Final Setting - Craftsman 917.273481 Owner's Manual

20.0 hp, 42" mower electric start automatic transmission
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2. With engine off turn idle fuel adjust-
ing needle in (clockwise) closing it
finger tight and then turn out (counter-
clockwise) 1 turn.
FINAL SETTING -
1. Start engine and allow to warm for five
minutes. Make final adjustments with
engine running and shift/motion control
lever in neutral (N) position.
NOTE: The high idle Jsset at the factory
and cannot be adjusted.
2. Idle speed setting - With throttle control
lever in slow position, engine should
idle at 1750 RPM. If engine idles too
slow or fast, turn idle speed adjusting
screw in or out until correct idle is at-
tained.
3. Idle fuel needle setting - With throttle
control lever in slow position, turn idle
fuel adjusting needle in (clockwise)
until engine speed decreases and then
turn out (counterclockwise)
approxi-
mately 3/4 turn to obtain the best low
speed performance.
4. Recheck idle speed. Readjust Jf neces-
sary.
ACCELERATION
TEST -
5. Move throttle control lever from slow
to fast position. If engine hesitates or
dies, turn idle fuel adjusting needle 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 governor, 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 ad-
justing, contact a Sears or other qualified
service center, which has proper equip-
ment and experience to make any neces-
sary adjustments.
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