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  9. Kubota K-348-7 User manual

Kubota K-348-7 User manual

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•
• I
TA
48
"
Rotary
Mo
wer
K-348-6 (For B-6
000
Series only)
and K-348-7
·
48"
Rotary Mower
No.
10117--2!!-ll-li
-C
"!".
Printed
In
U.
S.
A.
K-348-6
and
K-348-7
TABLE
OF
CONTENTS
(Reference
Pictures
on
outside
rear
cover)
Page l
Safety
Precautions
Page 3
Assembly
Inst
ructi
ons
Page 5
Attaching
Mower
to
Tractor
Page 6
Operating
Instructions
Page 8
Servicing
Instructions
Pa
ge
l l Engineeri
ng
Draw
i
ng
of
K-348
-6
and
K
-348
-7
Page 12 Parts Li
st
(main
bo
dy
and
component
s)
Page 15
Engineering
Drawing
and
Parts
List
(
Gear
Box)
Page
16
Engineering
Drawing
and
Part
s
List
(Drivel
ine
)
*
Packing
List
and
Hardware
Bag
Lists
on
inside
rear
cover
Please Record
the
Fol
lowing
:
Mode
I
No.
................................
SeriaI
No
..................................
Date
Pu
re
ha
sed ...............
__
.
__
___
..
__
.
___
--
----
-__.
___
-----·----·-
_.
__
..
__
..
____________
_
Dea
I
er'
s
Na
me
_._....._........._..
__
.
___
..
_.
____
__
_
__
___
_
_________
_
__
.......................
..
DeaI
er'
s
Address
.....................
__
.__._..__
_______
....
___
.
___
----
···
--
-----·
__
.
__
.
_____
...
K-348
- 6 -
K348-7
Safety
Precautions
The
following
precautions
are
suqqested
to
he:p
prevent
accidents.
Read
this
manua:
carefully
to
acquaint
ourself
with
the
rotary
mower.
Working
with
unfamiliar
e
ui
ment
or
unfamiliar
mowing
conditions
can
lead
to
accidents.
TRACTOR
RELATED
SAFETY
1.
Familiarize
yourself
with
a~l
controls
before
atternptinq
to
operate
the
tractor.
2.
Never
start
the
engine
while
standing
beside
the
tractor.
Always
sit
in
the
tractor
seat
while
starting
the
engine.
3.
Use
care
when
operating
on
steep
grades
to
maintain
proper
stability
.
4.
Keep
the
tractor
in
gear
when
oinq
downhill.
5.
Always
keep
the
tractor
brakes
in
good
operating
condition
.
6.
Always
drive
the
tractor
at
speeds
compatable
with
safety,
especially
when
operating
over
rough
ground,
crossing
ditches,
slopes,
or
when
turning
.
7 .
If
the
front
end
tends
t~
rise,
install
~ront
end
or
front
wheel
weights.
Do
not
continue
to
operate
with
a
"light"
front
end.
8.
Always
bring
the
tractor
to
a
complete
stop
and
shut
off
the
engine
before
getting
of~
the
tractor.
9.
The
operator
should
never
qet
of
while
the
tractor
or
machine
are
in
motion.
Pa
e 1
EQUIPMENT RELATED SAFETY
1.
Never
allow
passengers
to
ride
on
the
mower
or
tractor.
2.
Never
leave
the
equipment
in
a
raised
position.
3.
When
operating
P.T.O.
-
driven
equipment,
always
shut
off
the
engine
and
wait
for
the
P.T.O
.
to
stop
turning
before
getting
off
the
tractor
and
before
disconnecting
the
equipment.
4.
Never
wear
loose
clothing
when
operating
the
power
take-off,
or
around
equipment
that
is
rotating.
5.
Never
clean,
adjust,
lubricate,
or
unclog
P.T.O.
driven
equipment
with
the
tractor
engine
running.
6.
Make
sure
the
P.T.O.
shield
is
installed
when
using
P.T.0.-
driven
equipment,
and
always
replace
the
P.T.O.
shield
if
damaged.
7.
Give
complete
and
undivided
attention
to
the
job
at
hand
.
8.
Do
not
operate
mower
in
vacinity
of
other
persons
.
9.
Clear
the
work
area
of
objects
which
might
be
picked
up
and
thrown.
10.
Disengage
P.T.O
.
and
shift
into
neutral
before
attempting
to
start
tractor
engine.
11.
Disengage
power
to
mower
when
transporting
or
when
not
in
use.
12.
Keep
the
tractor
and
mower
in
good
operating
condition
and
keep
all
shields
in
place.
13.
The
tractor
and
mower
should
be
stopped
and
inspected
for
damage
after
striking
a
foreign
object,
and
any
damage
be
repaired
before
restarting
and
operating
the
mower.
14 .
Check
the
blade
mountinq
bolts
for
proper
tightness
at
frequent
intervals.
Page
2
K-348
- 6
and
K-348-7
Assembly
Instructions
1.
Remove
all
parts
fro~
the
shipping
carton
and
lay
them
out
in
an
orderly
fashion.
(The
mower
mainshield
and
drive
components
have
been
assembled
at
the
factory
for
customer
convenience
and
ease
of
final
assembly.)
Elevate
mainshield
assembly
by
placing
6"
- 8
11
blocks
under
runners.
This
will
make
wheel
installation
eas~er,
later
in
the
procedure.
2.
Front
Hitch
:
Attach
front
strut
(5
&
6)
on
inside
of
hitch
brackets
with
hitch
pins
(52)
pointed
to
the
center
of
the
mower.
Do
not
tighten
hitch
pins
until
rear
brace
has
been
assembled.
Install
rear
brace
(7)
by
attaching
to
mainshield
with
(10)
7/16
x 1
1/4
bolt,
nut,
and
lockwasher
and
attaching
to
front
strut
with
(53)
5/8
x 3
1/2
bolt,
nut,
and
lockwasher.
Securely
tighten
the
bolts
and
hitch
pins
on
the
front
hitch
and
rear
brace
assembly.
(Figure
1)
3.
Front
Roller
Wheel
Assembly:
Assemble
front
ro
ller
wh
eel
brackets
(20)
and
wheels
(2
1)
with
g
rease
bolt
(46),
flat
washers
(47)
(washers
go
be
tween
bracket
and
wheel)
,
and
lock
nut.
Note
:
Grease
bolts
should
be
installed
so
that
the
grease
zirks
point
toward
the
outside
of
the
mower
when
assembly
is
mounted
in
position
(this
facilitates
easier
lubrication
of
wheels)
.
Tighten
grease
bolt
securely
,
but
not
so
tight
as
to
prevent
the
wheel
from
turning
freely
.
Mount
the
roller
wheel
assembly
to
the
front
of
the
mower
with
(55)
7/16
x 1
1/4
bolt,
nut
,
and
lockwasher
and
flat
washers
Page
3
4.
(one
on
front
side
and
one
on
backside
of
mower
housing)
.
Note:
Front
roller
wheel
brackets
are
slotted
for
adjustment
for
desired
mowing
height.
(Fi
ure
1)
Gauge
Wheel
Assembly:
(Caster
Wheels)
Assemble
tire
and
wheel
(
19)
and
gauge
wheel
fork
(
18)
with
(2
8)
3/4
x 5
bolt,
(29)
3/4"
flat
washer
and
(30)
3/4
II
lock
nut.
(Flat
washers
go
between
wheel
and
fork)
.
Securely
tighten
bolt,
bu.._
not
so
tight
as
to
prevent
the
wheel
from
turning.
Insert
gauge
wheel
fork
assembly
into
gauge
wheel
main
frame
(16)
securing
assembly
with
set
collars
(17).
Mount
gauge
wheel
main
frame
assembly
on
the
outside
edge
of
mainshield
rib
with
(37)
7/16
x 1
1/2
bolt,
nut,
and
lock
washer
.
Adjust
gauge
wheels
to
desired
cutting
height.
Be
sure
when
adjusting
gauge
wheels
that
the
mower
is
level
from
left
to
right
to
attain
a
level
cut.
(Figure
2)
Driveline:
Attach
driveline
(56)
to
gear
bo
x
input
shaft
with
1/4"
square
key
1
1/2"
lg.
(60).
Tighten
allen
head
set
screw
to
secure
drive
line.
Note:
Recheck
all
bolts
and
fastners
for
tightness
and
check
grease
in
gear
box
before
final
assembly
can
be
complete
.
Page
4
K-348-6
and
K-348-7
Attaching
Mower To
Tractor
Attach
tractor
lift
arms
to
mower
hitch
pins.
Secure
driveline
to
the
tractor
P.T.O.
shaft.
The
K-348-6
mower
driveline
(25mm-
10
spline
yoke)
utilizes
a
3/16
x 3
1/2
cotter
pin
(58).
The
K-348-7
mower
driveline
( 1
3/8
- 6
spline
yoke)
utilizes
a
quick
attach
pin
to
secure
the
driveline.
Be
sure
the
quick
attach
pin
seats
into
the
pin
groove
on
the
tractor
P.T.O.
shaft
.
Attach
adjustable
3rd
link
arm
to
the
slotted
mast
of
the
mower.
attach
the
anchor
end
of
3rd
link
to
the
tractor
in
the
top
hole
of
the
bra
cket.
(Figure
3)
The
mower
is
now
attached
to
the
tractor
.
Now
raise
the
mower
~ith
the
tractor
lift
so
that
the
tractor
is
carrying
the
mower
weight
.
Adjust
the
anti-sway
chains
on
the
tractor
lift
arms
,
so
the
mower
is
centered
behind
the
tractor.
Snug
the
chains
to
eleminate
any
side
sway
of
the
mower.
Page
5
•
Trac
tor
Ope
ration
K
-348
- 6
and
K
-348-7
Operating
Instructions
This
mower
is
intended
for
law~
mowing
.
Although
it
is
more
than
ad
equate
for
this
type
of
mowing
it
is
no~
intended
for
heavy
weed
or
br
ush
mowing
or
rough
conditions
.
Always
operate
PTO
in
second
gear,
820
-
840
RPM
.
Recommended
ground
speed
1.5
to
4
MPH
for
most
mowing
condi
tions.
If
ground
speed
is
too
fast,
a
lower
gear
should
be
used
to
maintain
the
PTO
RPM
.
Belt
AdJus
tment
The
b
elt
tension
c
an
be
checked
between
the
left
rotor
and
cente
r
rotor
(standing
at
rear
of
mower} .
This
tension
should
be
4
to
6
pounds
of
force
to
deflect
the
belt
1/4".
(rigure
4}
To
adjust
the
belt,
loosen
the
back
nut
on
the
I -
bolt
(51}
and
adjust
I -
bolt
to
a
ttain
th
e
correct
belt
tension
. A
fter
the
belt
tension
has
been
set
there
is
usually
no
need
for
t.
urtb~r
tQnfti9ning,
due
to
the
spring
loaded
arm.
If
belt
slippage
occurs
usually
two
full
turns
of
the
nut
on
the
I -
bo
lt
wil
l
be
adequate
to
eliminate
slippage
.
Always
check
belt
tension
after
adjusting.
Belt
slippage
usually
occurs
when
an
obstruction
is
encounte
red,
or
mowing
heavy
ma
terial
at
too
high
of
ground
speed
or
a
loose
belt.
Note:
uo
not
over
tension
the
belt
because
it
may
result
in
a
shorter
belt
li=e
and
bearing
life.
Mowing
Grass
The
mower
should
be
run
level
and
the
uncut
area
kept
to
the
left
of
mower
traveling
in
a
counter
clock
wise
direction.
The
front
roller
wheels
should
be
adJusted
so
that
they
clear
the
ground
on
the
level.
They
will
then
contact
the
ground
on
uneven
terrain
and
help
to
prevent
scalpinq.
On
certain
grasses
or
seasonal
conditions
it
may
appear
that
the
mower
is
leaving
a
strip
or
wheel
track.
If
this
occurs
reduce
the
ground
speed
by
down
shifting,
and
keeping
the
PTO
speed
at
full
or
near
full
RPM
.
In
tall
or
heavy
grass
it
may
be
necessary
to
raise
the
mower
to
a
higher
cutting
heiqht
and
mow
the
grass
once
and
then
set
the
mower
at
the
desired
mowing
height
and
remow,
t
he
area
.
Page
7
K-348
- 6
and
K-348-7
Servicing
Instructions
Lubrication
*
Use
a
high
quality
m~lti
-
p~rpose
lithium
base
grease
for
all
lubrication
points
.
*
*
*
*
Grease
blade
rotor
bearings
(six)
every
8
hours
of
operation.
(One
or
two
shots
of
grease
will
be
adequate
. )
Grease
rear
caster
wheels
and
pivot
bearings
every
8
hours
of
operation
.
Grease
front
roller
wheels
every
8
hours
of
operation.
Grease
driveline
shafts
every
8
hours.
In
some
cases
grease
zirks
have
not
teen
provided
because
they
do
not
always
adequately
lube
all
four
sides
of
the
shaft.
If
this
is
the
case
a
smear
of
grease
on
each
of
the
four
sides
of
the
shaft
is
adequate
.
Failure
to
keep
driveline
shafts
greased
and
telescoping
freely
may
result
in
damage
to
other
driveline
parts
.
*
Grease
the
driveline
universal
joints
every
24
hours
(One
or
two
shots
of
grease
will
be
adequate)
.
Note
:
Do
not
over
grease
any
lubrication
point.
Wip
e
excess
grease
from
the
parts
as
it
will
collect
dirt
and
may
cause
premature
failure.
Lubrication
-
Gear
Box
The
gear
box
lubricant
is
a
high
grade
industrial
type
grease
that
is
normally
good
for
the
lifetime
of
the
gear
box.
Generally
it
is
not
necessary
to
add
grease
to
the
gear
box,
however
due
Page
8