BIFFI FCB Series, Руководство пользователя

Страница: 5 / 30

Service Instructions
VCIOM-15313-EN Rev. 1 March 2022
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 Biffi
TM
FCBB-SR spring-return series actuators. Table 1 is a list of
general FCBB-SR models numbers.
Table 1. FCBB-SR Model Numbers
MODEL (1) MODEL (1) MODEL (1)
FCBB315-SR FCBB315-SR-M3 FCBB315-SR-M3HW
FCBB415-SR FCBB415-SR-M3 FCBB415-SR-M3HW
FCBB420-SR FCBB420-SR-M3 FCBB420-SR-M3HW
FCBB520-SR FCBB520-SR-M3 FCBB520-SR-M3HW
FCBB525-SR FCBB525-SR-M3 FCBB525-SR-M3HW
FCBB725-SR FCBB725-SR-M3 FCBB725-SR-M3HW
(1) Also includes actuator models with -10 and -11 as a suffix.
NOTE:
When the actuator model number has “-S” as a suffix, 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 five 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 have 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 Biffi 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
Apply the thread sealant as per the manufacturer’s instructions.
1.1.9 Biffi recommends that disassembly of the actuator should be done in a clean area
on a workbench.