Craftsman 917.259561 Lawn Mower User Manual


 
I III II I
SERVICE AND ADJUSTMENTS
i I I I
CHOKE
While still holding throttle lever against idle speed
screw, turn idle mixture screw in (clockwise) until
engine begins to die and then turn out (countemlock-
wise) until engine runs rough. Turn screw to a point
midway between those two positions.
Continue to holdthrottle lever against idle speed screw
and adjust idle speed screw toobtain 1200 RPM, ifthe
igovemed idlespring isred,or 900 RPM, ifthe governed
die spring is white. 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) l/8tum. Repeat test and continue
to adjust, if necessary, 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 ADJUSTING, CONTACT YOUR
NEAREST AUTHORIZED SERVICE CENTER/
DEPARTMENT, WHICH HAS PROPER EQUIPMENT AND
EXPERIENCE TO MAKE ANY NECESSARY
ADJUSTMENTS.
CLAMPSCREW SWIVEL
CABLE
GOVERNED IDLE
SPRING
(RED OR WHITE)
FIG. 32
_STOP
CLAMP
SCREW
LEVER
IDLE SPEED
SCREW
SCREW
FIG. 34
25