Jonsered CS 2166 Workshop Manual page 23

Cleaning and inspection
Clean all components and check the following:
1. Lining thickness on the clutch shoes should not be
less than 3 mm in the most worn area. See fig. 5. In
order to avoid imbalance, all clutch shoes should
be replaced at the same time.
2. Play between the clutch shoes and the clutch hub
should not be excessive.
3. The chain drive-wheel is not worn.
4. The needle roller bearing is in good condition and
the bearing surface on the crankshaft is not damaged.
5. The clutch drum friction surface and bearing surface
are undamaged.
Reassembly
During reassembly of the centrifugal clutch, the chain
brake should be in the off position.
NOTE!
The clutch springs should not be opened out
more than necessary. Risk of deformation.
1. Locate the clutch shoes on the hub and fit the
springs with the help of circlip pliers. See fig. 4.
2. Screw the clutch hub onto the crankshaft and tighten
with the clutch tool. Note - left-hand thread. See fig. 6.
3. Remove the piston stop and replace the spark plug
and HT lead.
4. Fit the clutch drum (C) together with the needle roller
bearing (D) and chain drive-wheel (E). Grease the
needle roller bearing before assembly. See fig. 2.
5. Fit the washer and circlip (B). See fig. 2.
6. Refit the cylinder cover, chain and guide bar.
CENTRIFUGAL CLUTCH
Fig. 5
Fig. 6
min 3 mm
English – 23