Turntable Motorizing Kit #7900

The motor must be connected to a variable speed DC power pack (transformer).
An HO or N scale power pack will work best.  This will only control the
turning speed and direction of the bridge.  It does not control the track
on the bridge.

Photo of parts in the kit.  The gears are extra.  You may never need them.
They are the same gears that are pre-assembled in the gear box.

 
Bracket fastened to gearbox

Fasten drive drum to shaft.  Be sure the screw hits the flat on the drive shaft

View showing position of drive drum in relation to the mounting bracket

Slide O rings onto drive drum

Alignment of motor to and the drive wheel

Spring attached to bracket.  Stretch the spring using a wire and draw it toward the
drive wheel

Fasten the motor wires to an HO or N gauge transformer.