Husqvarna 322 Manuale di istruzioni

English

Workshop manual

322, 322L, 325, 325L, 522L

1. Starter ___________________________________ 3

2. Ignition system ____________________________ 7

3. Fuel system _______________________________11

4. Centrifugal clutch _________________________ 19

5. Angle gear _______________________________ 23

6. Cylinder and piston _______________________ 27

7. Crankshaft and Crankcase _________________ 31

This supplement only takes up elements specific

to the above mentioned models.

For complete information when servicing we rec-

ommend that the supplement is studied together

with the Workshop Manual.

WorkshopManual

Brushcutters,Trimmers,

Pruners,Hedgetrimmers

Listof Contents

1 Eng, 1-6 98-12-14, 17.051

1 Eng, 1-6 98-12-14, 17.052

Starter

Contents

Dismantling ________________________________ 4

Assembly _________________________________ 4

Replacing the drive pawls ____________________ 5

1 Eng, 1-6 98-12-14, 17.053

Starter

WARNING!

Protective glasses should be worn when working on the starter to avoid injury to the

eyes if, for some reason, the return spring should fly out.

Dismantling

Remove the 3 bolts and lift out the starter.

NOTE!

Ensure the bushes (A) that guide the starter against the fuel tank are not lost.

Assembly

Clean all component parts before

assembling.

Replace the return spring/starter pulley

and starter cord if necessary.

NOTE!

The return spring and the starter pulley

are supplied assembled and are fitted in

the starter housing as a single unit.

Exercise care when opening the

packaging so that the spring does not

fly out.

Assembly

Clean all component parts and assem-

ble in the reverse order as stated for

dismantling.

WARNING!

Use protective glasses. The return

spring is tensioned in the starter

pulley and can fly out and cause

personal injury with negligent

handling.

Off-load the spring pressure as de-

scribed in the Workshop Manual.

Remove the bolt from the centre of the

starter pulley. Carefully lift the starter

pulley out of the starter housing.

Off-load the spring pressure.

Remove the bolt from the centre of the

starter pulley and lift off the starter

pulley.

1 Eng, 1-6 98-12-14, 17.054

504 91 06-05

Starter

Remove the circlip holding the drive

pawl.

Lift off the drive pawl and spring for

replacement.

Assemble in the reverse order as

stated for dismantling.

Remove the circlip and replace the

drive pawl or spring if damaged.

Replacing the drive

pawls

Fit the piston stop, No. 504 91 06-05 in

the spark plug hole and loosen the nut

holding the drive cup.

Replacing the drive

pawls

Dismantle the drive cup.

Fit the starter handle as described in

the Workshop Manual.

Tension the return spring. Pull out the

starter cord completely and lift it up

through the cut-out in the starter pulley.

Now turn the starter pulley 6 turns

anticlockwise

Check the spring tension. With the cord

fully extended it should be possible to

turn the starter pulley

at least a further

half turn.

Fit the starter handle.

Tension the return spring.

Check the spring tension.

Fit the starter on the engine body.

Do not forget the guide bushes for the

fuel tank.

Lubricate the axle spindle with a little

grease and fit the starter pulley.

Position the washer and tighten the

bolt.

Fit a new starter cord. Slide it into the

groove on the starter pulley as shown

in the diagram and out through the cord

guide in the starter housing.

Make sure the knot on the end of the

cord is as small as possible!

Fit the starter pulley.

Fit a new starter cord.

NOTE!

A new starter cord can be fitted without

the need of dismantling the starter!

1 Eng, 1-6 98-12-14, 17.065

1 Eng, 1-6 98-12-14, 17.066

Ignitionsystem

Contents

Dismantling 8

Assembly 9

2 Eng, 7-10 98-12-14, 17.067

504 90 00-03

504 90 00-02

Ignitionsystem

The engine is equipped with an electronic ignition

system with no moving parts. Consequently, a

faulty component cannot be repaired, but must be

replaced with a new component.

The ignition spark in an electronic ignition

system has a very short burn time and can

be judged to be weak and is at times difficult

to see when troubleshooting.

Dismantling

To gain access to the ignition system

the following components must be

dismantled:

Cylinder cover, guard over the muffler,

and the spark plug.

Unhook the throttle cable from the

carburettor.

Dismantling

Dismantle the cylinder cover, the guard

over the muffler and the spark plug.

Unhook the throttle cable and remove

the bolts holding the clutch cover.

Remove the remaining bolts (A)

securing the ignition module as well as

the bolts (B) holding the centrifugal

clutch.

Lift off the clutch and ignition module.

Dismantle the ignition module and the

centrifugal clutch.

Remove the three bolts holding the

clutch cover.

Remove the complete clutch cover with

the shaft from the engine.

Loosen both the short-circuiting cable

lugs from the ignition module.

Remove the clutch cover and loosen

the short-circuiting cable from the

ignition module.

2 Eng, 7-10 98-12-14, 17.068

504 91 06-05

502 51 49-01

502 51 34-02

Ignitionsystem

Fit the ignition module.

To simplify the adjustment of the spark

gap, do not fit the short-circuiting cables

yet. This should be set to 0.3 mm

between the permanent magnets in the

flywheel and the ignition module.

Now fit the short-circuiting cables and

other components in the reverse order

as stated for dismantling.

NOTE!

Do not forget the rubber bushes

between the clutch cover and fuel tank.

Fit the ignition module and adjust the

spark gap to 0.3 mm.

Assembly

Check that the cast key in the flywheel

and the keyway in the crankshaft are

not damaged.

If the crankshaft has two keyways, the

flywheel should be fitted to the right-

hand keyway seen from the end of the

shaft.

Fit the centrifugal clutch.

NOTE!

Do not forget the washers between the

flywheel and the centrifugal clutch.

Assembly

Check that the key and keyway show

no signs of damaged.

Fit the centrifugal clutch.

NOTE!

Do not forget the washers between the

flywheel and the centrifugal clutch.

Dismantle the flywheel from the

crankshaft using puller No. 502 51 49-01.

Gently hit the puller screw with a

hammer if the flywheel sits hard on the

crankshaft.

Dismantle the flywheel.

Fit the piston stop No. 504 91 06-05 in

the spark plug hole.

Make sure the piston stop is screwed

down to the bottom.

Remove the nut holding the flywheel.

Fit the piston stop No. 504 91 06-05

and remove the nut holding the

flywheel.

2 Eng, 7-10 98-12-14, 17.069

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