7. Raise the brooms and drive forward to reveal
the patterns left by the brooms.
8. Side broom patterns should be crescent-shaped
and approximately 4 inches wide at the top
and should overlap the main broom pattern
(Figure O-2).
9. Main broom pattern should be an even 4 to 6
inches wide and should not taper. After sweep-
ing, the broom tips should have an even
amount of dirt on all of them.
If the patterns do not conform to those in Figure O-
2, adjust the brooms. See procedures in the Service
Procedures Section.
10. Check side broom tilt with a protractor. The
broom should tilt 5° forward and 5° to the out-
side for best sweeping performance under nor-
mal conditions (Figures O-3 and O-4). If the
street to be swept is highly crowned, a greater
angle may be needed.
OPERATION
O-16
Figure O-5
Dirt Shoe
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