5C-1
HEAVY
DUTY
POWER BRAKES
BENDiX
TANDEM
DIAPHRAGM
TYPE
CONTENTS
OF
THIS
SECTION
SUBJECT PAGE
Checks
and Adjustments on Car 5C-1
Minor
Repairs . . . . 5C-1
Bleeding Brakes 5C-1
Stop
Lamp
Switch 5C-1
Major
Repairs . 5C-1
Power Brake and Master Cylinder
Assembly—Remove. . 5C-1
Disassembly. 5C-1
Master Cylinder and External
Parts—Remove 5C-1
Valve
Rod and Related Parts 5C-2
Power Section 5C-3
Rear
Shell Vacuum Seal 5C-4
Diaphragms, Plates and Plunger. 5C-4
Check
Valve and Grommet 5C-5
Master Cylinder—Disassemble 5C-5
SUBJECT PAGE
Cleaning
5C-5
Inspection 5C-5
Assembly 5C-5
Master Cylinder , 5C-5
Vacuum
Seal 5C-6
Plates Plunger and Diaphragm 5C-6
Diaphragms and Plates in Shells
.......
5C-6
Vacuum
Check Valve
Reaction Disc and Push Rod 5C-7
Valve
Rod and Related Parts 5C-7
Dust
Guard
and Master Cylinder
......
5C-7
Push
Rod Adjustment
............
5C-7
Power Brake Assembly—Install 5C-8
Special
Tools 5C-8
Torque
Specifications 5C-8
CHECKS
AND
ADJUSTMENTS
ON CAR
1. Check for free operation of brake pedal. If
binding exists, check all pivot
points
for binding and
lubricate as required.
2. Check
stop
light switch for proper
setting
and
operation.
3. Check fluid level in hydraulic cylinder reser-
voir.
Fluid
level should be as shown in Section 5.
4. Check vacuum line and
connections
at carbu-
retor and vacuum check valve for
possible
vacuum
leaks.
5. Check
engine
for
good
stall-free idle and cor-
rect as required.
MINOR
REPAIRS
BLEEDING
BRAKES
Brakes
should be bled in the same manner as
standard brakes.
STOP LAMP SWITCH
See Section 5 for service.
MAJOR
REPAIRS
POWER BRAKE
AND
MASTER CYLINDER-REMOVE
1. Disconnect vacuum
hose
from vacuum cylinder
assembly. Cover
openings
to prevent entry of dust,
dirt,
etc.
2. Disconnect pipe from master cylinder hydraulic
port and cover
opening
in master cylinder and end of
pipe to prevent entry of dust, dirt, etc.
3. Remove clevis pin from brake pedal inside the
car.
4. Remove nuts and lock washers from power
cylinder
studs
and remove power cylinder.
5. Clean exterior of power brake assembly and
drain
reservoir of hydraulic fluid.
DISASSEMBLY
MASTER CYLINDER
AND
EXTERNAL PARTS-
REMOVE
Scribe
across master cylinder
flange
and front
shell of power section. Remove the two master
cylinder attaching nuts and lockwashers and lift off
master cylinder. Remove clevis from valve rod. Wet
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