Stihl BT 45 Manual

8 BT 45
4.2 Rewind Starter
Condition Cause Remedy
Starter rope broken Rope pulled out too vigorously as
far as stop or over edge, i.e. not
vertically
Fit new starter rope
Normal wear Fit new starter rope
Rewind spring broken Spring overtensioned – no reserve
when rope is fully extended
Fit new rewind spring
Very dirty or corroded Fit new rewind spring
Starter rope can be pulled out
almost without resistance
(crankshaft does not turn)
Guide peg on pawl or pawl itself
is worn
Fit new pawl
Spring clip fatigued Fit new spring clip
Starter rope is difficult to pull and
rewinds very slowly
Starter mechanism very dirty
(dusty conditions)
Thoroughly clean complete starter
mechanism
Lubricating oil on rewind spring
becomes viscous at very low
outside temperatures (spring
windings stick together)
Coat rewind spring with a standard
solvent-based degreasant
(containing no chlorinated or
halogenated hydrocarbons). Then
pull rope carefully several times
until normal action is restored

Stihl BT 45 Specifications

General

Engine Type	2-stroke
Displacement	27.2 cc
Power Output	0.9 kW (1.2 hp)
Weight	5.2 kg
Power Source	Gasoline
No-Load Speed	0 - 300 rpm