Friction Plate
Remark：
PCCU TSL brake pad has three different types: T, S and L. There are exclusive use for PCCU (Pneumatic Clutch Brake). It can collocate for clutches as TT, TS, SS and SL.
For instance:
TT: The side of clutch and brake pad are held by 12 screw bolts.
TS: The clutch side is held by 12 screw bolts, and the brake pad side is held by two short iron plates and
two pins.
SS: The side of clutch and brake pad are held by two short iron plates and two pins.
SL:The clutch side is held by two short iron plates and two pins, and the brake pad side is held by two long iron plates and two pins.