51
Maintenance and Service
6. Install the batteries again in the Pow-
erBoss Collector 34 B, refer to Sec-
tion 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 readjust-
ed.
1. Push the machine onto a dusty sur-
face when the engine is switched off.
2. Switch the machine on, refer to Sec-
tion 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 Section 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. 2.0
in. 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 adjust-
ment 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 Power-
Boss Collector 34 B, the bat-
teries must be removed, refer
to Section 5.5.4!
Before the PowerBoss Collec-
tor 34 B/G can be tipped back,
the handlebar must be adjust-
ed to a vertical position.
1