Burkert Type 2051 - Manual (Page 20)

20
Maintenance, Troubleshooting
removing the pistons (pos. 40):
Removing the pistons Fig. 10:
Warning!
risk of injury due to bullet effect!
D • o not use compressed air to remove the pistons.
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
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belts (Pos. 15),
Dispose of the belts and jaws
→
.
removing the shaft (pos. 60):
Removing the shaft Fig. 11:
Carefully remove graduated collar using a screwdriver and remove
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the circlip using circlip pliers,
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
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inner thrust washer (Pos. 08) and the cams can be removed,
Remove the shaft from the housing. If the shaft does not come out
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freely, carefully tap the upper shaft end using a plastic hammer,
Remove the upper (Pos. 06) and lower (Pos. 07) shaft bearing
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bushes and upper (Pos. 20) and lower (Pos. 21) shaft seals,
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.
english
Type 2051