Interlocks And Relays; Engine - Husqvarna LTH1542 Owner's Manual

TERMINAL
COVER
POSITIVE (RED)
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.
TO REMOVE HOOD AND GRILL ASSEMBLY
(See Fig. 30)
• 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.
SERVICE AND ADJUSTMENTS
KEPS
NUT
NEGATIVE
(BLACK) CABLE
FIG. 29
HOOD
HEADLIGHT
WIRE
CONNECTOR
FIG. 30
TO ADJUST THROTTLE CONTROL CABLE
(See Fig. 31)
The throttle control has been preset at the factory and
adjustment should not be necessary. Check adjustment as
HEX
described below before loosening cable. If adjustment is
BOLT
necessary, proceed as follows:
• With engine not running, move throttle control lever from
slow to choke position. Slowly move lever from choke
to fast position.
• Check that holes "A" in governor control lever and hole
in governor plate line-up. If holes "A" are not aligned,
loosen clamp screw and move throttle cable until holes
are aligned. Tighten clamp screw securely.
HOLES "A"
TO ADJUST CARBURETOR
The carburetor has been preset at the factory and adjust-
ment should not be necessary. However, minor adjustment
may be required to compensate for differences in fuel,
temperature, altitude or load. If the carburetor does need
adjustment, see engine manual.
High speed stop is factory adjusted. Do not adjust - damage
may result.
IMPORTANT:
GOVERNOR, WHICH IS FACTORY SET FOR PROPER
ENGINE SPEED. OVERSPEEDING THE ENGINE ABOVE
T H E F A C T O R Y H I G H S P E E D S E T T I N G C A N B E
DANGEROUS. IF YOU THINK THE ENGINE-GOVERNED
HIGH SPEED NEEDS ADJUSTING, CONTACT YOUR
N E A R E S T
DEPARTMENT, WHICH HAS PROPER EQUIPMENT AND
E X P E R I E N C E
ADJUSTMENTS.
23
GOVERNOR
CONTROL LEVER
CLAMP
SCREW
FIG. 31
NEVER TAMPER WITH THE ENGINE
A U T H O R I Z E D S E R V I C E
T O M A K E A N Y
GOVERNOR
CONTROL
PLATE
THROTTLE
CABLE
C E N T E R /
N E C E S S A R Y