Clutch - Husqvarna K 760 Workshop Manual

14
≥ .04 in.
≥ 1.0 mm
41

CLUTCH

Dismantling
Fit the piston stop
Lock the crankshaft's travel with
the piston stop 504 91 06-05.
504 91 06-05
Unscrew the clutch –
clockwise
The clutch has a left-hand thread.
It is marked with the dismant-
ling direction "Off".
Warning!
Never use impact on the puller – this will damage the piston. Even dis-
mantling without the piston stop using a striking tool results in a risk of
damage to the flywheel's locking mechanism (keyway/key).
Wear tolerances
Engagement speed - min. 3,100 rpm
The clutch must be corrected if the cutting blade rotates at engine speeds
below 3,100 rpm.
Clutch shoes
≤ 3.14 in.
The height of the clutch shoes' bevelled section should not be less than 1 mm.
≤ 79.8 mm
Replace if necessary with a complete clutch assembly. Never replace individual
shoes from another clutch as this will create imbalance.
Clutch drum
The inside diameter of the clutch drum must not exceed 79.8 mm. Replace if
necessary with a new clutch drum.
27–32 lbf·ft/37–43 Nm
Dismantling
Dismantle the cutting head, the rear belt
guard, the air filter cover, and the filter
base.
Fit the piston stop
Lock the crankshaft's travel by fitting the
piston stop 504 91 06-05 instead of the
spark plug.
Unscrew the clutch – clockwise
Note that the clutch has a left-hand thread,
thus screw clockwise to dismantle the
clutch. The clutch is marked with the
dismantling direction "Off".
Removing the clutch
When the clutch has been removed the
clutch drum can be pulled off the axle.
Note the washer located between the
clutch and the drum and the washer
against the bearing closest to the crank -
case.
Reassembly
Note that the clutch should be turned
with the low spanner grip towards the
clutch drum.
The clutch should be tightened to a
torque of 27–32 lbf·ft/37–43 Nm.