Polaroid ProCam Repair Manual page 65

4. Put the Top Cover on the ProCam and then retest the ProCam to verify that
the Catch Pawl catches (stops) the Quintic at the correct position.
Note: If it does not stop at the correct position, re-adjust the adjusting screw
of Solenoid 1, 1/2 turn at a time, until the quintic is caught by the Catch
Pawl.
5. When the proper Quintic catch is achieved, replace the Top Cover.
6. If steps 1 through 3 fail to produce the correct Quintic catch, disassemble the
ProCam to the Shutter level. Inspect the Solenoid 1plunger, the Catch Pawl,
and the Quintic elements for dirt, binding parts and damage. Correct any
problems found, re-assemble the Shutter and then retest the ProCam.
2 - 23