Wika CPB5000HP Manuel d'utilisateur télécharger pdf (Page 21)

Pressure Balance High-Pressure GB

CPB 5000 HP

WIKA Operating Instructions Pressure Balance High-Pressure Version 2.3

V. Slow lowering of the piston in equilibrium

 Leak in the system, see fault III.

 After the clamping of the piston/cylinder

system and the test specimen, air may be

trapped in the system.

 Afterwards, build the pressure back up.

VI. Piston is not turning or does not respond

readily

 Attention: If the piston is not turning

easily or "squeaks", do not under any

circumstances force it to turn. Doing so

could cause lasting damage that would

seriously affect measurement properties.

 The piston/cylinder system must be

reconditioned by authorised specialists

(see section 5.1.1)

Further help can be found through WIKA's Calibration Technology Department.

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Wika CPB5000HP Manuel d'utilisateur Page 21