Adjusting The Travel Stop - Samson 3277 Mounting And Operating Instructions

Adjusting the travel stop

2.2 Adjusting the travel stop
(with Type 3277 in special version only)
The travel stop can be adjusted upwards or
downwards to 50% of the travel.
Downward travel stop
(actuator stem extends)
1. Undo the lock nut (34) and unscrew the
cap (33).
2. Undo the lock nut (31) and adjust the
nut (32) to set required travel stop.
3. Tighten the lock nut (31) again.
Upward travel stop
(actuator stem retracts)
1. Undo the lock nut (34) and adjust the
cap (33) to set the required travel stop.
2. Tighten the lock nut (34) again.
10
EB 8311 EN
Actuator stem
retracts
2 Actuator stem
5 Top diaphragm case
7 Diaphragm plate
31 Lock nut
Fig. 6 ⋅ Travel stop
33
31
32
34
5
7
2
Actuator stem
extends
32 Nut
33 Cap
34 Lock nut