TRANSMISSION SYSTEM
[NOTE]
a) Complete transmission disassembly
is
occasioned by
two
cases: 1) when the
transmission case has suffered damage,
or
2) when PTO
shaft
has
to
be
replaced.
Partial disassembly will suf-
fice in
most
cases
when
a gear,
shaft
or
bearing has suffered damage in
the
transmission.
b)
To
disassemble
the
transmission par-
tially
or
completely,
it
must
be
taken
down
from the machine. A sufficient
working space
should
be secured in
advance, and all
the
necessary
hand
tools and materials
should
be prepared
for
ready use. Before
starting
to
dis-
assem ble, clean the case
thoroughly,
removing dirt, grime
and
greasy
matter.
The
external surfaces
of
the
case are usually greasy
and
slippery:
be sure
to
handle
it
carefully
upon
removing
the
transmission from the
machine.
Removing
the
transmission
It
is
not
necessary
to
remove
the
transmission
from
the
machine when
the
ring gear
or
select
shaft
has
to
be disassembled: this disassembly
can be carried
out
on
the
transmission in place.
To
take
down
the transmission, remove
the
bolts fastening
the
transmission case
to
the
clutch
housing:
it
is
not
necessary
to
take
down
the
engine.
If, for
one
reason
or
another,
the
engine has
to
be taken
down
from the machine, refer
to
the
removal procedure set
forth
for
the
clutch
housing.
(1) Remove drain plugs, right
and
left,
on
transmission case
at
its rear part.
Be
sure
to
drain
the
case completely.
5·6
Drain plug
(2) Remove bolts securing
the
covers,
front
and rear,
of
4-wheel drive universal
joints,
take
off
the
covers, pick
out
circlips and
pins, and remove
the
joint.
(3) Remove
tool
box
and seat together.
(
\
(10:
(II)
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