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Service And Adjustments - Husqvarna 51 Owners Man

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SERVICE AND ADJUSTMENTS

CAUTION: BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS -
• Release operator presence control bar.
• Make sure the blade and all moving parts have completely stopped.
• Disconnect spark plug wire from spark plug and place where it cannot come in contact with plug.
LAWN MOWER
TO ADJUST CUTTING HEIGHT
See "TO ADJUST CUTTING HEIGHT" in the Operation
section of this manual.
TO ADJUST HANDLE (See Figs.13-15)
The handle can be mounted in a high or low position. The
mounting holes in the bottom of lower handle are off center
for raising or lowering the handle.
Remove upper handle and all parts attached to lower
handle.
Remove trimplate from lower handle.
Remove hairpin cotters from lower handle bracket
mounting pin.
Squeeze lower handle in to remove it from mounting
pins.
Turn lower handle over to raise or lower handle.
Squeeze lower handle in and position holes onto
mounting pins on handle bracket.
Reassemble trimplate to lower handle.
Reassemble upper handle and all parts removed from
lower handle.
BOLT
TRIM PLATE
ROTATE
WASHER
TAPPING SCREW
FIG. 13
LOWER
HANDLE
FIG. 14
MOWING
POSITION
LOW POSITION
REAR DEFLECTOR
The rear deflector, attached between the rear wheels of
your mower, is provided to minimize the possibility that
objects will be thrown out of the rear of the mower into the
operator mowing position. If the deflector becomes dam-
aged, it should be replaced.
ENGINE
CARBURETOR
The carburetor has been preset at the factory and adjust-
ment should not be necessary. However, minor adjust-
ment may be required to compensate for differences in fuel,
temperature, altitude or load.
The air filter must be assembled to the carburetor when
running engine.
Best carburetor adjustment is obtained when fuel tank
is 1/4 full.
In order for the engine to run, the operator presence
control bar must be held in the operating position.
Therefore, and assistant will be required to hold the
control bar in the operating position when making final
adjustment to the carburetor.
See the adjustment section of your engine manual for
further instructions.
ENGINE SPEED
The engine speed has been factory set. Do not attempt to
increase engine speed as it may result in personal injury.
If you believe the engine is running too fast or too slow, take
your lawn mower to an authorized engine service center for
repair and adjustment.
THROTTLE CONTROL
If it becomes necessary to adjust or replace the throttle
control, see the adjustment section of your engine manual.
12
MOWING
POSITION
HIGH POSITION
FIG. 15

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