2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 417Get this manual

2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 417

4Inspect the brush leads for cracks, wear, or frayingIf any of these conditions exist, replace with new brushes and brush
commutator as emery particles will become imbedded in the brass commutator resulting in short circuitUse only #200 grit sandpaper
8Inspect the commutator end of the armature for buildup in the groovesCarefully remove any buildup by undercutting using
thinly ground hacksaw bladeDo not undercut any deeper than the original groove which can be seen by looking at the end of
the commutator9Using caliper, measure the undercutMaximum undercut groove must be 0.2 mm (0.008 in0725-653 12Inspect the
ground brushes to make sure they are properly groundedUse multimeter and the following procedureASet the selector to the
OHMS positionBTouch the black tester lead to ground brushCTouch the red tester lead to the brush holder assemblyNOTE: If
no resistance is indicated, check the ground connection for tightness and for cleanlinessIf there is still no meter indication,
replace the brush assembly ATV-1054 ! CAUTION Buildup in the grooves must be removed to prevent any chance of an electrical