3B Scientific Van de Graaff Generator (230 V, 50__60 Hz) - Manual (Page 3)

3B Scientific GmbH • Rudorffweg 8 • 21031 Hamburg • Germany • www.3bscientific.com
Subject to technical amendments
© Copyright 2012 3B Scientific GmbH
6.2 Replacing the primary fuse
• Pull the mains plug.
• Pry out the insert with holder for the primary
fuse and spare fuse with a broad screw driver.
• Check the data plate on base plate and replace
defective fuse using the spare fuse in the holder.
• Place a new fuse in the holder for the spare fuse.
• Put the insert back into its place.
6.3 Retensioning the rubber belt
• Remove the metal sphere by lifting it straight
up.
• Loosen Phillips-head screws and retension the
rubber belt by moving the bracket for the deflec-
tion pulley.
• Retighten the screws, align the metal edges and
mount the metal sphere.
7. Storage and maintenance
• Clean the van de Graaff generator with warm
water and some dish washing liquid and dry it
thoroughly (with a hair dryer). Never use sol-
vents.
• In case the generator is not in use for a longer
period of time, remove the rubber belt and store
it in a dark place.
• Store the Van de Graaff generator at a dry place
and always cover it with the dust cover. Do not
expose the generator to direct heat sources (sun,
radiator).
8. Rectifying errors leading to insufficient charg-
ing
Cause Measures
Damp
Dry out the generator with dry air
(e.g. using a hair dryer).
Dirt
Rollers, insulators, conductor
spheres and rubber belt should be
cleaned and then dried.
Metal edge
positions
Check the metal edges. Set them
up as close as possible to the belt
without actually touching it
Juddering of
the belt Tighten up the belt as described
under 6.3.
3
2
1
4
Fig.1 Positioning the edges (1 Idler pulley, 2 Bottom metal
edge, 3 Top metal edge, 4 Deflection pulley)
1
2
3
3
5
4
Fig. 2 Retensioning the rubber belt (1 Rubber belt, 2 De-
flection pulley, 3 Phillips-head screws, 4 Bracket for deflec-
tion pulley, 5 Top metal edge)
9. Disposal
• The packaging should be disposed of at local
recycling points.
• Should you need to dispose of the equipment
itself, never throw it away in normal domestic
waste. Local regulations for the disposal of elec-
trical equipment will apply.