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Owner's Manual
36" TOW-BEHIND
UNIVERSAL TILLER
Model No. 486.252444
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.
www.sears.com/craftsman
PRINTED IN U.S.A.
®
STOP
DO NOT RETURN TO STORE
For Missing Parts or Assembly
Questions Call 1-866-576-8388
• Safety
• Assembly
• Operation
• Maintenance
• Parts
FORM NO. 49940 (04/24/08)
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Table of Contents
Related Manuals for Craftsman 486.252444
Summary of Contents for Craftsman 486.252444
- Page 1 36" TOW-BEHIND UNIVERSAL TILLER DO NOT RETURN TO STORE For Missing Parts or Assembly Questions Call 1-866-576-8388 Model No. 486.252444 CAUTION: • Safety Before using this product, read • Assembly this manual and follow all Safety • Operation Rules and Operating Instructions. • Maintenance • Parts Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A. www.sears.com/craftsman PRINTED IN U.S.A. FORM NO. 49940 (04/24/08)
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Page 2: Table Of Contents
SAFETY RULES .............. 3 TROUBLESHOOTING ........... 13 ASSEMBLY ..............4 REPAIR PARTS ............. 14 OPERATION ..............6 PARTS ORDERING/SERVICE ......Rear Cover MAINTENANCE .............. 9 LIMITED WARRANTY ON CRAFTSMAN POWERED TRACTOR ATTACHMENTS For one (1) year from the date of purchase, if this Craftsman Equipment is maintained, lubricated and tuned up according to the instructions in the owner's manual, Sears will repair or replace free of charge any parts found to be defective in material or workmanship. Warranty service is available free of charge by returning your Craftsman equipment to your nearest Sears Service Center. In-home warranty service is available but a trip charge will apply. This Warranty applies only while this product is in the United States. This Warranty does not cover: • Expendable items which become worn during normal use, such as spark plugs, air cleaners, belts, and oil filters. -
Page 3: Safety Rules
SAFETY WARNING: This cutting machine is capable of amputating hands and feet and throwing objects. Failure to observe the following safety instructions could result in serious injury or death. • Stop engine and disconnect spark plug lead wire IMPORTANT before cleaning augers, removing obstacles, or making adjustments, except for those which must Warnings, Cautions, and Notes are a means of attracting be done with the engine running. attention to important or critical information in this • Never place hands or feet under or into rotating manual. parts or concealed areas. Keep hands and feet clearly away from auger elements, belts, pulleys, Look for this symbol to point out important etc. while engine is running. safety precautions. It means-Attention! • Wear substantial shoes and eye protection while Become Alert! Your safety is involved. using tiller. • Never attempt to make a maintenance adjustment while engine is running, except on the carburetor. TRAINING • Do not run the engine indoors; carbon monoxide fumes are dangerous to inhale. • Read opening and Service instructions carefully. Be • Never operate machine without proper guards, thoroughly familiar with the controls and the proper plates, or other safety protective devices in place. use of the equipment. • Disengage the Tine Clutch Lever, stop tiller and •... -
Page 4: Assembly
ASSEMBLY TO REMOVE UNIT FROM TO INSTALL THE TILLER CARTON GAUGE WHEELS • Cut from top to bottom all four corners of the carton • Assemble Gauge Wheels onto the Rear Axle with the and lay panels flat. (See Fig. 1) extended end of Hub facing inward. Secure with the • Remove the lag screw that holds the floating hitch to Flat Washers and Cotter Pins which you removed from the packing skid. the axle during unpacking. (See fig. 2.) • Disassemble and discard carton's wood top and side supports. • Remove four hex bolt, hex nuts and flat washer from the hold down brackets at the rear of the carton. • Remove and save the two Flat Washers and Cotter Pins from the rear axle. Reuse when attaching gauge wheels. • Discard all other packing hardware and hold down brackets. FIG. 2 TO INSTALL THE TILLER TINE ASSEMBLIES • Attach the floating hitch to the tractor's draw bar. - Page 5 TO INSTALL (WHEEL) WEIGHTS TO TILLER NOTE: Weights are not furnished with the Tiller. 30 lb. tractor wheel weights may be purchased to mount to the Tiller if extra weight is required. (Refer to the Operation section of this manual.) • Remove two Carriage Bolts and Nuts from each Tine Shield, located approximately 3-1/2" from the front edge. See fig. 4. • Place (Wheel) Weights on Tine Shield and secure with long Bolts and Nuts furnished with the Weights. See fig. 4. FIG. 4...
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Page 6: Operation
OPERATION FIG. 5 SAFETY SWITCH - prevents engine from starting while RECOIL START HANDLE - used to start the engine tine clutch lever is engaged THROTTLE CONTROL - controls engine speed LIFT HANDLE - selects tilling or transport position by FUEL SHUT OFF - shuts of fuel to engine moving gage wheels TINE CLUTCH LEVER - starts and stops tine rotation CHOKE CONTROL - used when starting a cold engine FLOATING HITCH - telescoping hitch limits shock loads DEPTH STAKE - controls tilling/cultivating depth to tractor... - Page 7 The operation of any tiller can result in foreign objects thrown into the eyes, which can result in severe eye damage. Always wear safety glasses or eye shields before starting your tiller and while tilling. We recommend a wide vision safety mask for over the spectacles or standard safety glasses.
- Page 8 TRANSPORTING YOUR TILLER TRANSPORTING YOUR TILLER AROUND THE YARD AROUND THE YARD • Pull forward on lift handle until it locks in the up, • Pull forward on lift handle until it locks in the up, transport position. transport position. AROUND TOWN AROUND TOWN • Disconnect spark plug wire. • Disconnect spark plug wire. • Drain fuel tank. • Drain fuel tank. • Transport in upright position to prevent oil leakage. • Transport in upright position to prevent oil leakage.
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Page 9: Maintenance
MAINTENANCE Refer to the engine manual for instructions on engine maintenance. MAINTENANCE SCHEDULE Fill in dates as you complete regular service. Service Dates Check Engine Oil Level Change Engine Oil Service air cleaner precleaner Service air cleaner cartridge X** Replace spark plug Clean cooling system X** Check valve clearance Check for loose fasteners Lubricate Tiller Lubricate Tiller Transmission * C hange oil every 25 hours when operating the engine under heavy load or in high temperatures. * * Clean more often under dusty conditions or when airborne debris is present. Replace air cleaner parts, if very dirty. -
Page 10: Tiller Lubrication
TILLER LUBRICATION Check transmission oil level after first 5 hours of operation. Remove Oil Fill Plug (Fig. 10). Oil Level must be even with the Plug Hole (with Tiller level.) If necessary, add Oil. Use SAE30 Non-Detergent Motor Oil. Replace Oil Fill Plug. Check transmission oil level after each 10 hours of operation. NOTE: It is not necessary to change the Oil in the Tiller Transmission. If for any reason it must be changed, Oil capacity is 22 oz. ENGINE MAINTENANCE WARNING: Always stop engine and disconnect spark plug wire before cleaning, lubricating or before performing any repairs or maintenance. Check oil level before each use and every 8 hours. • • Maintain engine oil as instructed in the separate engine manual. Service air cleaner every 25 hours under normal • conditions. Clean every few hours under extremely dusty conditions. Poor engine performance and flooding usually indicates that the air cleaner should be serviced. To service the air cleaner, refer to the separate engine manual. • Spark plug replacement is recommended every 100 hours or yearly. Check the engine manual for correct plug type and gap specifications. -
Page 11: Service And Adjustment
SERVICE AND ADJUSTMENTS WARNING: Shut off (disengage) the Tine Clutch Lever, the Tiller Engine and the Tractor Engine before making any repairs. TO REPLACE V-BELT Replace V-belt if it has been damaged considerably from slipping under heavy loads or if it show cracks or frayed edges. Refer to figures 11 and 12. IMPORTANT: Do not move or remove the belt guide. If the position of the belt guide is accidentally altered, return it to the correct setting (6-1/2" above the tine shield support plate). • Remove the screw from the top of the belt guard. • Remove the hex nut from the rear of the guard. • Remove the belt guard to allow access to drive belt. • Disengage tine clutch lever and remove belt. FIG. 12 • Reverse above procedures for installation of new belt. FIG. 11... -
Page 12: Storage
SPARE TINE DRIVE BOLTS WARNING: Shut off (disengage) the Tine Clutch Lever, the Tiller Engine and the Tractor Engine before making any repairs. • The Tiller drive components are protected from damage by (shearable) Grade 5 hex bolts in the Tine Assemblies. The hex bolts drive the tines and TINE CARE hold them in the proper location. Should the Tine Assemblies strike or pick up a large hidden object or become jammed, the hex bolts will break and the drive components will not be damaged. • For best results--Tine Blades should be kept reasonably sharp. The Tine Blade can be sharpened • Two extra tine hex bolts and nuts are included with on a grinding wheel. Do not attempt to sharpen Tines the tiller. They are located in the Tiller Stake Support while they are mounted to Tiller. Bracket on the rear of the Tiller. • The tine hex bolts are designed to be loose fit. Do not attempt to use a bolt or pin that is larger or harder than the original Grade 5 hex bolts. STORAGE Immediately prepare your tiller for storage at the end of • Lubricate as instructed in the Customer the season or if the unit will not be used for 30 days or Responsibilities section of this manual. more. • Be sure that all nuts, bolts and screws are securely fastened. Inspect moving parts for damage, breakage and wear. Replace if necessary. -
Page 13: Troubleshooting
TROUBLESHOOTING Follow the instructions in the "Service & Storage" section of the Engine Manual when performing any work on the Engine. -
Page 14: Repair Parts
PARTS REPAIR PARTS FOR MODEL 486.25244 36" TOW-BEHIND UNIVERSAL TILLER... - Page 15 REPAIR PARTS FOR MODEL 486.252444 36" TOW-BEHIND UNIVERSAL TILLER REF. PART NO. QTY. DESCRIPTION REF. PART NO. QTY. DESCRIPTION 40993 Engine (49 State) HA20094 Tine & Hub Assembly - RH 40997 Engine (California) HA20088 Tine & Hub Assembly - LH 48346 Guide - Belt 43054 Bolt, 3/8-16 x 2" 43085 Bolt, 5/16-18 x 1-1/2" Hex Head 47600 Bolt, Hex 5/16-24 x 1" HA115321 Screw, 5/16-18 x 5/16" HA5236 Pin, Hitch HA11154 Key, Square 1/4" x 2"...
- Page 16 REPAIR PARTS FOR MODEL 486.252444 36" TOW-BEHIND UNIVERSAL TILLER REF. PART NO. QTY. DESCRIPTION HA20344 Dust Cap 43064 Locknut, 5/16-18 * HA20123 Flange & Bearing Assy HA20122 Gasket, Flange 43013 Locknut, 1/4-20 Hex * HA20120 Drive Housing & Bearing Assy - LH HA20136 Gasket, Drive Housing HA20127 Tine Shaft Assy HA20121 Drive Housing & Bearing Assy - RH 43866 Bolt, Hex 1/4-20 x 5/8" Grade 8 HA20125 Washer, Felt HA20124 Seal, Rubber HA20130 Plug, Transmission Oil HA20129 Washer, Thrust HA20132...
- Page 17 NOTES...
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- Page 19 NOTES...
- Page 20 Get it fixed, at your home or ours! Your Home For repair – in your home – of all major brand appliances, lawn and garden equipment, or heating and cooling systems, no matter who made it, no matter who sold it! For the replacement parts, accessories and owner’s manuals that you need to do-it-yourself.