Bolens 19967-1 User Manual
NOTE*. Universal Drive Shaft 717-0135 is required to assemble snow thrower to tractor.
If 42" or'50" Deck Assembly is included with tractor. Universal Drive Shaft
717-0135 will not be required.
ASSEMBLY • OPERATION • MAINTENANCE • PARTS
40” SNOW THROWERS
ATTACHMENT
Important: Model Numbers
Read Safety Rules and
Instructions Carefully
Thank you for purchasing an
American built product.
PRINTED IN U.S.A.
191-967A
19967-1
FORM NO. 770-0312
LIMITED WARRANTY
For one year from the date of original retail purchase, MTD PRODUCTS INC will either
repair or replace, at its option, free of charge, F.O.B. factory or authorized service firm,
any part or parts found to be defective in material or workmanship. Transportation charges
under this warranty must be paid by the purchaser unless return is requested by
MTD PRODUCTS INC.
This warranty will not apply to any part which has become inoperative due to misuse,
excessive use, accident, neglect, improper maintenance, alterations, or unless the unit
has been operated and maintained in accordance with the instructions furnished. This
warranty does not apply to the engine, motor, battery, battery charger or component parts
thereof. Please refer to the applicable manufacturer’s warranty on these items.
This warranty will not apply where the unit has been used commercially.
Warranty service is available through your local authorized service dealer or distributor. If
you do not know the dealer or distributor in your area, please write to the Customer Service
Department of MTD.
The return of a complete unit wilt not be accepted by the factory unless prior written
permission has been extended by MTD.
This warranty gives you specific legal rights. You may also have other rights which vary
from state to state.
SAFE OPERATION PRACTICES FOR SNOW
' TRAINING
1. Read the Owner’s guide instruction manuai
carefuily. Be throughiy familiar with the
controls and proper use of the equipment.
Know how to stop the unit and disengage the
controls quickly.
2. Never allow children to operate equipment.
Never allow adults to operate equipment
without proper instructions.
3. Keep the area of operation clear of all
persons, especially small children and pets.
4. Exercise caution to avoid slipping or falling,
especially when operating in reverse.
PREPARATION
1. Thoroughly inspect the area where the
equipment is to be used and remove all door
mats, sleds, boards, wires and other foreign
objects.
2. Disengage all clutches and shift into neutral
before starting engine.
3. Do not operate equipment without wearing
adequate winter outer garments. Wear foot
wear which will improve footing on slippery
surfaces.
4. Handle fuel with care. It is highly flammable.
(A) Use approved fuel container.
(B) Never add fuel to a running engine or hot
^;-*«**% ©nQin©.
(C) Fill fuel tank outdoors with extreme care.
Never fill fuel tank indoors.
(D) Replace gasoline cap securely and wipe
up spilled fuel.
5. Use a grounded three wire plug-in for all units
with electric drive motors or electric starting
motors.
6. Adjust collector housing height to clear gravel
or crushed rock surface.
7. Never attempt to make any adjustments while
engine is running (except where specifically
recommended by manufacturer).
8. Let engine and machine adjust to outdoor
temperature before starting to clear snow.
OPERATION
1. Do not put hands or feet near rotating parts.
Keep clear of discharge opening at all times.
2. Exercise extreme caution when operating on
or crossing a gravel drive, walks, or roads.
Stay alert for hidden hazards or traffic. Do not
carry passengers.
3. After striking a foreign object, stop the
engine, remove wire from spark plug,
thoroughly inspect the snow thrower for any
damage, and repair the damage before
restarting and operating the snow thrower.
4. If the snow thrower should start to vibrate
abnormally, stop the engine and check
immediately for the cause. Vibration is
generally a warning of trouble.
5. Stop engine whenever you leave the operating
position, before unclogging the collector/
THROWERS
impeller housing or discharge guide, and
making any repairs, adjustments, or inspec
tions.
6. Take all possible precautions when leaving
the vehicle unattended. Disengage the power
take-off, lower the attachment, shift into
neutral, set the parking brake, stop the
engine, and remove the key.
7. When cleaning, reparing, or inspecting make
certain collector/impeller, and all moving
parts have stopped. Disconnect spark plug
wire and keep away from plug to prevent
accidental starting.
8. Do not run engine indoors, except when
starting engine and for transporting snow
thrower in or out of building. Open doors.
Exhaust fumes are dangerous.
9. Do not clear snow across the face of slopes.
Exercise extreme caution when changing
direction on slopes. Do not attempt to clear
steep slopes.
10. Never operate snow thrower without guards,
plates, or other safety protection devices in
place.
11. Never operate snow thrower near glass
enclosure, automobiles, window wells, drop
off, etc. without proper adjustments of snow
thrower discharge angle. Keep children and
pets away.
12. Do not overload machine capacity by
attempting to clear snow at too fast a rate.
13. Never operate machine at high transport
speeds on slippery surfaces. Use care when
backing.
14. Never direct discharge at bystanders or allow
anyone in front of unit.
15. Disengage power to collector/impeller when
transporting or not in use.
16. Use only attachments and accessories
approved by the manufacturer of snow
thrower (such as wheel weights, counter
weights, cabs, etc.).
17. Never operate the snow thrower without good
visibility or light. Always be sure of your
footing and keep a firm hold on the handles.
Walk, never run.
MAINTENANCE AND STORAGE
1. Check shear bolts, engine mounting bolts,
etc. at frequent intervals for proper tightness
to be sure equipment is in safe working
condition.
2. Never store machine with fuel in the fuel
tank inside a building where open flame or
spark are present. Allow engine to cool before
storing in any enclosure.
3. Always refer to owner’s guide instructions for
important details if snow thrower is to be
stored for an extended period.
4. Run machine a few minutes after throwing
snow to prevent freeze up of collector/
impeller.
CONTENTS OF HARDWARE PACK: (See figure 1)
A
B
C
D
E (2)
F (2) Hair Pin Cotters Y
G (10) Hex bolts 3/8-16 x 3/4 long
H (10) Flat washers 3/8" I.D.
1 (10) Hex lock nuts 3/8-16 thread
J
K (6)
L
M
N
0
P
Q
R (4)
S
Idler pulley
(1)
Hex bolt 3/8-24 x 1-3/4" long U (4)
(1)
Belleville washer
(1)
Hex lock nut 3/8-24 thread W
(1)
Clevis pin
(3) Flange keepers
Hex lock nuts 1/4-20 thread
Cotter pin
(1)
Chute crank bracket
(1)
Hand knob
(1)
(2) Hex bolts 5/16-18 x 1" long
Lock washers 5/16" I.D.
(2)
(2) Hex nuts 5/16-18 thread
Hex bolts 1/2-13 x 1-1/4" long
(4) Spacers
o-Iinililll
O O O
P—C o
T (4)
V (4)
X (4)
Z
AA (4)
AB
AC
AD
AE
AF
AG (4)
AH
Al
AJ
AK
o-n
Lock washers 1/2" I.D.
Hex lock nuts 1/2-13 thread
Carriage bolts 5/16-18 x 5/8" long
(4)
Lock washers 5/16" I.D.
Hex nuts 5/16-18 thread
(4)
Carriage bolts 3/8-16 x 3/4" long
(4)
Belleville washers 3/8" I.D..
Hex nuts 3/8-16 thread
(2) Shoulder bolts 7/16-14 thread
(2)
Lock washers 7/16" I.D.
(2) Hex nuts 7/16-14 thread
(4)
Hex bolts 5/16-18 x 3/4" long
(4)
Lock washers 5/16" I.D.
Hex nuts 5/16-18 thread
(4)
Hex bolts 7/16-20 X 1" long
(4)
Lock washers 7/16" I.D.
(4)
Hex nuts 7/16-20 thread
(4) Front hanger links
AB—Y f
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FIGURE 1
BOLT lYi
ELLEVILLE
ASHER (Z)
ASSEMBLY INSTRUCTIONS
TOOLS REQUIRED
(1) Adjustable wrench
(1) 9/16" Open end or box wrench
(1) 1/2" Open end or box wrench
(1) 7/16" Open end or box wrench
(1) 3/4" Open or box wrench
(1) 11/16" Open end or box wrench
(1) Drift or punch
(1) Pairofpliars
FIGURE 2
HOUSING
SKID SHOE HEX NUT (AA)
\
DRIFT CUTTER
CARRIAGE BOLT IV)
HEX NUT IX)
1. Assemble the skid shoes to each side of snow
_ thrower housing. Place head of carriage bolt (Y)
to the inside of housing and fasten with be)leville
washer (Z) and hex nut (AA). Only make finger
tight at this time. See figure 2.
2.
Assemble the drift cutters to each side of snow
thrower housing. Place head of carriage bolt (V)
to the inside of housing and fasten with lock
washer (W) and hex nut (X). A 1/2" wrench is
required. See figure 3.
FIGURES
FIGURE 4
REASE THIS
REA
HEX LOCK NUTS (K)
Apply a little grease to the lip of the chute
opening before assembly of chute. See figure 4.
4.
Set the chute assembly in place on the chute
opening of snow thrower housing. Secure in place
with three flange keepers (J) and six hex lock
nuts (K). A 7/16" wrench is required. See figure 4.
IDLl ri PULLEY 'A, HUH Sll
FIGURE 5
IDLER PULLEY (A)
5. Assemble the idler pulley (A) to the idler bracket
on snow thrower housing.
NOTE
Hub side of idler pulley must be
assembled towards the idler bracket.
See figure 5.
A.
Place hex bolt (B) through idler pulley (A)
and through center hole on idler bracket. See
figure 6.
FIGURE 6
ADJUSTABLE
WRENCH
■
NOTE
The idler bracket has three holes for
belt tension adjustment. Normally, the
center hole on the idler bracket is used
when assembling the idler pulley. When
the belt is assembled to the snow
thrower (Step numbers 11, 12 and
13), the idler pulley may be moved to
the top hole if the belt is too tight.
Secure idler pulley (A) and hex bolt (B) to
idler bracket with belleville washer (C) and hex
lock nut (D). An adjustable wrench and a 9/16"
wrench is required. See figure 7. Tighten securely.
9 1G" WRENCH ^
FIGURE 7
REAR SUPPORT ANGLE L.H.
HEX NUT (I)
LOCK WASHER (H)
ATTACHING
PLATE
REAR SUPPORT
ANGLE R.H.
FIGURE 8
FRONT SUPPORT
CHANNEL
■HEX BOLT (G)
6. Preassemble the front support channel and the
rear support angles as follows;
A. Place the front support channel on a work
bench or the floor. Place the rear support
angles in position as shown in figure 8.
B. Place the attaching plates between front
support channel and rear support angles. See
figure 8.
C. Place hex bolts (G) through holes in side of
rear support angles, attaching plates and front
support channel. See figure 8.
D. Secure hex bolts (G) with lock washers (H)
hex nuts (I). Make only finger tight. See
figure 8.
FIGURE 9
Raise front support channel up and secure
the bottom four holes with hex bolts (G),
lock washer (H) and hex nuts (I). See figure 9.
Tighten all ten bolts and nuts with 9/16"
wrench and adjustable wrench.
FRONT SUPPORT CHANNEL
Assemble the front support channel to the snow
thrower housing. Place the front support channel
between weld plates on housing. On one side,
place spacers (S) between channel and housing
and secure with hex bolts (R), lock washers (T)
and hex lock nuts (W). See figure 10. Just start
nuts on by hand. Using a drift pin or punch on
by hand. Using a drift pin or punch on the other
side, line up spacers (S) between channel and
housing and secure in same manner. An adjustable
wrench and a 3/4" wrench is required.Tighten
securely.
FIGURE 10
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