Teagle Telehawk, Operator'S Manual & Parts List

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11
TELEHAWK FAULT FINDING CHART
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PART 2
Symptom Fault Possible Solutions
Fan motor seals
leaking. Back pressure in return line greater than
20bar (290psi). Check return line pressure and fit a minimum
3/4” free flow return pipe back to tank if pres-
sure greater than 20bar (290psi).
Return line disconnected whilst oil flowing and
blowing seal.
Control box not
working.
Polarity on supply cable to control box
incorrect Reverse connections in supply cable
connection.
Damage to electronic circuit Contact manufacturer.
Chute and rotor blocks. Chute exit blocked. Check oil flow (minimum of 60lpm required).
Make sure material can leave the chute freely.
Material not flowing smoothly. Raise deflector to improve flow and rotate
chute to achieve desired delivery position.
Rotor speed low. Check oil flow (minimum of 60lpm required).
Feed rate into fan too high, slow down bed
chain.
Hydraulic valve fails to
operate Hydraulic connections to loader faulty or
not connected or connected in reverse.
Dirt or contamination in the Bypass/
Relief Valve in the flow control slice.
Rectify making sure pressure is applied to the
valve via the supply hose and that the return
line flow is not restricted.
Firstly, remove the Bypass/Relief Valve from
the Flow Control Slice inspect for
contamination clean and replace. If problem
persists or re occurs regularly replace loader
hydraulic oil with new oil.
Loss of operation of
rams and swivel slices.
Also operation of bed
in only 1 direction may
occur. Failure may be
sudden or deteriorate
slowly over a few days. Oil leaking from between slices of the
valve.
Internal failure in valve
Pilot cartridge contaminated.
Pilot manifold orifice blocked.
See section below.
Contact manufacturer for advice.
Replace cartridge.
Replace manifold.
Oil leaking from
between slices of the
valve.
Fan rotor spins but the
other functions don’t
work.
Internal pressure in valve. Check return line hose is connected and that
return line flow is not restricted .
Clamping bolts loose allowing seals to
be extruded Check bolts through valve tightened to correct
torque 13.5 N/M (10Ib ft)
Interface seals damaged by either of the
above. Replace damaged seals.
Bluetooth connection not made or no
power to junction box. Check bluetooth light on control box is
continuously on.
Check 12V is getting to the junction box.
Check cable for damage and repair if needed.