MAINTENANCE
11.BRUSH MOTOR
(Refer to Brush Motor Group in parts section of manual).
!
Do not use a pressure washer to clean around the brush motors. Use tap pressure only.
CHANGING BRUSH MOTORS
1.With the scrub deck in the stored position, disconnect brush motor wiring connector from harness.
2.Loosen side squeegee locking knob, and pivot side squeegee away from scrub deck to access and remove scrub brushes or pad drivers.
3.Remove retaining bolt, lock washer, flat washer and star drive from brush motor shaft.
4.Remove 4 brush motor mounting bolts located under scrub deck.
5.Remove brush motor. If needed, lower scrub deck for more clearance.
6.Reverse steps to install.
BRUSH MOTOR CARBON BRUSH REPLACEMENT
1.Scribe alignment marks on motor barrel to motor cap and motor barrel to motor frame.
2.Remove end cap from motor.
NOTE: Motors contain two wave washers in cap. Do not lose these.
3.Release brush from spring tension. Remove screw connecting brush wire lead to brush holder. Clean brush holder to insure free movement.
4.Install new brush and reinstall connecting screw and lead.
5.When all new brushes are installed. Place all in retracted position, held into brush holder by spring tension.
6.Carefully place end cap onto bearing on motor shaft.
NOTE: On motors use care to assure wave washer alignment.
7.With end cap in partially installed position, release all brushes to contact position with motor commutator.
NOTE: Failure to insure all brushes are released will result in motor failure.
8.Reset end cap and realign with scribe marks on motor barrel.
9.Maintain alignment between motor barrel base and cap, and between motor barrel and motor frame. Reinstall the two attach bolts from cap into base
| SGJ32 86037680 01/03/07 |
