Emerson Process Management BETTIS G01 - Manual (Page 24)

Bettis P/N 124840E
Revision “B”
Page 20 of 46
3.3.22 Install lubricated cylinder (3-70) over piston (3-30) and onto inner end cap (3-10). When
installing the cylinder over the piston seal tilt cylinder 15
°
to 30
°
degrees to piston rod.
3.3.23 OUTER END CAP (3-80) INSTALLATION AS FOLLOWS: G01-M3 use step 3.3.23.1,
G2-M3 and G3-M3 use step 3.3.23.2 and standard outer end cap use step 3.3.23.3.
NOTE: The outer end cap (3-80) pressure inlet port should be positioned in the same position as
recorded in Section 2.2 step 2.2.1.
3.3.23.1 G01-M3 OUTER END CAP INSTALLATION
3.6.23.1.1 Apply a light coating of lubricant to threads of jackscrew (3-290).
3.6.23.1.2 Screw jackscrew adapter (3-280) onto jackscrew (3-290). NOTE:
The smaller round end of the jackscrew adapter will install on the
jackscrew pointing to the outboard end of the jackscrew .
3.6.23.1.3 Position the jackscrew with the inboard end of the jackscrew located
with the needle bearing thrust washer assembly (3-350) up against
or near the jackscrew adapter (3-280).
3.6.23.1.4 Lightly lubricate o-ring seal (6-20) and install into o-ring groove on
the outboard side of the jackscrew adapter (3-280).
3.6.23.1.5 Insert jackscrew (3-290) through inboard side of the outer end cap
(3-80).
3.3.23.1.6 Install outer end cap (3-80) over tie bars (3-20) and into cylinder
(3-70).
3.3.23.1.7 Install tie bar nuts (3-90) onto tie bars (3-20). NOTE: Do not tighten
nuts.
3.3.23.1.8 Install the jackscrew adapter keeper (3-360) into the groove
exposed on the outboard side of the jackscrew adapter (3-280).
3.3.23.1.9 Lightly lubricate o-ring seal (6-30) and install onto the outboard end
of the jackscrew. Push the o-ring (6-30) down the jackscrew until it
contacts the jackscrew adapter (3-280).
3.3.23.1.10 Install flat hex nut (3-300) onto jackscrew (3-290). Rotate the flat
hex nut (3-290) until it is up against o-ring seal (6-30).
3.3.23.1.11 Install outer end cap (3-80) over tie bars (3-20) and into cylinder
(3-70). Continue at step 3.3.24
3.3.23.2 G2 & G3-M3 OUTER END CAP INSTALLATION
3.3.23.2.1 Lightly lubricate o-ring seal (6-10) and install into o-ring groove in
the M3 hole in the outer end cap (3-80).