Piston Rings; Removing The Crankshaft - Stihl MS 460 Service Manual

6.6

Piston Rings

– Remove the piston, b 6.5.1
– Remove the rings from the
piston.
: Use a piece of old piston ring to
scrape the grooves clean.
: Install the new piston rings in the
grooves so that the radii at the
ends of the rings face upward.
– Install the piston, b 6.5.2
36
6.7 Crankcase
6.7.1

Removing the Crankshaft

– Remove the brake band,
b 5.4.2
– Remove the chain catcher,
b 5.2
– Remove the flywheel, b 7.3
– Remove the cylinder, b 6.5.1
– Drain the oil tank.
– Drain the fuel tank.
Dispose of fuels and lubricants
properly in accordance with local
environmental requirements.
: Pull the worm with drive spring
(arrow) out of the oil pump and off
the crankshaft.
: Take out the screws (arrows).
– Remove the oil pump.
: Take the sealing ring (arrow) out
of the housing bore.
– Remove the piston, b 6.5.1
– Remove the ignition module, b
7.1.2
– Remove the oil seals,
b 6.3
– On machines with heated
handles, remove the generator,
b 14.5
– Remove the piston, b 6.5.2
MS 460, MS 460 C