(3)
(2)
(4)
Figure 6-6. Threaded parts to tighten (on PSA1-4 actuators)
Table 6-1. Tightening torque for the actuator
Unit: N·m
Key No. Material PSA1, PSA2 PSA3 PSA4
1 S45C, SK5 M14 45 to 70 M20 151 to 169 M20 151 to 169
2 S30C M12 35 to 50 M16 90 to 120 M16 90 to 120
3 SUS304 M8 15 to 20 M8 15 to 20 M12 50 to 60
4 SUS304 M8 15 to 20 M10 50 to 60 M10 50 to 60
Diaphragm plate
stopper
Air pipe connection port
(upper diaphragm case)
Eyebolt
Air vent hole
(lower diaphragm case)
Figure 6-7. Direct action (PSA1D)
6-7