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MTD 500 - Page 14

MTD 500
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It
is
recommended
that
the
blade
always
be
removed
from
the
adapter
for
the
best
test
of
balance.
C.
Reassembly
Before
reassembling
the
blade
and
the
Jiade
adapter
to
the
unit,
lubricate
the
spindle
and
the
inner
surface
of
the
blade
adapter
with
ligtit
oil.
Lubricating
the
bolt
holes,
bolts
and
inner
surface
of
the
nuts
with
light
oil
is
also
recommended.
A
4
oz.
plastic
bottle
of
light
oil
lubricant
is
aval
able.
Order
part
number
737-0170.
Engine
oil
may
also
be
used.
When
replacing
the
blade,
be
sure
to
insta
I
the
blade
with
the
side
of
the
blade
marked
“Bottom”
(or
with
part
number)
facing
the
ground
when
the
mower
is
in
the
operating
position.
Blade
Mounting
Torque
3/8"
Dia.
Bolt
375
in.
lb.
min.,
450
in.
lb.
ma>.
5/16"
Dia.
Bolt
150
in.
lb.
min.,
250
in.
lb.
mjx.
To
insure
safe
operation,
ALL
nuts
and
bolts
must
be
checked
periodi¬
cally
for
correct
tightness.
FIGURE
21.
CLEANING
ENGINE
AND
BLADE
HOUSING
Any
fuel
or
oil
spilled
on
the
machine
shou
d
be
wiped
off
promptly.
Grass,
leaves,
and
other
dirt
must
not
be
left
to
accumulate
around
the
cooling
fins
of
the
engine
or
on
any
part
of
the
macliine.
Clean
the
underside
of
the
blade
housing
after
each
mowing.
BELTS
Check
that
belts
are
free
of
oil
or
dirt.
Wip?
the
belts
periodically
with
a
clean
rag.
ENGINE
OIL
Check
oil
level
before
starting
engine
and
after
every
5
hours
of
operation
or
each
period
of
use.
Refer
to
separate
engine
manual.
Change
oil
after
first
5
hours
of
operation.
Thereafter
change
every
25
hours.
Change
oil
while
engine
is
warm.
AIR
CLEANER
Service
air
cleaner
every
25
hours
under
normal
conditions.
Clean
every
few
hours
under
extreme¬
ly
dusty
conditions.
Poor
engine
performance
and
flooding
usually
indicates
that
the
air
cleaner
should
be
serviced.
Refer
to
separate
engine
manual.
SPARK
PLUG
The
spark
plug
should
be
cleaned
and
the
gap
reset
once
a
season.
Spark
plug
replacement
is
recommended
at
the
start
of
each
mowing
season;
check
engine
manual
for
correct
plug
type
and
gap
specification.
INSTALLATION
OF
TIRE
TO
RIM
Ac
warnTng*)
The
following
procedure
must
be
followed
when
removing
or
Install¬
ing
a
tire
to
the
rim.
1.
Be
sure
rim
is
clean
and
rust
free.
2.
Lubricate
both
the
tire
and
rim
generously.
3.
Never
inflate
to
over
30
p.s.i.
to
seat
beads.
Excessive
inflation
pressure
when
seating
beads
may
cause
tire/rim
assembly
to
burst
with
force
sufficient
to
cause
serious
injury.
BELT
REMOVAL
AND
REPLACEMENT
It
is
recommended
that
the
entire
instructions
on
belt
removal
and
re¬
placement
be
read
before
changing
the
belts.
Deck
Belt
1.
To
prevent
gasoline
from
leaking
from
the
engine,
remove
the
fuel
tank
cap,
place
a
piece
of
thin
plastic
over
the
neck
of
the
fuel
tank
and
screw
on
the
cap.
2.
Disconnect
the
spark
plug
wire
and
ground
it
against
the
engine.
14

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