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CS05/CS06 User Manual ◄ 19
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 saw, always make sure the hydraulic power source is supplying the correct
hydraulic ow and pressure to the saw as listed in the table. Use a owmeter known to be accurate. Check the ow
with the hydraulic uid temperature at least 80 °F/27 °C.
PROBLEM CAUSE REMEDY
Cuts slow. Insufcient uid ow or low relief
valve setting.
Adjust uid ow to proper gpm. For
optimum performance adjust relief
valve to 2250 psi/155 psi.
Chain dull. Sharpen per instructions or replace.
Backpressure too high. Should not exceed 250 psi/17 bar at
8 gpm/30 lpm measured at the end
of the tool operating hoses.
Bar turns color. Insufcient oiler ow. Adjust oiler per Service Manual.
Tool does not run. Power unit not functioning. Check power unit for proper ow
and pressure (4 gpm/15 lpm at 1500
psi/104 bar minimum for the CS05
and 7 gpm/26 lpm at 1000 psi/70 bar
for the CS06).
Coupler or hoses blocked. Remove obstruction.
Mechanical failure. Disassemble tool and inspect for
damage.
Tool runs backwards. Pressure and return reversed. Connect for proper ow direction.
Motor shaft rotates clockwise.
On/Off trigger is hard to press. Pressure and return reversed. Correct for proper ow direction.
Backpressure too high. Should not exceed 250 psi/17 bar at
8 gpm/30 lpm measured at the end
of the tool operating hoses.
Oil leakage around drive sprocket. Motor shaft seal failure. Replace as required. Make sure that
oil present is not the result of excess
oiler ow.
Oil leakage between rear gear hous-
ing and valve handle assembly.
Motor face seal failure. Replace as required.
Chain continues to move after valve
is shut off.
Chain is too loose. Tighten chain.
Input ow too high. Decrease ow.
TROUBLESHOOTING