Alfa Romeo 33 Workshop Manual page 172

Drum nominal diameter :
Part N .
O
B E N D I T A L I A
Diameter
Strbka
Dimensions for'braka disc grinding (singla or vantilatad)
vantilated
( 1 ) Clrcumferential
(2) ~ Radial
Braka disc thicknass
Braka disc
FRONT AND REAR BRAKES ~
Unit: mm (in)
9 " 8 "
1 3 0 . 6 9 5
131245
203.2 +o,2
5
5
Part N-o. 546.657
32 mm (16 +16)
1.26 in (0.63 + 0.63j
Part No. 548.682
20.64 mm (0.812 in)
32 mm (17 +15)
1.26 in (0.67 +0.59)
Unit: mm (in)
Single Ventilated
10 (0.394) 21 '(0.827)
9 (0.354) 20.2 (0.795)
0.03.(0.00118)
SERVOBRAKE
Type: BENDITALIA or ATE
BRAKE PRESSU#RE PROPORTIONING
VALVE,
Part
Braka pad thickness
Brake pat
Thickness:'
Serviceability limit is determined, anyway, by the
lighting up of brake pad waar warning lamp
7 in
Unit: mm (in)
Vantilatad