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Deluxe Van de Graaff generator
Belt Replacement
INSTRUCTIONS:
Following is the suggested procedure for installing a new belt (P6-3300-1) on the Deluxe Van De
Graaff Generator (P6-3300 and P6-3500).
Be sure your hands are clean and dry before proceeding.
1. Unplug the line cord from the electrical outlet.
CAUTlON: Do not proceed until this is done.
2. Carefully remove the top half of the dome and set it aside.
3. Remove the six cabinet screws from the front and back sides and the top of the base. There are
two screws down low in the front, two more down low in the back, and two on top near the handles.
Do not disturb any other screws.
4. Lift the upper part of the machine clear of the bottom and lay it down in a horizontal position. lf
there is an old belt still installed, slip it off the motor pulley. Stand the machine upright, remove the
upper pulley from the top of the column and discard the old belt.
5. Hang the new belt over the upper pulley, hang the "pull down" ribbon in the bottom loop of the
belt, and then re-insert the pulley assembly back into the slots at the top of the column, allowing the
belt to hang down inside the column.
6. Carefully tilt the machine at about 45 degrees, grab the "pull down ribbon" and slip the new belt
over the motor pulley.
7. Stand the machine vertically again and reconnect the line cord to a 115 volt 60Hz electrical outlet.
Start the machine at slow speed and check to see that the belt is tracking correctly (in the center) on
the upper pulley. If it is not tracking correctly, press down on one end or the other of the axle to force
the upper pulley into a more horizontal alignment.
8. After you have the belt tracking well at low speed, increase the speed and repeat the alignment
procedure until you can operate successfully at full speed.
9. Unplug the line cord from the electrical outlet.
