ENGLISH SERVICE MANUAL26 909 6510 000(3)2007-12 Razor Blade 26D / 28D / 28CBRUSHING SYSTEMCHECK/REPLACEMENT/ADJUSTMENT OF DRIVING BELTS BETWEEN MOTORS AND CYLINDRICALBRUSHESCheckDrive the machine on a level floor.Turn the ignition key (12) to "0".On both sides of the machine, unscrew the knobs (A) and remove the side skirt assembly (B).Remove the screw (C), then remove the covers (D).Loosen the nuts (E) and remove the covers (F).Visually inspect the belt (G) for integrity, cuts, tears or cracks and, if necessary, replace it according to the following procedure.Check the belt tension (G) according to the following procedure.ReplacementIf the belt (G) must be replaced, loosen the nut (J) and move the pulley (K) to loosen the belt.Tension the belt (G) according to the following procedure.Belt tensioningCheck the tension of the belt (G) between motor and brush. The tension is correct:when pressing the belt in its centre with a force of 22 lb (10 kg) (H), the belt bends for 0.35 in (9 mm).If necessary, tension the belt according to the following procedure:Loosen the nut (J) and adjust the position of the pulley (K). When tensioning procedure has been performed, tighten the nut(J).Repeat step 10.ResetPerform steps 3 to 5 in the reverse order.S3013311.2.3.4.5.6.7.8.9.10.•11.12.13.
