52
Maintenance and Service
6. Install the battery again in the
Sweepmaster B650, refer to Section
5.5.4.
7. After changing the rotary brush
(Fig. 20/1), readjust the sweeping
pattern as necessary.
5.8.3 Setting the sweeping pattern
In the case of brush wear, and after
changing the rotary brush (Fig. 20/1),
the sweeping pattern must be
readjusted.
1. Push the machine onto a dusty
surface when the engine is switched
off.
2. Switch the machine on, refer to
paragraph 3.3.1, and allow the rotary
brush to rotate for a short time while
at a standstill.
3. Switch the machine off,
refer to paragraph 3.3.5.
4. Tip the machine up at the front a little
and pull the machine back a short
way.
5. Examine the sweeping pattern
(brush stroke) produced on the dusty
ground: The width of the sweeping
pattern must be approx. 5 cm. The
borders of the sweeping pattern
must be parallel.
Fig. 21
1 Rotary brush height control knob
6. Open the hood.
7. Adjust the height of the rotary brush
by means of the control knob
(Fig. 21/1).
8. Close the hood.
9. Repeat steps 1 to 8 until the
adjustment is correct.
5.8.4 Changing the sealing strips
The rotary brush is surrounded by four
sealing strips: a front apron, two rear
aprons (front and rear) and two side
aprons. The four sealing strips must be
checked weekly and changed in the
case of wear.
1. Tip the machine to the rear.
Before tipping the
Sweepmaster B650, the
batteries must be removed,
refer to Section 5.5.4!
Before the Sweepmaster can
be tipped back, the handlebar
must be adjusted to a vertical
position.
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