BRAKES	I> CHASSIS No. 219001
Data
Front	S56 P.S.V., S66
make 	Lockheed
type 	2 piston pin slider caliper
brake disc 	300mm dia. ventilated
pistons 	2 off x 50mm dia.
pad material 	Don 7250 or Ferodo 3422 (min. pad thickness 4mm)
REAR S46, S56 Haulage
make 	Girling
type 	duo-servo drum - auto. adjust
size 	308 x 102 (12.125" x 4")
wheel cylinder 	1 x 20,64 (t3/16") dia.
lining material 	Ferodo primary - 2601 F (thin) secondary - 2636F (thick)
lining length 	primary 296mm secondary 338mm
REAR	S56 P.S.V.
make 	Lockheed
type 	duo-servo drum - auto. adjust
size 	330 x 140 (13" x 5.5")
wheel cylinder 	20,6 (0.81 ") dia
lining material 	Ferodo primary- (thin) AM 1 secondary - (thick) AM 14
lining length 	primary 316 secondary 360
REAR S66
make 	Girling
type 	duo-servo drum - auto. adjust
size 	308 x 102 (12.125" x 4")
sheel cylinder 	1 x 22,22 (%") dia.
lining material 	Ferodo primary - 2601 F (thin) secondary - 2636F (thick)
lining length 	primary 296mm secondary 338mm PARKING BRAKE
type 	handlever and cable
overall ratio 	19.44:1