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20 ► DS06 User Manual
If symptoms of poor performance develop, the following chart can be used as a guide to correct the problem.
When diagnosing faults in operation of the tool, always check that the hydraulic power source is supplying the cor-
rect hydraulic ow and pressure to the tool as listed in the table. Use a owmeter known to be accurate. Check the
ow with the hydraulic oil temperature at least 80 °F/27 °C.
SYMPTOM CAUSE SOLUTION
Tool does not run. Hydraulic power source not
functioning correctly.
Check power source for proper ow and
pressure (7–9 gpm 26–34 lpm at 2000
psi/140 bar.
Coupler or hoses blocked. Remove obstruction.
Mechanical failure. Have tool serviced by authorized dealer.
Tool runs backwards. Pressure and return lines incorrectly
connected.
Correct hose connections. Motor shaft
rotates counterclockwise as viewed from
the end of the motor shaft.
Diamond saw cuts slow. Insufcient uid ow or too high
back pressure or relief valve set too
low.
Check hydraulic supply. If hydraulic
supply is correct, have unit serviced by
authorized dealer.
Back pressure too high. Should not exceed 250 psi/17 bar at 9
gpm/34 lpm measured at the end of the
tools operating hoses.
Loss of diamond segment side
clearance.
Replace chain.
Chain segment dulled because of
continuous use in hard material or
rebar.
Redress segmented by cutting in
abrasive material (i.e. concrete, building
block, etc.). NOTE: This indicates that
the wrong chain is being used.
Wrong chain for application. Scale down to a lower numbered chain.
Wired edged bar rails. Dress rails square.
Hydraulic uid mixed in water
supply.
Have tool serviced.
Excessive vibration and cuts
rough.
Segment(s) broken or missing. Repair broken segment or replace chain.
Chain installed backwards. Correct chain direction.
Loose chain tension. Re-tension the chain.
Excessive feed force. Reduce feed force.
Will not cut straight. Accumulated saw bar wear and
uneven chain segment prole wear.
Turn the saw bar over and dress rails
square. Replace the saw bar and chain.
Loss of power. Drive sprocket slipping on
Trantorque® adapter.
Adjust and tighten Trantorque® adapter
to 17 ft lb/23 Nm.
Trigger hard to press. Pressure and return hose reversed. Connect for proper ow direction. Motor
shaft must rotate clockwise.
Back-pressure too high. Should not exceed 250 psi/17 bar @ 9
gpm/34 lpm measured at the end of the
tool’s operating hoses.
TROUBLESHOOTING