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Quarterly
1. Check the take up shaft and feed shaft lock collars. The lock collar should be next
to the shaft support block. If the collars are not positioned properly the shaft will
shift side to side causing irregular tracking of the paper.
collars too tight against blocks may stall take up transmission!
2. Check the grit shaft setscrews to ensure they are fastened properly. A loose set
screw can cause frame to frame gapping/overlapping and intraframe registration
problems due to paper shift.
3. Check X & Y-axis transmission pinion gear set screws. Access the transmissions
by removing the right end cover of Summit.
unexplainable Y-axis shifting or sometimes no movement at all.
4. Check flex coupling set screws to ensure they are fastened properly.
coupling connects the x-axis transmission drive pin to the grit shaft pin.
5. Level the stand. A twisted stand induces tracking problems.
6. Check take-up shaft transmission flex coupling set screws.
connects the take up transmission gearing to the take up transmission drive
motor.
Warning:
A loose setscrew can cause
The flex coupling
Pressing
The flex
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