Copyright 12/14 75 S/N XXXX WO#XXXXXX
Smoracy, LLC
MODEL 3680 TROUBLE SHOOTING
TROUBLE SHOOTING GUIDE
PROBLEM - DISCHARGE CONVEYOR BELT NOT RUNNING: (cont.)
(All other hydraulic systems are working)
Possible Cause Possible Solutions
Check to see if the key in the hydraulic Check shaft for damage and replace key.
drive has sheared.
Broken drive or idler drum assemblies. Check both drive and idler drums to make sure they
are all right as well as the bearings that support them.
No hydraulic system pressure. Trace the pressure line from the valve bank back to
the manifold used for the Hydraulic Shut Down
system. Identify the electric solenoid for this circuit
and verify that you have a 24 volt reading (12 volt on
some models) with the ignition switch on. These
solenoid valves need to be energized or the oil is
pumped back to tank. If you have the proper voltage,
try swapping this solenoid with another to determine if
it is bad. If the problem moves to the circuit you
swapped with then the solenoid is at fault. If the
problem stays with the circuit you are working on then
the pump is your problem.
PROBLEM - DISCHARGE CONVEYOR BELT BOUNCING OR JERKING:
(All other hydraulic systems are working)
Possible Cause Possible Solutions
Material wedged in idler With machine shut down, remove any debris trapped
drum causing a high spot. in the idler drum roll.
Bent shaft on drive or idler drum rollers. Check both drum rollers and replace if damaged.
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