Stihl FS 94 Instruction Manual page 10

Condition
Starter rope is difficult to pull or
rewinds very slowly
Series 4149 Powerhead
Cause
Starter mechanism is very dirty
ErgoStart spring in rope rotor
fatigued
At very low outside temperatures:
Lubricating oil on rewind spring
becomes viscous (spring windings
stick together) or moisture has got
onto the rewind spring (spring
windings frozen together)
Remedy
Thoroughly clean complete starter
mechanism
Replace ErgoStart spring, check
carrier and rope rotor, replace if
necessary
Coat rewind spring with a small
amount of standard solvent-based
degreasant (containing no
chlorinated or halogenated
hydrocarbons), then pull rope
carefully several times until normal
action is restored
9