Poulan Pro 220 LE Manual De Instrucciones página 14

MAINTENANCE SCHEDULE
Check:
Fuel mixture level .... Before each use
Bar lubrication ....... Before each use
Chain tension ....... Before each use
Chain sharpness ..... Before each use
For damaged parts ... Before each use
For loose caps ...... Before each use
For loose fasteners... Before each use
For loose parts ...... Before each use
Inspect and Clean:
Bar ................ Before each use
Complete saw ....... After each use
Air filter ............. Every 5 hours*
Chain brake ......... Every 5 hours*
Spark arresting screen
and muffler .......... Every 25 hours*
Replace spark plug . Yearly
Replace fuel filter ... Yearly
* Hours of Operation -
Each hour of operation is approximately
2 tanks of fuel.
AIR FILTER
CAUTION: Do not clean filter in gasoline
or other flammable solvent to avoid creating
a fire hazard or producing harmful evapora-
tive emissions.
Cleaning the air filter:
A dirty air filter decreases engine perform-
ance and increases fuel consumption and
harmful emissions. Always clean after 10
tanks of fuel or 5 hours of operation, which-
ever comes first. Clean more frequently in
dusty conditions. A used aire filter can never
be completely cleaned. It is advisable to re-
place your air filter with a new one after every
50 hours of operation, or annually, whichever
comes first.
1. Loosen 3 screws on cylinder cover.
2. Remove cylinder cover.
3. Remove air filter.
4. Clean the air filter using hot soapy water.
Rinse with clean cool water. Air dry com-
pletely before reinstafling.
5. Lightly oil air filter before installing to im-
prove the efficiency of air filter. Use
2-cycle engine oil or motor oil (SAE 30).
Squeeze excess oil from filter.
6. Reinstall air filter.
7. Reinstall cylinder cover and 3 screws.
Tighten securely.
A. . f--,_.4-_- Cylinder
ir Filter P" _"_ ...... Cover
er
INSPECT MUFFLER AND SPARK
ARRESTING SCREEN
_WARNING:
The muffler on this
product contains chemicals known to the
State of California to cause cancer.
As the unit is used, carbon deposits build up
on the muffler and spark arresting screen,
and must be removed to avoid creating a fire
hazard or affecting
engine performance.
Replace the spark arresting screen if breaks
Occur.
CLEANING THE SPARK ARREST-
ING SCREEN
Cleaning is required every 25 hours of op-
eration or annually, whichever comes first.
Outlet
Guide
Backplate
Muffler
Gasket
Muffler
/
Muffler
_/ Bolts
Bolt Cover
Locknut
1. Loosen and remove the Iocknut from the
bolt cover.
2. Remove the bolt cover.
3. Loosen and remove the 2 muffler bolts.
Remove the muffler, muffler gasket, out-
let guide and backplate. Notice the ori-
entation of these parts for reassembling.
4. Locate the 2 outlet cover screws on the
muffler. Loosen and remove both
screws.
5. Remove the outlet cover.
_ Outlet Cover BACK VIEW O F
MUFFLER
6,
7.
8,
9.
10.
14
Remove spark arresting screen.
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 re-
installed correctly (see illustrations) to
prevent damage to the saw. The ex-
haust outlet must face the chain brake
(bar side) of the saw.
Outlet Cover
Exhaust _,_-_._ _¢"
Outlet _ _--,_,_
Exhaust Outlet must face chain
brake (bar side) of chain saw
Inspect the muffler gasket and replace if
damaged.