Installation Of Power Cylinder Assembly; Tightening Brake Fittings; Replacement Of Stoplight Switch - Cadillac 54-6219 1954 Shop Manual

cylinder ogether
BRAKES
7. install ball, spring, retather and snap ring in
8. Dip hydraulic piston cup in Delco No.11 brake
fluid and install in groove with lip of cup toward
check valve end of piston.
9. Dip hydraulic piston in
fluid and assemble piston on
taming pin in bole in piston
in
position, retaining spring
Delco
No.
ii brake
push rod. Install
ye-
and rod. When pin is
will hold it in place.
10. Place end cap in
a vise
and install bleeder
screw, end cap gasket, hydraulic line connector with
copper gaskets and retaining bit.
LI, Thread hydrat'.lie cylinder tube into end cap
with milled fiats next to end cap, and securely
tighten cylinder.
12. Thread check nut on cylinder to limit of
threads.
Ii. install hydraulic cylinder end seal against
shoulder
in
end plate.
14. Gamide the lip of the piston cup into the cylin
der carefully and threaded cylinder into end plate
until cylinder bottoms firmly against tile end
seal.
Tighten cylinder until bleed screw on
end cap is
aligned with bleed
screw
in end plate and tighten
check nut
securely.
l. Remove Piston Retaining Strap,
16. Place rubber ring gasket in groove
on
end
17.
Saojrate
he
cotton
wic}cing by dipping
vacuum
piston
in Delco
Shock Absorber Fluid, and allow
excess
oil
to drain off
in addition,
coat inside or
cylinder shell lightly with Delco Shock Ahsorher
Fluid.
is. Insert piston
into
shell by tipping piston
as
shosq, in Pig. 9-12.
19. Align
scribe marks on
shell and end plate,
attach hook bits end tightct' each bolt evenly until
all jolts are uniformly tight.
d. A..mbly of Check
Vdve
1. macU end or spring over check bali.
2. Install spring retainer plate with dcpreasiuo
in plate
in end
of spring and install snap ring.
4.
Install fitting in hushing,
5. install valve assetrthiy in elbow
on
end plate.
18 Installation
of
Power Cylinder Assembly
E?osition Power Brake assembly
On mounting
bracket and instali iockwashcrs and
nuts.
2. Connect vacuum hose to check valve on Power
Brake and tighten hose
clal1p.
3.
Connect brake line fittings to end plate.
4.
Bleed system as utltlined in Note 9.
19
Tightening Brake Fittings
Whenever brake tines are disassemhted
for
any
reason they should he reassembled with particular
care, first, to avoid any foreign matter getting into
the system and, second,
to
assure leakprouf con-
neetioLls.
All
of
ca refi,
ily
tigljtoticd
the fittings and cunnectinas .huid be
wiped clean before assembly and then
thoroughly,
to prevent
any leakage.
20
Replacement of Stoplight Switch
a. kemovol
Fold
front carpet back from brake
pedal
area, to expose stoplight switch
mounting screws.
piston
Fig. 9-12 kitolli"g
Preen i., Cylinder Shell
3.
install plug in
check valve lx'dy
2. Remove mounting screws.