AEC Colortronic MTF 3000 Series Granulator - Manual (Page 25)

a) Belts are too loose. Tighten per maintenance instructions.
b) Pulleys are not properly aligned. Loosen and align as required.
5. Fan motor will not start
a)
Fuses are blown. Replace fuses with the size and type being removed.
b) A limit switch is open. Check all limit switches at the machine front doors,
hopper doors, or fan. Ensure proper actuation and replace if required.
c) Verify that the correct pushbuttons are being depressed and that the main
disconnect switch is in the ON position.
6. Granulate builds up in the transition or tubing.
a)
Fan is too small. Replace with larger unit or fan wheel.
b) Transition or tubing is clogged due to overloading of the machine. Reduce
amount of feedstock put into the machine per unit of time.
c) Return air vents are covered or too small. Ensure vents are open.
d) Fan wheel is loose of shaft. Tighten setscrews as required.
11.4 Bearing Lubrication
Refer to Section 13.
11.5 Belt Adjustment Procedure
Refer to Section 7
11.6 Spare Parts
Consult with the Colortronic Parts / Service Department toll free at 1-800-229-2919 or by
fax at 1-508-399-6306 for detailed information on the specific fan used on your machine.
The serial number of the fan will be required when ordering parts from Cumberland
Engineering.
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