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1. First you will build the bridge. Push a small gear wheel (8) onto the
short end of a long axle shaft (16). Then push a short rod (4) onto the
axle.
3. Then come three small gear wheels (8): One holds the rods in place,
and the others will be needed as a guideway for the crane hook.
5. With the help of four anchor pins (26), attach two long rods (5) to the
other base plate. Be careful to mount the rods correctly.
7. Now attach the drawbridge to the two rods. You will need a long axle
shaft (16) and a small gear wheel (8). The short end of the shaft is to
the front in the picture.
2. The bridge is the width of five short rods (4). Push all the short rods
onto the long axle shaft.
4. A short frame (3) with two anchor pins inserted into it goes on a
base plate (1) with an attachment plate (27).
6. Now connect the two base plates together. They are held securely to
one another by the attachment plate.
8. Next, mount the solar engine (24) with the engine shaft (19) and a
small sprocket wheel (9) onto the base plate. The shaft fits precisely
into the corner of the frame.
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