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Author Topic: RCA 9050 Lat. Pressure Roller Bernie Anderson Jr Master Film Handler Posts: 435 From: Woodbridge, New Jersey Registered: Apr 2000 posted 03-31-2009 11:47 PM                        I was wondering how much pressure should the spring (Part # 23069) in the pivot point of the Lateral Pressure roller have? On my #1 machine, it has more resistance then #2's roller. On the second one the pivot almost seems to flop where the first machine has pretty good tension holding against the drum.  |  IP: Logged Bob Koch Expert Film Handler Posts: 183 From: williams ca Registered: Nov 2001 posted 04-04-2009 01:08 PM                     On RCA reproducers with rotary stabilizers you shouldnt have excessive tension, perhaps the one with considerable tension has a distorted spring. This issue with RCA MI 1040,9030,9050 never seemed to be a factor. In 2machine changeover operations using Simplex SH1000 reproducers it was common for the guide roller to not have enough tension to bring the stabilizer up to speed and the sound would be garbled for a few seconds after changeover. Ive taken many a guide roller apart and increased the sping tension to prevent this but I cant ever recall doing this on an RCA. Make sure all the stabilizer and pressure roller bearings are in good shape. I never had any problems with the metal or felt pressure rollers but the "improved"rubber tired one[51961]I never cared for.  |  IP: Logged

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