October 2015
Service Instructions
VA001-196-30 Rev. 1
3
Section 1: Introduction
Introduction
1�4
Bettis Actuator Reference Materials
1�4�1
CBBXXX Assembly Drawing use part number VA001-005-72-4.
1�4�2
CBBXXX-M3HW Assembly Drawing use part number VA001-005-73-3.
1�5
Service Support Items
1�5�1
Bettis service kit
1�5�2
Commercial leak testing solution
1�5�3
Non-hardening thread sealant
1�6
Lubrication Requirements
1�6�1
The actuator should be relubricated at the beginning of each service interval using
the following recommended lubricants.
NOTE:
Lubricants other than those listed in steps 1.6.2 should not be used without prior written
approval of Emerson product engineering. The lubricant item number on some assembly
drawings is item (5) while the Bettis service kits lubricant item number is item number (500).
1�6�2
All temperature services (-50°F to +350°F)/(-45.5°C to 176.6°C) use Bettis ESL-5
lubricant. ESL-5 lubricant is contained in the Bettis Module Service Kit in tubes and
the tubes are marked ESL-4, 5 and 10 lubricant.
1�7
General Tool Information
1�7�1
All threads on CBB Series actuators are Inch Unified and NPT.
1�7�2
All tools/Hexagons are American Standard inch. Two adjustable wrenches, Allen
wrench set, small standard screwdriver with sharp edges rounded off, medium size
standard screwdriver, diagonal cutting pliers, external snap ring pliers, flat file, drive
ratchet / deep well socket set and torque wrench (up to 2,000 lbf-in / 226 N-m).
1�8
Actuator Weight
Table 2�
Actuator Weight
Actuator
Model
Approximate weight (1)
Actuator
Model
Approximate weight (1)
CBB
LB
KG
CBB
LB
KG
315
20
9.1
520-M3HW
38
17.2
315-M3
23.2
10.5
525
44
20
315-M3HW
25
11.3
525-M3
50
22.7
420
22
10
525-M3HW
56
25.4
420-M3
29.4
13.4
725
68
31
420-M3HW
33
15
725-M3
75
34
520
28
12.7
725-M3HW
81
37
520-M3
34.4
15.7
(1) Weight is for bare actuator without accessories or valve adaptation.