HLA
– Double acting- 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 ................................................................................... 7
2
Installation ........................................................................... 7
2.1
checks upon actuator receipt ...................................................... 7
2.2
actuator handling ......................................................................... 7
2.3
storage ........................................................................................ 9
2.4
actuator assembly on the valve ................................................... 9
2.4.1
Types of assembly .................................................................. 9
2.4.2
Assembly procedure................................................................ 9
2.5
hydraulic connections ................................................................ 13
2.6
electrical connections (if any) .................................................... 13
2.7
commissioning ........................................................................... 14
3
Operation and use ............................................................. 15
3.1
operation description ................................................................. 15
3.2
residual risks ............................................................................. 16
3.3
operations (examples) ............................................................... 16
3.4
calibration of the linear stroke.................................................... 19
3.5
calibration of microswitches (if foreseen) .................................. 21
3.6
calibration of the operation time ................................................ 23
4
Operational tests and inspections ...................................... 24
5
Maintenance ...................................................................... 25
5.1
periodic maintenance ................................................................ 25
5.1.1
Check and restore oil level in the manual hand-pump........... 26
5.2
Extraordinary maintenance ....................................................... 28
5.2.1Lubrication of mechanism
............................................................
28
5.2.2
Replacing the seals of the cylinder ........................................ 29
5.3 Dismantling and demolition ........................................................ 33
6
Troubleshooting ................................................................ 33
6.1
failure or breakdown research ................................................... 34
7
Layouts .............................................................................. 35
7.1
Spare parts order ...................................................................... 35
7.2
parts-list for maintenance and replacing procedure ................... 36
8 Date report for maintenance operations ............................ 44
