Clutch - Husqvarna K 1260 Workshop Manual

15
≥ .04 in.
≥ 1.0 mm
26–30 lbf·ft/35–40 Nm
41

CLUTCH

Dismantling
Dismantle the cutting head, the
rear belt guard, the air filter
cover, and the filter base.
Fit the piston stop
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. 3100 rpm
The clutch must be rectified if the blade starts to rotate at an engine speed
below 3100 rpm.
Clutch shoes
≤ 3.34 in.
The height of the clutch shoe's bevelled section should not be less than .04 in.
≤ 84.8 mm
/1 mm. Replace if necessary for the complete clutch. Never replace individual
shoes from another clutch – this creates imbalance.
Clutch drum
The inside diameter of the clutch drum must not exceed 3.34 in./84..8 mm.
Replace if necessary with a new clutch drum.
Assembly
Tightening torque
26–30 lbf·ft/35–40 Nm
For reasons of safety it is impor-
tant that the clutch is assembled
with the right tightening torque.
Use a torque wrench.
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".
Remove the clutch
When the clutch has been removed the clutch
drum can be pulled off the axle.
Note the spacer sleeve located between the
belt pulley and crankcase.
Assembly
Piston stop
Lock the crankshaft's travel using the
piston stop 504 91 06-05 instead of the
spark plug.
Tightening torque
26–30 lbf·ft/35–40 Nm
For reasons of safety it is important that
the clutch is assembled with the right
tightening torque. Use a torque wrench.