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rack drive cogs wearing


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Hi Can someboby help me

Replaced rack drive cogs,shaft and bearings on a dks 1515 ran a film threw it and the cogs had worn. Dev, BX and No1 Stab. racks are fine not stiff spring tentioner at its lowest worm gears replaced. Drive shaft not bent.

Could heater be the problem as prints are hot

many Thanks

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Cogs would be gears.  The problem is probably in the tank heater thermostat circuit. Photo Me, and KIS has an old history of problems with this, although I thought it was gone long ago! Check the temperature of the bath(s) against specs, this may lead you in the right direction.

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