Download FCC4 Fast Clock Controller

 Hold the top half of the housing with the motor coil
and armature gear over the bottom half. Insert the
metal shaft on gear #2 through its hole in the
housing top. Slide the top down the shaft and
position it so the pins on one half mate with the
holes on the other half. Squeeze the halves
together firmly until their edges touch. You should
hear four or five clicks as you squeeze the housing
together around its perimeter. Squeeze around the
housing two or three times to ensure that is tight
together all the way around
Fig. 64: Primary gears installed.
 Fig. 65 shows the primary gears in place, looking
through the bottom of the closed housing. The
armature gear meshes with gear #1. Transparent
gear #3 is hard to see, and the tiny gear #4 that
meshes with #2 is completely hidden under the
time-setting knob.
 Connect the movement to an operating FCC4, and
check that the primary gears and the time-setting
knob are rotating. If not, disconnect and split the
housing, then try again to position the primary
gears correctly.
 When the primary gears rotate, disconnect the
movement from the FCC4.
 If you chose to remove the secondary gears from
the top housing half, replace them and the gear
retainer, following the instructions and photos
starting on page 42.
Fig. 65: Housing bottom view, primary gears assembled.
 Place the movement into its square black case, as described on page 41. Be sure the wires are
correctly positioned in the slot in the case.
 Install the movement in your clock, attach the hands, connect the clock to the FCC4 clock bus, and
test for smooth and accurate running.
FCC4 Fast Clock Controller User Manual
Page 56