BIFFI WGR 800 - User Manual

WGR – Worm Gear Reducer
Instruction and operating manual
© Copyright by BIFFI Italia. All right reserved MAN 684/Rev 5 Page 1
MAN 684
WGR - Worm Gear Reducer
Instruction and Operating Manual
5
19/01/2017
Added sight glass with optional
relief version
Toscani
Orefici
Vigliano
4
18/04/2016
Updated applicable regulation
(chapter 1.7)
Ermanni
Orefici
Vigliano
3
11/06/2012
Revised chapter 11 (parts list)
Ermanni
Ghiadoni
Vigliano
2
08/03/2012
Revised Pictures
Guarnieri
Ghiadoni
Vigliano
1
23/05/2010
Revised Chapter 7
Schiavi
Ghiadoni
Vigliano
0
04/12/2007
Issue
Orefici
Alfieri
Alfieri
Rev.
Date
Description
Prepared
Verified
Approved

Summary

General Safety Instructions

1.6 Installation in hazardous area

Mandatory check for nameplates suitability for hazardous areas and qualified personnel for maintenance.

1.7 Marking for application in hazardous area

Describes the ATEX marking label for ICON2000/ICON2000EC associated with WGR.

Machine Description

2.2 Main Parts Description

Illustrates and labels key components of the WGR gearbox, including main and epicyclical reduction cases.

Technical Data

Installation

5.2 Safety Instructions for installation in Hazardous Area

Directs users to the Electric Actuator IOM for installations in hazardous areas or with explosive dusts.

5.2.1 Instructions for the explosion-proof enclosures

Refers to Electric Actuator IOM for installation in hazardous areas.

5.2.2 Installation in ambient with explosive dusts

Refers to Electric Actuator IOM for installation in explosive dust environments.

Assembling the Worm Gearbox Onto the Valve

Adjusting the Mechanical Stoppers

7.1 Grease-lubrication-type gearbox (WGR standard type)

Procedure for adjusting mechanical stoppers on grease-lubricated WGR gearboxes.

7.2 Oil-lubrication-type gearbox (WGR-DW series models)

Procedure for adjusting mechanical stoppers on oil-lubricated WGR-DW gearboxes.

Maintenance

Disassembly Instructions

9.1 Access to the main reduction and to the epicyclical reduction

Step-by-step instructions for accessing internal gearbox components, involving removing covers and indicators.

9.2 Epicyclical reduction removal

Instructions for removing the epicyclical reduction, including pin, planet wheel, seeger, and satellite holder.

9.3 Main reduction removal

Instructions for removing the main reduction, involving bolts, thrust flange, bearings, worm screw, and gear.

BIFFI WGR 800 Specifications

General

Brand	BIFFI
Model	WGR 800
Category	Industrial Equipment
Language	English