
- 92 -
951-180-076-EN
Version 0y
EN
12. R
epairs
12.
Repairs
WARNING
Risk of injury!
At a minimum, the following safety
measures must be taken before any
repairs:
○
Unauthorized persons must be
kept away
Mark and secure the
work area
○
Depressurize the product
○
Unlock the product and prevent it
from being restarted
○
Check to ensure the absence of
voltage
○
Ground and short-circuit the
product
○
Cover any live parts in the sur-
rounding area
12.1 Removing a pump element
• Release the union nut (
1
) on the ring
piece (
2
)
• Remove the lubrication line from the ring
piece (
2
)
• Loosen the cap nut (
5
) and pull off the
ring piece (
2
)
• Loosen and remove the screw socket (
3
)
• Carefully unscrew and remove the
screw-in cylinder (
4
) from the pump
housing
• Tilt the front part of the pump element
about 30° until the delivery piston (
6
) is
no longer held back by the guide ring (
7
)
• Remove the front part of the pump ele-
ment using a circular motion
)
The circular motion prevents the delivery
piston from staying stuck in the grease.
If the delivery piston does become stuck
in the grease, remove it from the pump
housing with tweezers or a magnet.
See Figure 30 and Fig. 31
ø5,9
h11
120
43
ø16
Assevbly occessories -
Fitting mandhel
Used to install a pump element
Order No.
44-1827-2010
Fitting mandrel
Fig.30
Fitting mandhe