IMO-218 EN - Issue 8/202012
CAUTION:
SPRING RETURN ACTUATOR END CAPS ARE UNDER
SPRING TENSION. CAUTION MUST BE USED WHILE
REMOVING END CAP BOLTS AND END CAPS. IT IS
RECOMMENDED TO PUT ACTUATOR INTO A PRESS
DURING REMOVAL OF END CAPS TO ENSURE SAFE
RELEASE OF SPRING TENSION.
c. Rotate the pinion #2 in the counter clockwise direction (For
double acting & Spring return fail safe close actuators) until the
pinion becomes free.
Rotate the pinion #2 in the clockwise direction (For Spring
return fail safe open actuators) until the pinion becomes free.
d. Pull the piston out from each side by holding with pliers.
CAUTION: NEVER attempt to remove pistons from actuator body
using air pressure when the end caps have been removed!!
e. Remove external circlip # 17 and then washers #10 and #19.
f. Tap the pinion gently from the top using a rubber mallet until
the pinion is approximately half way into the body. Remove the
top pinion seal #14 and the top pinion bearing #18. Remove
the cam #08.
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