Husqvarna 343R, 345RX, 343F, 345FX, 345FXT manual Centrifugal clutch, 502 21, Dismantling

Models: 343R, 345RX, 343F, 345FX, 345FXT

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Centrifugal clutch

 

4

Centrifugal clutch

 

 

 

 

 

 

 

The centrifugal clutch has the task of transferring the

Some slipping occurs between the clutch and the

 

power from the engine to the cutting equipment’s drive

clutch drum when accelerating as well as in the

 

axle. As the name implies, it works according to a

reversed situation when the cutting equipment jams.

 

centrifugal principle.

 

Thereby preventing abnormal load changes on the

 

This means the clutch’s friction shoes are thrown out-

crankshaft.

 

The engagement speed has been carefully tested so

 

wards towards the clutch drum at a certain engine speed.

 

When the friction against the drum is sufficiently great it

that the engine can idle without the cutting equip-

 

drives the drive shaft at the same speed as the engine.

ment’s drive shaft rotating.

 

 

 

 

 

 

 

 

Dismantling

Dismantle the cable protector, loosen bolts (A) and (B).

Move the fuel tank so far forward that the fuel hoses (C) and (D) can be removed.

Remove the 4 bolts holding the clutch cover.

Dismantle the vibration dampers for better access.

Dismantling

The clutch is located between the fuel tank and the engine.

In order to be accessible, the tank and handle holder must be moved forward on the shaft.

1.Dismantle the cable protector.

2.Loosen bolts (A) and (B).

3.Move the fuel tank so far forward that the fuel hose (C) becomes accessible.

Move the O-ring back and remove the hose from the nipple.

Also remove the fuel hose (D) from the nipple on the tank.

Move the fuel tank further forward and remove the 4 bolts holding the clutch cover to the engine.

Remove the vibration dampers from their plugs in order to facilitate disman- tling.

502 21 58-01

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Image 33
Husqvarna 343R, 345RX, 343F, 345FX, 345FXT manual Centrifugal clutch, 502 21, Dismantling