Craftsman 486.24839 User Manual
Owner's Manual
CRRFTSMRN
40“- 2 STAGE SNOW THROWER
TRACTOR ATTACHMENT
Model No. 486.24839
CAUTION:
Before using this product,
read this manual and follow
all Safety Rules and
Operating Instructions.
Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.
PRINTED IN U.S.A.
• Safety
• Assembly
• Operation
• Maintenance
• Parts
TABLE OF CONTENTS
ACCESSORIES
SAFETY RULES.........................................................3
FULL SIZE HARDWARE CHART.......................................4
CARTON CONTENTS
ASSEMBLY..............................................................5
OPERATION...........................................................18
MAINTENANCE
..........................................................
..................................................
.......................................................
19
2
5
SERVICE AND ADJUSTMENTS.......................................20
STORAGE.............................................................21
TROUBLESHOOTING
REPAIR PARTS ILLUSTRATION
REPAIR PARTS LIST..............................................23,25
SLOPE GUIDE.........................................................27
PARTS ORDERING/SERVICE
................................................
.................................
........................
BACK COVER
WARRANTY
LIMITED ONE YEAR WARRANTY ON 40" 2-STAGE SNOWTHROWER
For one year from the date of purchase, when this snow thrower is maintained and lubricated according to the operating
and maintenance instructions in the owner's manual, Sears will repair any defect in material or workmanship free of charge.
If this snow thrower is used for commercial or rental purposes, this warranty applies for only 90 days from the date of
purchase.
This warranty does not cover repairs necessary because of operator negligence or abuse, including the failure to maintain
the equipment according to instructions contained in the owner's manual.
WARRANTY SERVICE IS AVAILABLE BY CONTACTING THE NEAREST SEARS SERVICE CENTER/DEPARTMENT
IN THE UNITED STATES.
TTiis warranty applies only while this product is in the United States.
21
22,2^
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
Sears, Roebuck and Co. D/817 WA. Hoffman Estates, Chicago, IL 60179
ACCESSORIES AND ATTACHMENTS
These accessories were available when the unit was purchased. They are also available at most Sears retail outlets
and service centers. Most Sears stores can order repair parts for you when you provide the model numbers of your
tractor and snow thrower.
WHEEL WEIGHT
TIRE CHAINS DRIFT CUTTER BARS
KIT NO. 71-88294
The model number and serial numbers will be found on a
decal attached to the snow thrower.
You should record both the serial number and the date of
purchase and keep in a safe place for future reference.
MODEL NUMBER:
SERIAL NUMBER:
DATE OF PURCHASE:
486.24839
Any power equipment can cause injury if operated improperly or if the user does not understand how to operate
the equipment. Exercise caution at all times, when using power equipment.
Read this owner's manual carefully and know how
to operate your snow thrower and how to stop the
unit and disengage the controls quickly.
Never allow children to operate the equipment.
Never allow adults to operate the equipment
without proper instruction.
Keep the area of operation clear of alt persons,
especially small children, and pets.
Thoroughly inspect the area where the equipment
is to be used and remove all door mats, sleds,
boards, wires and other foreign objects.
Disengage all clutches and shift into neutral before
starting engine.
Do not operate equipment without wearing ad
equate winter outer garments.
Wear substantial footwear which will protect feet
and improve footing on slippery surfaces.
Check fuel before starting the engine. Do not
remove the fuel cap or fill the fuel tank while the
engine is running or hot. Do not fill the fuel tank
indoors. Gasoline is an extremely flammable fuel.
Make sure the snow thrower height is adjusted to
clear the type surface it will be used on.
Do not use the snow thrower without the rear
weight attached to the tractor.
Never make any adjustments while the engine is
running.
Always wear safety glasses or eye shield during
operation or while performing and adjustment or
repair.
Do not place hand or feet near rotating parts. Keep
clear of the discharge opening at all times.
Use extreme caution when operating on or crossing
gravel surfaces.
Do not carry passengers.
After striking a foreign object, stop the engine,
remove the wire from the spark plug and then
thoroughly inspect the snow thrower for damage.
Repair any damage before restarting and operating
the snow thrower.
If the snow thrower starts to vibrate abnormally,
stop the engine immediately and check for the
cause. Vibration is generally a warning of trouble.
Stop the engine whenever you leave the operating
position, before unclogging the snow thrower or
making any adjustments or inspections.
Take all possible precautions when leaving the unit
unattended. Disengage the attachment clutch lever
or switch, lower the snow thrower, shift into neutral,
set the parking brake, stop the engine and remove
the key.
When cleaning, repairing or inspecting, make
certain all moving parts have stopped. Disconnect
the spark plug wire and keep it away from the plug
to prevent accidental starting.
Do not run engine indoors except when transport
ing the snow thrower in or out of the building. Open
the outside doors. Exhaust fumes are dangerous.
Do not clear snow across the face of slopes.
Exercise extreme caution when changing direction
on slopes. Do not attempt to clear steep slopes.
Refer to the slope guide on page 27 of this manual.
Never operate the snow thrower without guards,
plates or other safety protection devices in place.
Never operate the snow thrower near glass enclo
sures, automobiles, window wells, drop offs etc.
without proper adjustment of the snow thrower
discharge angle.
Never direct discharge at bystanders or allow
anyone in front of the snow thrower.
Never run the snow thrower into material at high
speeds.
Do not overload the machine capacity by attempt
ing to clear snow at too fast a rate.
Never operate the machine at high transport speed
on slippery surfaces. Look behind and use care
when backing.
Watch for traffic and stay alert when crossing or
operating near roadways.
Disengage power to the snow thrower when trans
porting or when not in use.
Use only attachments and accessories approved by
the manufacturer of the snow thrower (such as
wheel weights, counter weights, cabs etc.)
Never operate the snow thrower without good
visibility or light.
Look for this symbol to point out important safety precautions. It mean—Attention!!
Become alert!! Your safety is involved.
HARDWARE PACKAGE CONTENTS
SHOWN ACTUAL SIZE
REF. QTY. DESCRIPTION REF. QTY.
A 1
B 4 Hex Bolt, 3/8" x1"
Hex Bolt, 1/2" X 1-1/4"
c 2 Hex Bolt, 5/16" X 1-3/4"
D 6 Hex Bolt, 1/4" X 1"
E 2 Slotted Truss Head Bolt, 3/8" x 1"
F 4 Carriage Bolt, 3/8" x 1"
G 2
H 2 Carriage Bolt, 5/16" x 1-1/4"
1
J
K 4
L
M 14 Lock Washer, 5/16"
N
Carriage Bolt, 5/16" x 1-3/4"
6 Carriage Bolt, 5/16" x 1"
2
Carriage Bolt, 5/16" x 3/4"
Shoulder Bolt, 3/8" x 5/8"
10 Lock Washer, 3/8"
Lock Washer. 1/2"
1
0 2 Washer, 1/2"
P
Q
R 2
7 Washer, 1/4"
2
Washer, 5/16"
Bowed Washer
S 1 Washer, 3/8"
T 6
u 12 Hex Nut, 5/16" .
V 4 Hex Lock Nut, 5/16" {2 pcs. spare parts)
w 11 Hex Lock Nut, 3/8"
X 1 Hex Nut, 1/2"
Y 3 Hairpin Cotter, 5/64"
z
AA 1 Hairpin Cotter, 3/32"
BB 2 Shear Bolt {spare parts)
CC 1 Tarp Strap
DD 1 Spring
3
EE 3 Chute Keeper
FF 1 Chain, Tensioning
GG 1 Trunnion
HH 1 Spacer
II 2 Lock Pin
JJ 1 Plastic Cap
KK 2 Nylon Tie
DESCRIPTION
Hex Lock Nut, 1/4"
Hairpin Cotter, 1/8"
CARTON CONTENTS
ASSEMBLY
Cross Brace (Weight Tray)
1.
2. Side Brace (Weight Tray)
Right Hand Side Plate (Stamped "R")
3.
4. Left Hand Side Plate (Stamped "L")
Anti-rotation Bracket
5.
Engagement Rod (Not used on some models)
6.
7. Engine Pulley Keeper
Chute Crank Rod Assembly
8,
Support Tube, Crank Rod
9.
10. Lift Handle Tube and Cable
11.
Cable Bracket
12.
Plastic Keg
13.
Left Hand Hanger Bracket (Stamped "L")
14.
Right Hand Hanger Bracket (Stamped “R")
15.
Clutch Idler Assembly
16.
V Belt, Drive
17.
V Belt, Auger (Attached to Housing Assembly)
18.
Chute and Control Cable Assembly
19.
Housing Assembly
20.
Weight Tray
Hardware Package (Stored inside Plastic Keg)
TOOLS REQUIRED FOR ASSEMBLY
(2)
(2)
(2)
(2)
(1)
7/16" Wrenches
1/2* Wrenches
9/16* Wrenches
3/4" Wrenches
Knife
ADDITIONAL ITEMS REQUIRED
General Purpose Grease
REMOVAL OF PARTS FROM CARTON
• Remove all parts and hardware packages from the
carton. Lay out parts and hardware and identify using
the illustrations on pages 4 and 5.
NOTE; Not all of the supplied parts and hardware
will be needed for your particular tractor. Unneeded
items may be discarded after you have completed
assembly.
ASSEMBLY OF SIDE PLATES TO TRACTOR
Right hand (R.H.) and left hand (LH.) side of the tractor
are determined from the operators position while seated
on the tractor.
TRACTORS WITH FRAME MOUNTED FRONT
SUSPENSION BRACKETS (See page 7 for tractors
with axle mounted front suspension brackets.)
• Remove two bolts from each side of the tractor
frame as shown in figure 1.
CAUTION: Before starting to assemble
the snow thrower, remove the spark plug
A
wire{s), set the parking brake and
remove the key from the tractor ignition.
TRACTOR PREPARATION
Before performing these instructions, refer to the Service
and Adjustments section of your tractor owner's manual
for specific safety instructions.
• Allow engine, muffler and exhaust deflector to cool
before beginning.
• Remove any front or rear attachment which is
mounted to your tractor.
• Remove the mower deck. Refer to your tractor
owner's manual for removal instructions. Mark all
loose parts and save for re-assembly.
• Remove the tractor hood and grill assembly. Refer to
your tractor owner's manual for removal instructions.
Assemble the R.H. Side Plate (marked "R") to the
now empty holes in the right side of the tractor frame.
Use two 3/8" X 1" hex bolts and 3/8* lock washers as
shown in figure 2. Repeat for the L.H. side.
NOTE: If the side plates are later removed from
the tractor frame, bolts must be assembled back
into the empty holes in the frame.
ITEMS REMOVED FROM TRACTOR
Store all parts that you remove from the tractor and do
not re-use while assembling the snow thrower.
Assemble a shoulder bolt, a 3/8“ lock washer and a
3/8" hex lock nut to the bottom hole in each side
plate. See figure 3.
Proceed to page 8.
Attach the R.H. Side Pi ate (marked "R") to the right
side of the tractor frame as shown in figure 5. For the
front hoie use a 3/8" x 1" hex bolt, a 3/8“ lock washer,
a 1/2" flat washer and a 3/8" hex lock nut. Use the flat
washer as a shim between the frame and the side
plate. For the rear hole use a 3/8" x 1" hex bolt, and a
3/8" lock washer. Repeat for the L.H. side.
NOTE: Depending on the tractor model, the bolt
may insert freely into the front hole or it may screw
into the hole. If the hole is not threaded, the bolt
will form threads as it is screwed in.
TRACTORS WITH AXLE MOUNTED FRONT
SUSPENSION BRACKETS
•
• Remove the bolt from the hole on each side of the
tractor frame as shown in figure 4.
• Assemble a shoulder bolt, a 3/8" lock washer and a
3/8" hex lock nut to the bottom hole in each side
plate. See figure 6.
INSTALLING HANGER BRACKETS
For better clearance, lower the tractor's suspension
arms using the attachment lift lever.
On Tractors With Foot Rest Brackets (Figure 7)
• Remove the bolt and nut that fasten the L.H. and
R.H. foot rest brackets to the frame. See figure 7.
• Attach the L.H. Hanger Bracket (marked "L") to the
inside of the tractor frame using two 3/8" x 1"
carriage bolts, 3/8" lock washers and 3/8" hex lock
nuts. The bolt heads go on the inside of the tractor
frame. Repeat for the R.H. side. See figure 7.
INSTALLING SHOULDER BOLTS
All Tractors
• Remove the bolt, washer and nut which fasten the
sway bar bracket to the L.H. side of the tractor
frame. Replace with a shoulder bolt and a 3/8" hex
lock nut as shown in figure 9.
On Tractors Without Foot Rest Brackets (Figure 8)
• Find the empty hole beneath the foot rest. Attach
the L.H. Hanger Bracket (marked "L") to the inside
of the frame using a 3/8“ x 1 " carriage bolt (head to
inside), a 3/8" lock washer and a 3/8" hex lock nut.
See figure 8. Repeat for the R.H. side.
• Assemble a shoulder bolt and 3/8" hex lock nut to
the R.H. side of the tractor frame, using the first
empty hole to the rear of the R.H. hanger bracket.
See figure 10.
• Replace the engine pulley keeper on your tractor
with the new pulley keeper supplied with the snow
blower. Attach the keeper to the frame using the
original bolt, washer and nut. See figure 10.
NOTE: Some tractors may already be equipped
with an identical pulley keeper.
INSTALLING CLUTCH/IDLER ASSEMBLY
This section covers the installation of the Clutch/ldler
assembly to tractors with attachment clutches that are
either rod operated (p, 9), cable operated (p. 10) or
electric (p. 12). Use the appropriate instructions for
your tractor.
ROD OPERATED ATTACHMENT CLUTCHES
• Move the attachment clutch lever on the dash
pane! to the disengaged (down) position.
• Screw the trunnion onto the end of the snow
thrower engagement rod as shown in figure 11.
• Locate the clutch arm which is found underneath
the right hand side the tractor, just to the inside of
the suspension arm. This is the arm that the mower
clutch rod was connected to. The arm moves
forward and backward as the attachment clutch
lever on the dash panel is moved.
Attach the snow thrower's clutch/idler assembly to
the tractor frame by sliding the notched arms at the
rear of the assembly onto the two shoulder bolts
assembled to the inside of the tractor frame. Lift
the front of the assembly, fitting the sides into the
R.H. and L.H, hanger brackets. Attach the assem
bly to the brackets using two pivot lock pins and
1/8“ hairpin cotters. See figure 12.
• Position the engagement rod to the inside of the
ciutch arm and insert the drilled end of the rod
through the arm. Secure with a 5/64" hairpin cotter.
See figure 11.
Make sure the attachment clutch lever on the dash
panel is in the disengaged (down) position.
Pivot the upper idler arm so that it rests against the
stop bolt and is pointing toward the front as shown
in figure 13, Screw the trunnion along the threads
of the engagement rod until it is aligned at the front
end of the idler arm slot. Attach the trunnion to the
slot using the 3/8" flat washer and a 5/64" hairpin
cotter. See figure 13.
Be sure that the loose end of the engagement rod
is lifted up toward the front of the tractor (as shown
in figure 12) when performing the next operation.
You can temporarily support the rod using a rubber
band tied to the engine pulley keeper.
Loading...