Samson 3277 Mounting And Operating Instructions page 9

Neutral position
Pointer points to groove
in coupling (22)
23
26
25
12
5
27
8
12
10
Fig. 5 · Type 3277 Actuator with additional handwheel
Reversing the operating direction (fail-safe action)
17
20
21
22
24
13
15
3
4
6
9
6.1
7
11
12.1
13
2 Actuator stem
3 Vent plug
4 Loading press. connection
5 Top diaphragm case
6 Springs
6.1 Additional springs
7 Diaphragm plate
8 Diaphragm
9 Nuts and bolts
10 Bottom diaphragm case
11 Loading press. connection
15 Ring nut
12 Stem seal
12.1 Dry bearing
13 Wiper
17 Handwheel
20 Lock nut
21 Flange part
22 Coupling
23 Clamping sleeve
24 Ring
25 Coupling nut
26 Threaded pin
27 Spindle with nut
EB 8311 EN
9