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Service and adjustments, Storage, Lawn mower – Husqvarna 5521BBC User Manual

Page 13: Engine

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13

CAUTION: To avoid serious injury, before
performing any service or adjustments:

1. Release control bar and stop engine.

2. Make sure the blade and all moving parts
have

completely

stopped.

3. 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.

REAR DEFLECTOR

The rear defl ector, 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's mowing position. If the defl ector becomes
damaged, it should be replaced.

TO REMOVE DRIVE BELT

If your mower does not operate properly due to suspected
drive belt problems, take your mower to a qualifi ed service
center for repair and/or ad just ment.

TO ADJUST HANDLE (See Fig. 19)

The handle on your lawn mower has three (3) height posi-
tions - adjust to height that suits you.

• Squeeze the bottom ends of lower handle towards each

other until the pin in handle can be inserted into one
of the three height adjustment holes.

SERVICE AND ADJUSTMENTS

ENGINE

Maintenance, re pair, or re place ment of the emission con-
trol de vic es and sys tems, which are be ing done at the
cus tom ers expense, may be performed by any non-road
engine repair es tab lish ment or individual. Warranty repairs
must be performed by an authorized engine man u fac tur er's
service outlet.

ENGINE SPEED

Your engine speed has been factory set. Do not attempt to
increase engine speed or it may result in personal injury. If
you believe that the engine is running too fast or too slow,
take your lawn mower to an authorized service center for
repair and adjustment.

CARBURETOR

Your carburetor is not adjustable. If your engine does not
operate properly due to suspected carburetor problems,
take your lawn mower to an authorized service center for
repair and/or adjustment.

IMPORTANT: NEVER TAMPER WITH THE ENGINE GOVERNOR,
WHICH IS FACTORY SET FOR PROPER ENGINE SPEED.
OVER SPEED ING THE ENGINE ABOVE THE FACTORY HIGH
SPEED SETTING CAN BE DANGEROUS. IF YOU THINK THE
ENGINE-GOVERNED HIGH SPEED NEEDS ADJUSTING,
CONTACT YOUR NEAREST AUTHORIZED SER VICE CEN TER,
WHICH HAS PROPER EQUIP MENT AND EXPERIENCE TO
MAKE ANY NEC ES SARY ADJUSTMENTS.

FIG. 19

MED. HIGH

LOW

HANDLE

BRACKET

HANDLE PIN

SQUEEZE

STORAGE

Immediately prepare your mower for storage at the end of the season or if the unit will not be used for 30 days or more.

LAWN MOWER

When lawn mower is to be stored for a period of time, clean
it thoroughly, remove all dirt, grease, leaves, etc. Store in
a clean, dry area.

1. Clean entire lawn mower (See “CLEANING” in the

Maintenance section of this manual).

2. Lubricate as shown in the Maintenance section of this

manual.

3. Be sure that all nuts, bolts, screws, and pins are securely

fastened. Inspect moving parts for damage, breakage
and wear. Replace if necessary.

4. Touch up all rusted or chipped paint surfaces; sand

lightly before painting.

HANDLE (See Figs. 20 and 21)

You can fold your lawn mower handle for storage.

1. Loosen the two (2) handle knobs on sides of the upper

handle and allow handle to fold down to the rear.

2. Squeeze the bottom ends of lower handle toward each

other until pins in handle clear the brackets and pivot
entire handle assembly forward and allow it to rest on
mower.

• When setting up your handle from the storage position,

the lower handle will require manually locking into the
mowing position.

IMPORTANT: WHEN FOLDING THE HANDLE FOR STORAGE
OR TRANSPORTATION, BE SURE TO FOLD THE HANDLE AS
SHOWN OR YOU MAY DAMAGE THE CONTROL CABLES.