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MASSEY FERGUSON MF 135 - Independent PTO; Transmission Speed PTO; Ground Speed Pto; Independent Power Take-Off

MASSEY FERGUSON MF 135
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Ground
Speed
PTO
When
operating
in
ground
speed
PTO,
the
PTO
shaft
operates
in
proportion
to
ground
spee
d.
This
produces
one
revolution
of
the
PTO
shaft
for
approximately
each
twenty
inches
of
forward
travel
of
the
Tractor,
re-
gard
less
of
engaged
transmission
gear
or
speed.
This
feature
is
very
desirable
when
operating
implements
which
require
operat-
ing
speeds
proportional
to
the
Tractor
for-
ward
speed
(i.e.
: PTO
driven
side
delivery
rake,
etc.)
IMPORTANT:
When
backing
the
Tractor,
the
PTO
shift
lever
must
be
shifted
from
' '
Gr
o u n d
Speed
PTO"
to
the
"Neutral"
position.
Failure
to
do
so
may
result
in
dam-
age
to
the
implement,
as
the
imple-
ment
drive
mechanism
will
be
re-
versed.
Fig.
38
-
11
lndependent
11
Power
Take-Off
Shift
Lever
"Independent"
Power
Take-Off
(See
Fig.
38}
On
Tractors
equipped
with"
Independent"
PTO,
operation
of
the
PTO
shaft
is
com
-
pletely
independent
of
the
transmission
drive
clutch.
Fully
depressing
the
clutch
pedal
does
not
stop
the
PTO
shaft,
only
the
ground
travel
of
the
Tractor.
"Independent"
PTO
clutch
control
is
en-
gaged
and
disengaged
by
a
hand
lever.
There
are
two
positions
provided
for
the
lever,
"ON"
and
"OFF".
A
PTO
brake
is
engaged
in
the
"OFF"
position
to
prevent
the
PTO
shaft
from
"creeping"
due
to
oil
drag
in
the
clutch.
The
PTO
clutch
may
be
feathered
by
slowly
moving
the
''Independent''
PTO
shaft
lever
to
the
full
"ON''
position.
The
gradual
build-up
of
oil
pressure
to
the
clutch
pack,
by
slow
movement
of
the
PTO
shift
lever,
provides
smoother
engagement.
When
the
engine
is
operated
at
1700
rpm,
the
PTO
shaft
operates
at
540
rpm.
This
conforms
to
the
ASAE
standard
PTO
speed
recom-
mendation.
IMPORTANT:
Operate
the
"Inde-
pendent''
PTO
with
the
shift
lever
in
fully"
ON"
detent
position.
To
en-
sure
positive
engagement
of
the
Power
Take-Off
Clutch,
the
engine
must
be
operated
at
speeds
above
7
50
rpm.
Do
not
modulate
or
at-
tempt
to
start
a
dead
load.
Transmission
Driven
Power
Take-Off
On
Tractors
equipped
with
Transmission
Driven
Power
Take-Off,
the
operator
may
se-
lect
only
proportional
engine
speed
PTO.
When
the
engine
is
operated
at
1500
rpm
the
PTO
shaft
operates
at
540
rpm.
The
Tractor
is
equipped
with
a
single
stage
clutch.
When
the
clutch
pedal
is
de-
pressed,
the
forward
motion
of
the
Tractor,
hydraulic
pump
and
rotation
of
the
PTO
shaft
is
stopped.
-
24
-
CAUTION:
NEVER
operate
PTO
driven
implements
without
proper
safety
shields
installed
on
Tractor
and
implement.
PRACTICE
SAFETY.
Never
Operate
PTO
without
Shields.

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