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BRAKES
GROUP
8
BRAKES
SECTIONS IN GROUP
a
SPECIFICATIONS
8-1
Section
Subject
Page
Section
Subject
Page
8-A
Brake Specifications, Description,
8-C
Brake Service and Adjustment Pro-
Operation, Service
Recommenda-
cedures
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8-11
tions
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.
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.
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.
.
.
.
.
.
. . . .
.
.
8-1
8-D
Brake Replacement
a
nd Repair
8-
B
Brake
Trouble
Diagnosis .
.
..
.
.
. .
8-8
Procedures
.
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. . 8-17
SECTION 8-A
BRAKE SPECIFICATIONS, DESCRIPTION, OPERATION,
SERVICE RECOMMENDATIONS
CONTENTS O
F
SECTION a-A
Paragraph
Subject
Page
8-1
Brake
S
pecifications.
.
. . .
.
.
. .
.
..
8-
1
8-2
Descri p t ion of
Brakes
.
. .
.
.
.
.
.
.
.
.
8-
2
Paragraph
Subject
Page
8-3
Opera t ion
of
Hydraulic
Service
Brakes
.
.
.
.
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. . .
.
.
.
.
. . . .
.
. . . . .
.
8-5
8-4
Service
Recommenda tions
. .
.
. . ..
8-6
Bulletin No.
Page No.
SERVICE BULLETIN REFERENCE
SUBJECT
8-1 BRAKE SPECIFICATIONS
a
.
Tightening Specifications
Use a reliable
torque wrench t
o
t
ight en the
parts listed, to insure proper tightness w
it ho ut
straining or di
stor t ing
parts.
These
sp
ecifica-
tions
are for
clean
and lig
h tly
lubrica
te d
threads only,.
dry
or dir ty
threads produce
in
-
creased friction whi ch
pr even t s accurat e meas-
urement
of t
ightness.
Part
Nut
Nut
Bolt
Nut
Bolt
Stud
Nut
N
ut
Nut
Bolt
Screw
Nut
Nut
Screw
Bolt
Na me
Backing
Plate to Steering
Knuckle
B
olt
.
Backing P
late
to Axle
Housing
Bolt
.
Whee l
Cylinder
to Backing Plate
.
Brake Anch or Pin
.
Brake
D
r u m
to Axle Shaft
.
Brake
Drum
to
Axl
e
Shaft
(P
ilot)
.
Master
Cylinder t
o F
rame Bolt
.
Master
Cylin de r
Filler
Cap
.
Master
Cylinder Push Rod Lock
.
Pedal Shaft Bracket to
F
r ame
.
P
edal
Shield to Frame Member
.
Brake
Pipe Distributor Fitting
.
Br a ke Hose
Bra ck et
to
Frame
.
. . . . . . .
.
.
Bra ke Pipe Tee F
it t ing to
Strut Rod
. . .
.
. . . . . . . . .
.
.
Brake
Lever t
o
D
ash Bra ce
.
. . . . . . . .
.
.
. .
.
.
Thread
Size
V.
6
-
20
%-20
U6-
18
%
-18
%
-18
U6-
18
%
-20
17.i'-18
%-24
%-16
5
,{6-
18
U6- 24
U6- 24
%-18
.
1 16- 18
Torque-Ft.
lbs.
45-50
35-
40
10- 15
65-
70
10-15
10-1 5
45-50
15-20
20-25
20-25
10-15
10-15
10-15
10-15
10-15
b.
General Specifications
Ite m s
Operating
Mechanism,
Service Brakes
.
Parking Brakes
.
Operation of Service Brakes Independent of Parking Brakes
.
Wheels Braked, Service
.
Parking
.
Ser
ies
40-50
Seri
es
10
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