Craftsman 502.251220 Owner'S Manual Download | Manualshive

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Summary of Contents for 502.251220

Page 1: ...ore Operating This Equipment 10 3 5 _ _i_i r_ _ iii _ ii_ii_iiiii _ Po OWE SPE EAR ENGI ELECTRBC START ULCHE E IDE Assembly Operation o Custemer Responsibilities o Service And Adjustment F 95637 Sears Roebuck and Co Hoffman Estates IL 60179 U S A Pdnted in U S A ...

Page 2: ...HE MOWER HOUSING 27 13 HOW TO INSTALL THE MOWER HOUSING 27 13 HOW 1 O LEVEL THE MOWER HOUSING 28 13 HOW TO REPLACE THE MOTION DRIVE BELT 29 14 HOW TO REPLACE THE MOWER DRIVE BELT 30 14 HOW 3 0 REPLACE THE FUSE 31 15 HOW TO SET THE CUTTING HEIGHT 31 15 HOW TO CLEAN THE MOWER HOUSING 31 15 FRONT WHEEL ALIGNMENT 31 16 STORAGE OVER 30 DAYS 32 17 TROUBLE SHOOTING CHART 33 17 SLOPE GUIDE 34 17 INDEX 35 ...

Page 3: ...plicable local or state laws if any If a spark attester is used it must be maintained in effective working order by the operator In the State of California the above is required by law Section 4442 of the California Public Resources Code Other states may have similar taws Federal laws apply on federal lands See an Authorized Service Center for a spark arrester for the muffler MAINTENANCE AGREEMENT...

Page 4: ...nd shift into Neutral before attempting to start the engine 17 Always wear safety glasses or an eye shield when you operate the unit to protect your eyes from foreign objects that can be thrown from the unit Always wear eye protection when you make an adjustment or repair to the machine t8 Use care when pulling loads or using heavy equipment a Use oniy approved drawbar hitch points b Limit Ioads t...

Page 5: ... equipment blade from an authorized service dealer For safety replace the blade every two years Keep the equipment in good condition 4 Never tamper with the safety devices Check their proper operation regularly 5 To reduce fire hazards keep the machine free of grass leaves or other debris build up Clean up oi or fuel spills Allow the machine to cool before storing 6 Stop and inspect the equipment ...

Page 6: ...moisture and nutrients to reach grass roots 36 inch swath 24 hardened 25 inch steel coring tips 150 1b weight tray LAWN SWEEPERS let you collect grass clippings and leaves LAWN VACS for powerful collection of heavy grass cfippings and leaves Wand attachment to pick up debris in hard to reach places AERATOR promotes deep root growth for a healthy lawn Tapered 2 5 inch steel spikes mounted on 10 inc...

Page 7: ...ch brake pedal to release the brake Move the lift lever to the highest position CAUTION Check the bottom of the carton for staples Remove any staples that are in the path of the tires 9 From the back of the riding mower carelully pullthe riding mow_ er backwards off the wood frame TOOLS YOU NEED TO ASSEMBLE THE UNIT 1 Adjustable wrench 2 required 2 Open end wrench 1 2 9 16 3 Open end wrench 7 16 1...

Page 8: ...tilt the battery more than 45 degrees If the battery tilts more than 45 degrees battery acid can leak from the battery Battery Terminals Battery Clamp Battery T ay Washer _ Nut Figure 2 HOW TO INSTALL THE BATTERY 1 Set the battery in the battery tray Make sure the battery terminals are toward the center of the frame Figure 2 Make sure there are not any wires under the battery or the battery tray 2...

Page 9: ...he air pressure in the tires Tires with too much air pressure will cause the unit to ride rough AJso the wrong air pressure will keep the mower housing from cutting level The correct air pressure PSI is as follows Semi pneumatic front tires do not require air Front Tires Rear Tires 22 PSI 1 5 kg cm2 14 PSI kg cm2 CHECK THE DRIVE BRAKE The drive brake can be easily checked as follows I Set the park...

Page 10: ...at needs to be adjusted slide the seat bracket forward or backward along the seat adjusting holes as shown To keep the seat straight tighten the rear nut and then tighten the two front nuts 6 Fasten the connector to the wire harness Make sure the tab on the connector locks into the wire harness WARNING For correct and safe operation of the unit _ fasten the connector to the wire harness If the con...

Page 11: ...Sears Retail or Catalog Stores LOCATION OF CONTROLS ATTACHMENT CLUTCH Usethe attachment clutch to PARKING BRAKE LEVER Use the parking brake lever start and stop the rotation of the blade to engage the brake when you leave the unit CLUTCH BRAKE PEDAL The pedal has two functions The first function is a clutch The second function is a brake IGNITION SWITCH Usethe ignition switch to start and stop the...

Page 12: ... a road move the attachment clutch to the DISENGAGE position _ WARNING Always keep your hands and feet away from the blade deflector opening and the mower housing when the engine runs Attachment Clutch _ Engage Position Disengage Position HOW TO USE THE SHIFT LEVER To change the forward speed or the direction of the unit follow the steps below CAUTION Before you move the shift lever completely pus...

Page 13: ... housing and back to raise the mower housing 2 When you ride on a sidewalk or road move the lift lever to the highest position and move the attachment clutch to the DISEN GAGE position Parking Brake Lever Lift Lever Figure 11 HOW TO STOP THE UNIT I Completely push the clutch brake pedal forward to stop the unit Keep your foot on the pedal 2 Move the attachment clutch to the DISENGAGE position 3 Mo...

Page 14: ...peed setting Make sure the level of cut is still correct After you mow a short distance look at the area that was cut If the mower housing does not cut eve see the instructions on How To Level The Mower Housing in the Service And Adjustment section_ _ ARNING For better control of the unit always select a safe speed HOW TO OPERATE THE UNIT ON HILLS _ WARNING Do not ride up or down slopes that areto...

Page 15: ...O START THE ENGINE WARNING The electrical system has an operator presence system that includes a sensor switch mounted in the seat These components tell the elec trical system if the operator is sitting on the seat This system will stop the engine when the operator leaves the seat if the attachment clutch is engaged For your protection always make sure this system operates correctly NOTE The engin...

Page 16: ...cher Plate _ Figure 13 Lift the mulcher plate away from the mower housing Figure 14 _ Deflector Mulcher Plate Figure 14 4 Attach wingnuts B and carriage bolts A to the mulcher plate for future use IMPORTANT There are several different types of grass Some types of grass are more difficult to cut If you remove the mulcher plate and the grass does not discharge correctly replace the blade with a stan...

Page 17: ...ty cut mow with the shift lever in one of the slower speeds 3 After each use clean the bottom and top of the mower housing for better performance Also a clean mower housing will help prevent a fire 5 Do not cut or bag grass that is wet Wet grass will not discharge correctly Let the grass dry before cutting 6 Use the left side of the mower housing to trim near an object 7 Discharge the cut grass on...

Page 18: ...cate the unit and clean the air filter once a year 3_ Checkthe fastener Make sure all fasteners are tight 4 Follow the Customer Responsibility and the Service And Ad justment section to keep the unit in good operating condition WARNING Before you make an inspection adjust _ ment or repair to the unit disconnect the wire to the spark plug Remove the wire from the spark plug to prevent the engine fr...

Page 19: ...rectly and can cause an accident 8 Fasten the blade with the original washers and nut Make sure the outside rim of the Belleville washer is against the blade Figure 17 _I ARNING Always keep the nut tight that holds the blade A loose nut or blade can cause an accident 10 Housing Blade Adapter _ S Washer Belier tie Washer _ j Nut Outside rim must be _ against the blade t Tighten the nut that holds t...

Page 20: ...he blade brake Rotate the pulley with your hand Make sure that the blade brake pad presses tightly against the pulley Move the attachment clutch to the ENGAGE position Check the pad for the blade brake If the pad is excessively worn or damaged r eplace the brake pad assemMy Correct replacement parts and assistance are available from an authorized service center 10 11 12 Attachment Clutch Engage Po...

Page 21: ... the adjustable nut is in line with the hole inthe brake arm t2 Connect the adjustable nut to the brake arm with the washer and cotter pin 13 Apply the parking brake Try to push the unit If the rear wheels do not turn the brake is correctly adjusted Release the parking brake Push the unit to see if the wheets wili freely roll WARNING If you cannot correctly adjust the drive brake take the un t to ...

Page 22: ...ry 4 Remove the battery from the unit illl Positive Terminal Date Code Terminal Covel Batter Bolt Black Cable Washer Wingnut Battery Clamp Figure 22 HOW TO CHARGE THE BATTERY _ WARNING When you charge the battery do not smoke Keep the battery away from any sparks The fumes from the battery acid can cause an explosion_ 1 For longer life of the battery charge the battery every three months 2 Before ...

Page 23: ...brush to the areas shown NOTE Apply grease to the steering gear assembly CAUTION if the unit is operated in dry areas that have sand use a dry graphite spray to lubricate the unit Do not lubricate the nylon bearings for the front wheels Oil or grease wil damage the bearings Shift Lever I Figure 23 F 95637 23 ...

Page 24: ...iscosity oils 5W30 10W30 etc improve starting in cold weather these multi viscosity oils will result in increased oil consumption when used above 320 E Check the engine oil revel more frequently to avoid possible engine damage from running low on oil 3 4 Clean the area around the dipstick Remove the dipstick S ow y pour approximately 32 ounces 1 quart of oit into 1he oil extension tube Insert the ...

Page 25: ...ilter 7 tf equipped wash the foam filter in a detergent and water solu tion To remove the water solution tightly roll the foam filter in a dry cloth Remove the foam filter from the cloth Completely dry the foam filter CAUTION Do not wash the filters in gasoline or other solvents that will burn 8 Evenly apply SAE 30W oil to the dry foam filter 9 To clean the paper filter lightly tap the paper filte...

Page 26: ... rough rich mixture Note the position of the slot in the main jet screw Set the main jet screw between the two positions in steps 9 and 10 13 14 To check the adjustment operate the engine tf the engine stops when the blade s are engaged the carburetor mixture is set too lean Turn the main jet screw counterclockwise 1 16 turn If tile engine runs rough when the blade s are engaged the carbui etor mi...

Page 27: ...e right Push the mower housing under the left side of the unit 2 Slide the mower drive belt between the stack pulley and the belt guide Put the mower drive belt around the stack pulley Make sure the side of the mower drive belt is against the stack pulley Also make sure the mower drive belt is not twisted 3 Attach the mower housing to the front hanger with the long pin Fasten with the washer and h...

Page 28: ...t points C and D must be within 1 4 6 ram of the same height If the difference in the measurement is more than t 4 6 mm adjust as follows SIDE VIEW LEVEL SURFACE C D B Figure 3t Figure 32 2 The higher number holes in the adjuster plates wilt raise the height of the mower housing The lower number holes wilt lower the mower housing 3 Connect the adjuster plates to the hangers in the holes that will ...

Page 29: ...motion drive belt between the stack pulley and ti_e belt guide Install the motion drive belt on the top pulley of the stack pulley Make sure the V side of the belt is against the puiley Figure 34 2 Slide the motion drive belt between the belt retainer and idler pulley Make sure ti_eflat side of the motion drive belt is against the idler pulley Also make sure the belt is not twisted Install the mot...

Page 30: ...the mandrel pulley Slide the beit between the belt guides and the mandrel pulley 2 Make sure the V side of the mower drive belt is against the mandrel pulley Figure 36 Pu l tile belt retainer away from the idler pulley Put the mower drive belt around the idler pulley Make sure the mower drive belt is inside all the belt guides Also make sure the mower drive belt is not twisted Slide the mower driv...

Page 31: ...eys or belt do not touch the bottom of the frame Hair Pin LiflerRod Figure 39 HOW TO CLEAN THE MOWER HOUSING _ WARNtNG Before you clean the mower housing stop the engine and disconnect the wire to the spark plug Grass and other debris on top of the mower housing can keep the belt from working correctly For safety and correct operation frequently clean the top of the mower housing Remove grass and ...

Page 32: ...fuel in the fuel tank or the carburetor The fuel can damage the function of the fuet system Some models have a fuet drain Figure 40 Hold a cloth under the fuel drain Push the fuel drain until the carburetor is empty See the Where To Lubricate instructions in the Customer Responsibilities section 4 After storage make sure you use fresh fuel THE ENGINE 1 Ctean the dirt and grass from the engine 2 Ch...

Page 33: ...r sharpen 1he binders 4 Move the shift lever to a slower speed 5 Move the throttle control to the FAST position 6 Replace the spring for the blade id er PROBLEM The mower housing does not cut level t Check the air pressure in the tires 2 Adjust the level of the mower housing 3 Check the front axle ifthe front axle does not freely pivot loos en the axle bott s PROBLEM The mower blades will not rota...

Page 34: ...ddo not mow a slope that is greater than 15 degrees If the riding mower is used with a pull behind attachment do not operate the unit on a slope that is greater than 10 degrees A 15 degree slope is a hill that increases in height at approximately 2 5 feet in 10 feet A 10 degree slope is a hill that increases in height at approximately 1 7 feet in 10 feet Use extreme care at all times and avoid sud...

Page 35: ... Lubrication Engine 24 Mower 23 M Maintenance Chart 18 Motion Drive Belt Adjust 21 Replace 29 Mower Drive Belt Adjust 20 Replace 30 Mower Housing Clean 3I Cutting Height 13 31 Install 27 Level Adjustment 28 Operation 4 Remove 27 Muffler 24 Spark Arrester 24 Mulcher Install t6 Operation t 7 Remove 16 0 Oil Change 24 Cl_eck 5 24 Type t5 Operation Attachment Clutch tt t2 Clutch Brake Pedal tl Emergen...

Page 36: ... ordered from any Sears Service Center Department and most Sears Stores WHEN ORDERING REPAIR PARTS ALWAYS HAVE THE FOLLOWING INFORMATION AS SHOWN IN THIS LIST e PRODUCT REAR ENGINE RIDER e MODEL NUMBER 502 251220 e ENGINE MODELNO 143 436012 e PART NUMBER e PART DESCRIPTION Your Sears merchandise has added value when you consider Sears has service units nationwide staffed with Sears trained technic...

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