Husqvarna YTH20B42T Lawn Mower User Manual


 
22
SERVICE AND ADJUSTMENTS
FIG. 28
RETAIN ING
RING
WASH ERS
SQUARE KEY (REAR
WHEEL ONLY)
AXLE COVER
TO START ENGINE WITH A WEAK BATTERY
(See Fig. 29)
WARNING: Lead-acid batteries gen-
erate ex plosive gases. Keep sparks,
ame and smoking ma terials away from
batteries. Always wear eye pro tection
when around batteries.
If your battery is too weak to start the engine, it should be
recharged. (See "BATTERY" in the MAINTENANCE sec-
tion of this man u al).
If “jumper ca bles” are used for emer gen cy starting, follow
this pro ce dure:
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.
FIG. 29
WEAK OR DEAD
BATTERY
FULLY CHARGED
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 connecting battery, remove metal
bracelets, wristwatch bands, rings, etc.
Positive terminal must be connected fi rst to prevent spark-
ing from ac ci den tal grounding.
• Lift hood to raised position.
• Disconnect BLACK battery cable (A) 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 (B) to positive (+) battery
terminal with hex bolt and keps nut as shown. Tighten
securely. Slide terminal cover (C) over terminal.
Connect BLACK grounding cable to negative (-) bat tery
terminal with re main ing hex bolt and keps nut. Tight en
securely
• Close hood.
Positive
(Red)
Cable
Negative
(Black)
Cable
02954
A
B
C
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.
• Replace washers and snap retaining ring securely in
axle groove.
• Replace axle cover.
NOTE: To seal tire punctures and prevent fl at tires due to
slow leaks, tire sealant may be purchased from your local
parts dealer. Tire sealant also prevents tire dry rot and
corrosion.