Emerson Process Management bettis g13 User Manual
Bettis P/N 124840E
Revision “B”
Page 14 of 46
NOTE: The parts and seals used in the actuator will be assembled using lubricant as identified in
section 1 step 1.6.1.
3.1.5
For Spring Module Installation refer to Section 5 step 5.2.
3.2
DRIVE MODULE REASSEMBLY
NOTE: Review section 3.1 General Reassembly before proceeding with Drive Module
Reassembly.
NOTE: Refer to assembly drawing page 2 of 2 Detail "B" for section drawing of guide block.
3.2.1
If guide bar bearing (2-20) is being replaced install new bearing into guide block (1-30).
NOTE: The guide bar bearing (2-20) must be pressed into guide block guide bar bore with the
seam located ±5
°
degrees of the top or bottom centerline as shown in section A-A.
NOTE: G01 model actuators skip steps 3.2.2 through 3.2.13 and continue reassembly at step
3.2.14.
3.2.2
Lubricate guide block (1-30), two spherical washers (1-40), and one extension rod
assembly (1-50).
assembly (1-50).
3.2.3
Install one spherical washer (1-40) into the side of guide block (1-30). NOTE: The
spherical side of washer (1-40) will be facing to the outside of guide block (1-30).
spherical side of washer (1-40) will be facing to the outside of guide block (1-30).
3.2.4
Install second spherical washer (1-40) over threaded end of extension rod assembly
(1-50). NOTE: The spherical side of the washer will go on the extension rod assembly
facing the head of the extension rod assembly.
(1-50). NOTE: The spherical side of the washer will go on the extension rod assembly
facing the head of the extension rod assembly.
3.2.5
Install extension rod assembly (1-50) into guide block (1-30) and up against the first
spherical washer (1-40).
spherical washer (1-40).
3.2.6
Install extension retainer nut assembly (1-60) over extension rod assembly (1-50) and
screw into guide block (1-30).
screw into guide block (1-30).
3.2.7
Tighten extension retainer nut assembly (1-60) until extension rod assembly (1-50) can not
move. Back off the extension retainer nut assembly (1-60) just enough to allow for
extension rod assembly (1-50) to move freely.
move. Back off the extension retainer nut assembly (1-60) just enough to allow for
extension rod assembly (1-50) to move freely.
NOTE: Steps 3.2.8 through 3.2.13 are to be completed when the actuator is equipped with a
Spring Module. If the actuator is Double Acting then skip steps 3.2.8 through 3.2.13 and
continue actuator reassembly starting with step 3.2.14.
continue actuator reassembly starting with step 3.2.14.
3.2.8
Lubricate two spherical washers (9-40) and one extension rod assembly (9-50).
3.2.9
Install one spherical washer (9-40) into the side of guide block (1-30). NOTE: The
spherical side of washer (9-40) will be facing to the outside of guide block (1-30).
spherical side of washer (9-40) will be facing to the outside of guide block (1-30).