Bray 70 Series - Page 32

SERIES 70 ELECTRIC ACTUATOR
Installation, Operation, and Maintenance Manual
32 of 48
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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 E E E ” [ mm]punch
c Slide the handwheel o of the override shaft
Figure  S 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 E E E slot spring pin -
ii Actuator Size E E E slot spring pin -
iii Actuator Size  -  slot spring pin -
d Disengage the handwheel
CAUTION
Further disassembly of the unit requires special tools and procedures and thus will
not be covered in this manual