1. Loosen 3 screws on cyIinder cover.
2 Remove cylinder cover
3. Remove air filter cover and air filter
4. Clean the air filter using hot soapy water
Rinse with clean cool water. Air dry com-
pletely before reinstal}ing.
5. Reinstall air filter and air filter cover.
15