Nilfisk-ALTO CR 1500 User Manual download pdf (Page 30)

GENERAL MACHINE MAINTENANCE

MAIN BROOM LEVEL ADJUSTMENT

The main broom level is factory set and shouldn’t need adjustment, if the level gets out of adjustment and the broom bristle

contact pattern is not an even 2” to 3” (5 to 8 cm.) wide. Adjust the broom arm lift frame. The frame is supported by two

ﬂ ange bearings. These bearings are located inside the broom doors. The carriage bolts on the two end ﬂ anges must be

loosened. The frame can then be leveled and the bolts tightened.

HOW TO ADJUST MAIN BROOM WEAR PATTERN

When the bristles of the broom begin to wear out the following adjustments may be made to keep a 2-inch (5-cm.)

broom pattern.

1. Loosen the nut located in the engine compartment.

2. Set the broom lever to the “Sweep” position and adjust the lock nut to obtain a 2-inch (5 cm) broom pattern. The

lock nut will move the adjusting rod that adjusts the sweeping pattern of the broom for wear.

FIGURE 25

SIDE BROOM LEVEL ADJUSTMENT

As the Side Broom (A) wears, loosen the two wear adjusting bolts and slide the broom-motor assembly into a position so that the broom contacts

the ﬂ oor at a 3 degree angle when lowered as shown in Figure 25.

SIDE BROOM REPLACEMENT

Put the side broom lift control in the “UP” position. Remove the retaining screw in the bottom middle of the side broom. Remove the side broom.

Transfer the side broom ﬂ ange spacer and screws to the replacement side broom. Put the replacement side broom on the shaft. Put the retaining

screw in position and tighten.

Raise or

Lower for

Wear Adjustment

Forward

Floor

Contact

Area

A-30 / ENGLISH

A-30 - FORM NO. - 56041719 - CR 1500

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Nilfisk-ALTO CR 1500 User Manual Page 30