ABB VUBB, Installation And Commissioning Manual

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Installation and commissioning guide
1ZSC000562-AAK EN, REV. 2, 2019-07-03
15
4 Installation in the transformer
4.1 Tools
Tool Part number Note
Air pump with pressure gauge and
hose - Pressure range 0-250 kPa, hose
connection with internal thread
R 1/8”.
Standard set of open-end
wrenches - Up to 18 mm.
Standard set of socket wrenches - Up to 18 mm.
Socket wrench extender - -
Standard set of screwdrivers - -
Hex keys - 5 mm and 6 mm.
Hand crank LL 117 016-M Ordered separately.
Torque wrench - 5-85 Nm, tolerance ≤ 10 %.
Buzzer - For testing the pressure relay.
500 V DC power unit/insulation
tester - For testing the pressure relay.
Bottom valve key LL 117 016-A Supplied with the tap-changer.
Tool for opening oil drum - -
Hacksaw - -
Bucket - 10 liters
Soft lifting slings - Rated for a weight higher than the
combined weight of the
tap-changer and transport box.
Lifting chains - Rated for a weight higher than the
combined weight of the
tap-changer and transport box.
Crane - Rated for a weight higher than the
combined weight of the
tap-changer and transport box.
Equipment for oil filling - -
Soft bedding - Particleboard, thick rubber-mat or
equivalent.