STIHL TS 460 72
10.7 Fuel Pickup Body
Turn the high speed adjusting
screw (H) and low speed adjusting
screw (L) clockwise for leaner
mixture at high altitudes or
counterclockwise for richer mixture
at sea level. Turn screws very
slowly and carefully - even slight
adjustments produce a noticable
change in engine running behavior.
Adjusting engine idle speed
Cutting wheel rotates while
engine is idling
Turn the idle speed adjusting
screw (LA) counterclockwise until
the cutting wheel stops rotating.
Engine stops while idling
Turn the idle speed adjusting
screw (LA) clockwise until the
engine runs smoothly.
Erratic idling behavior, poor
acceleration
Idle setting too lean. Turn the low
speed adjusting screw (L)
counterclockwise until the engine
runs and accelerates smoothly.
Exhaust smokes at idle speed
Idle setting too rich. Turn the low
speed adjusting screw (L)
clockwise until the engine speed
drops - and then turn it back
stepwise until the engine
accelerates smoothly when the
throttle is opened.
Fuel filler ca
- Carefully screw in both
adjusting screws clockwise
until they are hard against
their seats.
Now make the following
adjustments:
H = High speed adjusting screw
backed off 1 full turn
L = Low speed adjusting screw
backed off 1 full turn
When used at high altidudes
(mountains) or near sea level, a
minor correction may be
necessary.
- Check the air filter and clean it
if necessary.
- Adjust idle speed correctly
(cutting wheel must not rotate).
- Start the engine.
- Warm up the machine.
The diaphragm pump draws fuel
out of the tank and into the
carburetor via the fuel hose. Any
impurities mixed with the fuel are
retained by the pickup body (filter).
The fine pores of the filter
eventually become clogged with
minute particles of dirt. This
restricts the passage of fuel and
results in fuel starvation.
Important: In the event of trouble
with the fuel supply system,
always check the fuel tank and
pickup body first. Clean the fuel
tank if necessary.
Cleaning the fuel tank:
- Unscrew the filler cap and
drain the tank.
- Pour a small amount of clean
gasoline into the tank.
- Close the tank and shake the
Cutquik vigorously.
- Open the tank again and drain
it.
Adjusting screws on carburetor
1 = High speed adjusting screw
2 = Low speed adjusting screw
3 = Idle speed adjusting screw