M&R 12 COLOR, Руководство пользователя

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Troubleshooting Procedure
PROBLEM PROBABLE CAUSE/SOLUTION
In the automatic mode the press
cycles a few times and then stops.
The indexer raises and the print sta-
tions start to print but do not com-
plete the print stroke.
The indexer over-travels and is so
rough that it clanks or the machine
moves.
The print station goes through the
flood cycle and print cycle, however
the flood bar and squeegee do not
go through the change over.
1.The center proximity switch is loose or not making contact. Push the Emergency stop
push button. Check to see if the proximity switch mounted to the underside of the
print station support arm is loose. Before tightening adjust so that the proximity
switch tip is approximately 1/8” away from the indexer registration bracket when the
carousel is in the upper position. The L.E.D. light on the proximity switch will be on
when the switch is properly adjusted.
2. Safety cord has broken or has a loose wire connection. Check all safety cords at
plugs with a continuity tester for “Open” or broken conductors. Replace the safety
cord as necessary.
1. A print station flow control valve is mis-adjusted. Turn the knob on the flow control
that is farthest away from you counterclockwise to increase air flow to the stroke
cylinder.
2. Center table proximity switch not giving signal. The proximity switch may be loose
requiring adjustment. Push the Emergency stop push button. Check to see if the
proximity switch mounted to the underside of the print station support arm is loose.
Before tightening adjust so that the proximity switch tip is approximately 1/8” away
from the indexer registration bracket when the carousel is in the upper position. The
L.E.D. light on the proximity switch will be on when the switch is properly adjusted.
3. Solenoid valve is sticking or there is an air leak in the system. Remove the access
covers from the top of the carousel and check for any air leaks. Press on the white
test button on the end of the print station valves to be sure that they are free and that
nothing mechanical has stopped the print station from moving. This action will also
serve to clear any dirt or lint that might be blocking the spool slide, to be forced
through the valve.
1. If the pallet sizes have been changed, the difference in the mechanical load on the
indexer can result in excessive vibration during indexer operation. Adjust the “Pallet
Sizes” control in the “OPTIONS” menu of the Operator Interface control panel.
1. Solenoid Mac valve for the chopper cylinders has failed. With the power turned
“OFF” to the equipment, manual activate the Mac valve for the chopper cylinders. If
the action takes place, the valve is operating fine.
You must now check the solenoid for the condition of the coil with an Ohm meter or
continuity tester. If the coil is “open” replace with a new coil.
M&R Printing Equipment, Inc. - Glen Ellyn, Illinois
126