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20
Low and High Mixture Adjust-
ments for Non Emission Compli-
ance Engines.
Low Speed Mixture (engine idling
at operating temperature.
1. Using a small screwdriver, slowly
turn the low speed mixture screw
clockwise (lean mixture) and note
any changes in engine rpm.
2. Next, turn the low speed mixture
screw counter-clockwise (rich
mixture) and note any changes in
engine rpm.
3. Adjust the low speed mixture screw
to provide the smoothest posible
idle with no sacrifice in engine
acceleration.
4. If necessary, readjust the idle speed
screw for an engine idle speed of
2,600-3,000 rpm (min
-1
).
High Speed Mixture
CAUTION:
Do not run saw at full throttle with
no load. If run in this condition,
seizure can occur.
CAUTION:
Do not adjust H-speed needle to
less than 1 turn. If run at less than 1
turn, seizure can occur.
1. No adjustment is necessary when
the saw is new.
2. After approximately 10 hours
running, readjust the H-needle to
1 1/4 turns (± 1/4 turn).
Low and High speed adjustment.
Standard opening.
L ........................... 1 1/8 ± 1/4 turn
H...........................1 1/4 ± 1/4 turn
“Standard opening’’ means number
of turns from the fully closed
position by turning needle gently
counter-clockwise.
OPERATION
Carburetor Adjustments (cont.)
21
Chain Brake
WARNING!
The chain brake is
installed only to reduce
the risk of injury from kickback!
The chain brake is not a substitute
for careful operation!
The Shindaiwa 357 saw is equipped with
an inertial chain brake that stops the
saw chain whenever the brake lever is
moved to the forward (engaged)
position.
■ Engaging the brake lever causes a
brake band to tighten around the
clutch drum, stopping the chain.
■ The chain brake is designed to
engage whenever the brake lever
strikes the operator’s hand.
■ The chain brake can also be
activated by pushing the brake
lever forward manually.
■ To release (disengage) the chain
brake, pull the brake lever toward
you.
Chain Brake Operation
IMPORTANT!
Release the throttle whenever the
chain brake is activated!
35704
Chain can rotate
Chain is stopped
OPERATION