Charts; Clutch; Bearing With Guard; Engine - Stihl Cutquik TS 460 Service Manual

STIHL TS 460
2. TROUBLESHOOTING

CHARTS

2.1

Clutch,

Bearing with Guard

Condition
Insufficient frictional contact -
clutch slips
Cutting wheel rotates
while engine is idling
Cutting wheel does not
rotate at full throttle
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
Engine does not start easily, stalls
at idle speed, but operates normally
at full throttle
Engine does not deliver full power
or runs erratically
Engine overheating
Cause
Clutch springs stretched or fatigued,
spring hooks broken
Engine idle speed too high
Clutch springs stretched or fatigued,
spring hooks broken
Small V-belt not tensioned
Clamp damaged
Small V-belt torn
Cause
Oil seals in crankcase damaged
Gaskets on spacer flange leaking
Cylinder base gasket leaking
Crankcase damaged (cracks)
Secondary air seepage through
faulty gasket on spacer flange
Piston rings worn or broken
Muffler carbonized
Insufficient cylinder
cooling due to dirty
cooling fins
Remedy
Fit new springs
Correct at idle speed adjusting
screw
Fit new springs
Tension small V-belt
Replace clamp
Replace small V-belt
Remedy
Replace oils seals
Fit new gaskets
Replace gasket
Replace crankcase
Replace gaskets
Fit new piston rings
Clean the muffler (inlet and
exhaust), fit new spark arresting
screen
Thoroughly clean cylinder
cooling fins
7