Craftsman 917.293301 - Manual (Page 18)

ENGINE
Maintenance, repair, or replacement of the
emission control devices and systems,
which are being done at the customers
expense, may be performed by any non­
road engine repair establishment or indi­
vidual. Warranty repairs must be per­
formed by an authorized engine manufac­
turer's service outlet.
TO ADJUST THROTTLE CONTROL
CABLE®
Loosen cable damp screw to allow
cable to move.
® Move throttle control lever on upper han­
dle to “FAST” position.
0 Pull throttle cable out to end of travel
® Hold cable in this position and tighten
clamp screw securely.
IDLE RPM ADJUSTMENT
a To adjust idle RPM, rotate throttle link­
age counterclockwise and hold against
stop while adjusting idle speed adjusting
screw to obtain 1750 RPM. Release
throttle linkage.
-ACCELERATION TEST ^
® Move throttle control lever from “SLOW
to “FAST position.
If
engine hesitates
or dies, turn needle valve out (counter*
clockwise) 1/8 turn. Repeat test and
continue to adjust, if necessary, until
engine accelerates smoothly.
High speed stop is factory adjusted. Do
not adjust or 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*
tina can be dangerous. If you think the
engine-governed high speed needs adjust­
ing, contact your nearest authorized ser­
vice center/department, which has the
proper eguipment and experience to make
any necessary adjustments.
TO ADJUST CARBURETOR
The carburetor has a high speed jet and
has been preset at the factory and adjust­
ment should not be necessary. However,
minor adjustments may be required to
compensate for differences in fuel, temper­
ature, altitude or load, if the carburetor
does need adjustment, proceed as follows.
18