15
16mm PRECISION PROJECTOR
WARNING: Never use a fuse having a capacity greater than l½
amperes. The purpose of the fuse is to protect the ampli-
fier. If the wrong fuse is used the protection is lost.
f. Reel Belts - Locate the point where the ends of the belt are screwed together. Unscrew
the joint and screw the end of the new belt on to the old belt. Pull out the old belt,
thereby threading the new belt over the pulleys. Turn the ends of the new belt 1½ or 2
turns in the direction opposite to the one in which they will normally screw together,
then place the ends together and join them.
Note: If the ends of the belt are not turned backwards before screwing them together, the
belt will come open under tension.
When installing the rewind belt always cross the belt before joining
the ends.
g. Drive Belt - Remove the four screws (11 Fig. 6), loosen the two set screws which hold
the volume and tone control knobs (12) in place and pull off the knobs and tip the top
of the control panel towards you. Remove the front cover from the mechanism and
pull off the drive belt (12 Fig. 6). Install a new belt on the pulleys and make sure that
the idler roller is placed on the outside of the belt.
h. Removal of Amplifier - Remove the photocell receiver as described in paragraph (c),
and the tube cover as described in paragraph (d), then remove the control panel as
described in paragraph (g). Tip the projector over on its back and remove the three
hexagonal nuts which hold the base to the projector. Lift off the base and take out the
four screws which attach the amplifier to the projector base housing. Partially remove
the amplifier, then disconnect the connector located on the side of the amplifier
adjacent to the projector motor, and complete removal of the amplifier.
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