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5-3
Troubleshooting
The machine does not
travel in either forward or
reverse directions.
• Engine is not running at full
speed.
• Advance throttle to full engine
speed.
• Hydraulic fluid is cold. • Fully warm hydraulic fluid.
• Hydraulic fluid level is low. • Check and fill the hydraulic
fluid tank with the appropriate
hydraulic fluid.
• Fuel tank is empty and engine
stops.
• Fill fuel tank with fuel.
• If all above has been checked. • Contact authorized service
dealer.
Trencher chain does not
turn
• Trencher control lever not in the
proper position.
• Move trencher control lever in
the activation position.
• Operator presence control not
depressed.
• Depress (step on) operator
presence control.
• Engine not at rated speed. • Move throttle to maximum
RPM setting.
• Power unit is low on hydraulic
fluid.
• Refer to power units
Operator's Manual
• Trencher Chain drive motor is
leaking hydraulic fluid.
• Replace hydraulic auger
drive motor.
Trencher Chain rotates,
but not smoothly or stops
and starts.
• Soil may contain rocks or other
items that are preventing
smooth operation.
• Raise trencher chain from the
trench to clear contact with
the obstruction.
• Power unit is low on hydraulic
fluid.
• Check and fill the hydraulic
fluid tank with the appropriate
hydraulic fluid.
• Trencher hydraulic drive motor
is failing.
• Replace hydraulic drive
motor.
Hydraulic drive motor is
turning but the spoils
auger does not move
• Spoils auger connection bolt not
installed.
• Install and secure connection
bolt.
• Spoils auger connection bolt
has sheared off.
• Install and secure connection
bolt.
Hydraulic fluid is leaking
from trencher drive
motor.
• Hydraulic fitting loose. • Tighten hydraulic fittings.
• Internal hydraulic motor seals
leaking.
• Replace hydraulic drive
motor.
Engine starts but does
not continue to run when
using trencher.
• Too much downward force is
being applied to trencher,
stalling engine.
• Raise trencher slightly.
• Power unit low on fuel. • Refuel power unit.
Poor trencher
performance, does not
penetrate soil easily.
• Worn trencher chain teeth. • Replace worn trencher teeth
• Not enough down pressure on
trencher.
• Increase downward pressure
on the trencher.
Problem Possible Causes Corrective Action