Poulan 331 Trimmer User Manual


 
6
S
Place the metal shield under the gearbox,
and align the screw holes.
Shield
Gearbox
S
Insert and thread the 4 mounting screws
through the holes of the gearbox and the
metal shield. Tighten evenly and securely
with the hex wrench provided.
INSTALLATION OF THE METAL
BLADE
WARNING:
Do not useany bl ades, or
fastening har dw ar e other t han the washer s and
nuts show n i n the following illus tr a tio ns . The s e
parts m ust be provided by Poulan/Weed E ater,
and installed as shown below. Failure to use
proper par ts can cause the blade to fly of f and
seriously hurt you or others.
NOTE:
The dust cupis located on the gear box
and not in the par ts bag. All other fastening
hardw are mentioned in the following assembly
steps is located in the parts bag.
S
Leave the dust cup on the gearbox.
S
Install the blade and the retaining washer
over the threaded shaft extending from the
gearbox.
NOTE:
It may be nec essary to
remove a plastic protective covering from
the threaded shaft before installing these
parts.
S
Make sure the raised part of the retaining
washer is facing the gearbox and the raised
area fits into the hole in t he center of the
blade (see illustration).
S
Slide the blade and retaining washer onto
the shaft of the gearbox.
S
Now place the cupped washer onto the
shaft. Make sure the cupped side of the
washer is toward the blade.
S
Install the blade nut by threading onto the
shaft counterclockwise.
Shield
Blade
Retaining
Washer
Dust Cup
Cupped
Washer
Nut
Threaded Shaft
NOTE:
Mak e s ure all pa rts are in plac e a sillus-
trated, and the blade is sandw iched betw een
the dust cup and t he retaining washer. T her e
should be no space bet ween t he blade and the
dust cup or the retaining washer.
S
Push in locking lever and hold.
S
Rotate blade nut until the locking lever falls
into one of the grooves in the dust cup.
Locking Lever
S
Continue to hold in locking lever. This w ill
keep t he shaft from turning while t ightening
the blade nut.
S
Tighten blade nut firmly with a wrench.
S
Release locking lever.
S
Turn blade by hand. If the blade binds
against the shield, orappears to beuneven,
the blade is not centered, and you must re-
install.
FUEL YOUR UNIT
WARNING:
Remove fuel cap slowly
when refueling.
This engine is certified to operate on unleaded
gasoline. Gasoline must be mixed w ith a good
quality 2 - cycle air- cooled engi ne oil designed t o
be mixed at a ratio of 40:1. Poulan PRO
R
brand oil is r ecomm ended. (A 40:1 r atio is ob-
tained bymixing 3.2ounces of oil with 1 gallonof
unleaded gasol ine) . When mixing fuel follow the
instructions printed on the container. Always
read and f ollow the safety rules under FU EL
SAFETY.
STARTING
HOW TO STOP YOUR UNIT
To stop the engine, push and release the en-
gine STOP switch. The switch will automati-
cally return to the ON pos ition. Wait 5 sec-
onds before attempting to restart unit to allow
switch to reset.