Chain Brake Assembly - Stihl 28 Service Manual

2..4
Assembly
24..1 Chain brake
Top:
Torsion spring and relay lever in position
Bottom:
Actuating lever fitted
First fit the relay lever, actuating
lever and handguard. The ends of
the torsion spring must engage in
the hole in the crankcase and the
actuating lever . . The M 5 x12 cheese-
head screws must be secured with
LOCTITE.
Now fit release plate in crankcase
so that its slots locate overthe guide
pins . . Fit washer, helical spring, wa-
sher and retaining washer on the
guide pins in that order . . Locate bent
Seat for brake band
end of brake band in its seat in the
crankcase and insert pivot pin of
brake lever in the loop of the brake
band . . Fit washer, helical spring and
washer on the pivot pin of the brake
lever . . Push lever onto pivot pin and
locate pin in slot of release plate at
the same time. Now secure brake
lever with retaining washer and at-
tach the tension spring using the
special assembly tool.
Top:
Brake band and brake lever in position
Center:
Special assembly tool
11178900900
Bottom:
Attaching the tension spring
13