Emerson Process Management bettis g13 User Manual
Bettis P/N 124840E
Revision “B”
Page 12 of 46
2.6
M3 JACKSCREW DISSASSEMBLY
NOTE: The jackscrew bearing retainer (7-110) / (5-110), needle bearing thrust washer assembly
(7-100) / (5-100) or retainer ring (7-90) / (5-90) does not require disassembly from the
jackscrew assembly (7-40) / (5-50) except for the need to replace worn parts. For
disassembly of these items refer to step 2.6.7. Remove M3 handwheel or M3 hex drive
hub per Section 2.5.
jackscrew assembly (7-40) / (5-50) except for the need to replace worn parts. For
disassembly of these items refer to step 2.6.7. Remove M3 handwheel or M3 hex drive
hub per Section 2.5.
2.6.1
G01-M3 JACKSCREW DISASEMBLY FROM BLIND END CAP
2.6.1.1 Remove M3 handwheel or M3 hex drive hub per Section 2.5.
NOTE: See note 2.6 before proceeding with step 2.6.1.2 through 2.6.1.4.
2.6.1.2 Unscrew and remove socket cap screw (5-120) with lockwasher (5-130) from
keeper (5-140).
2.6.1.3 Remove keeper (5-140) from blind end cap (5-10).
2.6.1.4 Remove M3 jackscrew (5-50) from blind end cap (5-10).
2.6.2
G2-M3 and G3-M3 JACKSCREW DISASEMBLY FROM BLIND END CAP
2.6.2.1 Remove M3 handwheel or M3 hex drive hub per Section 2.5.
NOTE: See 2.6 note before proceeding with step 2.6.2.2 through 2.6.2.4.
2.6.2.2 Unscrew and remove hex flat nut (5-60) from G2/G3 M3 jackscrew.
2.6.2.3 Unscrew and remove two socket cap screws (5-120) from G2/G3 M3 adapter.
2.6.2.4 Remove M3 jackscrew (5-50) from blind end cap (5-10).
2.6.3
G01-SR-M3 JACKSCREW DISASEMBLY FROM SR-M3 ADAPTER PLATE
2.6.3.1 Remove M3 handwheel or M3 hex drive hub per Section 2.5.
NOTE: See 2.6 note before proceeding with step 2.6.3.2 through 2.6.3.4.
2.6.3.2 Unscrew and remove hex flat nut (7-50) from M3 jackscrew assembly (7-40).
2.6.3.3 Remove retainer ring (7-55) from M3 adapter (7-45).
2.6.3.4 Remove M3 jackscrew assembly (7-40) from M3-SR adapter plate (7-10).
2.6.4
G2 AND G3-SR-M3 JACKSCREW DISASEMBLY FROM SR-M3 ADAPTER PLATE
2.6.4.1 Remove M3 handwheel or M3 hex drive hub per Section 2.5.
NOTE: See 2.6 note before proceeding with step 2.6.4.2 through 2.6.4.4.