8
TROUBLE SHOOTING GUIDE
Be sure to follow safety rules and instructions
WARNING!
: The information above is provided to assist the owner to determine action
required to ensure optimum performance of the tool. Do not tamper with the tool. If a
problem is encountered which is not resolved by the above remedies take the unit to an
authorized service agent.
PROBLEM
POSSIBLE CAUSE
REMEDY
Unit will not operate
No supply
Check that supply is available at
power outlet
Switch is faulty
Service agent repair
Motor components
Service agent repair
open or short circuited
Unusual sound or runs Mechanical obstruction
Service agent repair
slowly
Motor is overloaded by
Reduce force applied to tool
unnecessary force
Armature has shorted
Service agent repair
sections
Motor runs but disc will Gear shaft or woodruff key Service agent repair
not
is broken
Disc flange nut not tight
Ensure flange is tight
Heavy sparking occurs Armature short circuited or Service agent repair
inside
open circuited
Surface of commutator not Service agent repair
clean
Motor enclosure gets
Working load too heavy
Reduce force applied to tool
hot
Tool improperly assembled Service agent repair
Low supply voltage
Ensure supply voltage is correct
and if extension cord is used that
it is of adequate rating and fully
unreeled
Gear enclosure gets too Lack of grease in gear box Service agent maintenance
hot
Grease is contaminated by Service agent maintenance
dirt or foreign matter
