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Installing and Adjusting the Guide Bar and Saw Chain (cont.)
7. Place the saw on a flat surface and lift
the bar nose slightly.
8. To adjust chain tension:
Turn the chain tension screw clock-
wise to tighten the chain.
Turn the chain tension screw counter-
clockwise to loosen the chain.
While lifting the bar nose, tighten or
loosen the adjusting screw until the
chain at mid-bar on the bottom of the
bar just contacts the guide bar rails.
9. Tighten the bar nut(s). The saw chain
tension is correct when there is not
any slack on the bottom of the guide
bar but the saw chain can move freely.
Mixing Fuel/Filling With Fuel
WARNING!
Minimize the risk of fire, burns, and
personal injury!
STOP engine before refueling.
ALWAYS allow the engine to cool
before refueling!
ALWAYS open the fuel cap slow-
ly to allow any pressure build-up
in the tank to release fuel vapor
slowly.
Avoid overfilling and wipe up all
spilled fuel. Move the engine at
least 10 feet (3 meters) from the
fueling point, storage area and
other readily flammable materi-
als before restarting!
ALWAYS inspect the unit for fuel
leaks before each use. During
each refill, make sure there are
no fuel leaks around the fuel
cap and/or tank. If a fuel leak
is evident, stop using the unit
immediately. Fuel leaks must be
repaired before using the unit.
NEVER smoke or light any fires
near the engine or fuel source!
NEVER place any flammable
material near the engine muffler!
NEVER operate the engine without
the muffler and spark arrester in
good working condition.
IMPORTANT!
Shindaiwa high-performance 2-cycle
engines are designed to operate on a
50:1 mixture of unleaded gasoline and
2-cycle mixing oil. Using a fuel mixture
less than 50:1 ratio (such as 80:1 or
100:1) can cause catastrophic engine
failure!
8
Chain Adjusting
Screw
Turn Clockwise to
Tighten the Chain
(extend the guide
bar)
Re-Adjusting the Saw Chain
1. To adjust chain tension in the field:
Stop the saw and allow the guide bar
and chain to cool. Loosen both bar
nuts approx. 1-turn each, and then
perform steps 7-9 above. Never oper-
ate the saw with a loose chain!
1. Use only fresh, clean unleaded gaso-
line with a pump octane rating of 87
or higher.
. Mix fuel with a -cycle mixing oil
designed for use in high-performance
-cycle air-cooled engines.
NOTE:
Shindaiwa offers two performance levels
of -cycle air-cooled mixing oils, Shindaiwa
-Cycle mixing Oil and Shindaiwa ONE
High Performance -Cycle Mixing Oil.
Shindaiwa -Cycle Mixing Oil is designed
to meet the lubrication demands of most
-cycle air-cooled engines. Shindaiwa ONE
High Performance -Cycle Mixing Oil is
recommended when superior lubrication
is needed to help protect engines used in
severe operating conditions. Shindaiwa
ONE also contains a fuel stabilizer to help
maintain fuel quality when fuel is stored
longer than 30 days.
3. Refer to following examples of 50:1
fuel to oil mix quantities.
Gasoline 2-cycle mixing oil
U.S. Gal.
U.S. fl. oz.
1 gal. ...............................6 oz.
gal. ..............................5. oz.
.5 gal. ...........................6.4 oz.
5 gal. ..............................1.8 oz.
Gasoline 2-cycle mixing oil
liters
milliliters
.5 l ................................50 ml
5 l ...................................100 ml
10 l .................................00 ml
0 l .................................400 ml
1/8"
Max.
Check the gap between chain side
plates and the bar rail
WARNING!
Inspect chain tension often during
operation, especially when breaking
in a new chain. A loose saw chain
can jump from the guide bar, pos-
sibly causing serious personal injury!
CAUTION!
Some types of gasoline contain
alcohol. Never use any type of
gasoline containing more than
10% alcohol by volume! More
than 10% alcohol by volume may
affect the lubricating qualities of 2-
cycle mixing oils reducing engine
life and/or causing engine failure.
Generic mixing oil and marine
engine oil may not be intended
for use in high-performance 2-
cycle engines and should never
be used in Shindaiwa engines.
Mixing oils not intended for use in
high-performance air-cooled 2-cy-
cle engines can cause excessive
carbon deposits, reduce engine
life and/or cause engine failure.
4. Place the saw on a hard surface with
the fuel cap up and wipe any chips or
debris from around the fuel cap.
5. Remove the fuel cap and fill the tank
with clean, fresh -cycle fuel mix.
Avoid overfilling and fuel spillage.
6. Wipe any spilled fuel and move the
saw at least 10 feet (3 meters) from
the fueling point before starting the
engine.
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