Service And Ad Just Ments - Husqvarna YTH 20 K 46 Operator's Manual

SERVICE AND ADJUSTMENTS
TO REPLACE BATTERY (See Fig. 30)
WARNING: Do not short bat tery ter mi nals
by al low ing a wrench or any other object
to contact both terminals at the same time.
Before con nect ing battery, remove metal
bracelets, wrist watch bands, rings, etc
Positive terminal must be connected first to prevent spark-
ing from ac ci den tal grounding.
• Lift seat pan to raised position.
• Disconnect BLACK battery cable first then RED battery
cable and carefully remove battery from trac tor.
• 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.
SEAT PAN
TERMINAL
COVER
POSITIVE
(RED)
02603
CABLE
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.
02602
NUT
BOLT
NEGATIVE
(BLACK)
CABLE
FIG. 30
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.
03076
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 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.
23
HOOD
HEADLIGHT
WIRE
CONNECTOR
FIG. 31