Side Broom Position Check And Adjustment; Side Broom Replacement - Nilfisk RS 501 Manuel D'utilisation

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SIDE BROOM POSITION CHECK AND ADJUSTMENT

NOTE
Brooms of various hardness are available. This procedure is applicable to all types of brooms.
Check
1. Check the side brooms for proper height and tilting, according to the following procedure:
• Drive the machine on a level ground.
• While keeping the machine stationary, fully lower the side brooms and allow them to rotate for a few seconds.
• Stop and lift the side brooms, then move the machine.
• Check that the size and orientation of the prints left by the side brooms are as follows:
– The right side broom must touch the ground along a circle arc ranging from "11 o'clock" position to "4 o'clock" position
(1, Fig. AB).
– The left side broom must touch the ground along a circle arc ranging from "8 o'clock" position to "1 o'clock" position (2,
Fig. AB).
Adjust the broom height when the prints are out of specifi cation, according to the following procedure.
2. Engage the parking brake with the lever (7, Fig. E).
3. Turn the ignition key (17, Fig. D) counterclockwise, to the end of stroke, then remove it.
Broom height adjustment
4. On both sides of the machine, operate on the tensioning self-locking nut (1, Fig. AA) of the spring (2) and consider the
following:
• To lower the broom, the nut (1) must be unscrewed;
• To lift the broom, the nut (1) must be screwed.
5. Perform step 1 again.
Broom forward tilting angle (3, Fig. AA) adjustment
6. On both sides of the machine, loosen the screws (5 and 6, Fig. AA), then adjust the forward tilting angle (3). When the
adjustment is completed, tighten the screws (5) and (6).
7. Perform step 1 again.
Broom side tilting angle (4, Fig. AA) adjustment
8. On both sides of the machine, loosen the screws (7 and 8, Fig. AA), then adjust the side tilting angle (4). When the adjustment
is completed, tighten the screws (7) and (8).
9. Perform step 1 again.
Broom side position adjustment
10. The purpose of this adjustment is to improve the side position of the brooms as to the suction inlet (10, Fig. G).
11. To perform the adjustment, loosen the nuts (9, Fig. AA) and operate on the screw (10), thus changing the side position of the
brooms.
NOTE
When the side brooms are too worn out, the adjustment is not possible; replace the brooms according to the instructions
in the relevant paragraph.

SIDE BROOM REPLACEMENT

NOTE
Brooms of various hardness are available. This procedure is applicable to all types of brooms.
CAUTION!
It is advisable to wear protective gloves when replacing the side brooms because there can be sharp debris
between the bristles.
1. Lift the brooms and engage the parking brake (7, Fig. E).
2. Turn off the engine, by turning the ignition key (17, Fig. D) counterclockwise, to the end of stroke, then remove it.
3. Remove the centre screw (1, Fig. AC), then remove the broom (2) to be replaced. Recover the key.
4. Remove the screws (3, Fig. AC) and the fl ange (4) from the removed broom.
5. Install the fl ange (4, Fig. AC) and secure it with the screws (3) on the new broom.
6. Install the new broom (2, Fig. AC) with the key, then tighten the centre screw (1).
7. Adjust the height of the new broom according to the procedure shown in the relevant paragraph.
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USER MANUAL
33015501(3)2008-02 A RS 501