Troubleshooting Diagram - Husqvarna 555 Workshop Manual

8.7 Troubleshooting diagram

Starter rope
does not retract
Start rope stuck
No
resistance when
pulling the rope
Impossible to
activate choke/
start switch
1540 - 001 -
Defect
starter housing
Sticking starter
housing
Engine will not
rotate
Defect hook/pawl in
starter housing
Flywheel is loose
Piston ring is stuck
Stop lever/start
switch
incorrect mounted
Choke valve
incorrect position
Perform "Cleaning and inspec-
tion" of starter housing
(see separate instr.)
Defect starter housing
Check air gap between
flywheel and ignition module
Check main bearings
Check cylinder and piston
Perform "Cleaning and inspec-
tion" of starter housing
(see separate instr.)
Check the key on flywheel and
make sure that the flywheel is
tightened with the correct torque
Check piston ring function
Check installation of stop lever/
start switch
Check position of choke valve
Change part or entire
starter if needed.
Change part or entire
starter if needed.
Change part if needed.
Change part if needed.
Change part if needed.
Change part if needed.
Tighten/change if
needed.
Change part if needed.
Correct if needed
Correct choke valve/
replace
carburettor
Troubleshooting - 61