Maintenance Chart
46--022
Page 4 of 9
8 — 70
WK46_022_1301GB
1
2
3
3
3
Item
Designation
1
Delivery piston
2
Spacer flange
3
Hexagon head bolts with securing wire
Remove the securing wire and the hexagon head bolts (3) from
the spacer flange (2).
Remove the spacer flange. Put the spacer flange in a safe
place to protect it from damage.
Screw the auxiliary screws approx. 3 revolutions into the face
of the delivery piston (1).
Set a crowbar against the auxiliary screws and lever the deli-
very piston out.
Clean the end face of the piston rod flange.
Thoroughly clean the inlet of the delivery cylinder.
Check the delivery piston for wear.
Notes
The delivery piston must be replaced if there are scores on it or if it
has one-sided wear.
