Removing And Installing The Oil Pump - Stihl 034 Series User Manual

11.4

Removing and Installing the Oil Pump

– Remove the brake band -
4.4.1 and 4.5.1.
– Remove the clutch - see
Rotate the worm and drive spring
clockwise and pull them off the
crankshaft stub.
Take out the oil pump mounting
screws.
034, 036, 036 QS
see
4.3.
Carefully pry the oil pump off its
seat and lift it away.
1
2
Pull the ring (1) off the crankshaft
stub and remove the washer (2).
Note:
To remove the oil delivery hose it is
necessary to pry the sleeve out of
the bar mounting flange. The hose
is damaged in this process and
must be replaced.
1
A new oil pump version is installed
from machine serial number
X 20 239 583. This new oil
pump can also be installed in older
machines.
The adjustment range of the oil
quantity control bolt (1) between
minimum and maximum oil flow
has been reduced from 720
degrees (2 turns) to 90 degrees
(1/4 turn).
Setting the oil pump to the
E matic position "E " is the most
economic position under normal
operating conditions using a
STIHL E matic guide bar.
57