Husqvarna YTH145 Owner's Manual page 24

SERVICE AND ADJUSTMENTS
• Disconnect BLACK battery cable then RED battery
cable and carefully remove battery from tractor.
• Install new battery with terminals in same position as
old battery.
• Reinstall terminal guard.
• First connect RED battery cable to positive (+) battery
terminal with hex bolt and keps nut as shown. Tighten
securely.
• Connect BLACK grounding cable to negative (-) bat-
tery terminal with remaining hex bolt and keps nut.
Tighten securely
• Close terminal access doors.
• Close hood.
KEPS NUT
TERMINAL
ACCESS
DOOR
TERMINAL
GUARD
FIG. 34B
TO REPLACE HEADLIGHT BULB
• Raise hood.
• Pull bulb holder out of the hole in the backside of the
grill.
• Replace bulb in holder and push bulb holder securely
back into the hole in the backside of the grill.
• Close hood.
INTERLOCKS AND RELAYS
Loose or damaged wiring may cause your tractor to run
poorly, stop running, or prevent it from starting.
• Check wiring. See electrical wiring diagram in the
Repair Parts.
TO REPLACE FUSE
Replace with 30 amp automotive-type plug-in fuse. The
fuse holder is located behind the dash.
TO REMOVE HOOD AND GRILL ASSEMBLY
(See Fig. 35)
• 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 procedures.
HEX BOLT
POSITIVE
(RED)
CABLE
NEGATIVE
(BLACK)
CABLE
HOOD
HEADLIGHT
WIRE
CONNECTOR
FIG. 35
ENGINE
TO ADJUST THROTTLE CONTROL CABLE
(See Fig. 36)
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
from slow to choke position. Slowly move lever from
choke to fast position.
• Check that holes "A" in governor control lever and hole
in governor plate line-up. If holes "A" are not aligned,
loosen clamp screw and move throttle cable until holes
are aligned. Tighten clamp screw securely.
GOVERNOR
CONTROL LEVER
HOLES "A"
TO ADJUST CARBURETOR
The carburetor has been preset at the factory and adjust-
ment should not be necessary. However, minor adjust-
ment 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 T O
ADJUSTMENTS.
24
GOVERNOR
CONTROL PLATE
CLAMP
THROTTLE
SCREW
CABLE
FIG. 36
S E R V I C E C E N T E R /
M A K E A N Y N E C E S S A R Y