FIELD WINDING

WHITE

BLACK

BRUSH #1

 

NUT

WlDE BLADE

WIRE

ii[ lllllll[BW '

_BLACK

POWER CORD

BRUSH #2

"==e3

BLACK

SPDT SWITCH

Circuit Diagram

Trouble Shooting of brake by qualified ser-

vice person only.

I. Check commutation at no load. If there is a heavy sparking which follows the curvature of the commu- tator: replace the armature

2To continue trouble shooting, now unplug the power cord

3.Install new brushes,especially if delayed come-in of brake has been noticed before failure.

4Check brake circuit for continuity: remove motor cap 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 or replace field assembly or replace switch

5.After repair, check direction of blade rotation vs guard arrow.

25

Page 25
Image 25
Sears 113.23522, 113=235240 manual Trouble Shooting of brake by qualified ser, WlDE Blade, Power Cord, ==e3