Burkert Type 2051 - Manual (Page 18)

18
Maintenance, Troubleshooting
removal procedure 10.3.1.
If the actuator has to be removed for maintenance, first
remove the actuator from the fitting.
noTe!
Before removal, ensure that:
The actuator is not under pressure and that the springs are in •
the end position,
The connections 2 and 4 are not under pressure and are free
•
from any accessories or devices.
if the actuator is single-acting, ensure that:
The actuator is in the home position and that the pistons are all •
the way in.
removing position indicator and graduated ring (pos. 19, 19.0,
19.1):
39 19
Removing position indicator Fig. 7:
Remove screw (Pos. 39) if fitted
→
,
Remove position indicator (Pos. 19
→
or 19.1) from shaft end. If
required, use a screwdriver as a lever,
Remove graduated ring (Pos. 19.0) from housing.
→
If required, use
a screwdriver as a lever.
removing the adjusting screws (pos. 02):
02
Removing the adjusting screws Fig. 8:
Remove adjusting screws together with nuts (Pos. 04) and washers
→
(Pos. 03),
Remove seals (Pos. 11) from the adjusting screws and dispose of
→
(if all sealing rings are replaced).
english
Type 2051