Emerson Process Management BETTIS G01 - Manual (Page 21)

Bettis P/N 124840E
Revision “B”
Page 17 of 46
NOTE: Complete step 3.2.34 on G5, through G13 model actuators. For G01 through G4 model
actuators skip step 3.2.34 and proceed to step 3.2.35.
3.2.34 On G5 through G13 models
3.2.34.1 Place lockwashers (1-115) onto hex cap screws (1-120).
NOTE: Hex cap screw (1-120) are only used as "hole" fillers and to protect
threads from environment.
3.2.34.2Install and tighten hex cap screws (1-120) with lockwashers (1-115).
3.2.35 Install thrust bearing (2-110) onto position indicator (1-140).
3.2.36 Install o-ring seal (2-100) onto position indicator (1-140).
3.2.37 Install upper bearing (2-120) into yoke cover (1-150).
3.2.38 Install rod wiper (2-80) into yoke cover (1-150).
3.2.39 Install o-ring seal (2-70) into yoke cover (1-150).
3.2.40 Install yoke cover (1-150) onto housing cover (1-20) and over position indicator assembly
(1-140). NOTE: During yoke cover installation be careful not to damage o-ring seal (2-70)
and rod wiper (2-80).
3.2.41 Place lockwashers (1-170) onto hex cap screws (1-160).
3.2.42 Install and tighten hex cap screws (1-160) with lockwashers through yoke cover (1-150)
and into housing cover (1-20).
3.2.43 Vent check assembly installation as follows:
2.3.43.1 G01, G2 and G3 housing (1-10) using pipe sealant install one vent check
assembly (13) into the front of housing (1-10).
2.3.43.2 G01, G2 and G3 housing (1-10) using pipe sealant install one vent check
assemble (13) into the top area of housing cover (1-20).
2.3.43.3 G4 through G13 housing (1-10) using pipe sealant install two vent check
assemblies (13) into the front of housing (1-10).
3.2.44 NOTE: Refer to Section 2 step 2.3.3 for correct position indicator placement. Install
position indicator (1-220) over the exposed shaft of position indicator assembly (1-140).
3.2.45 Install stop screw nuts (1-190) onto stop screws (1-180).
3.2.46 Install o-ring (2-90) onto stop screws (1-180).
3.2.47 Install two stop screws (1-180) into two stop screw holes on the front of housing (1-10).