Craftsman 486.24838 User Manual

Operator's Manual

42"- 2 STAGE SNOW THROWER

TRACTOR ATTACHMENT

Model No. 486.24838

STOP

DO NOT RETURN TO STORE For Missing Parts or Assembiy

Questions Call 1-866-576-8388

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/crafisman

PRINTED IN U.S.A. FORM NO. 49812(2/06}

TABLE OF CONTENTS

ACCESSORIES.............................................................2

SAFETY RULES............................................................3

FULL SIZE HARDWARE CHART

CARTON CONTENTS...................................................6

ASSEMBLY....................................................................7

OPERATION................................................................27

MAINTENANCE...........................................................28

.................................

SERVICE AND ADJUSTMENTS

STORAGE....................................................................30

TROUBLESHOOTING

REPAIR PARTS ILLUSTRATION......................34,36,38

REPAIR PARTS LIST

SLOPE GUIDE.............................................................39

PARTS ORDERING/SERVICE

.................................................

........................................

.................................

35,37,38

..................

BACK COVER

29 30

WARRANTY

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 purchase, call 1-800-4-MY-HOME® to arrange for free repair (or replacement if repair proves impossible).

It 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., DS17WA, Hoffman Estates, iL 60179

ACCESSORIES AND ATTACHMENTS

These and other accessories are recommended foruse with your unit. Cat! 1-800-4-MY-HOME®tofind out ifthey are available.

If available, they may be purchased at most Craftsman outlets or by calling 1-800-4-MY-HOME®.

The model number and serial numbers wiii be found on a decai 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: 486.24838 SERIAL NUMBER: DATE OF PURCHASE:

Any power equipment can cause injury ifoperated improperly or if the userdoes not understand how to operate the equipment.

Exercise caution at aii times, when using power equipment.

SAFETY

Read this owner’s manuai 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 all 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 ail clutches and shift into neutral before starting engine. Do not operate equipment without wearing adequate 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. Gasoiine 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 whiie the engine is

running. Aiways wear safety glasses or eye shield during operation or while performing adjustment or repair. Do not place hands or feet near rotating parts. Keep clear of the discharge opening at all times. Use extreme caution when operating on or crossing gravei 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 generaliy a warning of trouble.

Stop the engine whenever you ieave the operating position, before unclogging the snow thrower or making any adjustments or inspections. Take ail possible precautions when leaving the unit unattended. Disengage the attachment clutch iever 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 aii 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 transporting 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 siopes. Do not attempt to clear steep siopes. Refer to the slope guide on page 39 of this manuai. Never operate the snow thrower without guards, plates or other safety protection devices in place. Never operate the snow thrower near glass enclosures, 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 materia! at high speeds. Do not overload the machine capacity by attempting to dear snow at too fast a rate. Never operate the machine at high transport speed on slippery surfaces. Look behind and use care when backing up. Watch for traffic and stay alert when crossing or operating near roadways. Disengage power to the snow thrower when transporting 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 means — Attention!! Become alert!I Your safety Is Involved.

HARDWARE PACKAGE CONTENTS

SHOWN ACTUAL SIZE

B .... C

77.-:-

C--

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.....L.........

f "t

... K ...L

J L

.......

....

......i

f 7

.. ..

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f "T

... N

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.DD

REF. QTY. DESCRIPTION REF. QTY. DESCRIPTION

A 1 B 1 Hex Bolt, 3/8” X 3-1/4" C 2 D 2 Hex Bolt, 5/16" X 1-3/4"

E 4

F 6 G 6 Hex Bolt, 3/8" X 1" {Thread Forming) DD 2 H 2 Hex Bolt, 3/8" X 3/4" (Thread Forming) EE 1

1 2 Hex Bolt, 5/16" X 3/4" {Thread Forming)

J 2 K 6

L 2 M 2 N 8 O 2

P 4 Q 2 R 2

S T

U V 8 Washer, 1/2"

w 1 Washer, 3/S” (Thin)

Hex Bolt, 1/2" X 1-1/4"

Hex Bolt, 3/8" X 1”

Hex Bolt, 5/16" X 3/4" Hex Bolt, 1/4" X 1"

Siotied Truss Head Bolt, 3/S" x 1“ Carriage Bolt, 3/S” x 1“ Carriage Bolt, 5/16" x 1-3/4" Carriage Bolt, 5/16" x 1-1/4" Carriage Bolt, 5/16" x 1" Carriage Bolt, 5/16" x 3/4" Shoulder Bolt Shoulder Bolt Shear Bolt (spare parts)

7 Lock Washer, 3/8" pp 1 Chain, Tensioning 7 Washer, 1/4" QQ 2 Tali Reflector

6 Washer, 5/16"

X 3 Washer, 3/8" Y 2 Bowed Washer

Z AA 1 BB 12

CC 21

FF 1 Tarp Strap GG 1 Spring HH 3

II 1 Trunnion

JJ 2 Hairpin Cotter, 5/64"

KK 3 Hairpin Cotter, 1/8"

LL 1 Hairpin Cotter, 3/32"

MM 2 Lock Pin

NN 1

00 2

RR 1 Smali Spacer SS TT

Flanged Nut, 1/4" Flanged Nut, 5/16" Flanged Nut, 3/8” Nyiock Nut, 5/16" (2 spare parts) Hex Lock Nut, 3/8" Nyiock Nut, 1/2"

Chute Keeper

Plastic Cap Nyion Tie

Large Spacer

Pulley

CARTON CONTENTS

Cross Brace (Weight Tray)

Side Braces (2) (Weight Tray)

Left Hand Side Plate

Right Hand Side Plate

Anti-rotation Bracket

Engagement Rod (Not used on some modeis)

Suspension Arms (2)

Engine Pultey Keeper (Not used on some modeis)

Chute Crank Rod Assembly

10.

Support Tube, Crank Rod

11.

Lift Handle and Cabie

12.

Cabie Bracket

13.

Plastic Keg

14.

L.H. Hanger Bracket (Outside Mounting)

15.

R.H. Hanger Bracket (Outside Mounting)

16. Clutch Idler Assembly

17.

V-Beit, Drive (Short) #46989

V-Beit, Drive (Long) #48138

19. V-Beit, Auger (Attached to Housing Assembly)

20.

Chute and Control Cable Assembly

21. Housing Assembly

22. Weight Tray

23.

L.H. Hanger Bracket (inside Mounting)

24.

R.H. Hanger Bracket (Inside Mounting) Hardware Package (Stored inside Plastic Keg)

ASSEMBLY

TOOLS REQUIRED FOR ASSEMBLY

(2) 7/16" Wrenches (2) 1/2” Wrenches

(2) 9/16" Wrenches (2) 3/4” Wrenches (1) Screw Driver (1) Knife

ADDITIONAL ITEMS REQUIRED

Genera! 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 iilustrations on pages 4 and 6.

NOTE: Not ail of the supplied parts and hardware wiil 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 (R) and 5/16" nyiock nuts (CC). Refer to the Service and Adjustments section on page 29.

IDENTIFY YOU TRACTOR

STEP 1: (SEE FIGURE 1)

• Look under the front of your tractor. If there is a single mower deck suspension bracket located underneath the middle of the front axle, continue on to step 2. If your tractor does not have a mower deck suspension bracket underneath the middle of the front axle, skip to step 21 on page 13 for tractors with dual suspension brackets.

CAUTION: Before starting to assemble the

snow thrower, remove the spark plug wire(s), set the parking brake and remove the key

ák

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 reassembly.

» Remove the tractor hood. Refer to your tractor owner’s

manual for removal instructions.

INSTRUCTIONS FOR TRACTORS WITH SINGLE FRONT DECK SUSPENSION BRACKET

STEP 2: (SEE FIGURE 2)

• Remove the browning shield from the front of the tractor as shown. Hold onto the shield as you remove the second screw to prevent it from falling.

• Be sure to reinstall the browning shield when so instructed in step 3,

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.

INSTALL SIDE PLATES

STEP 3: (SEE FIGURE 3)

* Fasten the R.H. Side Plate {bend facing out) to the

front three holes in the tractor frame using three 3/8“ X 1” carriage bolts (K), three 1/2“ washers (V) (see note) and three 3/8" flange nuts (BB). For the

rear hole, use a 5/16“ x 1“ carriage bolt (N), a 1/2" washer (V) and a 5/16“ nyiock nut (CC). Place the 1/2" washers {V) between the tractor frame and the side plate. Repeat for L.H. side piate.

* Reinstall the browning shield onto the tractor frame

using the original screws.

NOTE: if there is an engine mounting plate (shown with dotted lines) leave the 1/2 washer off the bolt that goes through the piate.

INSTALL HANGER BRACKETS AND SHOULDER BOLTS TO OUTSIDE OF FRAME

STEP 5: (SEE FIGURE 5)

• Remove the boit, if present, in the hole directly behind the brake rod on the left side of the tractor frame.

• Attach the L.H. Hanger Bracket (tube facing out) to the hole using a 5/16" x 3/4“ self threading boit (I).

• install a round head shoulder bolt (Q) into the hole that is 9-1/2" to the rear of the boit you just installed. Secure It with a 3/8“ flange nut (BB) on the inside of the frame.

STEP 4: (SEE FIGURE 4)

* Assemble a shoulder bolt (P) and a 3/8" washer (X)

to the outside of R.H. side plate, securing it with a 3/8“ flanged nut (BB). Repeat for L.H. side plate.

STEP 6: (SEE FIGURE 6)

• Remove the bracket, it present, from the hole directly behind the end of the brake rod on the right side of the tractor frame. Store the bracket and bolt.

• Attach the R.H. Hanger Bracket to the hole using a 5/16" X 3/4" self threading bolt (I).

• install a round head shoulder bolt (Q) into the hole that is 9-1/2" to the rear of the bolt you just installed. Secure it with a 3/8" flange nut (BB) on the inside of the frame.

THIS SECTION IS FOR TRACTORS WITH A

MANUAL ATTACHMENT CLUTCH

If your tractor has an electric attachment clutch go to step 14 on page 11.

STEP 7: (SEE FIGURE 7)

* Attach the pulley (tong end of hub facing down) and

the large spacer (SS) to the hole shown in the clutch/ idler assembly. Use a 3/8" x 3-1/4" hex bolt (B), a 3/8" washer (X), a 3/8“ lock washer (S) and a 3/8" hex lock nut (DD).

STEP 9: (SEE FIGURE 9)

• Attach the cable bracket to the slot shown in the ciutch/ldier assembly using a 5/16“ x 3/4" carriage bolt (O) and a 5/16" nylock nut (CC). Place the bolt in the front hole of the bracket and in the end of the slot closest to the pulley Do not tighten yet.

STEP 8: (SEE FIGURE 8)

» Attach the two suspension arms to the rear of the

ctutch/idler assembly using two 5/16” x 3/4" hex bofts (E) and 5/16“ nylock nuts (CC) for each arm. Place the arms on the outside of the frame with the notches to the rear.

STEP 10: (SEE FIGURE 10)

• Two different length drive belts are included with your snow thrower. Tractors with manual attachment clutches and single front deck suspension brackets use the 56" drive belt with #48138 printed on the outside of the belt. DO NOT USE the other belt.

• Slightly loosen the hex bolt next to the flat idler pulley. Install the drive belt down 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-puiley, placing it between the v-pulley and the hex bolt next to the pulley. Place the belt to the inside of the other flat idler pulley

Did you select the correct drive belt for your tractor? Using the wrong length beit may cause premature bearing or beit failure.

STEP 11: (SEE FIGURE 11)

* Move the attachment ciutch lever on the dash pane! to

the disengaged (down) position.

* Place the ciutch/idier assembly on the floor on the left

side of the tractor.

* Attach the tractor’s clutch cable to the cable bracket.

Secure the cable housing guide {groove down) to the cable bracket using the originai coiiar and a 5/64” hair cotter pin (JJ).

* Place a spacer (RR) on the wetded pin on the Idler

arm. Hook the end of the ciutch cable spring over the pin and secure it with a 1/4” washer (T) and a 5/64" hair cotter pin (JJ).

* Align cable bracket with welded pin and tighten the

nut assembled in step 9.

STEP 13: (SEE FIGURE 13)

• Assemble the drive belt onto the engine puliey first and then onto the large pulley on top of the ciutch/ idler assembly. The belt must be placed inside the engine pulley belt keeper(s) and between the large pulley and the keeper bolt next to It.

ATTACH CLUTCH IDLER ASSEMBLYTOTRACTOR

STEP 12: (SEE FIGURE 12)

» Attach the ciutch/idier assembly to the tractor frame.

Hook the notched suspension arms onto the two shoulder bolts (Q) assembled to the outside of the tractor frame. Lift the front of the assembly and attach it to the R.H. and L.H. hanger brackets using two pivot lock pins (MM) and 1/8“ hairpin cotters (KK).

IMPORTANT: Do Not assemble the "V“ belt outside of

the engine pulley keepers or outside of the keeper bolt

next to the large puiiey.

• Go to step 48 on page 21.

THIS SECTION IS FOR TRACTORS WITH AN

ELECTRIC ATTACHMENT CLUTCH

STEP 14: (SEE FIGURE 14)

* Attach the two suspension arms to the rear of the

cfutch/idler assembly using two 5/16“ x 3/4" hex bolts (E) and 5/16“ nylock nuts (CC) for each arm. Place the arms on the outside of the frame with the notches to the rear.

STEP 16: (SEE FIGURE 16)

• Hook one end of the spring supplied in the parts bag through the end link of the tensioning chain.

• With the clutch/idler assembly turned upside down, hook the other end of the spring onto the end of the bolt and nut which secure the idler pulley to the upper idler arm. Assemble a 3/8" hex lock nut (DD) onto the bolt and nut, leaving enough gap between the nuts for the spring to pivot freely.

• Attach a 3/32" hairpin cotter (LL) to the chain, placing it in the fifth link from the spring.

STEP 15: (SEE FIGURE 15)

» Turn the clutch/idler assembly upside down and place

the extra tensioning chain (PP) through the left front hole.

SELECT THE CORRECT DRIVE BELT (Electric clutch tractors with a single front deck

suspension bracket)

STEP 17: (SEE TABLE 1)

• Two different length drive belts are included with

your snow thrower. Use the table below to select the correct drive belt for your type tractor. The part number is printed on the outside of the belt.

• Set aside the belt that is not for your tractor to avoid

accidentally using it.

55" BELT (PART #46989)

TRACTOR TYPE DECK SIZE 1 CLUTCH TYPE

(LT) Lawn Tractor 38", 42" 1 Electric

56" BELT (PART #48138)

TRACTOR TYPE DECK SIZE CLUTCH TYPE

(LT) Lawn Tractor

(GT) Garden Tractor 48", 54" S Electric

48" 1 Electric

TABLE 1

STEP 18: (SEE RGURE 17) * Turn the clutch/idier assembly right side up. * Slightly loosen the hex bolt next to the flat idler pulley.

Install the drive belt down 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 targe v-puiiey placing it

between the v-pulley and the hex bolt next to the pulley.

STEP 20: (SEE RGURE 19)

• Assemble the drive belt onto the engine pulley first and then onto the targe pulley on top of the clutch/ idler assembly. Place the belt to the inside of the idler pulley and the belt keeper bolt located beside the large pulley.

• Place tension on the belt by pulling the left side tensioning chain (PP) out as far as the 3/32“ hairpin cotter in the chain will allow. Secure the chain in this position by inserting a 1/8" hairpin cotter (KK) through the chain.

IMPORTANT: Do Not assemble the drive belt around the

outside of the keeper bolt beside the large pulley.

• Go to step 48 on page 21.

Did you choose the correct drive belt for your tractor? Using the wrong length belt may cause premature bearing or belt taiiure.

STEP 19: (SEE RGURE 18}

* Attach the ciutch/idier assembly to the tractor frame.

+ 28 hidden pages