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100
T R A N S M I S S I O N
Synchronizing
Yoke
Stop
Yoke
Adjusting
Quadrant
S e c o n d - S p e e d Synchronizing
Yoke
Synchronizing
Yoke
Stop
Yoke
Return
Spring
High-speed
Synchronizing
Yoke
Second
speed
Synchronizing
Drum
Coupling
High
speed
Synchronizing
Drum
Clutch
Connection
Fig. 2
Exploded
View
of Transmission
Synchronizing
Mechanism
Roller
Roller
Pit
^•Plunger
Yoke
Adjusting
k ^ y ^
Quadrant
Fig- I
Cross-sectional
view
of
transmission
showing
yoke
eccentrics
Low-Speed
Gear
Roller
Bearings
Second-speed
Gear
Pilot
Bearing
Oil
Supply
Hot
(fed
from
spla
Piston
is
moved
up
and
down
by
plunge
Splined
Sleeve
M
a
i
n
s
h
a
f
f
Fig- 3
The second-and
low-speed
gears
run on
tapered
Yoke
roller
bearings
Plunger
is
operated
by
cam machined
on
shifter
shaft.
Warm
oil is
forced
out
of d a s h p o t
through
hole
in valve.
Cold
oil is forced
out
of
dashpot
through
hole
in
valve
and
through
passage
between
valve
and
plunger
Plunger
held
against
cam
by pressure
of
spring.
—Clearance
between
WSt
plunger
and pin al-
^Iffll
t °
w s
e
° d
of
plunger
to
move a w a y
from
piston
seat
as
plung-
er rises
to give
rapid
refilling
of
dashpot.
Valve
Spring
Retainer
Fig.
4
Plunger
Unit
Dashpot
"Valve
Spring
•
Fig.
5
Dashpot
Plunger
in Normal
Position
P l a t e 52.
T r a n s m i s s i o n S y n c h r o n i z i n g M e c h a n i s m
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