ABB BUF 3 User Manual

11
1ZSE 5492-128 en, Rev. 4
fm_00102
1 Introduction
1.5 Maintenance guide
Inspection and overhaul of the UZ-type on-load tap-changer is carried out according to the
instructions in the Maintenance Guide. Contact replacement is also described in the Main-
tenance Guide. Since references are made to the Maintenance Guide, you will need the
Maintenance Guide.
1.6 Tightening torque
The following tightening torques are recommended: M6, 10 Nm ±10 %
M8, 24.5 Nm ±10 %
M10, 49 Nm ±10 %
M12, 84 Nm ±10 %
if not otherwise is stated in this guide.
Rating plate
Fig. 2. Location of rating plate.

ABB BUF 3 Specifications

General

Brand	ABB
Model	BUF 3
Category	Industrial Equipment
Language	English