8999127: v1 14/08/2018
Page 6.1 of 6.1 pages
Original instructions (ENGLISH)
Website: www.spearheadmachinery.com
6
Troubleshooting
If the Quadsaw malfunctions, search the causes and the solution of the problems in the following table:
PROBLEM
CAUSE
REMEDY
Valve or engine leak
Too high return oil pressure
Check oil pressure. Free to tank.
Change washer
Too high leak oil pressure
Check oil pressure. Free to tank.
Change washer
Return hose not correctly mounted or
has fallen off
Install correctly or reinstall. Change
seals and/or lid on the valve
Overheating
Incorrect machine speed
Test RPM on tool
Wrong oil level
Check oil level
Wrong oil type
Empty the tank and refill with correct
oil type
Blockage of blades
Remove cutting/debris
Air temperature is too high
Install a hydraulic oil cooler. Reduce
operating speed
Hydraulic failure
Oil level too low
Refill with oil to the correct level
Oil leak in pressure hose
Check machine for oil leaks
Oil pump filter is blocked
Replace the filter element
Branches get “frayed”
Larger branches than recommended
Never exceed the recommended
maximum branch sizes of the
Quadsaw
Working during winter time
Work during growth season
Cutting result skewed/hacked
Defective rotor bearings
Change bearings
Rotor or blade damaged/bent
Change rotor/blade and only work on
suitable material
Forward drive too fast
Adjust speed
Tool is shaking
Rotor or blade damaged/bent
Change rotor
Weight of blades uneven due to wear
Sharpen until even weight or replace
A blade is stuck
Loosen the blade
A blade is broken
Replace the blade
Cuttings are thrown towards the cab
Tool is turned so that the rotor is
facing the cab
Only operate as recommended by
Spearhead Machinery
A rotor stops
Belt tension incorrect
Adjust to correct tension
