SERVICE AND ADJUSTMENTS

Replace washers and snap retaining ring securely in axle groove.

Replace axle cover.

NOTE: To seal tire punctures and prevent flat tires due to slow leaks, tire sealant may be purchased from your local parts dealer. Tire sealant also prevents tire dry rot and corrosion.

WASHERS

RETAINING

RING

AXLE COVER

SQUARE KEY (REAR

WHEEL ONLY)

FIG. 28

REPLACING BATTERY (See Fig. 30)

WARNING: Do not short battery terminals 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 first to prevent spark- ing from accidental 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 (-) battery terminal with remaining hex bolt and keps nut. Tighten securely

Close hood.

TO START ENGINE WITH A WEAK BATTERY (See Fig. 29)

WARNING: Lead-acid batteries gen- erate explosive gases. Keep sparks, flame and smoking materials away from batteries. Always wear eye protection 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 manual).

If “jumper cables” are used for emergency starting, follow this procedure:

C

Positive B (Red) Cable

ANegative (Black) Cable

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 cable to the NEGATIVE (-) terminal (C) of fully charged battery.

Connect the other end of the BLACK cable (D) to good chassis ground, away from fuel tank and battery.

TO REMOVE CABLES, REVERSE ORDER -

BLACK cable first from chassis and then from the fully charged battery.

RED cable last from both batteries.

WEAK OR DEAD

FULLY CHARGED

BATTERY

BATTERY

02954

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.

FIG. 29

22

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Husqvarna YTH20B42T Replacing Battery See Fig, To Start Engine with a Weak Battery See Fig, To Replace Headlight Bulb