Burkert Type 2051 Manuel D'utilisation page 20

Removing the pistons (Pos. 40):
Fig. 10: Removing the pistons
WARNING!
Risk of injury due to bullet effect!
• Do not use compressed air to remove the pistons.
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Secure the housing (Pos. 50) with a vice or similar device,
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Rotate the shaft until the pistons are released,
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Remove the O-rings (Pos. 16) using a screwdriver,
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Remove the piston guide jaws (Pos. 05) and the piston guide
belts (Pos. 15),
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Dispose of the belts and jaws.
20
english
Type 2051
Maintenance,Troubleshooting
Removing the shaft (Pos. 60):
Fig. 11: Removing the shaft
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Carefully remove graduated collar using a screwdriver and remove
the circlip using circlip pliers,
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Remove washer and the outer thrust washer,
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Apply light pressure to the upper side of the shaft (Pos. 60) until
the inner thrust washer (Pos. 08) and the cams can be removed,
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Remove the shaft from the housing. If the shaft does not come out
freely, carefully tap the upper shaft end using a plastic hammer,
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Remove the upper (Pos. 06) and lower (Pos. 07) shaft bearing
bushes and upper (Pos. 20) and lower (Pos. 21) shaft seals,
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Dispose of and replace the sockets (Pos. 06 and 07), inner and
outer thrust washers and sealing rings (if required, also replace
the plugs (Pos. 09)).
All removed components which are not replaced must be
cleaned and checked for wear before re-installation.