Drive Module Disassembly - Emerson BETTIS G01 Series Disassembly And Reassembly

Service Instructions
127072E Rev. C
WARNING: CHECK SPRING COMPRESSION
The spring cartridge must be checked to verify that the spring(s) are in their extended
position before the hydraulic power module is disassembled from the drive module
(refer to Section 5.1 through step 5.1.6).
2�2�1
2�2�2
2�2�3
2�2�4
2�2�5
2�2�6
2�2�7
2�2�8
2�2�9
2�2�10 Remove hex cap screws (3-115) with lockwashers (3-110) from inner end cap (3-10).
2�2�11 Remove hex nuts (3-105) from hex cap screws (3-100).
2�2�12 Remove hex cap screws (3-100) with lockwashers (3-110) from inner end cap
2�2�13 Remove inner end cap (3-10) off of piston rod (3-40).
NOTE:
The piston rod (3-40) removal as outlined in step 2.2.15 is only required when the piston
rod is being replaced or when the power module is to be disassembled or removed from
the housing (1-10).
2�2�14 Unscrew and remove piston rod (3-40) from drive module.
2�3

Drive Module Disassembly

NOTE:
Review Section 2 steps 2.1.1 through 2.1.5 general disassembly before proceeding with
drive module disassembly.
2�3�1
2�3�2
NOTE:
Stop screws will be removed later in this procedure.
Actuator Disassembly
Mark and record location of the ports on outer end cap (3-80) and inner end
cap (3-10).
Remove hex nuts (3-90), with lockwashers (3-95) from tie bars (3-20).
Remove outer end cap (3-80) from cylinder (3-70) and tie bars (3-20).
Unscrew and remove tie bars (3-20) from inner end cap (3-10).
Remove cylinder (3-70) from inner end cap (3-10), piston (3-30) and piston rod (3-40).
Refer to assembly drawing page 2 of 2 Detail "D". Remove two split ring halves (3-
50) and one retainer ring (3-60) from piston rod (3-40).
Remove piston (3-30) from piston rod (3-40).
Remove O-ring seal (4-70) from piston rod (3-40).
Refer to assembly drawing page 2 of 2 Detail "D". Remove two split rings (3-50) and
one retainer ring (3-60) from piston rod (3-40).
(3-10) and housing (1-10).
If not already removed remove piston rod (3-40) from drive module.
Mark stop screws (1-180) left and right. The setting of stop screws (1-180) should
be checked and setting recorded before stop screws are loosened or removed.
Section 2: Actuator Disassembly
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