Emerson Bettis CBB Series User Manual

October 2015
Service Instructions
VA001-196-30 Rev. 1
1
Section 1: Introduction
Introduction
Section 1: Introduction
1�1 General Service Information
1�1�1 This service procedure is offered as a guide to enable general maintenance to be
performed on Bettis CBB double-acting series actuators. The following is a list of
general CBB model numbers.
Table 1� CBB Model Numbers
MODEL (1) MODEL (2) MODEL (3)
315 315-M3 315-M3HW
420 420-M3 420-M3HW
520 520-M3 520-M3HW
525 525-M3 525-M3HW
725 725-M3 725-M3HW
 (1)Alsoincludesactuatormodelswith–10and–11asasufx
NOTE:
Whentheactuatormodelnumberhas“-S”asasufxthentheactuatorisspecialandmay
have some differences that may not be included in this procedure.
1�1�2 Normalrecommendedserviceintervalforthisactuatorseriesisveyears.
NOTE:
Storage time is counted as part of the service interval.
1�1�3 This procedure is applicable with the understanding that all electrical power and
pneumatic pressure has been removed from the actuator.
1�1�4 Remove all piping and mounted accessories that will interfere with the module(s)
that are to be worked on.
1�1�5 This procedure should only be implemented by a technically competent technician
who should take care to observe good workmanship practices.
1�1�6 Numbers in parentheses, ( ) indicate the bubble number (reference number) used
on the Bettis assembly drawing and actuator parts list.
1�1�7 When removing seals from seal grooves, use a commercial seal removing tool or a
small screwdriver with sharp corners rounded off.
1�1�8 Use a non-hardening thread sealant on all pipe threads.
CAUTION: FOLLOW MANUFACTURER'S INSTRUCTIONS
Apply the thread sealant per the manufacturer’s instructions.
1�1�9 Emerson recommends that disassembly of the actuator should be done in a clean
area on a workbench.

Emerson Bettis CBB Series Specifications

General

Brand	Emerson
Model	Bettis CBB Series
Category	Controller
Language	English