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Service and adjustments, Engine – Poulan Pro PB20H42YT LAWN TRACTOR User Manual

Page 23

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23

SERVICE AND ADJUSTMENTS

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.

03075

HEADLIGHT
WIRE
CONNECTOR

HOOD

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.

FIG. 31

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 seat pan 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.

Positive
(Red)
Cable

Negative
(Black)
Cable

03037

A

B

C