Jonsered JNA16H42A, Руководство пользователя

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23
SERVICE AND ADJUSTMENTS
HOOD
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. 32)
• 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.
FIG. 33
TO ADJUST CARBURETOR (See Fig. 33)
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: NEVER TAMPER WITH THE ENGINE
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 A U T H O R I Z E D S E R V I C E C E N T E R /
DEPARTMENT, WHICH HAS PROPER EQUIPMENT AND
E X P E R I E N C E T O M A K E A N Y N E C E S S A R Y
ADJUSTMENTS.
ENGINE
TO ADJUST THROTTLE CONTROL CABLE
(See Fig. 33)
The throttle control has been preset at the factory and
adjustment should not be necessary. Check adjustment as
described below before loosening cable. If adjustment is
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.
GOVERNOR
CONTROL LEVER
GOVERNOR
CONTROL PLATE
THROTTLE
CABLE
HOLES “A”
CLAMP
SCREW
FIG. 32
HEADLIGHT WIRE CONNECTOR
FIG. 30
FIG. 31
SEAT PAN
BATTERY
BOX DOOR
KEPS
NUT
HEX
BOLT
POSITIVE (RED)
CABLE NEGATIVE
(BLACK) CABLE
• 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.
• Connect BLACK grounding cable to negative (-) terminal
with remaining hex bolt and keps nut. Tighten securely.
• Close battery box door.