Samson DF250 Serie Guía De Servicio Técnico Y Mantenimiento página 12

Remove the side cover on the right of the fluid inlet as shown in the figure,
following the procedure to "Replace diaphragms".
Once the shaft is visible, use the following procedures:
1. Remove the shaft from its housing by pulling it from one end.
The Teflon sleeve is threaded into the body. To remove use snap ring
®
pliers in the two holes indicated in the figure.
2. Once the cap has been removed, remove the quad ring inside the
pump body.
3. Replace the kit following the correct order shown in the assembly
drawing.
Reassemble the pump in reverse order.
12
855 829 R. 10/16
Samson Corporation • One Samson Way • N.C. 28778 Swannanoa USA • Phone (828) 686-8511 • Fax (828) 686-8533
Repair and maintenance procedures
Pushing rod
When reassembling the diaphragm lid with its nuts, please follow the
torque sequence as shown in the picture. It is crucial to not use the
required torque values until the diaphragm lid is fully approximated to the
central body using the screws.
2
1
Tightening sequence
1
10
8 3
5
6
7
4
2 9