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BIFFI ALGAS-QA EAC User Manual
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July 2020
Installation, Operation and Maintenance Manual
MAN616_EAC Rev
. 5
Section 3: Op
eration and Use
Operation and U
se
Pneumatic Cylinder
Size
Wrenc
h C1 (mm)
Wrenc
h C2 (mm)
Figure 16
T
able 7.
25
27
Table of Contents
Default Chapter
3
Table of Contents
3
Section 1: General Warnings
5
Applicable Regulation
5
Terms and Conditions
6
Description of the Actuator
7
Section 2: Installation
9
Checks to be Carried out on Receiving the Actuator
9
Storage
9
Assembling the Actuator Onto the Valve
10
Types of Assembly
10
Valve Stem with Vertical Axis
15
Valve Stem with Horizontal Axis
19
Section 3: Operation and Use
21
Operation Description
21
Residual Risks
22
Operations
22
Calibration of the Quick Operation Time
23
By-Pass Adjustment
23
Setting of the Angular Stroke
25
One Travel-Stop-Screw Screwed on the End Flange Center of Pneumatic Cylinder
25
Angular Stroke Setting in Case of Two Travel Stop Screws in the End Flange of Pneumatic Cylinder
28
Stop Screw Screwed on the End Flange of Spring Container
29
Calibration of Micro-Switches (Applicable to Biffi Limit Switch Box Model Only)
31
Preparation for Start-Up
33
Pneumatic Connections
33
Electrical Connections
33
Start-Up
34
Section 4: Operational Tests and Inspections
35
Operational Tests and Inspections
35
Section 5: Maintenance
36
Routine Maintenance
36
Extraordinary Maintenance
37
Replacement of Cylinder Seals
38
Seals Replacement
38
Cylinder Reassembling
39
Lubrication of Mechanism
42
Dismantling and Demolition
43
Section 6: Troubleshooting
44
Failure or Breakdown Research
44
Section 7: Layouts and Sectional Drawings
45
Parts List for Maintenance and Replacing Procedure
45
Section 8: Spare Parts
51
Spare Parts
51
Section 9: Date Report for Maintenance Operations
52
Date Report for Maintenance Operations
52
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BIFFI ALGAS-QA EAC Specifications
General
Brand
BIFFI
Model
ALGAS-QA EAC
Category
Controller
Language
English
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