BONFIGLIOLI WR 75

VF, W series
Installation, Operation
and Maintenance Manual
USER
MANUAL
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Bonfiglioli Riduttori S.p.A.
Via Giovanni XXIII, 7/A
40012 Lippo di Calderara di Reno
Bologna (Italy)
tel: +39 051 647 3111
fax: +39 051 647 3126
bonfiglioli@bonfiglioli.com
www.bonfiglioli.com
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BONFIGLIOLI WR 75 Specifications

General

Type	Diesel
Power Output	75 kW
Cylinders	4
Fuel System	Direct Injection
Cooling System	Liquid-cooled

Summary

2 Safety Information

2.1 Safety Standards

Emphasizes reading manual and safety precautions for installation and maintenance.

3 Technical Information

3.3 Conformity

3.4 Operating Limits and Conditions

Defines permitted applications, environmental limits, and conditions for gearbox use.

3.5 Allowed Temperature Limits

Lists ambient, surface, and oil temperatures for synthetic and mineral oils.

4 Handling and Transport

4.2 Handling Instructions

Provides guidelines for safe handling and lifting of packages and equipment.

4.3 Storage

5 Installation

5.1 Installing the Gearbox

Details pre-installation checks, mounting procedures, and safety precautions.

5.3 Installing an Electric Motor with an IEC Standard Flange

Guides on cleaning, coupling, and securing motors to gearboxes.

5.4 Installing Motors on VFR Worm Gearboxes

Provides specific instructions for mounting motors on VFR worm gearboxes.

5.5 Assembling the Limit-Switch Device (RVS)

5.6 Calibrating the Torque Limiter Slipping Torque

Describes factory adjustment and setting different torque values.

5.7 Installing Connecting Elements

5.9 Lubrication

5.9.1 Recommended Permitted Lubricants

Lists recommended lubricants for gear units and ATEX gearboxes.

5.9.1.1 Synthetic Oils and Mineral Oils with EP Additives

Details compatible synthetic and mineral oils by gearbox type.

5.9.2 Quantity of Lubricant

5.9.2.1 Wormgears, Serie VF:

5.9.2.2 Wormgears, Serie W:

5.9.3 Mounting Positions and Service Plugs

6 Maintenance

6.1 Checking Operational Efficiency

6.2 Routine Maintenance

6.3 Oil Changes

7 Removal

7.1 Removing a Motor with an IEC Standard Flange

7.2 Removing a Gearbox with Hollow Output Shaft with Keyway

8 Troubleshooting