Samson 3277 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

32 EB 8310-5 ENOperationhandwheel, the upper spring range valuemust not exceed 3.1 bar.If you want to fit a handwheel to an actuator,contact SAMSON's After-sales Service de-partment.6.6.1 Extending the actuatorstem manually1. Loosen the lock nut (A66) to unlock thehandwheel (A60).2. Turn the handwheel clockwise to extendthe actuator stem.3. To change from manual to automatic op-eration, put the handwheel into the neu-tral position by aligning the pointer(A55) with the groove on the stem con-nector (A51).4. Tighten the lock nut (A66) to lock thehandwheel.6.6.2 Retracting the actuatorstem manually1. Loosen the lock nut (A66) to unlock thehandwheel (A60).2. Turn the handwheel counterclockwise toretract the actuator stem.3. To change from manual to automatic op-eration, put the handwheel into the neu-tral position by aligning the pointer(A55) with the groove on the stem con-nector (A51).4. Tighten the lock nut (A66) to lock thehandwheel.6.7 Travel stopIn the version with travel stop, the maximumand minimum actuator travel can be limitedas follows:ActuatorareaDirectionof actionMin. stopin %Max. stopin %175 cm²Stem ex-tends (FA) 0 to 85 0 to 125Stem re-tracts (FE) 0 to 85 0 to 100750 cm²Stem ex-tends (FA) 0 to 125 0 to 125Stem re-tracts (FE) 0 to 100 0 to 1006.7.1 Bottom travel stop(minimum travel)1. Loosen lock nut (A78) and remove cover(A73).2. Loosen top lock nut (A70).3. Move actuator to the required position ofminimum travel.4. Screw the bottom lock nut (A70) on asfar as it will go and lock this positionwith the top lock nut (A70).5. Attach the cover (A73) and retighten thelock nut (A78).Note