WGR – Worm Gear Reducer
Instruction and operating manual
© Copyright by BIFFI Italia. All right reserved MAN 684/Rev 5 Page 3
INDEX
1 GENERAL SAFETY INSTRUCTIONS ................................................................................. 5
1.1 Manufacturer 5
1.2 Machine Intended Use 5
1.3 Terms and conditions 6
1.4 Manufacturer’s Liability 6
1.5 Applicable Standards and Regulations 6
1.6 Installation in hazardous area 6
1.7 Marking for application in hazardous area 7
1.7.1 Label for ICON2000/ICON2000EC ............................................................................................................................. 7
1.7.2 Extract from the Standard ........................................................................................................................................... 7
2 MACHINE DESCRIPTION ................................................................................................. 7
2.1 General 7
2.2 Main Parts Description 8
3 TECHNICAL DATA .............................................................................................................. 9
3.1 Application range 9
4 TRANSPORT AND STORAGE .......................................................................................... 10
4.1 Transport 10
4.2 Checks to be carried out on receipt of the WGR reducer 11
4.3 Storage Procedure 11
5 INSTALLATION ................................................................................................................ 12
5.1 Working condition 12
5.2 Safety Instructions for installation in Hazardous Area 12
5.2.1 Instructions for the explosion-proof enclosures ................................................................................................ 12
5.2.2 Installation in ambient with explosive dusts ...................................................................................................... 12
6 ASSEMBLING THE WORM GEARBOX ONTO THE VALVE ........................................... 13
7 ADJUSTING THE MECHANICAL STOPPERS ................................................................. 15
7.1 Grease-lubrication-type gearbox (WGR standard type) 15
7.2 Oil-lubrication-type gearbox (WGR-DW series models) 15
8 MAINTENANCE ................................................................................................................ 17
8.1 Standard Maintenance 17
8.2 Special Maintenance 17