Bettis P/N 127073E
Revision “A”
Page 9 of 37
2.3.15 Remove top yoke pin thrust bearing (2-10) from top of yoke pin (1-80).
2.3.16 Rotate the arms of yoke (1-70) to the center position of housing (1-10).
2.3.17 Remove yoke (1-70) with yoke pin (1-80), guide block (1-30), two yoke/guide block
bushings (2-30) by lifting yoke up and out of the housing (1-10).
2.3.18 Remove bottom yoke pin thrust bearing (2-10) from inside bottom of housing (1-10).
2.3.19 Remove yoke pin (1-80) by inserting 3/8"-16 UNC screw into top of the yoke pin and pull
straight up and out.
2.3.20 Remove guide block (1-30) from between the arms of yoke (1-70).
2.3.21 Remove yoke/guide block bushing (2-30) from the top of guide block (1-30).
2.3.22 Remove yoke/guide block bushing (2-30) from the top of the lower yoke arm of yoke
(1-70).
NOTE: G01 model actuators skip steps 2.3.23 through 2.3.25 and continue disassembly at step
2.3.26.
2.3.23 Refer to assembly drawing page 2 of 2 Detail "B". Use Bettis tool part numbers 117368
(G8/G10), 117369 (G5/G7), 117370 (G3/G4) or 123616 (G2) and remove retention
retainer nut assemblies (1-60) and (9-60) from guide block (1-30).
2.3.24 Remove rod extension assemblies (1-50) and (9-50) from guide block (1-30).
NOTE: Spherical washers (1-40) and (9-40) will be removed from guide block (1-30) when the
extension rod assemblies are removed.
2.3.25 Remove the remaining spherical washers (1-40) and (9-40) from guide block (1-30).
2.3.26 Unscrew and remove two stop screw nuts (1-190) from stop screws (1-180).
2.3.27 Unscrew and remove two stop screws (1-180) from front of housing (1-10).
2.3.28 Housing (1-10) vent check assembly removal as follows:
2.3.28.1
G01, G2 and G3 housing (1-10) unscrew and remove one vent check
assembly (13) from the front of housing (1-10).
2.3.28.2
G4 through G10 housing (1-10) unscrew and remove two vent check
assembly’s (13) from the front of housing (1-10).