Husqvarna YTH2748 Owner's Manual page 25

SERVICE AND ADJUSTMENTS
IMPORTANT: YOUR TRACTOR IS EQUIPPED WITH A 12 VOLT
SYSTEM. THE OTHER VEHICLE MUST ALSO BE A 12 VOLT
SYSTEM. DO NOT USE YOUR TRACTOR BATTERY TO START
OTHER VEHICLES.
TO ATTACH JUMPER CABLES -
• Connect one end of the RED cable to the POSITIVE
(+) terminal of each battery(A-B), taking care not to
short against tractor chassis.
• Connect one end of the BLACK ca ble to the NEGA TIVE
(-) terminal (C) of fully charged battery.
• Connect the other end of the BLACK cable (D) to good
chassis ground, away from fuel tank and bat tery.
TO REMOVE CABLES, REVERSE ORDER -
• BLACK cable fi rst from chassis and then from the fully
charged battery.
• RED cable last from both batteries.
WEAK OR DEAD
BATTERY
REPLACING BATTERY (See Fig. 30)
WARNING: Do not short battery
ter mi nals by allowing a wrench or any
other object to contact both terminals
at the same time. Before connect-
ing battery, remove metal bracelets,
wristwatch bands, rings, etc.
Positive terminal must be connected
fi rst to prevent sparking from ac ci -
den tal grounding.
• Lift hood to raised position.
• Disconnect BLACK battery cable fi rst then RED battery
cable and carefully remove battery from tractor.
• Install new battery with terminals in same position as
old battery.
• First connect RED battery cable to positive (+) terminal
with hex bolt and keps nut as shown. Tighten securely.
Slide terminal cover over terminal.
• Connect BLACK grounding cable to negative (-) ter mi nal
with remaining hex bolt and keps nut. Tighten se cure ly.
• Close hood.
HEX
BOLT
NEGATIVE
(BLACK)
CABLE
FULLY CHARGED
BATTERY
FIG. 29
KEPS
TER MI NAL
NUT
COVER
POSITIVE
(RED) CABLE
02747
FIG. 30
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 section.
TO REPLACE FUSE
Replace with 20 amp automotive-type plug-in fuse. The
fuse holder is located behind the dash.
TO REMOVE HOOD AND GRILL ASSEMBLY
(See Fig. 31)
• 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.
02778
ENGINE
TO AD JUST THROTTLE CON TROL CABLE
The throttle control has been preset at the factory and
ad just ment should not be necessary. If adjustment is nec-
es sary, see engine manual.
TO AD JUST CHOKE CON TROL
The choke control has been preset at the factory and ad-
just ment should not be necessary. If adjustment is neces-
sary, see engne manual.
TO ADJUST CARBURETOR
Your carburetor is not adjustable. If your engine does not
operate properly due to suspected carburetor problems,
take your tractor to an authorized service center for repair
and/or adjustment.
25
HOOD
HEADLIGHT
WIRE
CONNECTOR
FIG. 31