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
12
Series 70 Electric Actuator
Installation, Operation and Maintenance Manual
the end of the worm shaft.
ii. Align the mounting hole on the gear and
shaft.
iii. Use a 3/16” [4.5 mm] punch to replace the
dowel pin (070612-71804520).
iv. Replace the spiral retaining ring (070812-
74518520).
d. Actuator Sizes 030 - 180:
i. Rotate the handwheel so that the keyway
is visible and facing upwards.
ii. Replace key (700030-73100901).
iii. Slide the gear (700030-75503520) onto
the worm shaft.
iv. Replace bowed E-clip retaining ring
(070625-74511529).
13. To remove the output drive worm wheel:
a. Follow after removing the switch plate.
b. Back off 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.
Figure 13. S70, Actuator Size 003, 006 – output drive worm wheel
and spur gear removed.
14. To replace the output drive worm wheel:
a. Ensure worm wheel contains o-ring and is in
good condition.
b. Ensure that o-ring and worm wheel teeth are
lubricated with grease.
c. Place the worm wheel into the base, meshing
teeth with worm gear.
d. Replace thrust washer and retaining ring.
e. Engage handwheel and manually drive worm
wheel to ensure smooth operation.
f. Reset mechanical travel stops after switch plate
has been replaced.
15. To remove the handwheel:
a. Engage the handwheel.
b. Use a punch to remove the slot spring pin.
i. Actuator Size 003, 006: 3/32” [2.0 mm]
punch
ii. Actuator Size 008 - 180: 1/8” [3 mm] punch
c. Slide the handwheel off of the override shaft.
Figure 14. S70 with handwheel removed.
16. To replace the handwheel:
a. Engage the override shaft.
b. Slide the handwheel onto the override shaft
and align mounting holes.
c. Use a punch to fit a replacement slot spring pin.
i. Actuator Size 003, 006 slot spring pin:
070316-71900529
ii. Actuator Size 008, 012, 020 slot spring
pin: 070424-71900534
iii. Actuator Size 030, 050, 065-180 slot spring
pin: 070428-71900534
d. Disengage the handwheel.
Further disassembly of the unit requires special tools
and procedures, and thus will not be covered in this
manual.