User manual NILFISK BK 900

[. . . ] BK 900 D GB F NL E Betriebsanleitung . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Notice d'utilisation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 303000049 BK 900 1 Description 1. 1 General view Description 1 Side brush 2 Handwheel with knurled nut for side brush adjustment 3 V-belt 4 Collecting tank handle 5 Handle 6 Handwheel for brush roller adjustment 5 6 4 3 2 1 1. 1. 1 Intended use This machine is designed only for sweeping on solid, level surfaces. [. . . ] · Push side brush (1) onto shaft and tighten hexagon bolt (2) with open-end spanner without damaging hub. · Mount side brush arm with pin (push in from outside) and retaining clip (4). Side brush must rotate anticlockwise when sweeper is pushed forward. 2. 3 Starting operation and functional check · Place tank on frame and swivel downward. · To remove tank, swivel upward by handle. 2. 3. 1 Mounting dirt collecting tank 2. 3. 2 Adjusting the side brushes 2 1 · Loosen knurled nut (1) and turn handwheel (2) until a maximum of 2/3 of brush circumference touches ground. Retighten knurled nut as anti-twist lock. 12 BK 900 2. 3. 3 Adjusting brush roller + 0 1 2 3 4 5 · Adjust brush pressure with handwheel. First follow our recommendations and then adapt brush pressure to wear of brush roller or, if necessary, to your local conditions. No. on scale 1 1. 5 2 Material swept light, dry Surface smooth Basic setting heavy, damp, rough, sticky uneven large quantity The side brush allows edges and corners to be swept clean. · Check the sweeping result and then correct the brush pressure if necessary. 2. 3. 4 Functional check · Push the machine at normal walking speed over the surface to be cleaned: The cleaning capacity is dependent on the working speed (number of revolutions of the brush roller). String, wire, packing tape and similar long objects should be picked up from the floor by hand and not swept up with the sweeping machine: This will help to maintain the 2. 4 Supervision of operation sweeping capacity of the machine and prevent machine damage caused by jamming of the drive. · Loosen wing nuts on handle, spread handle apart somewhat and swivel forward. 2. 5 After completing work · Empty the dirt collecting tank. To transport or for space-saving storage: · Swivel up side brush arm 13 Operation NOTE!Excessively high roller pressure increases brush wear and requires greater pushing force. BK 900 3 Maintenance 3. 1 Important safety instructions CAUTION!Carry out only the maintenance work described in the operating instructions. Use only original Alto accessories and spare parts. 3. 2 Maintenance and care 3. 2. 1 Replacing brush roller 1 2 Maintenance · Remove dirt collecting tank. 60642 3. 2. 2 Replacing side brush 1 2 · Swivel up side brush arm. · Pull off side brush (1), push on new side brush and slightly tighten hexagon bolt without damaging hub. [. . . ] Watch marking when mounting the hub cap. 15 Maintenance BK 900 3. 3 Troubleshooting CAUTION!With the exception of the adjustments and setting explained in this operating manual, the user should never try to carry out any repairs on his/her own. The following table will help in locating and eliminating operating faults in the machine. Should it not be possible to remedy the problem as described below, please contact your local Alto service department. Leave repairs to a qualified Alto technician or authorised expert. Problem Machine is difficult to push Cause > Brush pressure too high Remedy · Adjust brush pressure as described in 2. 3. 3 · Remove the parts > Strings or other parts have become stuck in the brush roller Poor dirt pick-up performance > Tank full > Strings or other parts have become stuck in the brush roller · Empty tank · Remove the parts Maintenance > Side brush worn > Brush roller worn · Replace side brush (see 3. 2. 2) · Replace brush roller (see 3. 2. 1) 3. 4 Warranty The warranty and warranty period are defined in our General Conditions for Sale and Delivery. Subject to changes in the course of technical innovations. 16 www. nilfisk-alto. com [. . . ]