Samson 3277-5 - Travel Stop; Bottom Travel Stop (Minimum Travel); Top Travel Stop (Maximum Travel); Version with Handwheel

EB 8310-1 EN 6-3
Start-up
6.2 Travel stop
In the version with travel stop, the maximum
and minimum actuator travel can be limited
(seeFig.6-1).
6.2.1 Bottom travel stop (min-
imum travel)
1. Loosen lock nut (A70) and remove cover
(A73).
2. Unscrew lock nut (A74) and turn the ad-
justment nut (A72) to adjust the travel
stop.
3. Tighten lock nut (A74).
4. Attach the cover (A73) and retighten the
lock nut (A70).
6.2.2 Top travel stop (maximum
travel)
1. Loosen the lock nut (A70).
2. Adjust the cover (A73) to the required
travel stop.
3. Retighten lock nut (A70).
6.3 Version with handwheel
A stem connector (A51) links the handwheel
and actuator stem. The actuator stem posi-
tion can be adjusted using the handwheel
(A60).SeeFig.6-2.
A73
A74
A72
A70
A1
A5
A7
A1 Top diaphragm case
A5 Diaphragm plate
A7 Actuator stem
A70 Lock nut
A72 Adjustment nut
A73 Cover
A74 Lock nut
Left half: Actuator stem retracts (FE)
Right half: Actuator stem extends (FA)
Fig.6-1: Travel stop