Ford THUNDERBIRD 1960 - Page 146

PART 5-3 - OVERDRIVE
TWISMISSION
5-5
Wb5O Alt !! LOW AO *EVflI
OE l
dfl’. m.jn absft. lb.
avcnonns
ft the Inn missioo o U pm a halt to
drkve the clutch older ta. wh is
m the overdrite omput shaft.
The ovammning anino of -
cimeb toilets when - ovenirive
maIn shaft thea to dilve - mni.
sian ouiptii shaft a thon in Fig.
4.
The outcr netturns fastcr than the
cutch can This moles the rouers
{o7tr on the cnm surfa and away
from - otita r2e. uuwedging th
roller and permhtimg the olner raee
to aavcnun - dutch in.
In a free-wheeling dilve, the m
ne can
drire
The rear wheels, hot
the rear wheels cannot drist the
en
In direct, fete-wheehag drive, the
aIanecaiy gearing is in aevtial, be
caine the son gearean pin fret. It nfl
rotare
clockwise from the
root.
taonic,tleck.iat,
or atai soil. de
peiding on the zelathe speeds of hr
planeL canier tammissioa Output
than,, and the internal ‘ing gear
overdrive main shaft. At a
U7O;l
nib, the sun gear will stand stilL Al
a higher raflo, the em gear asill turn
clockaise
from the iron’. At
a
lower
‘ado than 070:1, it
will
torn
coUntc,vlocktris
OVEROSlYt
To thift the
overdrive
unit
from
ditect 1.0:1 to ovcrdsisc 0.70:11
the iw, gear is hed against rotaon
Hg-
Thiisacmplishedb
en
gaging pawi
in the
balk ring gear
which
spljned 0 the
attn gear.
In o’crdrie
!Fir.
tiDe
powel
‘low
from the nmmisaion
nijiput
10 - pLanet canicr spUneJ to
t. through
the
planet gean and then
to the attn gear. ih the gear
held ainat miafion, - planer sean
alt forced to walk around" the sun
gear and
drive
- internal ring geal.
The
tramsio,
output
thatr
will
then drive the
ovenirive main shaft
a! e
ntio of Oflø;l.
In
ovesinve,
the ovcaninning
clutch is uncaupleil because the Outcr
race overdtive main shaft is tm,s
ing faster than the dutch cam Vans
muss,on otstpiu thatt. Overdrive is:
two-av dui’-e
the engine can drive
- Tear wheels and the rear wheek
can drive
the engine.
To thur from overdrive hack to
direct,
the
paw]
is distngaed
from
the balk ring gcai. penniiting the aim
gear to pm iree The overdrive gear’
ins
is now
it
neutraL
As soon ea the
speed of
the ttazoniis, ion rtp ut sEal
co up to the speed of - ova.
* to
J -i .0 CE%?
-
=
-
cuas
FIG. 2-Tronsmiissim, mid
Overtfrtve hail
G.aio
clineb asjinmaiicallv locks up and
drccr dr;e
is
retro ed.
tO-OUT DflVE
When - connol handle is polled
out. the antonlr :0
two-weed
over
drive Isnt
naot
[unction a! any car
speed.
This nckouc is accomplished
nude the
overdrive
unit
r
the shift
nil mosing - sun gear ‘Jnto
enrage
nent
with
the
lock-op teeth on -
planet canier F,.
cItt-A
Wnen
the sun ter is locked to the
plant! ;arrir, the planctaxy gnng
is locked with one mechanical
uniz
the nammiasion onqairahaft
is
locked
to the eenirl’-e main hai, TMs
lock-up
is
oc:es,arv
in
itsenc.
be
cause the uansmison mutrtn shaft
tntttca ha rotaik,n and therefore
/
. -rC-
:rEl
CI
DRIVtNO OVIUflING
Ci iO5.A
FIG. 4-o..r’Rumdn9 Chad.
Ern-Wheil Ilnil Operollea
comb: drive
the oveitive
rotin
shalt th tO
eb the
ovcnutnuint
one.
way
cltifth, The lock-up in revena
is accomplished
by the low and
at
‘tnepasiiion This locked-op
driyei,
necesa,c when
bc car ii pushed
0 abets
- a.zina,
since - over
nnning citneb will
not tnnsrnit
power front the overdibve
main shaft
a tie nansinission
out*jt
shaft
ELECTRICAL 515T1A4
The oece4rivc elcenical s-stem.
whjcl. C nica and disengages the
pawl, cnnsists!
S ttifl, a manual
FIG. 3-Over&ive Power Flow Operelien