Nilfisk-ALTO SW 850S B - Manual (Page 68)

USER MANUAL ENGLISH
SW 850S B 146 0789 000(4)2007-03 A 17
MAIN BROOM REPLACEMENT
CAUTION!
It is advisable to wear protective gloves when replacing the main broom because there can be sharp debris
between the bristles.
Drive the machine on a level fl oor and press the pedal brake (26), if equipped.
Turn the ignition key (61) to "0".
Loosen the knobs (A, Fig. 4) on both sides of the machine.
Move the height variation indicators (B, Fig. 4) until the main broom is at the maximum distance from the ground. Tighten the
knobs (A, Fig. 4).
Open the hood (7).
On the left side of the machine, loosen the knob (C, Fig. 4).
Remove the main broom cover (A, Fig. 5) by pressing it downwards to disengage the fasteners (B).
Remove the main broom (C, Fig. 5).
Check that the drive hub (A, Fig. 6) is free from dirt or foreign materials (ropes, rags, etc.) accidentally rolled up.
The new main broom must be installed with the bristles rows (A, Fig. 7) bent as shown in the fi gure.
Install the new main broom and ensure that the mesh (A, Fig. 8) correctly fi ts into the relevant drive hub (A, Fig. 6).
Install the main broom cover (A, Fig. 5) by engaging the fasteners (B).
Tighten the knob (C, Fig. 4).
Adjust the main broom height as shown in the previous paragraph.
S311459 S311460
Figure 4 Figure 5
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Figure 6 Figure 7 Figure 8
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