12
2.3,,2 Chain Brake
Detaching
the
tension
spring
The clutch drum must be removed
before the brake band can be disas-
sembled"
To
do this, engage the
chain brake and detach the tension
spring" Remove retaining washer
from brake
lever's
pivot pin and
carefully withdraw the brake lever"
Collect
the washers and helical
spring on the brake
band's
pivot pin"
The other end of the brake band can
now be prised out
of
its seat in the
crankcase"
Take out the
clutch before removing
the
release plate" Remove the re-
taining washers, washers and
heli-
cal
springs from the guide pins and
take the
release plate out of the
crankcase"
Unscrew the handguard (the chee-
se-head screws
will be difficult to
remove because they are fitted with
LOCTITE) and then take out the
actuating
lever, relay lever and tor-
sion spring"
Top:
Removing retaining
washer
Center
and
Bottom:
Unscrewing
the
handguard
The spring guide pins in the crank-
case must be
replaced if they are
damaged"
These screw pins
must
be bonded
in position to prevent them
loose-
ning in operation"
To
do this, use a
suitable solution (trichlorethlene,
diluted
nitro or similar) to
complete-
ly degrease the threads
in
the crank-
case and on the pins
themselves,
Then coat the threads of the screw
pins with a
little adhesive -
101,
part
number
0786
111
1101,
(LOCTITE
242) - and screw them into the
crankcase, Tighten to a torque of
4,,9
Nm (0.5 kpm).
It is essential to use a suitable
screwdriver with a tip which fits
snugly in the slot of the pin in order
to avoid damaging the pin materiaL
A 1 x 6.5 screwdriver in accordance
with
DIN 5265 is recommended for
this purpose"
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