Stihl E 140 Service Manual page 23

•
Pull oil pump out of housing.
Note: Make sure the pin does not
fall out of the oil pump.
•
Remove the O-rings.
Install in the reverse sequence.
•
If the pin has fallen out of the oil
pump, refit it with lubricating
grease - see 10.2.
22
- Always use new O-rings.
- Tighten down oil pump mounting
screws to 2.5 Nm (1.8 lbf.ft).
•
Fit the washer in the oil pump.