Wiring Diagram
Wide Blade
Power Cord
Troubleshooting Of Brake By Qualified
Service Person Only
1. Check commutation at no load. If there is a heavy
sparking which follows the curvature of the commutator
replace the armature.
2. To continue trouble shooting, now unplug the power
cord.
3. Install new brushes, especially if delayed come-in of
brake has been noticed before failure.
White
Wire
Nut
White
Gray
Black
2 N.C.
3 N.O.
SPDT Switch
4. Check brake circuit for continuity: Remove motor cap
5. After repair, check direction of blade rotation vs. guard
26
Field Winding
Brake Winding
1 COM
and brushes. Use ohmmeter to check continuity from
brush terminal to brush terminal. If open, locate exact
place using ohmmeter. As indicated by test, tighten
connection, replace field assembly, or replace switch.
arrow.
Black
Black
Brush #1
Armature
Brush #2
Blue