USER MANUAL ENGLISH1464809000 - SW4000 23MAIN BROOM HEIGHT CHECK AND ADJUSTMENTNOTEBrooms with harder or softer bristles are available.This procedure is applicable to all types of brooms.1. Check the main broom distance from the ground, accordingto the following procedure:• Drive the machine on a level ground.• Engage the parking brake.• Lower the main broom and turn it pressing theaccelerator pedal for approx. one minute. Do notoperate the broom continuously in order not to overheatthe drive motor braked.• Stop and lift the main broom, then move the machineand switch it off.• Check that the main broom print (A, Fig. 6), along itslength, is 2 to 4 cm wide.If the print (A) is not within specifications, adjust the mainbroom height according to the following procedure.2. Turn the knob (A, Fig. 7) as shown below:• To increase the print length, turn the knob counter-clockwise• To decrease the print length lift the broom with the lever(63) and then turn the knob clockwiseNOTEThe knob can be used both to adjust the print and toadjust the broom according to the bristle wear.3. Perform step 1 again to check that the main broom is at thecorrect distance from the ground.4. When the broom is too worn to be adjusted, replace it asshown in the next paragraph.NOTEIf it is not possible to adjust the print (A, Fig. 6)properly, because the pressure on the floor at theends of the broom is different, refer to the ServiceManual.A2 - 4 cm0,8 - 1,6 inP100593Figure 6BP100594Figure 7