Page 1: ...WN MOWER Model No 917 378070 Safety Assembly Operation Maintenance EspaRol Repair Parts CAUTION Read and follow all Safety Rulesand Instructions before operating this equipment Sears Roebuck and Co Hoffman Estates IL 60179 VisitourCraftsmanwebeite www sears com craftsrnan ...
Page 2: ...ficlegal rights and you may alsohave other rightswhich varyfrom stateto state Sears Roebuckand Co D 817 WA HoffmanEstates Illinois60179 IMPORTANT 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 I GENERAL OPERATION Road understand and follow all instructions on the machine ...
Page 3: ...l remain where you last saw them Keep children out of the trimming area and under the watchful care of another responsible adult Be alert and turn machine off if children enter the area Before and while walking backwards look behind and down for small children Never allow children to operate the machine Use extra care when approaching blind comers shrubs trees or other objects that may obscure vis...
Page 4: ...ntainlead and lead compounds chemicalsknownto the State of Californiato cause cancerand bidhdefectsorother reproductive harm Wash hands after handling Theseaccessories wereavailable whenthislawnmowerwasproduced Theyare not shippedwi_ yourmower Theyarealsoavailal_e atmostSearsretail outlets andservice centers M_t Seatsstores can a soorderrepair partsfor you whenyouprovide the model nurrt_r ofyourla...
Page 5: ... mower 2 Cut down two end comers of carton and lay end panel down flat 3 Remove all packing matedals except padding between upper and lower handle and padding holding operator presence control bar to upper handle 4 Roll lawn mower out of carton and check carton thorougly for additional loose pads HOWTO SET UPYOUR LAWN MOWER TO UNFOLD HANDLE IMPORTANT Unfold handle carefully so as not to pinch or d...
Page 6: ... cover IMPORTANT This lawnmoweris shipped _ Wheeladjuster withoutoil or gasoline in the engine oneve_jwheel MEETS CPSC SAFETY REQUIREMENTS Sears rotarywalk behindpower lawnmowersconform to the safetystandardsof the Amedc_n NationalStandardsInstituteand the U S ConsumerProductSafetyCommis sion The bladeturns whenthe engineis running Operator presence control bar must be held down to the handle to s...
Page 7: ...r which requires the operator to be positioned behind the lawn mower handle to start and operate the lawn mower TO ADJUST CUTFING HEIGHT Raise wheels for low cut and lower wheels for high cut adjust cutting height to suit your requirements Medium position is best for most lawns To change cutting height squeeze adjuster lever toward wheel Move wheel up or down to suit your require ments Be sure all...
Page 8: ...e filling fuel tank remove and discard the debris plug that is inside the tank Fill fuel tank Use fresh clean regular unleaded gasoline with a minimum of 87 octane Do not mix oil with gaso line Purchase fuel in quantities that can be used within 30 days to assure fuel freshness _WARNING Experience indicates that alcohol blended fuels called gasohol or using ethanol or methanol can attract moisture...
Page 9: ...of built up grass and trash See Cleaning in MAINTENANCE section of this manual The special mulching blade will recur the grass clippings many times and reduce them in size so that as they fall onto the lawn they will disperse into the grass and not be noticed Also the mulched grass will biodegrade quickly to provide nutrients for the lawn Always mulch with your highest engine blade speed as this w...
Page 10: ...alue from the warranty operator must maintain mower as instructed in this manual Some adjustments will need to be made pedodically to properly maintain your unit All adjustments in the Service and Adjustments section of this manual should be checked at least once each season Once a year replace the spark plug clean or replace air filter element and check blade for wear A new spark plug and clean n...
Page 11: ...re bolt lock washer and hardened washer NOTE Remove the blade adapter and check the key inside hub of blade adapter The key must be in good condi tion to work properly Replace adapter if damaged 11 TO REPLACE BLADE 1 Positionthe blade adapteron the enginecrankshaft Be surekey in adapter andcrankshaft keywayare aligned 2 Positionblade on the blade adapter aligningthe two 2 holesin the blade withthe...
Page 12: ...bdcant needs attention is if service has been performed on the gear case 12 If lubdcant is required use only Texaco Starplex Premium 1 Grease Part No 750369 Do not substitute ENGINE LUBRICATION Use only high quality detergent oil rated with API service classification SF SJ Select the oil s SAE viscosity grade according to your expected operating temperature NOTE Althoughmulti viscosity oils 5W30 1...
Page 13: ...ug each year to make your engine start easier and run better Set spark plug gap at 030 inch CLEANING IMPORTANT For best performance keep mower housing free of built up grass and trash Clean the underside of your mower after each use _CAUTION Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with the spark plug Clean the underside of your lawn mower by scrapi...
Page 14: ...ndle are off center for raising or lowering the handle I Remove upper handle and all parts attached to lower handle 2 Remove hairpin cotters from lower handle bracket mounting pin 3 Squeeze lower handle in to remove it from mounting pins 4 Turn lower handle over to raise or lower handle 5 Squeeze lower handle in and position holes onto mounting pins on handle bracket 6 Reassemble upper handle and ...
Page 15: ...age Also experience indicates that alcohol blended fuels called gasohol or using ethanol or methanol can attract moisture which leads to separation and formation of acids during storage Acidic gas can damage the fuel system of an engine while in storage I Drain the fuel tank 2 Start the engine and let it run untilthe fuel lines and carburetor are empty Never use engine or carburetor cleaner produc...
Page 16: ... grass leaves and trash under mower 1 Worn bent or loose blade 2 Bent enginecrankshaft 1 Engineflywheel brake is on when controlbar is released 2 Bent engine crankshaft 3 Blade adapter broken 4 Blade dragging in grass CORRECTION 1 Clean replace air filter 2 Fillfuel tank 3 Draintank and refillwith fresh cleanfuel 4 Drainfuel tank and carburetorand refilltank withfresh gasoline 5 Connectwireto plug...
Page 17: ...too low 1 Raise cutting height iotfilling ifso 2 Lift on blade worn off 2 Replace blade luipped 3 Catcher not venting air 3 Clean grass catcher _ard to push 1 Raise cutting height 1 Grass is too high or wheel height is too low 2 Rear of lawn mower housing or blade dragging in grass 3 Grass catcher too full 4 Handle height position not right for you 2 Raise rear of lawnmower housingone 1 setting hi...
Page 18: ...6 48373 Gear Case Halves Kit In ludes Key Nos 4 and 7 7 77881 Bearin 8 137 _61 Won_ _heft 9 137074 Drive Shaft 10 57079 Hardened Washer 11 131484 Clutch Yoke KEY PART NO NO DESCRIPTION 12 700343 Bushing 13 86447 Rug 14 137 350 Helical Gear 15 750436 Clutch Jaw 16 750369 Grease 17 1200000_ E Ring 18 850848 Ht Pro Key 19 81585X004 Spdng Bracket NOTE Allcomponentdimensions g_veninU S inches 1 Inch 25...
Page 19: ...ROTARY LAWN MOWER MODEL NO 917 378070 10 18 I 39 40 42 b41 38 25 72 73 ...
Page 20: ...racket Spacer SelectorSpdng _Knob AxleArmAssembly Bellevitle Washer ShoulderBoft Wheet Tire Assembly WaveWasher LoCknut 3 18 16 DangerDecal ThreadCuftingScxew5 16 18 x 3 4 KEY PART NO NO DESCRIPTION 49 STD541425 He Locknut 51 134612 Debris Shield 52 150406 Hex Head Thread Rotling Screw 3 8 16 x 1 1 8 53 851084 Hex Head S_rew 3 8 24 x 1 3 8 Grd 8 54 _ Hetical Lockwasher 56 851074 Hardened Was_er 56...
Page 21: ...ROTARY LAWN MOWER MODEL NO 917 378070 21 24 22 23 ...
Page 22: ...lt Washer 19 67725 Washer 1 2x1 1 2 x 134 21 88080 Dust Cover 22 137 To4 Pinion KEY PART NO NO DESCRIP11ON 23 12O0OO58 E Ring 24 150340 Wheel _re Assernbly 26 145212 Hex Range Locknut 28 150182 Hut_ap 30 14360_ Pan HeadTapping Screw 10 24 x 2 3 4 32 137068 DdveCover 36 132010 Locknut 37 137062 Ddve Pulley 39 751_ Spnng 41 1370_0 Spring 42 7_511 Gear Case Assembly 43 152018 Wheel Adjuster Assembly ...
Page 23: ...BRIGGS STRATTON MODEL NO 12HEU2 4 CYCLE ENgiNE TYPE NO 2640 B1 287 I I 525 i 524 _p lit REQUIRES SPECIAL TOOLS TO INSTALL SEE REPAIR INSTRUCTION MANUAL i1058 OWNER S MANUAL 417 ...
Page 24: ...BRIGGS STRATTON MODEL NO 12H802 4 CYCLE ENGINE TYPE NO 2640 B1 445 677 CARBURETOR GASKET SET _ _ 708_ __ 617 _ 276_ 443 _i_ 1 _ 41 ...
Page 25: ...BRIGGS STRA rroN MODEL NO 12H802 4 CYCLE ENGINE TYPE NO 2640 B1 3o4 3os 187 _ _ S F _j _1 J I 1o EM _IO SLAeELJ 332 455 _J_i p_ C_I l _ 363 1211_ 1210__ 11 592 _P 7 I 689 _ 60 597 _ 42 ...
Page 26: ...BRIGGS STRATTON MODEL NO 12H802 4 CYCLE ENGINE TYPE NO 2640 B1 48 745 _ _ _ ...
Page 27: ...ndard 497315 Jet Main High Altitude 121 498260 Kit Carburetor Overbau _25 498170 Carburetor KEY PART NO NO DESCRIPTION 127 694468 121Plug Welch 130 691203 Valve Threttle 133 398187 Float Carburetor 134 398188 O Valve Needle Seat 137 693981 I_ _ Gaskal FIoai Bowl 146 690979 Key Timing 159 691753 Breckst Air Cleaner Prim_ 1B3 272653oO_ Gaskst AIt Cteaner 187 691050 Line Fuel Cut to Require Length 18...
Page 28: ...95 498528 Set Valve Gasket Cover 1210 498144 Asssmbly Pulley Spdng 689 691855 Spdng Fdction _ulleY_0 708 691321 O _ Seal Throttle Shaft 741 691830 Gear Timing 1211 498144 ssem ly Pulley Spdng 745 691648 Screw Brake Spring 842 691031 SeaI O Ring Dipstick Tube 847 692017 Asee mbly DipsUck Tuhe 851 493880 TermlnaI Sparkplug Included In Engine Gasket Set Key No 869 691t55 Seat Valve Intake 358 870 690...
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Page 31: ...owner s manuals that you need to do it yourself call Sears PartsDireetSm 1 800 366 PART 6 a m 11 p m CST 1 800 366 7278 7 days a week www sears com partsdlrect To purchase or inquire about a Sears Service Agreement 1 800 827 6655 7 a m 5 p m CST Mon Sat Para pedir Servictode repa_clbn a domlcillo y para ordenar piezas con entrega a domlc lio 1 888 SU HOGAR _ 1 888 784 6427 AUCanada pour serviceen ...
