© 2021 Baker Hughes Company. All rights reserved.
Masoneilan 37/38 Actuator Instruction Manual | 7
Parts Reference
Ref. No.
Part Name
Computer
Abbrev.
Ref.
No.
Part Name
Computer
Abbrev.
●15
Gasket (packing box)
GASKET
37
Bushing (spring adjuster)
BUSHING
17
Yoke
YOKE
●39
Diaphragm
DIAPHRM
18
Cap Screw (L case to yoke)
CAP SCR
40
Diaphragm Plate
DPH PLT
●19
Gasket (L case to yoke)
GASKET
41
Diaphragm Washer
DPH WSH
20
Packing Nut
PKG NUT
43
Upper Diaphragm Case
U D CSE
21
Snap Ring Actuator
SNP RNG
44
Lower Diaphragm Case
L D CSE
22
Spring Actuator
ACT SPR
45
Cap Screw (diaph. case)
CAP
22A
Spring Actuator
ACT SPR
46
Nut (diaph. case)
NUT
26
Stem
STM
56
Travel Indicator Scale
T I SCL
30
Nut (actuator stem)
NUT
57
Machine Screw Ball
MCN SCR BALL
31
Packing Box
PKG BOX
70
and Retainer Spring
& RTN SPR
●32
Packing
PACKING
71
Barrel Spring Barrel
BRL SBL
33
Spring Seat (upper)
USPR ST
72
Cap Ball Bearing
CAP BBG
34
Spring Seat (lower)
LSPR ST
73
Race
RCE
35
Pipe Plug
PIP PLG
74
Cap Screw (SBL to U D CSE)
CAP SCR
36
Spring Adjustor
SPR ADJ
●
Recommended spare parts.