Poulan 1950, 1975, 2055, 2050, 2075, 2150, 2155, 2175, 2350, 2375, 2150PR Chainsaw User Manual


 
14
MAINTENANCE SCH E DULE
Check:
Fuel mixture level Before ea ch 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 ea ch 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 the life and per for-
mance of the engine andincreases fuel con-
sumption and harmful emissions. Always
clean your air f ilter 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 airfil-
ter withanew oneafter every 50hours ofop-
eration, or annually, whichever comes f irst.
1. Loosen 3 screws on cylinder cover.
2. Remove cylinder cover.
3. Remove air filter.
4. Cleanthe airfilter usinghotsoapywater .
Rinse with clean cool water. Air dry
completely before reinstalling.
5. Lightly oil air filter before installing to im-
prove the efficiency of air filter. Use
2--cycle engine oilor motoroil (SAE30).
Squeeze excess oil f rom filter.
6. Reinstall air filter.
7. Reinstall cylinder cover and 3 screws.
TIghten securely.
Air Filter
Cylinder Co
v
er
Screws
Cylinder
Cover
INSPECT MUFFLER AND SPARK
ARRESTING SCREEN
WARNING: The m uffler on this
product contains chemicals known to the
State of California to cause cancer.
As the unit is used, carbon deposits buildup
on the muffler and spark arresting screen,
and m ust beremoved toavoid creating afire
hazard or a ffecting engine performance.
Replacethe spark arresting screen ifbreaks
occur.
CLEANING THE SPARK ARREST -
ING SCREEN
Cleaning is required every 25 hours of op-
eration or annually, whichever comes first.
Muffler
Gasket
Muffler
Bolts
Muffler
L
ocknut
Outlet
Guide
Bolt Cover
Backplate
1. Loosen andremovethe locknut fromthe
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-
entationof these par tsfor r eassembling.
4. Locate the 2 outlet cover screws on the
muffler. Loosen and remove both
screws.
5. Remove the outlet cover.
BACK VIEW OF
MUFFLER
Muffler
Spark Arresting
Screen
Outlet Cover
Screws
6. Remove spark arresting screen.
7. Clean t he spark arresting screen with a
wire brush. Replace screen if any wires
are broken or screen is blocked af ter clea-
ning.
8. Reinstall spark arresting screen.
9. Reinstall outletcover and2 screws. En-
sure outlet cover and both screws are
reinstalled correctly (see illustrations) to
prevent damage to the saw. The ex-
haust outlet must face the chain brake
(bar side) of the saw.