INSTRUCTIONS FOR USE14 Razor Blade 26D/28D – Razor Blade 28C — 909 6457 000(1)2006-01MACHINE WORKING HOUR CHECK1. Insert the ignition key (12, Fig. B) and turn it to “I”position.2. In the first 5 seconds of machine operation, the display(8, Fig. B) shows the total number of working hours(scrubbing/drying) performed by the machine.Turn the ignition key (12, Fig. B) to “0” position.SQUEEGEE CLEANING1. Drive the machine on a level ground.2. Insert the ignition key (12, Fig. B) and turn it to “I”position.3. Lower the squeegee (12, Fig. C) with the switch (6, Fig.B).4. Turn the ignition key (12, Fig. B) to “0” position.5. Disconnect the vacuum hose (11, Fig. C) from thesqueegee.6. Loosen the handwheels (15, Fig. C) and remove thesqueegee (12).7. Wash and clean the squeegee. In particular, clean thecompartments (1, Fig. F) and the hole (2) from dirt anddebris. Check that the front blade (3) and the rear blade(4) are integral and free from cuts and lacerations;otherwise replace them.8. Assemble in the reverse order of disassembly.SQUEEGEE BLADE CHECK ANDREPLACEMENT1. Clean the squeegee as described in the relatedparagraph.2. Check that the edges (5 and 12, Fig. F) of the front (17,Fig. C) and rear blades (18) lay down on the same level,along all their length; otherwise adjust their height asdescribed below:– Disengage the retainer (6, Fig. F) and loosen thewing nuts (7) to adjust the rear blade (4); then tightenthe wing nuts and engage the retainer.– Loosen the wing nuts (8, Fig. F) to adjust the frontblade (3); then tighten the nuts.3. Check the front blade (3, Fig. F) and the rear blade (4)for integrity, cuts and tears; otherwise replace them asdescribed below. Check that the front corner (9) of therear blade is not worn; otherwise, overturn the blade toreplace the worn corner with an integral one. If the othercorners are worn too, replace the blade as describedbelow.– To replace (or overturn) the rear blade (4) disengagethe retainer (6), unscrew the wing nuts (7) andremove the retaining strip (10). Install in the reverseorder of removal.– To replace the front blade (3) unscrew the wing nuts(8) and remove the retaining strip (11). Install theblade in the reverse order of removal.After replacing (or overturning) the blades, adjust theblade height as described in the previous step.4. Install the squeegee (12, Fig. C) and screw down thehandwheels (15).5. Connect the vacuum hose (11, Fig. C) to the squeegee(12).6. If necessary, adjust the squeegee balance adjustinghandwheel (16, Fig. C).BRUSH/CYLINDRICAL BRUSH CLEANING1. Remove the brushes from the machine, as described inthe Use chapter.2. Clean and wash the brushes with water and detergent.3. Check that the brush bristles are integral and notexcessively worn; otherwise replace the brushes.NOTEThe squeegee must be clean and its bladesmust be in good conditions in order to get agood drying.CAUTION!It is advisable to use protective gloves whencleaning the squeegee because there may becutting debris.CAUTION!It is advisable to use protective gloves whencleaning the brushes because there may becutting debris.