Emerson Bettis G2XXX M11 series Service Instructions Manual page 24

Section 3: Actuator Reassembly
August 2015
3.3.19 Apply lubricant to one O-ring seal (4-40) and install into the outer diameter
3.3.20 Apply lubricant to the bore of cylinder (3-70).
CAUTION: CAREFULLY INSTALL CYLINDER
If needed, when installing the cylinder, hammer on the end of the cylinder
only with a non metallic object.
3.3.21 Install lubricated cylinder (3-70) over piston (3-30) and onto inner end cap
3.3.22 Install outer end cap (3-80) over tie bars (3-20) and into cylinder (3-70).
3.3.23 Install tie bar nuts (3-90) onto tie bars (3-20). Torque tighten tie bar nuts,
3.3.24 Install lockwashers (3-140) onto socket cap screws (3-130).
3.3.25 Install and tighten socket cap screws (3-130), with lockwashers (3-140), into
3.3.26 If removed, using pipe dope, install pipe plug (3-120) into outer end cap (3-80).
20
O-ring groove of outer end cap (3-80).
(3-10). When installing the cylinder over the piston seal tilt cylinder 15° to 30°
degrees to piston rod.
NOTE:
The pressure inlet port should be positioned in the same position as recorded in
Section 2 step 2.2.1.
alternately in 100 foot pound / N-m increments, until a final lubricated torque,
as listed in the following table, has been achieved.
Table 4� Tie Bar Nuts
TORQUE (±5%)
Housing
Model
Lbf-ft�
G01 120
G2 120
G3 150
G4 150
outer end cap (3-80).
Housing
Model
N-m
163 G5
163 G7
203 G8
203 G10
Service Instructions
124843E Rev. C
TORQUE (±5%)
Lbf-ft� N-m
400 542
500 678
500 678
1200 1627
Actuator Reassembly