BENDIX
POWER BRAKE
5B-3
1.
Clevis
2. Dust Guard (Boot)
3.
Air
Silencers
and
Filter
4.
Rear Housing
5. Rear Vacuum Seal
6. Diaphragm
7. Control Valve
(Valve
Rod and
Plunger)
8. Valve Plunger Stop
Key
9. Diaphragm Plate
(Power Piston)
10. Reaction
Disc
11. Hydraulic Push
Rod
12. Diaphragm Return Spring
13. Front Housing
14. Grommet
15. Vacuum Check Valve
16. Front Vacuum Seal
Fig.
5B-2
Power Brake—Exploded View
rear
piston and use
Tru-Arc
pliers to remove snap
ring
from groove in master cylinder bore.
3.
Remove
rear
piston and spring assembly and
discard.
Do not attempt to disassemble it since
complete new assembly is provided in repair kit.
4.
Remove front piston assembly, front return
spring
and retainer. Slide
primary
cup and protector
off
nose
of front piston. Use
dull
scribe to lift both
secondary seals from the grooves at
rear
end of
front piston.
Discard
all old rubber parts.
NOTE:
Check
valves
should not be replaced un-
less one or more of conditions
exist
as outlined in
Section 5 under Master Cylinder Disassemble.
5.
Install
spare tube nut in outlet ports. Place
thin
washer on self-tapping screw and install screw
in
tube seat with washer bottomed against tube nut.
(Fig.
5B-5) Hold screw with screwdriver and use
wrench
to remove tube nut, screw, washer and tube
seat. Remove rubber check valve and spring from
both output ports and discard.
INSPECTION—CLEANING
Thoroughly
wash all parts in alcohol and air dry.
Blow
dust and cleaning fluid out of all internal pas-
sages. If inside of front housing is slightly scored
or
scratched, clean with crocus cloth or fine emery
cloth.
If scratches cannot be removed, replace
housing.
All
rubber parts should be replaced, regardless
of condition, and
those
parts which come in contact
with
brake fluid should be rewashed in clean alcohol
before reassembly.
CAUTION:
It is
important
that
all
parts
be placed
on a clean
paper
or cloth
after
being cleaned to
prevent
the
possibility
of
dirt
being
assembled
into
unit or grease contacting any rubber
parts.
INSPECT
POWER
BRAKE
ASSEMBLY
Inspect
all parts for scoring, pitting, dents or
nicks.
Small
imperfections can be smoothed out
with
fine emery cloth or parts replaced if badly
nicked,
scored, or otherwise damaged.
INSPECT
HYDRAULIC
MASTER
CYLINDER
ASSEMBLY
Inspect
bore from the open end. The bore should
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