FP 25/30/38/50 E
Issue: 06/2011
79
6 .4 .6 Changing a Constant Speed Sprocket / Pad Shoe
• Loosen the locking nut (black arrow)
and the adjusting nut (white arrow) of
the pad shoe with the special tool –
the spring will relax.
• Pull the pad shoe from its shaft.
• Loosen the film stripper setscrews
(two black arrows) and remove the film
stripper.
• Turn the sprocket locking screw (on
sprocket surface) anticlockwise five to
six turns to loosen the sprocket.
• Pull the sprocket from its shaft.
X
NOTE
If the teeth of sprocket are worn on one
side only, you can turn it and use the
other side (not with combined sprockets). Otherwise you must replace the sprocket.
• Install the sprocket onto the shaft with a slight counter-pressure on the belt wheel in
the projector.
• Tighten the locking screw on the sprocket again.
X
NOTE
The sprocket end play should be between .0004” (0.01 mm) and .001” (0.03 mm).
• Put on the film stripper again and fasten the 2 stripper setscrews in a way that it does
not touch the sprocket surface.
• Grease the pad shoe shaft with Cardan oil and then put the pad shoe onto the shaft.
• Place the torsion spring in the hole of spring cage and place the whole assembly in
pad shoe again.
X
NOTE
Be sure that spring end is placed exactly in hole of pad shoe.
Repair and Adjustments
Summary of Contents for FP 25 E PREMIERE
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Page 22: ...FP 25 E Issue 06 2011 10 ...
Page 56: ...FP 25 E Issue 06 2011 44 ...
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Page 104: ...FP 25 E Issue 06 2011 92 Figure 1 1A 1C 1B 1D Figure 2 2A Fig 2A Fig 2B Fig 2C 2D 2B ...
Page 110: ...FP 25 E Issue 06 2011 98 10A Figure 11 Figure 11 11A 11B 11C Fig 11A Fig 11C Fig 11B ...
