GEA VARIVENT X R Series, Operating Instructions Manual

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9 Maintenance
9.1 Carrying out inspections 47
9.1.1 Checking seals that come into contact with the product 47
9.1.2 Checking the pneumatic connection 47
9.1.3 Checking the electrical connection 48
9.1.4 Checking the signs on the valve 48
9.2 Servicing intervals 48
9.3 List of tools 48
9.4 Prior to removal 50
9.5 Removing the valve 50
9.5.1 Removing the clamp connection between the housing and lantern
50
9.5.2 Removing the control top 57
9.5.3 Remove connection 0 59
9.5.4 Remove INI holder 60
9.5.5 Disconnecting the valve insert from the housing 60
9.5.6 Dismantling the valve insert into individual parts 62
9.5.7 Dismantling of the housing combination 64
9.6 Installing the valve 64
9.6.1 Tightening torques 64
9.6.2 Assembling the valve insert from individual parts 65
9.6.3 Assembly of the housing combination 68
9.6.4 Placing the valve insert in the housing 69
9.6.5 Mounting the control top 69
9.6.6 Mounting connection 0 71
9.6.7 Mount INI holder 72
9.6.8 Mounting the clamp connection between the housing and lantern
72
9.6.9 Checking the function 80
9.7 Maintenance 81
9.7.1 Cleaning the valve 81
9.7.2 Replacing the V-ring 82
9.7.3 Replacing the V-ring RA on the valve disk 84
9.7.4 Lubricating seals and threads 87
10 Faults
11 Decommissioning, dismantling and disposal
11.1 Decommissioning 91
11.2 Dismantling 91
11.3 Disposal 91
12 Spare parts
12.1 Order information 93
12.2 Spare parts lists 94
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