Samson 3271 Mounting And Operating Instructions

Also see for 3271: Mounting and operating instructions Mounting and operating instructions Mounting and operating instructions Mounting and operating instructions Manual

EB 8310-6 EN 41ServicingMake sure that the sealing elements arenot damaged.13. Place the springs (A10) into the bottomdiaphragm case, centering them in theintended recesses.14. Place on the top diaphragm case (A1).15. If necessary, preload the springs (seesection 5.2).16. Fasten the top and bottom diaphragmcases (A1, A2) together using the nuts(A21) and bolts (A20). Observe tighten-ing torques.17. Mount the actuator on the valve (see sec-tion 5.1).Version with direction of action "actuatorstem retracts" (FE)1. Lift the actuator off the valve. See sec-tion 9.2.2. Unscrew the nuts (A21) and bolts (A20)on the diaphragm case.3. Lift off the top diaphragm case (A1).4. Pull the diaphragm plate assembly con-sisting of the diaphragm plate (A5), dia-phragm (A4), and actuator stem (A7) outof the actuator.5. Take the springs (A10) out of the bottomdiaphragm case (A2).6. Clamp the bottom section of the actuatorstem (A7) into a vise using protectivejaws. Make sure that the actuator stem isnot damaged.7. 240 cm²: undo the latch of the hoseclamp (A6). Take the hose clamp (A6)and diaphragm (A4) off the diaphragmplate (A5).350 and 700 cm²: undo the latch of thehose clamp (A6). Take the compressor(A19), hose clamp (A6), and diaphragm(A4) off the diaphragm plate (A5).8. Mount the new diaphragm (A4). Makesure the diaphragm is correctly alignedwith the diaphragm plate. The imaginaryline through two opposing recesses forsprings on the diaphragm plate must beA4 DiaphragmA5 Diaphragm plateA6 Hose clampA7 Actuator stemA9 Hexagon nutA15 Collar nutA19 Compressor on the hoseclamp (A6)A6A19A4 A15A5A9A7Fig. 13: Arrangement of parts for "stem retracts" direction of action