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The Harriston Clod Hopper is a large machine that removes stones, clod and trash from a stream of potatoes. It
is a simple and reliable system that requires minimum maintenance.
In the following section, we have listed many of the problems, causes and solutions to the problems that you
may encounter.
If you encounter a problem that is difficult to solve, even after having read through this trouble shooting section,
please contact your local Harriston dealer or the factory. Before you call, please have this Operator's Manual and
the serial number from your machine ready.
PROBLEM
CAUSE
SOLUTION
Clod Hopper will not turn on.
E-Stop switches in OFF position.
Reset switches to ON position.
Master switch OFF.
Turn switch to ON.
Circuit breaker tripped.
Reset breaker.
No power to control panel.
Have electrician check
electrical service.
Master switch defective.
Replace master switch.
Start switch defective.
Replace start switch.
One motor doesn't run.
Panel relay tripped/defective.
Reset/replace relay.
Motor wiring damaged/defective.
Repair/replace motor wiring.
Motor defective.
Replace motor.
Trash in produce conveyor/produce
in trash conveyor.
Feeding too much.
Slow down material entering
input conveyor.
Uneven feeding.
Evenly distribute material
across input conveyor.
Dirty rollers.
Clean rollers.
Divider(s) positioned incorrectly.
Position divider(s) at
separating line.
Roller(s) positioned incorrectly.
Adjust rollers to 10 - 10:30
position.
Conveyor belt will not turn.
Conveyor overloaded.
Reduce load on conveyor.
Conveyor belt too loose.
Tighten conveyor belt.
Bearing damaged/defective.
Replace bearing.
Conveyor belt not tracking correctly.
Conveyor roller(s) not square.
Align rollers.
Trash build-up on roller.
Clean roller.
Bearing damaged/defective.
Replace bearing.
Gearbox running hot.
Low on oil.
Add oil.
Replace gearbox.
.
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TROUBLESHOOTING
Summary of Contents for 4240 CLOD HOPPER
Page 1: ...HARRISTON INDUSTRIES 4240 CLOD HOPPER OPERATOR S MANUAL ...
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Page 31: ...23 H a M F G K L E X A N J W Q D S Q W N R Z T A P E B ...
Page 32: ...24 Fig 1B MACHINE COMPONENTS V Y M O P N L a X U a F W R Q G H J a O R Y S T E ...
Page 63: ...55 4 Clean machine with a power washer Fig 43 machine ...
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Page 77: ...69 SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE 7 SPECIFICATIONS 7 1 MECHANICAL ...
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