
Pressure Balance High-Pressure GB
CPB 5000 HP
WIKA Operating Instructions Pressure Balance High-Pressure Version 2.3
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1. General . .......................................................................................................................................... 4
1.1 General Instructions . ................................................................................................................... 4
1.2 Safety Instructions . ................................................................................................................... 5
2. Product Description . ..................................................................................................................... 6
2.1 General Product Information.............................................................................................................6
2.2 Basic principle of the Pressure Balance............................................................................................7
2.3 Factors at work . ................................................................................................................... 7
2.3.1 Local fluctuations in the gravity-value . .................................................................................. 7
2.3.2 Temperature (Piston/Cylinder) . ............................................................................................... 8
2.3.3 Ambient conditions . ................................................................................................................. 8
2.3.4 How the cross-sectional surface responds to pressure . ..................................................... 9
2.4 Arrangement of control elements....................................................................................................10
3. Commissioning and Operation . ................................................................................................. 11
3.1 Preparation . ................................................................................................................. 11
3.1.1 Setting up the Device . ............................................................................................................ 11
3.1.2 Installing the piston cylinder system . .................................................................................. 12
3.1.3 Connecting the test specimen . ............................................................................................. 13
3.1.4 Venting the System . ............................................................................................................... 14
3.2 Operation . ................................................................................................................. 15
3.2.1 Weight Pieces . ........................................................................................................................ 15
3.2.2 Approaching the pressure value (increasing pressure) . .................................................... 16
3.2.3 Pressure stable . ...................................................................................................................... 17
3.2.4 Next pressure level . ................................................................................................................ 17
3.2.5 Approaching the pressure value (decreasing pressure) . ................................................... 18
3.3 Disassembly . ................................................................................................................. 19
3.4 Transport . ................................................................................................................. 19
4. Troubleshooting measures . ....................................................................................................... 20
5. Maintenance and Care . ............................................................................................................... 22
5.1 Cleaning . ................................................................................................................. 22
5.1.1 Piston/Cylinder system . ......................................................................................................... 22
5.1.2 Weight Set . .............................................................................................................................. 22
5.2 Wear Parts . ................................................................................................................. 22
5.3 Changing the Hydraulic Oil..............................................................................................................23
5.3.1 Removing Hydraulic Oil . ........................................................................................................ 23
5.3.2 Filling in of Hydraulic Oil . ...................................................................................................... 23
5.3.3 Venting of the System (after Complete Filling only) . .......................................................... 23
5.4 Recalibration . ................................................................................................................. 24
6. Specifications . ............................................................................................................................. 25
7. Tables of masses . ........................................................................................................................ 27
8. Accessories . ................................................................................................................................ 28
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