Copyright 12/14 24 S/N XXXX WO#XXXXXX
Smoracy, LLC
MODEL 3680 AUTOFEED SECTION
TROUBLE SHOOTING
IF THE POWER TO CHECK THE FEED SOLENOID IS INCONSISTENT OR
DOES NOT WORK, CHECK THE FOLLOWING WITH A MULTIMETER:
MULTIMETER SET AT RX100 RANGE
TP1 to TP5 0 ohms
TP2 to TP6 0 ohms
TP3 to TP7 0 ohms
TP4 to TP9 0 ohms
TP10 to TP8 0 ohms
TP4 to TP8 0 ohms with ON-OFF switch ON
AC VOLTAGE TEST
With the engine running and the multimeter set to the 0-50 Volts AC range, TP1 or TP5 should show a
reading of 6-40 Volts AC to ground.
DC VOLTAGE TEST
With the autofeed turned on, the engine at idle, and the multimeter set to DC Volts, TP4 or TP8 should
show a reading of 12-16 Volts DC to ground. The feedwheels should not be turning.
1. Select DC volts on the multimeter.
2. Put the red (+) lead on the multimeter to the red lead supplying power to the speed sensor.
If there is no voltage:
a. Check the 7.5 amp in line fuse and replace if bad.
b. Check the wires to the quick connectors on both sides of the speed sensor control.
(Making sure they are not broken)
c. Check the wires at the solenoid valve.
NOTE: The solenoid will be ON when the engine is off (with key turned to the on position) or when the
RPM is at a low idle. If the above adjustments and voltage checks do not work, then replace the
autofeed control. Call your dealer and they can send another control already programmed for the
engine used on the recycler.
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