Installation, Operation and Maintenance Manual
MAN 573 Rev. 8
July 2020
3.5
Calibration of Micro-switches (If Foreseen)
(Refer to Safety Instructions Manual for limit switch box)
!
WARNING
Refer only to technical documentation related to installed switch-box model.
NOTICE
For mounting interface dimension of the Limit Switch box on the cover of the actuator, please refer to
TN1163V (for metric dimension) or TN1163VU (for imperial dimension).
NOTICE
Operate only the micro-switch corresponding to the direction of operation being carried out,
as clearly reported on the micro-switch. End of stroke microswitches should be operated before
the stop of the stroke of the actuator due to mechanical stops. Adjust the relative cams properly.
3.6
Calibration of the Operation Time
The calibration of the operation time is made by Biffi Italia s.r.l. according to customer requirements
and to technical data sheet included in technical documentation. If necessary, it’s possible to modify
or reset the operating time through the flow regulator valve placed on inlet of pneumatic supply
(Figure 16).
Figure 16
Adjustment of operating time by flow regulator valve
(please refer to specific operating diagram)
Pneumatic connection
Pneumatic connection
(close) screw for decrease speed
(open) unscrew for increase speed of operation
Screwdriver
Wrench
Item 276: See operating diagram
Operation and Use
19
Section 3: Operation and Use
