9. Maintenance
Page 22
EN
Setting the running gap
The running gap must be set correctly;
otherwise, the pump can be damaged.
With your hands or visually, check that the edge of
the bottom running wheel is at the same height as
the edge of the bottom chamber opening. If
necessary, correct the position of the shaft.
The running gap is set correctly if no difference can
be felt/seen between the edge of the bottom running
wheel and the edge of the bottom chamber opening.
Tightening the clamp coupling
Once the running gap has been set correctly, you can
attach the shaft to the clamp coupling again. To do
so, tighten the cylinder head screw.
You must make sure that the clamping
surfaces on the shaft and coupling are
grease*free and clean.
Mounting the pump
Following the repair work, mount the pump as
described in "Assembly instructions" (page 12).
Table 2.
Assembly torques
Part
Wrench/Allen
key
Torque in
Nm
Cylinder head screw
(3)
5
18.0
Pump shaft (4)
A/F 17
20.0
Tie rod (9)
A/F 13
12.0
