Stihl Cutquik TS 460 - Troubleshooting Charts; Clutch and Bearing Faults; Engine Troubleshooting

STIHL TS 460 7
2. TROUBLESHOOTING
CHARTS
2.1 Clutch,
Bearing with Guard
Condition Cause Remedy
Insufficient frictional contact -
clutch slips
Clutch springs stretched or fatigued,
spring hooks broken
Fit new springs
Cutting wheel rotates
while engine is idling
Engine idle speed too high Correct at idle speed adjusting
screw
Clutch springs stretched or fatigued,
spring hooks broken
Fit new springs
Cutting wheel does not
rotate at full throttle
Small V-belt not tensioned Tension small V-belt
Clamp damaged Replace clamp
Small V-belt torn Replace small V-belt
2.2 Engine
Always check and, if necessary, repair the following parts before looking for faults on the engine:
- Air filter, fuel system, carburetor, ignition system
Condition Cause Remedy
Engine does not start easily, stalls
at idle speed, but operates normally
at full throttle
Oil seals in crankcase damaged Replace oils seals
Gaskets on spacer flange leaking Fit new gaskets
Cylinder base gasket leaking Replace gasket
Crankcase damaged (cracks) Replace crankcase
Engine does not deliver full power
or runs erratically
Secondary air seepage through
faulty gasket on spacer flange
Replace gaskets
Piston rings worn or broken Fit new piston rings
Muffler carbonized Clean the muffler (inlet and
exhaust), fit new spark arresting
screen
Engine overheating Insufficient cylinder Thoroughly clean cylinder
cooling due to dirty cooling fins
cooling fins