12
- 93 -
951-180-076-EN
Version 0y
EN
12. R
epairs
12.2 Installing a pump element
The number of pump elements can also be
changed later. Internal threads for installing
pump elements have to be sealed off with
screw plugs M 20 x 1.5 (see 14.3
Accessories) if not in use.
)
See Figures 32 to 34
• Turn off pump unit.
• Loosen and remove screw plug.
)
See Figure 31
• On o cleon surfoce
, disassemble the
pump element that you wish to install
into its individual components: delivery
piston (
1
), screw-in cylinder (
2
), screw
socket (
3
), ring piece with check valve
(
4
), cap nut (
5
), and pressure regulating
valve (
6
).
• Fill the cylinder chamber of the screw-in
cylinder (
2
) with clean grease
Pump elements must not be con-
nected to the connection for the
lubrication line.
Front part of pump element
1
2
3
4
6
5
Fitting mandrel
The specified torques must be observed during
assembly and repair.
Pump elements
2
Screw-in cylinder
35 Nm
+2 Nm
3
Screw socket
35 Nm
5
Cap nut
60 Nm
Fig.31
Sectionol view of puvp elevent
