Diamond Products CC21 - Manual (Page 9)

Chapter 5
TROUBLESHOOTING
1. If your saw does not operate properly, the following table may be used as a guide in
diagnosing and eliminating the problem. If you cannot fix it using this table, call our
service representative.
2. Before calling, be sure you can describe the problem clearly so our representative can
help you. Have this manual at hand.
TROUBLE CAUSE REMEDY
Blade drive pressure
fluctuates.
Speed of motor is too
low.
Power unit is defective.
Change to a smaller
motor or increase
GPM.
Check power unit.
Blade does not rotate
when trigger is
depressed.
Blade is jammed in
cut.
Blade shaft key is
sheared or missing
Power unit is defective.
Remove blade from cut
and try again.
Replace blade shaft
key
Check power unit.
Blade continues to
rotate after trigger is
released
Check valve installed
in wrong direction
Faulty check valve
Re-install check valve
in correct direction
Replace check Valve
Saw motor leaks. Motor seals are
defective.
Replace motor or
motor seal.
Coupling leaks. Coupling is defective. Replace coupling or
coupling seal.
No water at blade. Water valve is shut.
Water hose not
connected properly.
Low water pressure.
Check water supply.
Check hose
connections.
Check water pressure
(min. 15 psi)
Poor cutting
performance.
Defective saw motor.
Blade is glazed.
Defective power unit.
Replace saw motor.
Dress blade.
Check power unit.