Burkert Type 2051 - Manual (Page 22)

22
Maintenance, Troubleshooting
Fig. 14: Housing clockwise
Insert both pistons (Pos. 40) simultaneously into the housing (Pos.
→
50) and press in until the pistons engage, then rotate the housing
anti-clockwise until the stroke is complete,
When the pistons have moved completely together, ensure that
→
the obtained rotation with reference to the axis of the housing is
slightly more than 0° and that dimension A is the same on both
sides (see
Fig. 15:).
Fig. 15: Checking dimension A
installing the covers (pos. 30):
Side A
Side B
Side A Side B
Installation of the covers Fig. 16:
Grease the housing,
→
For single-acting actuators, insert the springs into the cover
→
according to the required configuration,
Insert cover seal (Pos. 14) into the groove,
→
Place the covers on the housing (Pos. 50) and check whether the
→
O-rings stay in the groove,
Insert the cover screws (Pos. 13) and tighten according to the
→
sequence (see Fig. 9:).
english
Type 2051