WIKA CPB3800 - Handbuch (Seite 26)

26 WIKA operating instructions model CPB3800
14062232.03 12/2013 GB/D
GB
6. Commissioning, operation
Piston head
Overhang
Main body
6.4 Assembly of piston unit
The piston unit of the CPB3800 has its own transportation box that should be used for
storing the unit when not in operation, and if the customer ever has to send the unit
back for recalibration. The following details show how the piston is to be assembled/
disassembled to the main body.
1. Unscrew the knurled retaining cap from the main body.
2. Place the piston head on a flat surface, with the piston facing vertically.
3. Fit the knurled retaining cap to the piston via the eccentric hole.
4. Place the main piston body with the external thread in a vertical position.
5. Lubricate the piston with the pressure medium, and insert the piston into the cylinder
in the main body in a vertical direction only.
WARNING!
Do not apply any transverse force. Excess force is not required.
6. Tighten the knurled retaining cap to the main body.
7. Lift the piston head until it engages against its internal stop. This movement should
be free.