36
FS 240 C, FS 260 C, FS 360 C, FS 410 C, FS 460 C-M
Starter-side half of the crankcase
:
Carefully drive the oil seal out
with a punch
– Examine and clean the
crankcase, replace if necessary.
– Replace ball bearings if the
crankcase is in good condition
– Heat the area around the bearing
seat to approx. 120 °C (250 °F)
The bearing (1) drops out on its own
when this temperature is reached.
5904RA081 TG
5904RA082 TG
1
Installation
– Heat the area around the bearing
seat to approx. 120 °C (250 °F)
:
Press the ball bearing (1)
home as far as possible
The ball bearing must be fitted
rapidly, as it absorbs heat and
expands.
– Check that the ball bearing is
seated properly, if necessary, use
press arbor
4119 893 7200 to press the ball
bearing fully home
– Install crankshaft,
– Install the oil seals.
– Reassemble remaining parts in
reverse order
5.7
Piston
– Remove the cylinder,
The assembly drift can be inserted
through the fitted snap ring, thus
only one snap ring must be
removed.
5904RA083 TG
1
:
Use a suitable tool to pry the
hookless snap ring out at the
recess (arrow)
:
Push the assembly drift (1)
1110 893 4700 stub end first
through the installed snap ring
and press the piston pin (2) out of
the piston
If the piston pin is stuck, tap the end
of the drift
gently
with a hammer to
loosen it.
The piston must be held steady
during this process to ensure that
jolts are not transmitted to the
connecting rod.
– Remove the piston
– Examine the piston rings and
replace if necessary,
5904RA084 TG
5904RA085 TG
1
2