Samson 3724 User Manual

Contents
EB 8048-2 EN
7 Operation ..................................................................................................7-1
7.1 Normal operation .......................................................................................7-2
7.2 Manual operation .......................................................................................7-2
7.3 CIP (cleaning-in-place) ................................................................................7-2
7.4 SIP (sterilization-in-place) ............................................................................7-2
8 Malfunctions ..............................................................................................8-1
8.1 Troubleshooting ..........................................................................................8-1
8.2 Emergency action .......................................................................................8-3
9 Servicing....................................................................................................9-1
9.1 Periodic testing ...........................................................................................9-3
9.2 Checking the extent of servicing ...................................................................9-3
9.3 Preparing the valve for service work .............................................................9-4
9.4 Installing the valve after service work ............................................................9-4
9.5 Service work for version with Type3271 or Type3277 Actuator.....................9-4
9.5.1 Replacing the packing (micro-ow valve version only) ....................................9-4
9.5.2 Replacing the diaphragm and plug ..............................................................9-6
9.6 Service work for version with Type3379 Actuator .........................................9-8
9.6.1 Replacing the packing (micro-ow valve version only) ..................................9-10
9.6.2 Replacing the diaphragm and plug ............................................................9-11
9.7 Checking the concentricity of the plug to the plug stem .................................9-12
9.8 Ordering spare parts and operating supplies ..............................................9-13
10 Decommissioning .....................................................................................10-1
11 Removal ..................................................................................................11-1
11.1 Removing the valve from the pipeline ..........................................................11-2
11.2 Removing the actuator from the valve .........................................................11-2
12 Repairs ....................................................................................................12-1
12.1 Returning devices to SAMSON ..................................................................12-1
13 Disposal ...................................................................................................13-1
14 Certicates ...............................................................................................14-1

Samson 3724 Specifications

General

Brand	Samson
Model	3724
Category	Valve Positioners
Language	English