
220 LIGHT AND HEAVY VEHICLE TECHNOLOGY
linings, including an increased effective life because of
the greater volume of friction material available for
wear, and less possibility of scoring owing to the absence
of any accumulations of abrasive particles. From practi-
cal considerations, however, the greater ease of friction
lining replacement made possible with the riveting
method continues to guarantee its popularity.
The rubbing surfaces of the clutch linings often have
tangentially disposed ventilating grooves moulded into
them, their purpose being to act as dust extractors.
13.4 MULTIPLATE CLUTCHES
The need for a multiplate clutch
The factor ...