Install Instructions
Table Of Contents
- Safety Instructions - Definition of Terms
- Hazard-Free Use
- Qualified Personnel
- Part Numbering System Reference Chart
- Introduction
- Actuation
- Storage
- Commissioning
- Disassembly and Assembly
- Field or Factory Installable Options
- Appendix A
- Appendix B
- Series 70 – Size 003, 006 – Electric Actuator Exploded View
- Series 70 – Size 008, 012, 020 – Electric Actuator Exploded View
- Series 70 – Size 030, 050, 065 – Electric Actuator Exploded View
- Series 70 – Size 130, 180 – Electric Actuator Exploded View
- Series 70 – Size 130, 180 – 3:1 Gear Box Exploded View
11
Series 70 Electric Actuator
Installation, Operation and Maintenance Manual
NOTE: Override switch assemblies are typically only
removable after the switch plate has been removed.
A specialty (short or 90°) screwdriver could be used
for disassembly when the switch plate is still attached
to the actuator base.
Figure 11. S70, Actuator Size 003, 006 – switch plate exploded view.
9. To remove the gear motor:
a. Follow after removing the switch plate.
b. Disconnect the motor leads which run to the
capacitor (120/220VAC motors).
c. For Actuator Size 003, 006, unscrew the
mounting screws (two lower, one upper).
d. For Actuator Size 008, 012, 020, unscrew
the mounting screws (four lower, one upper).
e. For Actuator Sizes 030 - 180, unscrew the
mounting screws (five lower, one upper).
f. Remove the motor vertically out of the unit.
NOTE: Do not misplace the alignment pin(s),
mounting screws or lockwashers.
10. To replace the gear motor:
a. Replace alignment pin (070612-71904520).
b. Place motor into housing and align motor with
worm shaft spur gear.
c. Secure the motor with mounting screws and
lockwashers in a “star” pattern.
d. Manually operate actuator to ensure proper
alignment.
e. Connect motor leads to capacitor (PSC motors
only).
Figure 12. S70, Actuator Size 003, 006 – motor removed.
11. To remove the worm shaft spur gear:
a. Follow after removing the gear motor.
b. For Actuator Size 003, 006:
i. Remove spring pin using a 3/32” [2.0 mm]
punch.
ii. Slide the gear off the end of the worm shaft.
c. For Actuator Size 008, 012, 020:
i. Remove spiral retaining ring
ii. Remove dowel pin with 3/16” [4.5 mm]
punch.
iii. Slide the gear off the end of the worm shaft.
d. For Actuator Sizes 030 - 180:
i. Remove bowed E-clip retaining ring.
ii. Slide the gear off the end of the worm shaft.
iii. Remove key
12. To replace the worm shaft spur gear:
a. Slide the gear onto the end of the worm shaft.
b. For Actuator Size 003, 006:
i. Slide the gear (700006-75511520) onto
the end of the worm shaft.
ii. Align the mounting hole on the gear and
the shaft.
iii. Use a 3/32” [2.0 mm] punch to replace the
slot spring pin (070412-71900520).
c. Actuator Size 008, 012, 020:
i. Slide the gear (700012-75511520) onto










