MTD 246-675-000 User manual
1.00
OWNER’S
GUIDE
Important:
Read
Safety
Rules
and
Instructions
Carefully
POWER
VACUUMS
Model
Numbers
246-675-000
246-685-000
245-689-000
24677C
24687C
Thank
you
for
purchasing
an
American-built
product.
PRINTED
IN
U.S.A.
FORM
NO.
770-5208A
Safe
Operation
Practices
Assembly
Instructions
Operation
..
Adjustments
.
Lubrication
.
INDEX
3
Maintenance
.
i
r
4
Off-Season
Storage
.
\
9
Illustrated
Parts
.12,
14
9
Replacement
Parts
List
.13,
15
10
A
Instructions
given
with
this
symbol
are
for
pjrsonal
safety.
Be
sure
to
follow
them
This
unit
is
equipped
with
an
internal
combustion
engine
and
should
not
be
used
on
or
near
any
unimproved
forest-covered,
bursh-covered
or
grass-covered
lard
unless
the
engine's
exhaust
system
is
equipped
with
a
spar!—
..
arrester
meeting
applicable
local
or
state
laws
(if
any).
If
a
spark
arrester
is
used,
it
should
be
maintained
in
effect!
working
order
by
the
operator.
In
the
State
of
California
the
above
is
required
)y
law
(Section
4442
of
the
California
Public
Resources
Code).
Other
states
may
have
similar
laws.
Federal
laws
af
ply
on
federal
lands.
A
spark
arrester
muffler
is
available
at
your
nearest
engine
authorized
service
center.
2
A
IMPORTANT
It
IS
suggested
that
this
manual
be
read
in
its
entirety
before
attempting
to
assemble
or
operate.
Keep
this
manual
in
a
safe
place
for
future
reference
and
for
ordering
replacement
parts.
This
unit
is
shipped
WITHOUT
GASOLINE
or
OIL.
After
assembly,
see
separate
engine
manual
for
proper
fuel
and
engine
oil
recommendations.
^
SAFE
OPERATION
PRACTICES
FOR
POWER
VACUUMS
1.
Read
this
operating
and
service
instructing
manual
carefully.
Be
thoroughly
familiar
with
the
controls
and
proper
use
of
the
power
vacuum.
2.
Never
allow
children
to
operate
this
power
vaccum.
3.
Keep
the
area
of
operation
clear
of
all
persons,
particularly
small
children
and
pets.
4.
Check
fuel
before
starting
engine.
Do
not
fill
fuel
tank
indoors,
when
engine
is
running,
or
while
engine
is
hot.
Wipe
off
any
spilled
fuel
before
starting
engine.
Do
not
change
engine
governor
settings.
6.
D
o
not
put
hands
near
rotating
parts
for
any
reason.
7.
I
f
the
power
vacuum
should
start
to
vibrate
abnormally,
stop
the
engine
and
check
immedi¬
ately
for
the
cause.
Vibration
is
generally
a
warning
of
trouble.
8.
B
efore
cleaning,
repairing
or
inspecting,
make
certain
all
moving
parts
have
come
to
a
complete
stop.
Disconnect
spark
plug
wire
and
keep
wire
away
from
plug
to
prevent
accidental
starting.
Also
keep
throttle
control
lever
in
the
stop
position.
9.
I
f
the
power
vacuum
should
become
blocked
with
debris
at
any
point,
shut
engine
off
and
wait
until
the
impeller
comes
to
a
complete
stop
before
attempting
to
remove
the
obstruction.
^
Disconnect
spark
plug
wire
to
prevent
accidental
■
starting.
10.
Check
all
bolts
for
tightness
at
frequent
periods.
11.
Never
store
this
power
vacuum
with
fuel
in
the
tank.
Allow
engine
to
cool
before
storing
in
any
enclosure.
12.
Keep
bag
and
equipment
free
of
debris
when
not
in
use.
13.
Never
operate
this
power
vacuum
unless
air
duct
and
vacuum
bag
are
properly
affixed
in
their
place.
Large
zippered
end
of
bag
must
be
closed
when
operating
to
prevent
objects
from
being
blown
out.
14.
Never
empty
vacuum
bag
when
engine
is
running.
15.
Never
change
inlet
nozzle
or
auxiliary
hose
attach¬
ment
when
engine
is
running.
16.
The
manufacturer
recommends
that
the
operator
wear
safety
glasses
or
some
other
suitable
eye
protection
when
operating
this
machine.
17.
Check
the
vacuum
bag
frequently
for
wear
and
replace
when
necessary.
18.
Never
operate
as
a
leaf
blower
unless
impeller
guard
and
guard
assembly
are
properly
affixed
in
their
place.
19.
Exercise
caution
whenever
operating
as
a
leaf
blower.
Do
Not
allow
discharge
to
be
pointed
in
the
direction
of
persons.
20.
N
o
one
should
operate
this
unit
while
intoxicated
or
while
taking
medication
that
impairs
the
senses
reactions.
3
ASSEMBLY
INSTRUCTIONS
CONTENTS
OF
HARDWARE
PACK
(See
figure
1)
A
(1)
Clutch
Grip
Assembly*
B
(1)
Hair
Pin
Cotter*
C
(1)
Clevis
Pin*
D
(1)
Extension
Spring*
E
(1)
Lock
Nut
1/4-20
Thread*
F
(3)
Hand
Knobs
G
(3)
Belleville
Washers
H
(1)
Heavy
Flat
Washer
I
(4)
Hex
Bolts
1/4-20
x
1.75"
Long
J
(4)
Hex
Lock
Nuts
1/4-20
Thread
K
(2)
Stud
Pins
FIGURE
1
L
(2)
Push-on
Speed
Nuts
M
(1)
Hex
Jam
Nut
1/4-20
Thread*
LOOSE
PARTS
IN
CARTON
(See
figure
2)
N
(1)
Nozzle
0
(1)
Upper
Handle
P
(1)
Air
Duct
Assembly
Q
(1)
Clutch
Rod*
R
(1)
Directional
Discharge
Assembly
S
(1)
Impeller
Guard
T
(1)
Bag
*Self-Propelled
Models
Only.
FIGURE
2
TOW
BAR
KIT-
Standard
with
push
models.
(See
figure
3)
Optional
with
self-propelled
models.
U
(2)
Hex
Bolts
5/16-18
x
1.00"
Long
V
(4)
Shoulder
Spacers
W
(2)
Hex
Nut
5/16-18
Thread
X
(1)
Truss
Machine
Screw
1/4-20
x
.75"
Long
Y
(1)
Lock
Washer
1/4"
I.D.
Z
(1)
Hex
Nut
1/4-20
Thread
AA
(1)
Shoulder
Bolt
AB
(2)
Belleville
Washers
3/8"
I.D.
AC
(1)
Hex
Jam
Lock
Nut
3/8-16
Thread
(2)
Tow
Bar
Halves
(Not
Shown)
FIGURE
3
4
UPPER
HANDLE
(O)
I
4.
Place
air
duct
assembly
(P)
over
opening
on
top
of
housing.
Secure
with
two
hand
knobs
(F)
and
belleville
washer
(G).
See
figure
7.
FIGURE
7
Assemble
the
bag
by
slipping
the
top
straps
on
bag
(T)
over
upper
handle.
Hook
two
small
straps
over
stud
pins
on
handle.
Slip
elastic
opening
of
bag
over
air
duct
assembly.
See
figure
8.
NOTE
Be
certain
elastic
on
bag
is
placed
over
the
flanges
on
air
duct
assembly.
FIGURE
8
NOTE
Steps
6,
7,
8
and
9
are
for
self-propelled
units
only.
Assemble
the
clutch
grip
(A)
to
the
left
hand
side
of
upper
handle.
Secure
in
place
with
clevis
pin
(C)
and
hair
pin
cotter
(B).
See
figure
9.
Head
of
clevis
pin
should
be
to
the
outside
of
handle.
FIGURE
9
6
CLUTCH
ROD
(Q)
7.
S
lide
the
extension
spring
(D)
onto
clutch
rod
(Q)
as
shown
in
figure
10.
Thread
lock
nut
(E)
onto
clutch
rod
approximately
2-1/2
inches.
FIGURE
10
8.
Hook
top
(hooked
end)
of
clutch
rod
into
clutch
grip.
Hook
spring
into
clutch
bracket
assembly.
See
figure
11.
Spring
should
not
have
any
slack.
Adjust
nut
so
that
when
the
clutch
grip
is
all
the
way
up,
there
is
no
slack
in
the
spring.
9.
Thread
hex
jam
nut
(M)
onto
clutch
rod,
and
lock
it
against
the
lock
nut
(E).
FIGURE
11
FIGURE
12
ASSEMBLY
INSTRUCTIONS
To
Convert
from
a
Vacuum
to
a
Leaf
Blower.
Ac
WARNING
J
Engine
must
be
stopped
(off)
and
spark
plug
wire
disconnected.
1.
Remove
the
bag.
2.
Remove
the
air
duct
assembly
by
removing
two
hand
knobs
and
belleville
washers.
3.
Remove
the
nozzle
by
removing
one
hand
knob
and
belleville
washer.
4.
Remove
the
hand
knob
and
belleville
washer
holding
the
housing
to
engine
brace.
See
figure
12.
7
I
5.
Lift
up
and
out
on
the
housing
and
rotate
it
105°
clockwise.
Chute
opening
should
be
to
the
righ"
hand
side
when
viewed
from
the
front
of
uni
See
figure
13.
6.
Place
the
impeller
guard
(S)
into
flanges
on
front
of
housing.
Line
up
hole
in
guard
with
hole
on
housing.
Secure
with
one
hand
knob,
belleville
washer
and
heavy
flat
washer
(H).
See
figure
13.
HAND
KNOB
DIREC-TIOI'
AL
DISCHARG
1
ASSEMBLY
(R)
FIGURE
14
7.
P
lace
the
directional
discharge
assembly
(R)
ovei
chute
opening.
Secure
with
two
hand
knobs
and
belleville
washers.
See
figure
14.
BELLEVILLE
TRUSS
WASHER
(AB)
WASHER
(AB)
FIGURE
15
ASSEMBLY
INSTRUCTIONS
for
Tow
Bar
Kit
(Optional)
1.
Remove
the
self-tapping
screws
on
each
side
of
frame.
Refer
to
drawing
on
page
12,
reference
number
42.
2.
Place
tow
bar
half
in
position
on
frame.
Place
one
shoulder
spacer
(V)
between
frame
and
tow
bar.
Next,
place
shoulder
spacer
(V)
and
hex
bolt
(U)
through
tow
bar
and
frame.
Secure
with
hex
nut
(W).
See
figure
15.
Repeat
for
other
side.
3.
Secure
the
two
tow
bar
ends
together
with
truss
machine
screws
(X),
lock
washers
(Y)
and
hex
nuts
(Z).
See
figure
15.
To
attach
the
tow
bar
to
a
hitch,
place
the
shoulde’'
bolt
(AA)
up
through
the
tow
bar.
Place
one
bellevilK
washer
(AB)
on
the
shoulder
bolt,
then
the
hitch
place
and
the
other
belleville
washer.
Cupped
side
of
the
washers
must
be
against
the
hitch
plate.
Secure
with
hex
jam
lock
nut
(AC).
See
figure
15.
8
OPERATION
PRE-START
PREPARATIONS
""'Tvice
engine
with
gas
and
oil.
See
engine
manual
-ked
with
vacuum
for
complete
instructions
for
care
and
maintenance
of
engine.
READ
DIREC¬
TIONS
CAREFULLY.
▲
CAUTION
REVOLVING
BLADES-KEEP
HANDS
AWAY
FROM
ALL
OPENINGS
_
3
4S0
TO
START
ENGINE
After
the
engine
has
been
properly
fueled
and
oiled
(refer
to
engine
operating
and
maintenance
instruc¬
tions),
start
engine
following
the
instructions
below.
1.
Move
throttle
control
lever
on
engine
to
START
position.
2.
Crank
engine.
Pull
recoil
with
quick
firm
pull.
v
~
v
Do
not
pull
out
so
far
the
rope
stops
with.a
jerk
as
this
will
cause
rope
failure.
Do
not
allow
rope
and
handle
to
snap
back
into
place.
3.
After
two
or
three
full
firm
pulls
on
recoil
(or
as
soon
as
engine
fires),
move
speed
control
to
RUN
position.
4.
Self
Propelled
Models
Only
-
To
engage
the
drive
mechanism,
squeeze
the
clutch
grip
against
the
upper
handle.
Release
the
clutch
grip
to
stop
the
forward
motion.
TO
STOP
ENGINE
1.
To
stop
engine,
move
throttle
control
lever
to
STOP
position.
2.
Disconnect
spark
plug
wire
and
ground
to
prevent
accidental
starting
while
equipment
is
unattended.
Operate
a
new
engine
at
intermediate
speeds
and
light
load
for
the
first
few
hours
as
you
would
a
new
automotive
engine.
IMPORTANT
The
vacuum
bag
may
have
an
air
escape
located
on
the
upper
right
hand
side.
See
figure
16.
The
air
escape
can
be
opened
if
the
vacuum
is
operated
in
wet,
sandy
or
muddy
conditions.
ADJUSTMENTS
CAUTION
Do
not
at
any
time
make
any
adjust¬
ment
to
the
unit
without
first
stopping
engine
and
disconnecting
spark
plug
wire.
HEIGHT
ADJUSTMENT
The
height
adjustment
crank
is
located
on
the
right
hand
side
of
the
vacuum.
See
figure
17.
Turn
the
crank
clockwise
to
raise
the
nozzle.
Turn
the
crank
counter¬
clockwise
to
lower.
FIGURE
17
9
I
CARBURETOR
ADJUSTMENT
Ac
WARNING
J
If
any
adjustments
are
made
to
the
engine
while
the
engine
is
running
(e.g.
carburetor),
disengage
all
clutches.
Keep
clear
of
all
moving
parts.
Be
careful
of
heated
surfaces
and
muffler.
If
carburetor
needs
adjustment
to
start
or
for
oper¬
ation,
see
"Carburetor
Adjustment"
section
of
encine
manual.
CLUTCH
ROD
ADJUSTMENT
(Self
Propelled
Me
dels
Only)
To
adjust
the
clutch
rod,
refer
to
step
numbers
8
and
9
under
assembly
instructions.
LUBRICATION
Wheels
-
Rear
wheels
are
provided
with
oil
ite
bearings.
Place
a
few
drops
of
SAE
30
oil
on
f
ach
bearing
once
a
season.
Gear
Box
(Self
Propelled
Models
Only)
-
The
gear
box
lubricated
with
2
ounces
of
High
Temp.
(450°
F.)
grease.
Order
part
number
737-0133.
Periodically
check
lubricant
level
by
removing
the
two
self-tap
)ing
screws
on
the
gear
box
cover
and
lifting
off
the
cover.
Do
not
change
grease;
simply
add
if
necessary.
MAINTENANCE
FIGURE
19
A
j
WARNING
}
Disconnect
spark
plug
wire
and
ground
it
against
the
engine
before
performing
any
repairs
or
maintenance.
BELT
REPLACEMENT
(Self
Propelled
Models
O
ily)
1.
Remove
the
nozzle
or
impeller
guard
from
f
ont
of
blower
housing.
2.
Remove
hex
bolt
and
lock
washer
from
center
of
impeller.
See
figure
18.
A
9/16"
socket
wr<
nch
with
extension
is
needed.
3.
Remove
hand
knob
and
bedeville
washer
Irom
top
of
housing.
4.
Remove
two
self-tapping
screws
which
hold
the
belt
guard.
See
figure
19.
A
3/8"
wrenci
is
required.
Lift
off
belt
guard.
5.
S
lide
belt
off
the
impeller
pulley.
Slide
housing
and
impeller
off
engine
crankshaft.
Be
careful
to
not
lose
square
key.
See
figure
20.
FIGURE
20
10
6.
Slide
impeller
and
blower
housing
assemblies
off
crankshaft.
OFF-SEASON
STORAGE
7.
Remove
belt
from
P.T.O.
pulley
and
install
new
v
.
belt.
See
figure
20.
NOTE
When
reassembling
the
new
belt,
the
aid
of
another
person
will
be
helpful.
The
following
steps
should
be
taken
to
prepare
the
unit
for
storage.
1.
Clean
the
engine
and
the
entire
unit
thoroughly.
2.
Refer
to
engine
manual
for
correct
engine
storage
instructions.
3.
Store
unit
in
a
clean,
dry
area.
-8.
Turn
the
crankshaft
until
the
key
way
on
shaft
is
directly
on
top.
While
holding
housing
assembly
and
impeller
assembly,
line
up
the
key
way
on
the
pulley
with
the
key
on
the
crankshaft,
and
slide
housing
and
impeller
assemblies
onto
crankshaft.
9.
Secure
impeller
to
crankshaft
with
hex
bolt
and
lockwasher,
removed
in
step
2.
Tighten
securely.
10.
Slip
belt
over
impeller
pulley
and
reassemble
the
belt
guard.
11.
Secure
blower
housing
with
hand
knob
and
washer.
12.
Reassemble
the
nozzle
or
impeller
guard.
When
storing
any
type
of
power
equipment
in
an
unventilated
or
metal
storage
shed,
care
should
be
taken
to
rustproof
the
equipment.
Using
a
light
oil
or
silicone,
coat
the
equipment,
especially
springs
and
bearings.
TROUBLE
SHOOTING
CHART
---—
PROBLEM
CAUSE
REMEDY
1.
Excessive
vibration.
A.
Bent
crankshaft.
B.
Vane
plate
out
of
balance.
A.
Replace
crankshaft
(should
be
done
by
an
authorized
service
dealer).
B.
Replace
vane
plate.
2.
Height
adjust¬
ment
slips
out
of
lockout
position.
Handle
bent.
Replace
index
handle
and
index
plate.
3.
Engine
fails
to
start.
A.
Check
fuel
tank
for
gas.
B.
Spark
plug
lead
wire
disconnected.
C.
Faulty
spark
plug.
A.
Fill
tank
if
empty.
B.
Connect
lead
wire.
C.
Spark
should
jump
gap
between
control
electrode
and
side
electrode.
If
spark
does
not
jump,
replace
the
spark
plug.
4.
Hard
starting
or
loss
of
power.
A.
Spark
plug
wire
loose.
B.
Dirty
air
cleaner.
A.
Connect
and
tighten
spark
plug
wire.
B.
Clean
air
cleaner
as
described
in
engine
manual.
5.
Engine
over¬
heats.
A.
Carburetor
not
adjusted
properly.
B.
Air
flow
restricted.
C.
Engine
oil
level
low.
A.
Adjust
carburetor.
See
engine
manual.
B.
Remove
blower
housing
on
engine
and
clean
as
described
in
the
engine
manual.
C.
Fill
crankcase
with
the
proper
oil.
.
.DTE:
For
repairs
beyond
the
minor
adjustments
listed
above,
please
contact
your
local
service
dealer.
11
675/685/689
PARTS
LIST
FOR
MODELS
675,
685,
689,
24677
and
24687
POWER
VACUUMS
F
IMO.
PART
NO.
COLOR
CODE
DESCRIPTION
NEW
PARI
REF
NO.
PART
NO.
COLOR
CODE
DESCRIPTION
NEW
PART
1
0577
3
Clutch
Grip
Ass'y.
t
40
748-0135
Bevel
Gear
.62"
I.D.
x
28
2
711-0679
Clevis
Pin
.375"
Dia.
x
1.88"t
Teeth
t
3
747-0154
Clutch
Rod
32"
Lg.
t
41
715-0246
Spring
Pin
Spiral
3/16"
Dia.
4
749-0482
Handle
Brace
x
1.25"
Lg.
t
5
i
.
Part
of
Engine
42
710-0726
Hex
Wash.
Hd.
"AB"
Tap
Scr
6
710-0892
Hex
L-Wash.
Hd.
AB
Tap
Scr.
5/16"
x
.75"
Lg.
1/4"
x
.62"
Lg.
t
46
748-0201
Spacer
.63
I.D.
x
.88"
O.D.
7
14558
Belt
Guard
T
x
.56"
Lg.
t
8
714-0114
Square
Key
1/4"
x
2.0"
Lg.
47
14530-488
Side
Plate
9
14536-488
Air
Vane
Plate
Ass'y-
(675
and
48
715-0247
Spring
Pin
Spiral
3/16"
Dia.
_
677)
x
1.0"
Lg.
t
14557-488
Air
Vane
Plate
Ass'y.
w/pulley
■
49
748-0288
Drive
Pinion
t
10
710-0442
Hex
Bolt
5/16-18
x
1.5"
Lg.*
50
710-0170
Hex
Locking
Bolt
5/16-24
11
754-0219
"V"-Belt
1/2"
x
26"
Lg.
t
x
.62"
Lg
12
736-0119
L.-Wash.
5/16"
I.D.
51
736-0159
FI.-Wash.
.34"
I.D.
x
87"
O.D
13
712-0267
Hex
Nut
5/16-18
Thd.*
53
734-1035
Wheel
Ass'y.
-
Comp.
12"
x
3"
14
16454.
Engine
Mounting
Frame
(Incl.
Ball
Bearings)
_
Ass
y.
N
734-1184
Wheel
Ass'y.
Comp.
10.5"
15
714-0115
Cotter
Pin
1/8"
Dia.
x
1.0"
Lg.*
x
4"
(677
Only)
16
736-0187
FI.-Wash.
.63"
I.D.
x
1.25"
741-0313
Bearings
(677
Oniy)
O.D.
54
750-0194
Spacer
.63"
I.D.
x
1.00"
O.D.
17
736-0921
L.-Wash.
1/2"
I.D.*
x
.94"
Lg.
(675,685,687)
18
712-0206
Hex
Nut
1/2-13
Thd.*
748-0192
Spacer
.63"
I.D.
x
.878"
O.D.
19
712-0107
Hex
Cent.
L.-Nut
1/4-20
Thd.
x
.79"
Lg.
(677)
■
ko
732-0411
Extension
Spring
.78"
O.D.
55
710-0118
Hex
Bolt
5/16-18
x
.75"
Lg.*
...
x
.75
Lg.
t
57
747-0665
Height
Adjustment
Crank
734-1036
Swivel
Caster
Wheel
5"
Dia.
58
736-0117
FI.-Wash.
138"
I.D.
x
.62"
O.D.
N
x
1.25"
59
720-0171
Crank
Knob
22
732-0409
Extension
Spring
.38"
O.D.
61
710-0136
Hex
Bolt
1/4-20
x
1.75"
Lg.
x
7.50"
La.
t
62
764-0162
Vacuum
Bag
-
Felt
23
716-0104
Snap
"E"-Ring
.50"
Dia.
63
1539-019
Push
Speed
Nut
.25"
Dia.
Stud
....
Shaft
t
64
749-0481
Lower
Handle
24
756-0367
"V"-Pulley
5/8"
x
6.50"
O.D.t
66
726-0100
Push
Nut
3/8"
Dia.
25
748-0142
Flange
Bearing
.502"
I.D.
t
67
711-0737
Stud
Pin
.250"
Dia.
x
1.75"
26
14570
Gear
Box
Mounting
Bracket
t
69
714-0145
Internal
Cotter
Pin
3/8"
Dia.
27
732-0376
Extension
Spring
.75"
O.D.x
70
749-0480
Upper
Handle
3.28"
Lg.
t
71
738-0185
Rear
Axle
.624"
Dia.
x
24.37"
28
14565
Clutch
Bracket
Ass'y.
t
72
715-0249
Spring
Roll
Pin
5/32"
Dia.
29
714-0229
#2
Woodruff
Key
3/32"
Dia.
x
1.12
T
x
.81"
Lg.
t
73
750-0142
Spacer
.82"
I.D.
x
1.00"
O.D.
30
748-0227
Hex
Flange
Bearing
Bronze
x
.305
Lg.
t
.625"
I.D.
t
74
736-0175
L.-Wash.
.265"
I.D.
T
31
738-0516
Pinion
Shaft
.50"
Dia.
x
5.0"t
75
710-0352
Hex
Self
Tap
Scr.
1/4"
x
3/8"
32
717-0493
Gear
Box
Ass'y.
Comp,
t
Lg.
t
33
16273
Caster
Arm
Ass'y.
N
76
14556
R.H.
Pinion
Guard
T
34
08348
Drive
Shaft
.624"
Dia.
x
14555
L.H.
Pinion
Guard
(Not
Shown
22.75"
Lg.
t
77
712-0298
Hex
Jam
Nut
1/4-20
Thd.
t
35
748-0136
j
Bevel
Gear
.50"
I.D.
x
14
78
736-0242
Belleville
Washer
Teeth
79
736-0300
Fl.-Wash.
.35"
I.D.
x
.87"
O.D.
36
748-0108
|
Flange
Bearing
.503"
I.D.
t
80
750-0528
Spacer
.38"
I.D.
x
.50"
O.D.x
37
08189
Gear
Box
t
.180"
Lg.
38
748-0110
Flange
Bearing
.630"
I.D.
t
81
21989
Ferrule
3/8-16
x
.38"
Dia.
1
08187
Gear
Box
Cover
t
82
712-0798
Hex
Nut
3/8-16
Thd.*
1
83
736-0169
L.-Wash.
3/8"
I.D.*
tParts
for
Self-Propelled
Units
(Models
685,689,
and
24687)
only.
13
Models
675,
685
and
689
Ref.
No.
Part
No.
Color
Code
-_
*
,
---r
.
wmui,
v
v
Description
WUUIV
New
Part
1
14532
-
488
Air
Duct
Assembly
2
/36-0242
Belleville
Wash.
34"
I.D.
x
87"
O
D
3
720-0170
3-Arm
Thumb
Scr.
5/16-18
x
.75"
Lg
4
749-0501
Tow
Bar
Half
5
731-0608
Impeller
Guard
8
14479
Directional
Discharge
Ass
y.
9
14562
Nozzle
Ass'y.
10
14563
Nozzle
Plate
Ass'y.
11
712-0267
Hex
Nut
5/16-18
Thd.*
12
736-0119
L.-Wash.
5/16"
I.D.
13
710-0191
Hex
Bolt
3/8-24
x
1.25"
Lg.*
14
736-0217
L.-Wash.
3/8"
I.D.
H.D.
15
14536
-
488
Air
Vane
Plate
Ass'y.
(675
and
24677)
14557
—
488
Air
Vane
Plate
Ass'y.
w/pulley
(685,
689
and
16
14496
-
488
Blower
Housing
Complete
17
14541
Right
Angle
Bracket
18
710-0600
Hex
Self-Tap
Scr.
5/16-18
x
.50"
Lg
19
736-0231
FI.-Wash.
5/16"
I.D.
20
711-0758
Hex
Shoulder
Nut
.50
I.D
21
710-0260
Carriage
Bolt
5/16-18
x
.62"
Lg
*
22
710-0627
Hex
Locking
Bolt
5/16-24
x
.75"
Lg
23
14539
Housing
-
Engine
Brace
Ass'y.
24
728-0173
Pop
Rivet
(5-Required)
25
14569
Wiper
Retaining
Strip
26
735-0214
Nozzle
Wiper
28
710-0602
Hex
Bolt
5/16-18
x
1.00"
Lg.*
t
29
710-0255
Truss
Mach.
Scr.
1/4-20
x
.75"
Lg
*
+
30
712-0287
Hex
Nut
1/4-20
Thd.*t
31
736-0329
L.
Wash.
1/4"
I.D.*t
32
748-0234
Shoulder
Spacer
t
34
738-0143
Shld.
Bolt
.496
Dia.
t
35
736-0219
Belleville
Wash.
.39
I.D.
x
1.12
O
D
t
36
712-0181
Hex
Jam
L-Nut
3/8-16
Thd.
t
tOptional
Parts
*For
faster
service
obtain
standard
nuts,
bolts
and
washers
locally.
If
these
items
cannot
be
obtained
locally,
order
by
part
number
and
size
as
shown
on
parts
list.
(488
-
Mack
Truck
Yellow)
(615
-
Red)
When
ordering
parts,
if
color
or
finish
is
important
use
the
appropriate
color
code
shown
above,
(e.g.
Mack
Truck
Yellow
finish
—
14542
(488).
NOTE:
The
engine
is
not
under
warranty
by
the
vacuum
manufacturer...
If
repairs
or
service
is
needed
on
the
engine,
please
contact
your
nearest
author-
^
ized
engine
service
outlet.
Find
It
Fast
Check
the
"Yellow
Pages"
of
*
n
Th*
your
telephone
book
under
TeUow
Pages
“Engines—Gasoline.”
This
instruction
manual
covers
various
models
and
all
specifications
shown
do
not
necessarily
apply
to
your
model.
Specifica¬
tions
subject
to
change
without
notice
or
obligation.
15
MTD
PRODUCTS
INC
...
Y3RD-M3N
COMPANY
P.O.
BOX
3690(i
•
CLEVELAND
OHIO
44136
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