Ford THUNDERBIRD 1960 - 10-3 Power Brake Units W;Air Cond

P E S
2 Power Brake Repair . . . 10.17
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Hfl02-A
FIG
l-Pawef Brake Syslena
On a
‘thunderbird equipped with
air
conditioning, the power uoii is
mounted nra the driver’s tide of the
dash panel Fig. I, A aacuum 55cr-
voir mounted on the beck Tide of the
left front lender splaah shield, gets its
vacuum from the engine intake metsi
fold A check valve. Lrp5
euurrm
in
the reservoir when the
c’,ir,e is
ttopped,a nd pres Co the
rcus at uta
tion of ra gasolinc in the
reserioir
and iathcr parts or the booster
unit.
‘All uther brake stem
conlpooeTlts,
from the master
eslirader i,T!’avard are
identical ‘0 the siaods d
h yct !‘2U tic
system described in Pra I.:’.: of this
group,
The
vacuum rmaen’oir maintains
cooogh
vacUuna I after the engine has
saupcJ in:
about
3
power-assisted
brake
applice Jon. Should the power
emt aid,
tac ca car Mill he braked.
aiiac’agh greater
r’d4
pressure h:.
the c:.:L, LU: 4i11 be oeec’- ry
foL a
civen appheialiUu.
MASTER cYLIMOEE
MAsrts cvuNoEt-’
PUSH too
Alt lEar
FILTER
OH PANtS
SEAL
DM11 PANEL
vacuaM
AtE VAtI
FIG. 2-Pedal Assist Power Btak,
When the pedal is in the released
posiaioo. he bellows chamber is epen
ao atmospheric preaaure, and Vacuum
prsalre is
cut
off by
the vacuum
yaks which is held closed by its spring
tn" ‘a
With
the coginc
riennirls
and
he
brake pedal depressed. the air
salve
closes and the vaccasim valve opens.
Thus, vacuum from the intake maoi
fold U r the
tecti
Lena
rs’scrvo in
re-
air from be belloa.w chanaber
‘-Alt
VALeS
El/ITOH
U
TROUBLE SHOOTING
PRWMINARY CHICKS
With the cosine stopped, and after
the brakes hare been apr-tied several
hmes ,o eliminate
vacuum
from
the
sStrIn, ptrliininary C ,:c can be
made, similar to then. fur coaven
tineal brakes, The brake bk.diog pro
cedere a the same aa for consnaLonal
bn,ka.
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staea P...
I Trouble Shooting 10-16
tRACE PCOAL
sUPPORt EFACK El
Powhs Lavat
P1501
steEp PPnAL
PIVOT
"PLISH
ROD
EC CEH
t
PLC
#010511110
551St
ADitLITINO
tRlGtR
EccrNatc
*RAtF
SFTSI
‘5055
PAD
H a 03 ‘4
vii eb en nErnels and exerts In ce on
ha
brake pedal throo&l the
brake
power
IL’ve
r. Ehe aIIIOLI ft of assi,
ssLp1a:
I
r U by the power unit is
‘Li
directly proporlianat
to the amouR!
of pressure be’ta .apptit’d to the pedal.
Cr.LILl..I .Lrpltcataco
of lb. brakes Is
thus po,,ible. Who he pedal Is re
the ri gge C ats ached to the
brake
petit
allows the vacuum valve
lo clan, said The air valve
to open.
eliminating the power
assist to he
power le er.