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52
3.
ENG
I
NE
l
Fig. 3. 109
8
Low
Fig. 3.109
(
2nd
Fig. 3. 109
D
3rd
'
'
I
----'---'-'
~------
-'--'-~_j
Fig
.
3.
109
E
4th
.
low gear
IM
1
l
is meshed
with
the free
rotating
counter
shaft
low
gear
(C
1
i,
free rotat ing main
shaft
top gear
IM
5) is meshed
w
ith
the sliding
counter shaft
top gear
IC
5), slid
ing main shaft
second-third
gears (M
2-
3
)
are meshed
with
the
free rotating
counter
shaft second-third
gears IC
2
-
31
and the free
ro tating
main shaft
fourth
gear
IM
4)
is
meshed w
ith the
splined
co
unter
shaft fo urth
gear
IC 4
l.
LOW
GEAR:
(Fig.
3.
109 B)
The
power
from the
main
shaft
low gear IM
l I
is transmitted to the free
rotating
countersha
ft
low
gear
(C
l·J, however,
the
splined countershoft fourth
gear
IC
4) is
engaged to
the countershaft
low
gear
through
o dog,
to
drive gear IC
41
is
engaged to
the
countershof
t
low gear through
o dog
,
to drive
the
countershof
t
which hos the drive
sprocket
mount-
ed
on the end of
the
shaf
t.
SECOND GEAR:
(Fig.
3
.
109
C)
The power
from the main
shaft
second
gear
(M 2) is
tronsmil
ted to the free rota ting
countershoft
second
gear
IC
2
1
,
however,
the dog
on
the
coun-
tershaft
top gear IC
5) is engaged with the
coun-
tershaft
second gear so that the
power
transmits
to
the
co
untershaft which dri ves
the
drive sprock-
et mounted on
the end
of
the shaft.
THIRD
GEAR:
(Fig.
3.
109 D)
Power from
the
main
shaft third
gear (M
31
is
transmitted
to
the
free rotat ing
countershaft
third
gea
r
IC
31.
The splined counter
shaft fourth
gear
IC 41 is
engaged
to the countershoft
third
gea
r
through a
dog
and drives
the
countershoft and the
dri
ve
sprocket on the
end.
FOURTH GEAR:
(Fig. 3. 109 E)
The free ro tating
main
shaft fourth
gear (M 4)
receives its driv
e
power
by
being
engaged to
the
M
2-
M
3 gears
by a
dog.
·
The
power
of
the
main
shaft is
thus
tra
nsmitted fro
m
(M 41
to
the coun-
tershaft fou rth gear IC 4)
to
drive the countershaft
and the
drive sprocket
on the end.
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