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Porsche 912E 76 Service Information page 36

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BRAKE SYSTEM TECHNICAL SPECIFICATIONS
Foot
brake
Tandem master cylinder
Bore
diameter
Stroke
·Ratio at
footbrake
peddal
Free travel
:
movement-rod/piston
Front wheel brakes
Brake disk O-dia.
Thickness new
Min
imum
thickness
after
Bra
ke cali
per piston
dia.
Pad
thickness
Wear limit
Clearance
Pad
surface
area
for each wheel
Rear wheel brakes
Brake disk O-dia.
Thickness
new
Minimum
thickness
after
Wear
limit
Clearance
Pad
su rface
area for each wheel
Hand brake
Hand brake
drum
dia.
Wear
limit
dia.
Brake shoe width
Effective brake area per wheel
Wear limit for brake lining
The brake disk must be
*)
machi
ni
ng
*)
machining
*)
symmet
rically machined, the same amount on both sides of the
Hydraulic,
dual
circuit disk brakes with brake
failure warn ing
light
19.05 mm/0.75
in.
18113 mm/0.7110.51 in
5.4
:
1
1 mm/0.39 in.
Solid disk - 282 mm111 .10 in.
12.7 mm/0.5 in
.
11 .5 mm/0.45 in.
48 mml1.89
in.
10 mm/0.39
in
.
2.0 mm/0.079 in.
0.2 mm/0.0079
in.
2
76 cm
111 .78 sq
.
in.
Solid disk
-
290 mml11.4 in
10.5 mm/0.41 in
.
9.5 mm/0.374 in.
9.0 mm/0.354
0.2 mm/0.0079 in.
2
52 .5 cm
/8 .1375
Mechan ical on both rear wheels
180
mml7 .086
in.
181
mml7 .126
in
.
25 mm/0.98 in.
2
85cm
113.175sq
.
in.
2.0 mm/0.079 in
.
34
.
.
disk.

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