Preliminary Setting; Final Setting; Acceleration Test - Craftsman EZ3 917.272201 Owner's Manual

PRELIMINARY SETTING*
, Be sureyou havea clean air filter,and
the throttlecontrolcable and chokeare
adjustedproperly(see above).
• With engine off turn idle mixture screw
in (clockwise) closing it finger t!ght
and then turn out (counterclockwise)
1-1/4 to 1-1/2 turns.
FINAL SETTING -
. Start engine and allow to warm for five
minutes° Make final adjustments with
engine running and shift/motion control
lever in neutral (N) position.
• With throttle control lever in slow posi-
tion, hold throttle lever against idle
speed screw and adjust idle speed
screw to obtain 1300 to t500 RPM.
• While still holding throttle lever against
idle speed screw, turn idle mixture
screw In (clockwise) until engine begins
to die and then turn out (counterclock-
wise) until engine runs rough, Turn
screw to a point midway between those
two positions.
• Continue to hold throttle lever against
idle speed screw and adjust idle speed
screw to obtain 1200 RPM, if the gov-
erned idle spring is red, or 900 RPM, if
the governed idle spring is white. Re-
lease throttle lever.
ACCELERATION TEST -
• Move throttle control lever from slow to
fast position, If engine hesitates or dies,
turn idle mixture screw out (counter-
clockwise) 1/8 turn. Repeat test and
continue to adjust, if necessary, until en-
gine accelerates smoothly.
High speed stop is factory adjusted. Do
not adjust - damage may result,
IMPORTANT: Never tamper with the en-
gine governor, which is factory set for
proper engine speed. Overspeeding the
engine above the factory high speed set-
ting can be dangerous, tf you think the
engine-governed high speed needs ad-
justing, contact your nearest authorized
service center/department, which has
proper equipment and experience to
make any necessary adjustments.
Governed Idle Spring Stop
(Red or White)
Choke I i Clamp
Throttle
.evBr_
Idle Speed
3O