Burkert Type 2051 Manuel D'utilisation page 22

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
22
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Type 2051
Maintenance,Troubleshooting
Installing the covers (Pos. 30):
Side B
Fig. 16: Installation of the covers
→
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:).
Side A
Side B
Side A