7-4. Main Parts to be Replaced
Parts of this actuator can be used for a long period of time, but the following parts should be
replaced at every periodic inspection.
• Tape liner: Every five years
• Bushing: Every five years
• Wear ring: Every five years
• Sealing washer: Every five years
• Dust seal: Every five years (and whenever disassembling)
• Rod seal: Every five years (and whenever disassembling)
• O-ring: Every five years (and whenever disassembling)
Tightening torque for the actuator
The tightening torque for the actuator is shown below. Please also refer to
“Figure 7-8.
Tightening torque for the actuator”.
Table 7-2.
Key No. Size Tightening torque (N·m)
(1) M14 80 to 120
(2) M20 270 to 365
(3) M24 305 to 415
(4) M14 80 to 120
(5) M12 50 to 60
(1)
(2)
(3)
(4)
(5)
Figure 7-8. Tightening torque for the actuator
7-12