3Rd Broom Position Check And Adjustment; Broom Replacement; Parking Brake Check; Engine Oil Level Check - Nilfisk RS 851 Instructions D'origine

3RD BROOM POSITION CHECK AND ADJUSTMENT

NOTE
Brooms of various hardness are available. This procedure is applicable to all types of brooms.
3rd broom position check
1. Check the 3rd broom for proper height and tilting, according to the following procedure:
• Drive the machine on a level ground.
• Start the machine and bring the 3rd broom arm (1, Fig. AM) straight in front of the cab (as shown in the fi gure) according to
the procedure shown in the relevant paragraph.
• Keeping the machine stationary, lower the 3rd broom completely (2, Fig. AM) and allow it to rotate for a few seconds.
• Stop and lift the 3rd broom, then move the machine.
• Check that the size and orientation of the print left by the 3rd broom is as follows:
– The broom must touch the ground along a circle arc ranging from "10 o'clock" position to "2 o'clock" position (3, Fig.
AM).
– The broom forward tilting angle (4, Fig. AM) must be 10 degrees approximately.
If necessary, adjust the broom according to the following procedure.
2. Engage the parking brake (13, Fig. E).
3. Turn the ignition key (24, Fig. D) to OFF position and remove it.
3rd broom height adjustment
4. Operate on the tensioning self-locking nut (5, Fig. AN) of the spring (6) and consider the following:
• To lower the broom, the nut (5) must be unscrewed;
• To lift the broom, the nut (5) must be screwed.
5. Perform step 1 again.
3rd broom forward tilting angle (4, Fig. AM) adjustment
6. Loosen the locknuts (7 and 8, Fig. AN), then adjust the forward tilting angle (4) by placing a lever in the hole (10) and turning
the tie rod (9).
7. When the adjustment is completed, tighten the locknuts (7) and (8).
8. Perform step 1 again.
9. When the broom is too worn out the adjustment is no more possible; replace the broom according to the instructions in the
relevant paragraph.

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 (13, Fig. E).
2. Turn the ignition key (24, Fig. D) to OFF position and remove it.
3. Remove the lower centre screw (1, Fig. AO), then remove the broom (2) to be replaced. Recover the key.
4. Remove the screws (3, Fig. AO) and the fl ange (4) from the removed broom.
5. Install the fl ange (4, Fig. AO) and secure it with the screws (3) on the new broom.
6. Install the new broom (2, Fig. AO) 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.

PARKING BRAKE CHECK

1. Engage the parking brake lever (13, Fig. E) and check for proper operation. Check also that the brake operates in the same
way on both the front wheels.
2. If necessary, adjust the parking brake according to the instructions in the Service Manual.

ENGINE OIL LEVEL CHECK

1. Engage the parking brake (13, Fig. E).
2. Turn the ignition key (24, Fig. D) to OFF position and remove it.
3. Open the left side lower door (11, Fig. G) by disengaging the fastener (12) with the supplied key.
4. Check the oil level as shown in the Diesel Engine Manual.
5. Close the left side lower door (11, Fig. G) by engaging the fastener (12) with the supplied key.
USER MANUAL
RS 851 33018305(3)2010-01 A
ENGLISH
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