Stihl MS 240

83MS 240, MS 260, MS 260 C
– Line up the oil pump so that the
intake stub points toward the oil
suction hose (arrow).
: Push the oil delivery hose (1) on
to the stub.
– Place the oil pump (1) in position.
: Insert screws (arrows) and
tighten them down firmly.
: Fit the washer (1) and ring (2).
Only on adjustable oil pump.
165RA318 TG
1
165RA319 TG
1
165RA320 TG
1
2
: Push the worm (1) into the oil
pump.
: Fit the cover washer (1) so that
the word "TOP" (arrow) faces
outwards.
– Reassemble all other parts in the
reverse sequence.
– Tightening torques, b 3.5
– Check adjustment of oil pump
and readjust if necessary,
b 13.5
165RA321 TG
1
TOP
165RA021 TG
1
13.6 Valve
A valve is installed in the tank wall to
keep internal tank pressure equal to
atmospheric pressure. The valve
must be replaced if it is faulty.
– Remove the sprocket cover and
cutting attachment, b 5
– Open the oil tank cap and drain
the oil tank.
– Collect chain oil in a clean
container, b 1
: Use a 6 mm drift to carefully
drive the valve out of its seat in
the housing and into the oil tank.
: Remove the old valve (1) from
the oil tank.
165RA322 TG
1
165RA323 TG