SERIES 70 ELECTRIC ACTUATOR
Installation, Operation, and Maintenance Manual
31 of 48
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12. To replace the worm shaft spur gear:
a Slide the gear onto the end of the worm shaft
b For Actuator Size E E E
i Slide the gear (-) onto the end of the worm shaft
ii Align the mounting hole on the gear and the shaft
iii Use a [ mm] punch to replace the slot spring pin (-
)
c Actuator Size E E E
i Slide the gear (-) onto the end of the worm shaft
ii Align the mounting hole on the gear and shaft
iii Use a ” [ mm] punch to replace the dowel pin (-)
iv Replace the spiral retaining ring (-)
d Actuator Sizes -
i Rotate the handwheel so that the keyway is visible and facing upwards
ii Replace key (E-)
iii Slide the gear (E-) onto the worm shaft
iv Replace bowed E-clip retaining ring (-)
13. To remove the output drive worm wheel:
a Follow after removing the switch plate
b Back o both mechanical travel stops
c Remove the retaining ring and thrust washer from the bottom of the base
d Lift the output drive worm wheel out of its base
Worm Wheel
Worm
Figure S Actuator Size E E E – output drive worm wheel and spur
gear removed
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