MAINTENANCE OF THE COMBUSTION ENGINE .......................................................................................................................................... 44
43. THE MACHINE DOES NOT START ................................................................................................................................................................................ 45
44. THE ENDOTHERMIC ENGINE DOES NOT START ....................................................................................................................................................... 45
45. THE MACHINE DOES NOT CLEAN WELL ..................................................................................................................................................................... 45
46. THE MACHINE LIFTS DUST DURING OPERATION ...................................................................................................................................................... 45
47. EXCESSIVE OR ALTERED NOISE OF THE CENTRAL BRUSH ................................................................................................................................... 45
48. EXCESSIVE OR ALTERED NOISE OF THE SIDE BRUSH ........................................................................................................................................... 45
CHOOSING AND USING THE BRUSHES ....................................................................................................................................................... 47