HLDA
– Double acting - Doubled thrust hydraulic linear 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 .............................................................................. 8
2
Installation ........................................................................... 8
2.1
CHECKS UPON ACTUATOR RECEIPT ..................................... 8
2.2
ACTUATOR HANDLING ............................................................. 9
2.3
STORAGE ................................................................................. 10
2.4
ACTUATOR ASSEMBLY ON THE VALVE ............................... 11
2.4.1
Types of assembly ................................................................ 11
2.4.2
Assembly procedure.............................................................. 11
2.5
HYDRAULIC CONNECTIONS .................................................. 14
2.6
ELECTRICAL CONNECTIONS (IF ANY) .................................. 15
2.7
COMMISSIONING .................................................................... 15
3
Operation and use ............................................................. 17
3.1
OPERATION DESCRIPTION .................................................... 17
3.2
RESIDUAL RISKS ..................................................................... 18
3.3
OPERATIONS ........................................................................... 18
( refer to specific document: BIFFI operating diagram furnished )
... 18
3.3.1
Emergency manual operation (MHP) .................................... 18
3.3.2
Remote control operations : .................................................. 18
3.4
CALIBRATION OF THE ANGULAR STROKE .......................... 21
3.5 CALIBRATION OF MICROSWITCHES (biffi limit switch box only)
23
3.5
CALIBRATION OF THE OPERATION TIME ............................. 25
4
Operational tests and inspections ...................................... 26
5
Maintenance ...................................................................... 27
5.1
PERIODIC MAINTENANCE ...................................................... 27
5.1.1
Check and restore oil level in the hydraulic manual handpump
( refer to chapt. 7.2 table 3 ) .................................................. 28
5.2
EXTRAORDINARY MAINTENANCE ........................................ 30
5.2.1
Lubrication of mechanism ..................................................... 30
5.3 DISMANTLING AND DEMOLITION ........................................... 34
6
Troubleshooting ................................................................ 36
6.1
FAILURE OR BREAKDOWN RESEARCH ............................... 36
7
Layouts .............................................................................. 37
7.1
Spare parts order ...................................................................... 37
7.2
parts-list for maintenance and replacing procedure ................... 38
8
Date report for maintenance operations
.................................. 44
