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blade replacement
FIG.
23
It is
not
necessary to remove
tractor
mower
for
blade
replacement
.
Raising mower lift
lever
to
highest
position will
permi
t
access to blades
. Raising
front
of
tractor
upon blocks or substantial
support wi II
also aid
in replacement.
1.
Remove
the
two
hex head
Heat
Treated
bolts
(A), to
detach
old
blade
(B).
ALWAYS USE HEAT
TREATED
BOLTS
TO
ATTACH
BLADES.
2.
Install new
blade
with SHARP
EDGE DOWN
and secure
with two
Heat Treated
hex
bolts and
lockwashers
.
T
IGHT
EN
SECURELY.
3
.
Check
blades
occasionally
to
make sure bolts
in
blades are
tight.
cteaning mower
Raise front
end of tractor using
Sears
riding
tractor
jack,
or
block up
each
front
whee
I
.
Be sure there
is
no
way tractor
can
fa II
off
blocks or
jack. Place
tractor
in
gear,
and set
parking brake. Clean
un-
derside
of mower
with
a
putty knife or sim
ilar
tool.
Mower
may be removed
from tractor
for cleaning.
W
ater
pressure from
a garden hose
wi II
remove
fresh
clippings from
underside
of mower
.
C lean
mower after each mowing
.
daily
maintena
nce
Make sure
all
nuts
on
bolts
ore
tight
and
cotters
spread. Keep blades
sharp
.
Observe a II
safety
precautions. Keep mower well
lubricated
.
YOUR TRACTOR
MOWER
IS
A
PRECISION
PIECE OF
POWER
EQUIPMENT, NOT
A
PLAYTHING.
THEREFORE,
EXERCISE EX-
TREME CAUTION AT
ALL
TIMES.
Do
not
operate the
tractor
in
high gear
going
down
hill,
and
do
not
turn
sharp
corners
while
going down hill. If it is
necessary to
stop
tractor
while going
down hill,
do so quickly to
prevent
tractor from pick
ing
up
speed
during the de-
clutching
to
braking
operation
.
NOTE:
The
engine
produces considerable
braking
acti
on
when throttled
bac
k
to idling
speed
with
out
de-
cl utch
ing, and
th
is
procedure
is recommended
before
applying brake.
3722R-7 .2 .73
-
11
-
to remove mower
from
tractor
1.
Remove
engine bel
t guard (M) F
ig.
13
.
2. Remove
belt
from
eng
ine
pul ley
(0, F ig.
13).
3. Refer to Fig
.
15.
Remove
sprin
g reta
iner
(Y)
holding ad
justing
pin
(X) to
idler shaft
assembly
(F)
.
Remove
adjusting
pin (X) from
idler shaft
assemb ly (F)
.
4.
Refer
to
Fig.
14
.
Remove spring
retainer
(V)
holding
snubber pull
rod (T)
to
snubber weldment
(U),
and remove
snubber pu
II
rod.
5
.
Refer to
F
ig.
12. Remove spring
reta iner
from
ad
justin9 pin
(N).
Unhook spring (H), from
id
ler
fram
e
{R), and front
axle
bracket
(J),
and
remove
idler
shaft
assem
b
ly
(F), from front
of tractor
and
place on
ground
between
front
wheels.
6. Lower
mower
by means of the
lift
lever
(B),
Fig. 9,
to its extreme low position
.
7.
Pull
four
suspension
arm p lungers
(A,
Fig. 9),
outward to detach mower
from
tractor
.
8
.
Turn
front
wheels
to left
and
,
s
I
ide
mower out
from under R.H.
side
of
tractor.
9.
Belt
tightener
lever and hanger weldment (M,
Fig.
7),
must
be
removed
from
tractor
when
at-
taching
a bul ldozer.
If
tractor
has a
safety
switch on belt tightener
lever, just
the lever may
be removed.
See tractor book for more deta
i Is.
L.H.
front hanger (L,
Fig
.
6L
and
rear
hanger
weldment
(N,
Fig.
7L
can
be left on the
tractor.
m
ower
main drive
belt
1
.
See
F
ig. 24.
Remove belt
gu ide
(A),
a
t
center
mandre
l
by
removing
3 nuts (B).
2.
Refer
to F ig. 11.
Remove
nut and lockwasher
fro
m
idler
shaft
assembly (F),
and remove
be lt
guide
(K),
and
belt.
3. Insta
ll
new
be
lt
a
nd
replace
belt
guides. Adjust
gu
ides for
1/
16 to 1/8 inch
clearance
of
belt
whe
n
be
lt is
t ight
and mower is in
lowest
cutting
pos
it ion.
The
n
raise mower
to highest
cutting
pos
it ion
and check belt guard
to
make certain
it
c lears at top
guide
by
1/16
to
1/
8 inch.
belt replacement
OUTER BLAD
ES
DRIV
E
BELT
(CE NTER
TO
OUTER MANDRELS)
~
Re move mower
from
tractor.
Unhook
spring (L) from
rear
of be
It
guide (A)
.
Remove be
lt
guide
(A),
at
center
mandrel
by
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