Husqvarna GTH225 Owner's Manual page 27

SERVICE AND ADJUSTMENTS
• Turn adjustment bolt clockwise to extend spring and
reduce lift effort for heavier attachments.
• Turn adjustment bolt counterclockwise for lighter at-
tachments.
• Retighten jam nut against spring bushing.
IMPORTANT: DO NOT ADJUST FOR MAXIMUM SPRING
TENSION WHEN USING LIGHT ATTACHMENTS SUCH
AS A MOWER. ADJUST LIFT LEVER SPRING TO AID IN
LIFTING ATTACHMENT. DO NOT OVERPOWER SPRING.
WHEN REMOVING ATTACHMENT, ALWAYS ADJUST
SPRING TENSION TO ITS LOWEST POSITION.
ADJUSTMENT
BOLT
TO REMOVE HOOD AND GRILL ASSEMBLY
(See Fig. 39)
• Raise hood.
• Unsnap headlight wire connector.
• Stand in front of tractor. Grasp hood at sides, tilt toward
engine and lift off of tractor.
• To replace, reverse above procedure.
ENGINE
TO ADJUST THROTTLE CONTROL CABLE
(See Fig. 40)
The throttle control has been preset at the factory and
adjustment should not be necessary. Check adjustment as
described below before loosening cable. If adjustment is
necessary, proceed as follows:
• With engine not running, move throttle control lever to
fast position.
• Check that speed control lever is against stop screw. If
it is not, loosen casing clamp screw and pull throttle
cable until lever is against screw. Tighten clamp screw
securely.
TO ADJUST CHOKE CONTROL
(See Figs. 40 and 41)
The choke control has been preset at the factory and
adjustment should not be necessary. check adjustment as
described below before loosening cable. If adjustment is
necessary, proceed as follows:
SPRING BUSHING
ATTACHMENT
LIFT SPRING
JAM NUT
FIG. 38
HOOD
HEADLIGHT
WIRE
CONNECTOR
FIG. 39
IDLE FUEL
ADJUSTING NEEDLE
STOP
SCREW
CLAMP SCREW
• With engine not running, move choke control (located on
dash panel) to full choke position.
• Remove air cleaner cover, filter and cartridge plate to
expose carburetor choke (See "AIR FILTER" in the
Customer Responsibilities section of this manual).
• Choke should be closed. If it is not, loosen casing clamp
screw and move choke cable until choke is completely
closed. Tighten casing clamp screw securely.
• Reassemble air cleaner.
TO ADJUST CARBURETOR (See Fig. 40)
The carburetor has been present at the factory and adjust-
ment should not be necessary. However, minor adjustment
may be required to compensate for differences in fuel,
temperature, altitude or load. If the carburetor does need
adjustment, see engine manual.
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
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
DEPARTMENT, WHICH HAS PROPER EQUIPMENT AND
E X P E R I E N C E
ADJUSTMENTS.
CLOSED FOR
FULL CHOKE
27
IDLE SPEED
ADJUSTING SCREW
FIG. 40
S E R V I C E
T O M A K E A N Y
FIG. 41
THROTTLE
CONTROL
CABLE
CHOKE
CONTROL
CABLE
C E N T E R /
N E C E S S A R Y