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Burkert Type 2051 User Manual

Page 22

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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:).

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Type 2051