Husqvarna YTH180 用户手册
25
SERVICE AND ADJUSTMENTS
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 necessary, until engine acceler-
ates smoothly.
screw out (counterclockwise) 1/8 turn. Repeat test and
continue to adjust, if necessary, until engine acceler-
ates smoothly.
High speed stop is factory adjusted. Do not adjust-damage
may result.
may result.
IMPORTANT: NEVER TAMPER WITH THE ENGINE
GOVERNOR, WHICH IS FACTORY SET FOR PROPER
ENGINE SPEED. OVERSPEEDING THE ENGINE ABOVE
T H E F A C T O R Y H I G H S P E E D S E T T I N G C A N B E
DANGEROUS. IF YOU THINK THE ENGINE-GOVERNED
HIGH SPEED NEEDS ADJUSTING, CONTACT YOUR
N E A R E S T A U T H O R I Z E D S E R V I C E C E N T E R /
DEPARTMENT, WHICH HAS PROPER EQUIPMENT AND
E X P E R I E N C E T O M A K E A N Y N E C E S S A R Y
ADJUSTMENTS.
GOVERNOR, WHICH IS FACTORY SET FOR PROPER
ENGINE SPEED. OVERSPEEDING THE ENGINE ABOVE
T H E F A C T O R Y H I G H S P E E D S E T T I N G C A N B E
DANGEROUS. IF YOU THINK THE ENGINE-GOVERNED
HIGH SPEED NEEDS ADJUSTING, CONTACT YOUR
N E A R E S T A U T H O R I Z E D S E R V I C E C E N T E R /
DEPARTMENT, WHICH HAS PROPER EQUIPMENT AND
E X P E R I E N C E T O M A K E A N Y N E C E S S A R Y
ADJUSTMENTS.
STOP
SCREW
SCREW
SPEED
CONTROL
LEVER
CONTROL
LEVER
FIG. 37
IDLE SPEED
ADJUSTING
SCREW
ADJUSTING
SCREW
MAIN FUEL
ADJUSTING
NEEDLE
ADJUSTING
NEEDLE
IDLE FUEL
ADJUSTING
NEEDLE
ADJUSTING
NEEDLE
STOP SCREW
CASING
CLAMP
SCREW
CLAMP
SCREW
THROTTLE
CABLE
CABLE
SPEED CONTROL
LEVER
LEVER
FIG. 38
FIG. 36