Stihl MS 240 Instruction Manual page 114

Component
Generator
Circuit diagram
Carburetor and handle heating
system
G
Handle heating system
G
MS 240, MS 260, MS 260 C
Ohmmeter connection
(use either test lead)
Lead 1 Lead 2
Connector Ground
on
generator
wire
1 4
2
5
3
1
2
3
Resistance Ω
If faulty
Spec. Actual Cause
0.6 0.5 - 1 Generator OK
- Break in wire,
generator damaged
0 Short circuit –
damaged insulation
G Generator
1 Handlebar
2 Rear handle
3 Heater switch
4 Heating element (carburetor)
5 Thermostatic switch
G Generator
1 Handlebar
2 Rear handle
3 Heater switch
Remedy
Install new
generator
Repair insulation
113