-7-
143558 - PileDriver (26-June-2012)
Troubleshooting
Blade Falls Down in
transport.
Lift cylinder hydraulic circuit not connected
correctly.
Trace your hoses from front to back of tractor, making sure angle
circuit connected to rear relief valve, not lift circuit.
GENERAL TROUBLESHOOTING
SYMPTOM
PROBLEM
SOLUTION
PileDriver Wings
won’t hold.
Excessive loading of dozer.
Reduce amount of material pushing. Equipped with safety angle
relief valve, pressure exceeded.
Excessive impact on dozer.
Reduce speed of impact on high load. Equipped with safety
angle relief valve, pressure exceeded.
Cutting Edge Wearing
excessively in Center
of the Blade.
High downward force of dozer in contact
with crown of road.
Adjust skid shoes to prevent cutting edge contact with road
crown.
Change operation of the PileDriver to prevent running on crown
of road.
Cutting Edge Wearing
excessively at Ends of
the Blade.
High downward force on ends of dozer.
Run dozer tilt circuit in float to contour to ground.
Change operation to prevent this type of contact.
Adjust skid shoes to prevent contact.
Hydraulic wing angle
circuit Hoses Pop Out
of valve stack.
Relief valve tank drain hose not connected
properly.
Ensure hydraulic tank drain hose goes directly to tank with no
internal pressure.
Cannot Open D-lock
linkage when attached
to tractor.
PileDriver not raised off the ground.
Lift PileDriver off ground. (Raising the PileDriver blade off the
ground removes pressure from D-lock.)
Foreign material in linkage.
Clean linkage to allow movement.
Difficult or cannot turn
skid shoe jack handle.
Too much pressure on jack.
Raise dozer off ground to adjust skid shoe depth.
Breaking cutting
edge bolts.
Cutting edge bolts not properly torqued.
Under torqued bolts allows impact to break bolts.
Over torqued bolts can fail from too much tension loading.
Torque 5/8” Gr.8 bolts to 225 lb-ft
Torque 3/4” Gr.8 bolts to 400 lb-ft
PileDriver wings won’t
angle or will not come
back from full angle.
Hoses not properly coupled in valve stack.
Remove and re-install hoses into valve stack.
Angle relief valve return to tank line not
properly installed.
Change return to tank line so that no internal pressure, run direct
to tank.
Blade not following
ground contour.
Tilt circuit not allowed to float.
Float hydraulic tilt circuit.
D-lock will not stay
in open position, falls
closed.
Clip pin not being used.
Use clip pin to hold open.
Cannot align front
bracket roller with
main frame front
quick attach lug.
Heights are not aligned.
Use dozer hydraulic lift circuit to adjust main frame front lug
height.
Use jacks on side on main frame to adjust height.
