Emerson Process Management BETTIS G01 - Manual (Page 31)

Bettis P/N 124840E
Revision “B”
Page 27 of 46
3.6.5.3.3 Apply lubricant to the remaining thrust washer and install onto
bearing retainer (5-110) / (7-110) and up against the needle bearing
installed in step 3.6.1.3.2.
3.6.5.4 Install the pre-assembled needle bearing thrust washer assembly (5-100) / (7-100)
into the open hole located on the inboard end of M3 assembly (5-50) / (7-40).
NOTE: Press or push the bearing retainer (5-110) / (7-110) into the M3 assembly
forcing the retainer ring (5-90) / (7-90) onto the neck of the bearing retainer (5-110) /
(7-110).
3.7 M3 HANDWHEEL OR M3 HEX DRIVE HUB INSTALLATION
3.7.1 M3 HANDWHEEL OR HEX DRIVE HUB INSTALLATION TO M3 JACKSCREW.
3.7.1.1 Install handwheel or hex drive hub (10-10) onto M3 jackscrew (7-40).
3.7.1.2 Install two grooved pins (10-20) and (10-30) through handwheel hub or hex drive
hub (10-10) and through M3 jackscrew (7-40).
3.7.2 EARLY MODEL G2 & G3 M3 HANDWHEEL AND HEX NUT INSTALLATION
3.7.2.1 Screw the slotted nut onto the outboard end of the M3 jackscrew with the slot facing
toward the cylinder end cap. Screw the nut until one of the slots in the nut is aligned
with the cross drilled "through hole" in the stud.
CAUTION: When aligning the slot and the cross drilled hole make certain that the
back of the slot is at least one thread from being aligned with the hole.
3.7.2.2 Insert the spiral pin through the slotted nut and through the jackscrew stud making
sure that equal amounts of the spiral pin is exposed on both sides of the slotted nut
and the jackscrew stud.
3.7.2.3 For actuators equipped with a M3 jackscrew and require an optional handwheel,
install handwheel using the following procedure:
3.7.2.3.1 Place the handwheel onto M3 jackscrew and over the pinned slotted
nut. NOTE: The hub of handwheel has a cast hexagon hole that
fits over the pinned slotted nut.
3.7.2.3.2 Place lockwasher onto M3 jackscrew up against handwheel hub.
3.7.2.3.3 Install and tighten hex nut onto M3 jackscrew and screw nut up
against the lockwasher.
3.8 EXTENDED STOP BLIND END CAP REASSEMBLY
3.8.1 Apply a light coating of lubricant to the threads of ES stop screw (5-50).
3.8.2 Install hex nut (5-60) onto the ES stop screw (5-50).