
MAINTENANCE
5680 331176 (9--06)
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C. Turn the idler shaft to raise or lower the
end of the brush as needed to
straighten the brush pattern. Tighten
the mounting screw.
D. Check the brush patterns again and
readjust as necessary.
The brush patterns should be the same
width. If one is narrower then the other,
loosen the jam nut on the adjustment screw
located on the top of the scrub head.
Turn the adjustment screw clockwise to
increase the front brush pattern width. Turn
the adjustment screw counter-clockwise to
increase the back brush pattern width.
Check the brush patterns again. Adjust until
the front and back patterns are the same
width.
Tighten the jam nut.