Final Setting - Craftsman EZ 917.270922 Owner's Manual

19.5 hp electric start 42" mower automatic lawn tractor
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then tum out (counterclockwise) 1-1/4
to 1-1/2 tums.
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
position, hold throttle lever against idle
speed screw and adjust idle speed
screw to obtain 1200 to 1400 RPM.
• While still holding throttle
lever against
idle speed screw, turn idle mixture
screw in (clockwise)
until engine
begins to die and then tum out
(counterclockwise)
until engine runs
rough. Tum 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 900 to 1200
RPM.
Release throttle lever.
ACCELERATION
TEST -
• Move throttle control lever from slow to
fast position.
If engine hesitates or
dies, turn idle mixture screw out
(counterclockwise)
1/8 turn.
Repeat
test and continue to adjust, if neces-
sary, until engine accelerates
smoothly.
High speed stop is factory adjusted.
Do
not adjust - damage
may result.
IMPORTANT"
Never tamper with the
engine govemor, which is factory set for
proper engine speed.
Overspeeding
the
engine above the factory high speed
setting can be dangerous.
If you think the
engine-governed
high speed
needs
adjusting, contact your nearest autho-
rized service center/department,
which
has proper equipment
and experience
to
make any necessary
adjustments.
Throttle
Idle Mixture
Screw
Idle Mixture
Screw
28

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