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Craftsman 917.388621 Owner's Manual
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Craftsman 917.388621 Owner's Manual

Craftsman 917.388621 Owner's Manual

6.75 horsepower 21" rear discharge rotary lawn mower
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Owner's Manual
ICRAFTSMAN'I
6.75 HORSEPOWER
21" REAR DISCHARGE
ROTARY LAWN MOWER
Model No.
917.388621
•
Safety
•
Assembly
•
Operation
•
Maintenance
•
Espa_ol
•
Repair Parts
CAUTION:
Read and follow all
Safety Rules and Instructions
before operatingthis equipment
Sears,
Roebuck and Co., Hoffman
Estates,
IL 60179
visit our Craftsman website: www.sears.corn/craftsman

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Summary of Contents for Craftsman 917.388621

  • Page 1 Model No. 917.388621 • Safety • Assembly • Operation • Maintenance • Espa_ol • Repair Parts CAUTION: Read and follow all Safety Rules and Instructions before operatingthis equipment Sears, Roebuck and Co., Hoffman Estates, IL 60179 visit our Craftsman website: www.sears.corn/craftsman...

  • Page 2: Table Of Contents

    Parts Ordering ......Back Cover LIMITED TWO YEAR WARRANTY ON CRAFTSMAN POWER MOWER For two years from date of purchase, when this Craftsman Lawn Mower is maintained, lubricated, end tuned up according to the operating and maintenance instructionsin the owners manual, Sears will repair free of charge any defect in material or work- manship.

  • Page 3: Operation

    • Be alert and turn machine off if children • Stop the blade(s) when crossing gravel enter the area. ddves, walks, or roads. • Before and while walking backwards, • Stop the engine (motor) whenever you leek behind and down for small leave the equipment, before de_ming children.

  • Page 4: Maintenance

    £WARNING: Battery posts, terminals and ALook for this symbol to point out related accessories contain lead and important safety precautions. It means CAUTION!I! BECOME ALERTlll YOUR lead compounds, chemicals known to the SAFETY IS INVOLVED. State of California to cause cancer and birth defects or other reproductive harm.
  • Page 5 Read these instructionsand this manual 3. Remove handle padding holding in its entirety before you attempt to operator presence control bar to assemble or operate your now lawn upper handle. mower. Your lawn mower handle can be adjusted IMPORTANT: This lawn mower is for your mowing comfort.
  • Page 6 KNOWYOUR LAWN MOWER READ THIS OWNER'S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR LAWN MOWER. Compare the illustrationswith your lawn mower to familiarize yourself with the location of various controls and adjustments. Save this manual for future reference. These symbols may appear on your lawn mower or In literature supplied with the product.
  • Page 7 The operation ofanylawn TO CONVERT MOWER mower canresult inforeign Yourlawn rn_werwas shippedreadyto be objects thrown i ntothe usedas a mulcber.Toconvert to hagging : eyes, which c anresult in REAR BAGGING severe eye damage. • Liftrein door of the lawn mower and placa Always wear safety glasses or eye the grasscatcharframe hooksonto_e shields while operating your lawn mower...
  • Page 8 BEFORE STARTING ENGINE CAUTION: Fill to bottom of gas tank ADD OIL filler neck. Do not overfill. Wipe off any spilled oil or fuel. Do not store, spill or Your lawnmower is shipped without oil in use gasoline near an open flame. the engine.
  • Page 9 MOWlNGTIPS MULCHING MOWING TIPS • Under certain conditions, such asvery IMPORTANT: For best performance, tallgrass, itmay benecessary toraise keep mower housing flee of built-up theheight ofcuttoreduce p ushing grass and trash. See "CLEANING" in the effort a nd tokeep Maintenance section of this manual. from ovedoading the •...
  • Page 10 eEOOL V,O0 Check lor Loose Fasteners Clean/Inspect Grass Catcher IfEquipped) Clean Lawn MoWer (Power*Propelled Mowers ! Clean Under DriVe Cover Check ddve belt/ ulleys _ower'ProP etl_PMowers) Check/Sharpen/Replace Blade Lubdcation Ch_rt Clean BaitePj/RechaLme Electdc Stad Mowers'_ it/4 Check Engine Oil Level Chan_e EnQine Oil I_t_ Clean Air Filter...

  • Page 11: Product Specifications

    PRODUCT SPECIFICATIONS SERIAL NUMBER: DATE OF PURCHASE: GASOLINE CAPACITY/TYPE: 1.5 QUARTS UNLEADED REGULAR OILTYPE (API-SF-SJ): SAE 30 (ABOVE 32°F) SAE 5W-30 (BELOW 32°F) OIL CAPACITY: 20 OZS. SPARK PLUG (GAP: .045") CHAMPION RESISTOR TYPE RJtgLM4 BLADE BOLT TORQUE: 35-40 FT. LBS. The model and sedal numbers will be found on a decal attached to the rear of the lawn mower housing.
  • Page 12 TO SHARPEN BLADE Change the oil after every 25 hours o NOTE: We do not recommend sharpen- operation or at least once a year if the lawn mower is not used for 25 hours i ing blade - but if you do, be sure the blade is balanced.
  • Page 13 MUFFLER AIR FILTER Inspect and replace corroded muffler as it Your engine will not run properly and may could create a fire hazard and/or dam- be damaged by using a dirty air filter. Replace the air filter every year or after age.

  • Page 14: Service And Adjustments

    TO ASSEMBLE GRASS CATCHER ACAUTION: Before performing any service or adjustments: 1. Put grass catcher frame intograss bag 1, Release control bar and stop engine. with dgid part of bag on the bottom. 2. Make sure the blade and all moving Make sure the fTame handle is outside parts have completely stopped.

  • Page 15: Storage

    Immediately prepare your l awn mower for storage atthe end of the season or if the unit will not be used for 30 days or more. Squeeze LAWN MOWER When lawn mower is to be stored for a period of time, clean it thomaghly, remove handle all dirt, grease, leaves, etc.

  • Page 16: Troubleshooting

    CYLINDER • If possible, store your unit indoorsand cover it to give protection from dust and 1. Remove spark plug, dirt. 2. Pour one ounce (29 ml) of oil through • Cover your unit with a suitable protec- spark plug hole into cylinder. tive cover that does not retain moisture.
  • Page 17 TROUBLESHOOTING CHART PROBLEM CAUSE CORRECTION Starter rope hard 1. Engine flywheel brake is on I. Depress control bar to topull when control bar is release( upper handle before pulling starter rope. 2. Bent engine crankshaft. 2. Contact a Sears or other qualified service center.
  • Page 18 CRAFTSMAN ROTARY LAWN MOWER-- MODEL NUMBER 917.388621...
  • Page 19 CRAFTSMAN ROTARY LAWN MOWER- - MODEL NUMBER 917.388621 PART PART DESCRIPTION DESCRIPTION 131696 ControlBar 88652 HingeScmw 165766 Sprk_g (LH) 166860X479 Upper Hendle 165767 SpringJRH) 161105X479 Lower H_dle 165912 Door Bolt 132001 RopeGuide 150406 Hex Head Thraad Rolling Screw/3/8-16 x 1...
  • Page 20 CRAFTSMAN 4-CYCLE ENGINE MODELNUMBER143.016702 370C 110_...
  • Page 21 CRAFTSMAN 4-CYCLE ENGINE MODELNUMBER 143.016702 PART PART DESCRIPTION DESCRIPTION 37465 37598 Cylinder (Ind. 2 & 20) Res. Spark Plug (RJ19LM4) 31672 26727 Dowet Pin Valve Spring 33734 Breather Element 31673 Valve Spring Cop 36557 151A 40017 Intake Valve Seal Breather Ass'y. (thcL 6 & 12A)
  • Page 22 CRAFTSMAN 4-CYCLE ENGINE MODEL NUMBER 143.016702 PART DESCRIPTION 640271 Carburetor (IncL 184 of Engine Parts Ust) 1" 31615 Throttle Shaft & Lever Assembly 31767 Throttle Retum Spring 631184 • Dust Seal Washer 631183 * Dust Seal (Threttle) 640070 ThrOttle Sbut_r...
  • Page 23 CRAFTSMAN 4-CYCLE ENGINE MODEL NUMBER 143.016702 "_11 PART DESCRIPTION 590702 Recoil Starter 1" 5g05ggA Spdng Pin (IncL 4) 590600 Washer 590696 Retainer 590601 Washer 590697 Brake S=prdog 590698 Starter Dog 590699 Dog,Spring 590700 Pulley & Rewind Swing Ass'y 590703 Starter Housing Assembly...
  • Page 24 Forrepairof majorbrand appliances In your own home... no matterwho madeit, no matterwho sold 1-800-4-MY-HOME _ ,_#rne,day or r_.t (1-8_) (U.S.A. and Canada) Forrepairofcarryqn products likevacuums, lavmequipment, a nd electronics, callforthe nearestSears Parts and Repair Center. 1-800-488-1222 Ar,_'ne, day orr_gH (US.A. o nly) _.se_r_corrl Forthe replacement p arts,accessories and owner'smanuals that you needto do-it-yourself, callSears PartsDirect_!