Craftsman 486.24837 User manual

Operator's IVlanuai
CRRFr. MgN°
42"- 2STAGE SNOW THROWER
TRACTOR ATTACHMENT
IVlodei No. 486.24837
DO NOT RETURN TO STORE
For Missing Parts or Assembly
Questions Call 1-866-576-8388
FOR TRACTORS WITH MODEL NUMBERS BEGiNNiNG WITH 247.
CAUTION:
Before using this product, read
this manual and follow all Safety
Rules and Operating Instructions.
,, Safety
,, Assembly
,, Operation
,, Maintenance
,, Parts
Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.
www.sears.com/craftsman
PRINTED IN U.S.A. FORM NO. 41569 rev. (08/02/10)

ACCESSORIES ............................................................... 2
SAFETY RULES .............................................................. 3
FULL SIZE HARDWARE CHART .................................... 4
CARTON CONTENTS ..................................................... 6
ASSEMBLY ...................................................................... 7
OPERATION .................................................................. 16
MAINTENANCE ............................................................ 17
SERVICE AND ADJUSTMENTS ................................... 18
STORAGE ..................................................................... 19
TROUBLESHOOTING ................................................... 20
REPAIR PARTS ILLUSTRATION ...................... 22, 24, 26
REPAIR PARTS LIST ......................................... 23, 25, 26
SLOPE GUIDE .............................................................. 27
PARTS ORDERING/SERVICE ................... BACK COVER
ONE YEAR FULL WARRANTY
When operated and maintained according to the instructions supplied with it, if this Snowthrower fails due to a defect in
material or workmanship within one year from the date of _urchase, call 1-800-4-MY-HOME@ to arrange for free repair (or
replacement if repair proves impossible).
If this product is used for commercial or rental purposes, this warranty applies for only 90 days from the date of purchase.
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
Sears, Roebuck and Co., D817WA, Hoffman Estates, IL 60179
These and other accessories are recommended for use with your unit. Call 1-800-4-MY-HOME® to find out ifthey are available.
If available, they may be purchased at most Craftsman outlets or by calling 1-800-4-MY-HOME®.
WHEEL WEIGHT TiRE CHAINS SNOW CAB
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:
486.24837

Anypowerequipmentcancauseinjuryifoperatedimproperlyoriftheuserdoesnotunderstandhowtooperatetheequipment.
Exercisecautionatalltimes,whenusingpowerequipment.
• Readthisowner'smanualcarefullyandknowhowto
operateyoursnowthrowerandhowtostoptheunit
anddisengagethecontrolsquickly.
Neverallowchildrentooperatetheequipment.
Neverallowadultstooperatetheequipmentwithout
properinstruction.
Keeptheareaofoperationclearofallpersons,
especiallysmallchildren,andpets.
Thoroughlyinspecttheareawheretheequipmentis
tobeusedandremovealldoormats,sleds,boards,
wiresandotherforeignobjects.
Disengageallclutchesandshiftintoneutralbefore
startingengine.
Donotoperateequipmentwithoutwearingadequate
winteroutergarments.
Wearsubstantialfootwearwhichwillprotectfeetand
improvefootingonslipperysurfaces.
Checkfuelbeforestartingtheengine.Donotremove
thefuelcaporfillthefueltankwhiletheengine
isrunningorhot.Donotfillthefueltankindoors.
Gasolineisanextremelyflammablefuel.
Makesurethesnowthrowerheightisadjustedto
clearthetypesurfaceitwillbeusedon.
Donotusethesnowthrowerwithoutwheelweights
attachedtothetractor.
Nevermakeanyadjustmentswhiletheengineis
running.
Alwayswearsafetyglassesoreyeshieldduring
operationorwhileperformingadjustmentorrepair.
Donotplacehandsorfeetnearrotatingparts.Keep
clearofthedischargeopeningatalltimes.
Useextremecautionwhenoperatingonorcrossing
gravelsurfaces.
Donotcarrypassengers.
Afterstrikingaforeignobject,stoptheengine,remove
thewirefromthesparkplugandthenthoroughly
inspectthesnowthrowerfordamage.Repairany
damagebeforerestartingandoperatingthesnow
thrower.
Ifthesnowthrowerstartstovibrateabnormally,stop
theengineimmediatelyandcheckforthecause.
Vibrationisgenerallyawarningoftrouble.
Stoptheenginewheneveryouleavetheoperating
position,beforeuncloggingthesnowthroweror
makinganyadjustmentsorinspections.
Takeallpossibleprecautionswhenleavingtheunit
unattended.Disengagetheattachmentclutchleveror
switch,lowerthesnowthrower,shiftintoneutral,set
theparkingbrake,stoptheengineandremovethe
key'.
Whencleaning,repairingorinspecting,makecertain
allmovingpartshavestopped.Disconnectthespark
plugwireandkeepitawayfromtheplugtoprevent
accidentalstarting.
Donotrunengineindoorsexceptwhentransporting
thesnowthrowerinoroutofthebuilding.Openthe
outsidedoors.Exhaustfumesaredangerous.
Donotclearsnowacrossthefaceofslopes.Exercise
extremecautionwhenchangingdirectiononslopes.
Donotattempttoclearsteepslopes.Refertothe
slopeguideonpage27ofthismanual.
Neveroperatethesnowthrowerwithoutguards,
platesorothersafetyprotectiondevicesinplace.
Neveroperatethesnowthrowernearglass
enclosures,automobiles,windowwells,dropoffs
etc.withoutproperadjustmentofthesnowthrower
dischargeangle.
Neverdirectdischargeatbystandersorallowanyone
infrontofthesnowthrower.
Neverrunthesnowthrowerintomaterialathigh
speeds.
Donotoverloadthemachinecapacitybyattempting
toclearsnowattoofastarate.
Neveroperatethemachineathightransportspeed
onslipperysurfaces.Lookbehindandusecarewhen
backingup.
Watchfortrafficandstayalertwhencrossingor
operatingnearroadways.
Disengagepowertothesnowthrowerwhen
transportingorwhennotinuse.
Useonlyattachmentsandaccessoriesapprovedby
themanufacturerofthesnowthrower(suchaswheel
weights,counterweights,cabsetc.)
Neveroperatethesnowthrowerwithoutgoodvisibility
orlight.
Lookforthissymboltopointoutimportantsafetyprecautions.Itmeans--Attention!!Become
alert!!Your safety is involved.

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IMPORTANT: Not all items supplied in the hardware bag will be needed for your particular tractor. Unneeded items may
be discarded after you have completed assembly and checked operation of unit. DO NOT DISCARD the two spare shear
bolts (K) and 5/16" nylock nuts (HH). Refer to the Service and Adjustments section on page 18.
REF. QTY. DESCRIPTION REF. QTY. DESCRIPTION
A 2 Hex Bolt, 1/2" x 1-1/2" AA 2 Bowed Washer
B 2 Hex Bolt, 1/2" x 1-1/4" BB 7 Lock Washer, 3/8"
C 1 Hex Bolt, 3/8" x 3-1/4" CC 2 Spacer, 1/2"
D 2 Hex Bolt, 5/16" x 1-3/4" DD 4 Nylock Nut, 1/2"
E 2 Hex Bolt, 5/16" x 1-1/4" EE 4 Jam Nut, 1/2"
F 4 Hex Bolt, 5/16"x 1" FF 6 Nylock Nut, 3/8"
G 8 Hex Bolt, 5/16" x 3/4" GG 2 Hex Lock Nut, 3/8"
H 6 Hex Bolt, 1/4" x 1" HH 21 Nylock Nut, 5/16" (2 spare parts)
I 4 Shoulder Bolt, Hex Head II 10 Flanged Nut, 3/8"
J 2 Shoulder Bolt, Round Head JJ 1 Flanged Nut, 5/16"
K 2 Shear Bolt (spare parts) KK 6 Flanged Nut, 1/4"
L 6 Carriage Bolt, 3/8" x 1" LL 1 Spring
M 2 Carriage Bolt, 5/16"x 1-3/4" MM 3 Chute Keeper
N 2 Carriage Bolt, 5/16" x 1-1/4" NN 1 Trunnion
O 4 Carriage Bolt, 5/16"x 1" OO 4 Hairpin Cotter, 5/64"
P 2 Carriage Bolt, 5/16" x 3/4" PP 4 Hairpin Cotter, 1/8"
Q 6 Hex Bolt, 3/8" x 1" (Thread Forming) QQ 1 Hairpin Cotter, 3/32"
R 2 Hex Bolt, 3/8" x 3/4" (Thread Forming) RR 2 Lock Pin
S 2 Hex Bolt, 5/16" x 3/4" (Thread Forming) SS 2 Quick Release Pin
T 4 Washer, 1/2" x 1" TT 1 Plastic Cap
U 7 Washer, 1/4" UU 1 Spacer, 1/4"
V 22 Washer, 5/16" (Extra washers included) VV 2 Chain, Tensioning
W 1 Washer, 3/8" (Thin) WW 2 Tail Reflector
X 3 Washer, 3/8" Standard XX 2 Nylon Tie
Y 2 Lock Washer, 5/16"
Z 8 Washer, 1/2" x 1-1/2"

1. HousingAssembly
2. LiftHandleandCable
3. ChuteCrankRodAssembly
4. SupportTube,CrankRod
5. V-Belt,Drive52"(#41353)
6. V-Belt,Drive55"(#46989)
7. ChuteandControlCableAssembly
8. ClutchIdlerAssembly
9. Anti-rotationBracket
10. V-Belt,Auger(AttachedtoHousingAssembly)
11. FrameBrace
12. HangerBracketAssemblyR.H.
13. HangerBracketAssemblyL.H.
14. RearFrameBracketL.H.
15. RearFrameBracketR.H.
16. FrontFrameBracketL.H.
17. FrontFrameBracketR.H.
18. SupportLink(2)
19. SupportTube(2)
20. SidePlateL.H.
21. SidePlateR.H.
ONLY iTEMS NEEDED FOR MODEL 247. TRACTORS ARE SHOWN
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41352

LOCATE TRACTOR'S MODEL LABEL
Look under your tractor seat to locate the model number
label shown below. This manual is for tractors with model
numbers that start with 247 as shown below.
CAUTION: Before starting to assemble the
snow thrower, remove the spark plug wire(s),
set the parking brake and remove the key
from the tractor ignition.
247 MODEL TRACTORS
CRI;IFT Mg#
CONFORMS TO ANSi B71,1=2003 SAFETY STANDARDS
III|1 111111|1|
IIIII|llll.,.,.. ......,.,, |llllllll|li
SERIAL 000000A000000
FOR PARTS AND SERVICE CAll 1-800-4MY-14OME
SEARS, ROEBUCK AND CO, Hoffman Estates, IL 60179
_.. 193653 j
IMPORTANT: If your model number starts with 917, use
the owner's manual and the parts that are contained in
the other parts bag.
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 reassembly.
Remove the tractor hood. Refer to your tractor owner's
manual for removal instructions.
TOOLS REQUIRED FOR ASSEMBLY
(2) 7/16" Wrenches
(2) 1/2" Wrenches
(2) 9/16" Wrenches
(2) 3/4" Wrenches
(1) Knife
ADDITIONAL ITEMS REQUIRED
General Purpose Grease
IMPORTANT: Right hand (R.H.) and left hand (L.H.) side
of the tractor are determined from the operators position
while seated on the tractor.
REMOVAL OF PARTS FROM CARTON
Remove all loose parts, parts bags and hardware
bags from the carton. Lay out and identify parts and
hardware using the illustrations on pages 4, 5 and 6.
The parts bag labeled for 917 model tractors will not
be needed.
IMPORTANT: Not all items supplied in the hardware
bag will be needed for your particular tractor. Unneeded
items may be discarded after you have completed
assembly and checked operation of unit. DO NOT
DISCARD the two spare shear bolts (K) and 5/16" nylock
nuts (HH). Refer to the Service and Adjustments section
on page 18.

STEP1: (SEEFIGURE1)
•Assemble a shoulder bolt and a 3/8" nylock nut to the
holes shown on each side of the tractor frame.
SHOULDER
BOLT
FIGURE 1
3/8" NYLOCK NUT
STEP 3: (SEE FIGURE 3)
•Attach the frame brace between the front mount
plates using two 1/2"x 1-1/4" hex bolts, 1/2" x 1-1/2"
washers and 1/2" nylock nuts.
1/2" x1-1/4"
HEX BOLT
/
1/2" x1-112"
WASHER
1/2" NYLOCK NUT
I
I
I
I
cJ
FIGURE 3
STEP 2: (SEE FIGURE 2)
•Place a front mount plate onto each shoulder bolt and
install two quick release pins as shown.
_j QUICK RELEASE PIN
FRONT MOUNT PLATE
SHOULDER
BOLT
FIGURE 2
STEP 4: (SEE FIGURE 4)
•Measure from the center of the three holes indicated
in figure 4 to select the hole that is approximately 10"
above the ground in both front mount plates.
•Install a shoulder bolt and 3/8" nylock nut in the
selected hole in each front mount plate.
/
SHOULDER BOLT /
318"NYLOCK NUT
Use hole that measures
10" above ground
FIGURE 4

STEP5: (SEE FIGURE 5)
•Remove the thread forming bolt from the hole in the
footrest bracket on the left side of the tractor frame.
•Attach the L.H. hanger bracket to the empty hole
using a 5/16" x 1" hex bolt, a 5/16" lock washer, and
a 5/16" fiat washer. Place the fiat washer between the
hanger bracket and the footrest bracket.
•Repeat on the right side of the tractor frame using the
the R.H. hanger bracket.
,.:5-:... J L.H. HANGER
'BRACKET
5/16" FLAT
WASHER
5/16" LOCK
WASHER 5/16" x 1"
HEX BOLT
STEP 7 (SEE FIGURE 7)
*insert tensioning chains through the holes shown and
attach to the springs on the upper and lower idler arms.
*Attach a 3/32" hairpin cotter to the chain attached to
the upper idler arm, placing it in the third link from the
spring.
TENSIONING CHAIN (upper idler arm)
THIRD LINK 3/32"
HAIRPIN
TENSIONING CHAIN (lower idler arm)
FIGURE 7
FIGURE 5
STEP 6:
e
e
(SEE FIGURE 6)
Turn the clutch idler assembly upside down.
Attach the spring from the parts bag to the bottom of
the upper idler arm. Hook the spring onto the bolt that
extends through the nut on the bottom of the upper
idler arm and then install a 3/8" hex lock nut onto the
bolt. Leave enough space for the spring to pivot.
STEP 8: (SEE FIGURE 8)
• Refer back to step 4. if you used the top hole
indicated in step 4, use hole A in this step. if you used
one of the two lower holes, use hole B in this step.
Attach the R.H. and L.H. rear frame brackets on the
inside to either hole A or B using one 5/16" x 3/4"
hex bolt and 5/16" nylock nut for each bracket. Do not
tighten yet.
•Assemble the R.H. and L.H. front frame brackets
on the outside using two 5/16" x 3/4" hex bolts and
5/16" nylock nuts for each bracket.
3/8" HEX
LOCK NUT
SPRING
©
ATTACH
SPRING
HERE
FIGURE 6
5/16" x 3/4"
HEX BOLT
5/16" x 3/4"
HEX BOLT
HOLE (B) HOLE (A)
FIGURE 8
5/16"
NYLOCK
NUT

STEP 9: (SEE FIGURE 9)
•Assemble the two support tubes to the inside of each
front frame bracket using a 1/2" x 1-1/2" hex bolt, a
1/2" spacer and a 1/2" nylock nut for each bracket. Do
not tighten yet.
1/2" NYLOCK NUT SUPPORTTUBE
/1/2" SPACER /
_'-. J 1/2" x 1-1/2"
HEX BOLT
STEP 11 (SEE FIGURE 11)
, Assemble two 1/2" jam nuts all the way onto the
threads of each support link.
1/2
FIGURE 11
FIGURE 9
STEP 10: (SEE FIGURE 10)
*Three drive belts are supplied with the snow thrower.
Select one of the two shorter belts. If you used hole A
in step 8, use the 52" drive belt (#41353) belt. If you
used hole B, use the 55" drive belt (#46989).
Slightly loosen the hex bolt next to the flat idler pulley.
Install the drive belt between the hex bolt and the flat
idler pulley with the flat side of the belt against the
pulley. Retighten the hex bolt.
* Loop the belt around the large v-pulley, placing it
between the pulley and the hex bolt next to the pulley.
52" or 55" DRIVE BELT
(#41353) or (#46989)
LOOSEN BOLT
STEP 12: (SEE FIGURE 12)
* Attach the front frame brackets to the two hanger
brackets on the tractor frame using two pivot lock pins
and 1/8" hairpin cotters.
* Attach the rear frame brackets to the bottom of the
tractor frame using two small 5/64" hairpin cotters.
PIVOT LARGE
LOCK HAIRPIN
PIN COTTER
HAIRPIN
COTTER
5/64"
HOLE B
HOLE
FIGURE 10 FIGURE 12
10