6 TROUBLESHOOTING
PROBLEM
CHECK
SOLUTION
Blade does not spin.
Blade jammed.
Remove material from blade.
Low oil level.
Check oil level. Add if necessary.
Low oil flow.
Check flow control on skidsteer. See
your dealer.
Low pressure.
Check valve open.
Blade rotates slow or sluggish.
Low oil.
Check oil level. Add if necessary.
Oil filter plugged.
Replace skidsteer oil filter.
Relief valve not set
properly.
Set relief pressure to motor
specification.
Low oil flow.
Set relief pressure to motor
specification.
Excessive vibration.
Cutting teeth worn or
missing.
Replace worn, broken or missing teeth.
Debris lodged in blade. Remove debris.
Rotating cutting head moves slow
or stutters when fully rotated.
On-board pressure
relief valve is set higher
than machine relief
valve.
Adjust on-board relief valve to a lower
pressure setting than machine relief
valve. See Section 4.11 Pressure Relief
Adjustment.
Low cutting power.
Check to see if blade can
be turn backward with
hoses disconnected.
If blade can be
turned,
anti-cavitation
valve (A) may be
stuck open.
Remove and clean
anti-cavitation
valve.
Low flow or pressure.
Check hydraulic pump flow and pressure
Disconnect pressure line to saw and
install a pressure gauge in line. Test
pressure. Contact your dealer if pressure
is low.
Check blade speed with
a photo tachometer.
Contact your dealer for recommended
blade speed based on the motor and
machine GPM.
Hydraulic fluid coming out of zero
leak relief valve.
Case drain connector
for proper connection
and line for obstructions
or pinched line.
Connect case drain line if not connect-
ed. Replace line if damage, obstructed
or pinched.
Combo coupler seals.
Combo coupler seals may be leaking,
allowing pressurized fluid to escape to
the case drain line.
A
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