STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com
Manual 5020, rev.03 07/2021 - SC/VHS iii
INDEX
1 GENERAL INFORMATIONS .............................................................................................................................. 1
1.1 GENERAL WARNINGS ......................................................................................................................................... 1
1.2 GENERALITIES ................................................................................................................................................... 1
1.3 MANUFACTURER ............................................................................................................................................... 1
1.4 TERMS AND CONDITIONS ..................................................................................................................................... 1
1.5 MANUFACTURER’S LIABILITY ................................................................................................................................ 1
1.6 APPLICABLE STANDARDS AND DIRECTIVES ............................................................................................................... 2
1.7 SYMBOLOGY USED ............................................................................................................................................. 2
2 DEVICE DESCRIPTION ..................................................................................................................................... 3
2.1 GENERAL DESCRIPTION ....................................................................................................................................... 3
2.2 IDENTIFICATION OF THE MAIN PARTS ..................................................................................................................... 3
2.3 ACTUATOR CODING DESCRIPTION .......................................................................................................................... 4
3 TECHNICAL DATA ........................................................................................................................................... 5
4 IDENTIFICATION LABEL................................................................................................................................... 5
5 INSTALLATION ................................................................................................................................................ 6
5.1 TRANSPORT ...................................................................................................................................................... 6
5.2 RECEPTION ....................................................................................................................................................... 7
5.3 STORAGE .......................................................................................................................................................... 7
5.4 REQUIREMENTS OF STABILITY ............................................................................................................................... 7
5.5 INTERFACE DOCUMENT AND DIMENSIONAL DRAWING ................................................................................................ 7
5.6 INSTALLATION ................................................................................................................................................... 8
5.7 DISASSEMBLING ............................................................................................................................................... 11
6 OPERATION AND USE ................................................................................................................................... 12
6.1 OPERATION DESCRIPTION .................................................................................................................................. 12
6.2 INTENDED USE ................................................................................................................................................. 12
6.3 REASONABLY FORESEEABLE MISUSE ..................................................................................................................... 13
6.4 OPERATING LIMITS ........................................................................................................................................... 13
6.5 RESIDUAL RISKS ............................................................................................................................................... 13
7 INSTRUCTIONS FOR THE OPERATOR ............................................................................................................ 14
7.1 START UP ....................................................................................................................................................... 14
7.2 STROKE ADJUSTMENT (WHEN OPTIONAL TRAVEL STOPS ARE PROVIDED) ...................................................................... 15
7.3 MANUAL OVERRIDE ......................................................................................................................................... 16
8 MAINTENANCE............................................................................................................................................. 18
8.1 PERIODIC INSPECTIONS ..................................................................................................................................... 18
8.2 SPECIAL MAINTENANCE ..................................................................................................................................... 19
8.3 GENERAL REPAIRS ............................................................................................................................................ 21
8.4 MECHANISM LUBRICATION ................................................................................................................................ 21
8.5 HYDRAULIC FLUID ............................................................................................................................................ 22
9 TROUBLESHOOTING ..................................................................................................................................... 23
10 PARTS LIST GENERAL ASSEMBLY .............................................................................................................. 24
10.1 CYLINDER VERSION WITH SPRING PACKAGE ............................................................................................................ 25
10.2 VALVE ADAPTATION ASSEMBLY (OPTIONAL) ........................................................................................................... 29
10.3 STOPPER PROTECTION ASSEMBLY FOR CYLINDER (WHEN SUPPLIED) ............................................................................ 30
11 SPARE PARTS ............................................................................................................................................ 30