17
TOMAHAWK FAULT FINDING CHART – PART 2
Symptom
Fault
Possible Solutions
Shear bolt fails.
Blockage in rotor housing
Harsh engagement of the PTO
Unblock the rotor housing
When starting the machine ensure engine revs
are as low as possible.
Control desk not
functioning.
No power to the machine electrics
Check power is live at the socket. Investigate
wires.
Polarity on supply cable to control desk
incorrect.
Reverse connections in supply cable
connection.
Auxiliary stop button depressed.
Release stop button.
Bluetooth connection has not completed
and the LED is still flashing preventing
the control desk from turning on.
Should the control desk fail to connect to the
machine unit press the “ON” and “OFF” buttons
together for 2 seconds. Or remove all plugs, wait
10 seconds & re-connect and try again.
Damage to electronic circuit.
Contact Teagle Machinery Ltd.
Conveyor Belt will not
fold up or unfold from
transport /working
position
Hydraulic hoses incorrectly connected to
the tractor.
Ensure the correct pairs of hoses are connected
to the tractor.
Tractor hydraulic system fault.
Consult tractor troubleshooting manual.
Conveyor Stops or
runs slowly
Control desk turned off / faulty.
Ensure control desk is on and connected.
See solutions in control desk section above.
Auxiliary stop button depressed.
Release stop button.
Material jamming conveyor.
Visually inspect and remove any blockages.
Incorrect belt tension.
Tension belt according to section 12.12.1.
Insufficient oil flow from the pump.
See hydraulic valve and pump section. Increase
oil supply to the motor by adjusting the thumb
screw.
PTO speed too low.
Ensure PTO speed is set to 1000RPM.
Conveyor belt pulls
off support rollers
Incorrect belt tension.
Tension belt according to section 12.12.1
Excessive vibration
from the machine
Rotor unbalanced.
Check the hammer layout is correct.
Hydraulic valve fails
to operate.
No oil flow from the pump.
Check oil shut off tap is on.
Check tension of pump drive belts
No electric power supply to the machine.
Ensure the power supply is connected.
Check the in line fuse (fuse is blown if the fuse
holder LED is on).
Check for damage to the power supply cable.
Dirt or contamination in the proportional
flow slice or relief valve controlling the
bale chamber speed.
Remove the proportional cartridge and relief
valve from the flow control slice inspect for
contamination clean and replace. If problem
persists or reoccurs regularly, replace hydraulic
oil with new clean ISO HV46 grade oil.
Replace Suction and return line filters.
