SERVICE MANUAL
ENGLISH
SWEEPING SYSTEM
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 (A) ranging from “11 o’clock” position to “4 o’clock” position.
•The left side broom must touch the ground along a circle arc (B) ranging from “8 o’clock” position to “1 o’clock” position. 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 (66).
3.Turn the ignition key (76) to OFF position and remove it.
Broom height adjustment
4.On both sides of the machine, operate on the tensioning
•To lower the broom, the nut (C) must be unscrewed;
•To lift the broom, the nut (C) must be screwed.
5.Perform step 1 again.
Broom forward tilting angle adjustment
6.On both sides of the machine, loosen the screws (E) and (F), then adjust the forward tilting angle (G). When the adjustment is completed, tighten the screws (E) and (F).
7.Perform step 1 again.
Broom side tilting angle adjustment
8.On both sides of the machine, loosen the screws (I) and (L), then adjust the side tilting angle (H). When the adjustment is completed, tighten the screws (I) and (L).
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 (12).
11.To perform the adjustment, loosen the nuts (J) and operate on the screw (K), thus changing the side position of the brooms.
12.When the side brooms are too worn out, the adjustment is not possible; replace the brooms according to the instructions in the relevant paragraph.
RS 501
19
