OLGAS-H
– High pressure spring return hydraulic actuator
Use and maintenance manual
© Copyright by BIFFI Italia. All right reserved.
Pag. 2
Contents may change without notice
TABLE OF CONTENTS
1
General warnings ................................................................ 4
1.1
GENERALITIES .......................................................................... 4
1.1.1
Applicable regulation ............................................................... 4
1.1.2
Terms and conditions .............................................................. 4
1.2
IDENTIFICATION PLATE ........................................................... 5
1.3
INTRODUCING THE ACTUATOR .............................................. 5
1.4
DATA SHEET .............................................................................. 6
2
Installation ........................................................................... 6
2.1
CHECKS UPON ACTUATOR RECEIPT ..................................... 6
2.2
STORAGE ................................................................................... 7
2.3
ACTUATOR ASSEMBLY ON THE VALVE ................................. 7
2.3.1
Types of assembly .................................................................. 7
2.3.2
ACTUATOR HANDLING (VALVE STEM WITH VERTICAL
AXIS) ..................................................................................... 12
2.3.3
VALVE STEM WITH HORIZONTAL AXIS ............................ 16
2.4
hydraulic CONNECTIONS ........................................................ 18
2.5
ELECTRICAL CONNECTIONS (IF ANY) .................................. 19
2.6
COMMISSIONING .................................................................... 19
3
Operation and use ............................................................. 20
3.1
OPERATION DESCRIPTION .................................................... 20
3.2
RESIDUAL RISKS ..................................................................... 21
3.3
OPERATIONS ........................................................................... 21
( refer to specific document: operating diagram furnished )
............. 21
3.3.1
Emergency manual operation ............................................... 21
3.3.2
Remote control operations .................................................... 23
3.4
CALIBRATION OF THE ANGULAR STROKE .......................... 25
3.5 CALIBRATION OF MICROSWITCHES (biffi limit switch box) ... 29
3.6 CALIBRATION OF THE OPERATION TIME (if required) .......... 31
4
Operational tests and inspections ...................................... 32
5
Maintenance ...................................................................... 33
5.1
PERIODIC MAINTENANCE ...................................................... 33
5.1.1
Check and restore oil level in the hydraulic control unit ( refer
to chapt. 7.2 table 5 ) ............................................................ 34
5.2
EXTRAORDINARY MAINTENANCE ........................................ 36
5.3 LUBRICATION OF MECHANISM
41
5.4 DISMANTLING AND DEMOLITION ........................................... 42
6
Troubleshooting ................................................................ 43
6.1
FAILURE OR BREAKDOWN RESEARCH ............................... 43
7
Layouts .............................................................................. 44
7.1
SPARE PARTS ORDER ........................................................... 44
7.2
PARTS-LIST
FOR
MAINTENANCE
AND
REPLACING
PROCEDURE .................................................................................. 45
8 Date report for maintenance operations ............................ 52
