Craftsman EZ3 917.272121 Owner's Manual
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Craftsman EZ3 917.272121 Owner's Manual

18.5 hp electric start 46" mower automatic lawn tractor
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Owner's Manual
[RRFTSMrlII o
18.5 HP
ELECTRIC START
i" MOWER
AUTOMATIC
LAW
"rRACTO
Model No.
917.272121
° Safety
o Assembly
Operation
Maintenance
o Repair Parts
CAUTION:
For answers to your questions
about this product, Call:
Read and follow all
Safety Rules and Instructions
1,.800-659-5917
Sears Craftsman
Help Line
before operating this equip-
s am-
5pro, M ort- S at
ment.
Sears, Roebuck
and Co., Hoffman Estates,
IL 60179

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Summary of Contents for Craftsman EZ3 917.272121

  • Page 1 Repair Parts CAUTION: For answers to your questions about this product, Call: Read and follow all 1,.800-659-5917 Safety Rules and Instructions Sears Craftsman Help Line before operating this equip- 5pro, M ort- S at s am- ment. Sears, Roebuck and Co., Hoffman Estates,...
  • Page 2 Please contact your nearest service center. After 30 days from the date of purchase, warranty service is available by taking your Craftsman riding equip- ment to your nearest Sears Service Center. (In-home warranty service will still be avail- able after 30 days from the date of purchase but a standard trip charge will apply).
  • Page 3 • Do nottry to stabilize the machine by • Turn off blades when not mowing. putting your foot on the ground. • Stop engine before removing grass ° Do not use grass catcher on steep catcher or unclogging chute. slopes. o Mow only in daylight or good artificial light_ CHILDREN...
  • Page 4 Never make adjustments or repairs with o Mower blades are sharp and can cut. the engine running. Wrap the blade(s) or wear gloves, and Grass catcher components are subject use extra caution when servicing them. to wear, damage, and deterioration, °...
  • Page 5 Sears Authorized Service CONGRATULATIONS on your purchase Center (See REPAIR PARTS section of of a Craftsman Tractor° It has been this manual). designed, engineered and manufactured to give you the best possible dependability and performance.
  • Page 6 PARTS BAG CONTENTS SHOWN FULL SIZE ('I) Shoulder Bolt 5/16-18 (I) Washer 17/32 x 1-3/16 x 12 Gauge (1) Knob , ,, ,,r, ,,r_ '''u''_'' (2) Washers 3/t6 x 3/4 x (3) Retainer Springs (Double Loop) (2) screws .-.. (2) Lock #10 x 5/8 ,_ 1Washers ,,,,r=...
  • Page 7 Parts packet separately in carton Parts Bag contents not shown full size © (2) Shoulder (2) Washers 3/8 Seat Bolts x 7/8 x 14 Ga. Video Cassette (2) Centerlock Nuts (2) Gauge Wheels Steering Wheel Insert Steermg Wheel Assemblies Mulcher Plate Slope Sheet Steering...
  • Page 8 Your new tractor has been assembled at the factory with exception of those parts left unassembted for shipping purposes. To ensure safe and proper operation of your tractor all parts and hardware you assemble must be tightened securely° Use the correct tools as necessary to insure proper tightness.
  • Page 9 HOW TO SET UP YOUR TRACTOR Seat CONNECT BATTERY Seat Pan ° Lift hood to raised position° ° If this battery is put into service after month and year indicated on label (label located between terminals) charge bat- tery for minimum of one hour at 6-10 amps, (See "BATTERY"...
  • Page 10 IMPORTANT: Check belt for proper rout- ° Connect anti-sway bar to chassis brack- et under left footrest and retain with ing in all mower pulley grooves. Install belt into electric clutch pulley groove. double loop retainer spring_ o Turn height adjustment knob clockwise o Install one front link in top hole of the to remove slack from mower suspen- right hand front mower bracket and right...
  • Page 11 v' CHECKLIST INSTALL MULCHER PLATE • Install two latch hooks to mulcher plate PLEASE REVIEW THE FOLLOWING using screw, washer, lock washer, and CHECKLIST: weld nut as shown° t," All assembly instructions have been NOTE: Pre-assemble weld nut to latch completed.
  • Page 12 These symbols may appear on your tractor or in literature supplied with the product. [.earn and understandtheir meaning. FAST BATTERY CAUTION REVERSE FORWARD SLOW WARNING OVER TEMP ENGINE ON ENGINE OFF OIL PRESSURE LIGHTS ON LIGHT UNLOCKED MOWER LIFT CHOKE MOWER HEIGHT PARKING...
  • Page 13 KNOW YOUR TRACTOR READ THIS OWNER'S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR TRACTOR Compare the illustrations with your tractor to familiarize yourself with the locations of various controls and adjustments. Save this manual for future reference. Light Switch Position Ignition Switch Ammeter...
  • Page 14 The operation of any tractor can result in foreign objects thrown into the eyes, which can result in severe eye damage. Always wear safety glasses or eye shields while operating your tractor or performing any adjustments repairs. We recommend a wide vision safety mask over spectacles, or stare dard safety glasses.
  • Page 15 ° Select desired height of cut. • Turn knob counterclockwise (,.3)to • Lower mower with attachment lift con- lower cutting heighL trol. The cutting height range is approximately = Start mower blades by engaging attach- 1-1/2" to 4". The heights are measured ment clutch control.
  • Page 16 Purchase fuel in quantities that can be • Raise attachment lift to highest position with attachment lift control. used within 30 days to assure fuel fresh • Pull freewheelcontrol knob out and hold hess. in position by inserting retainer spring IMPORTANT: When operating in tempera-...
  • Page 17 PURGE TRANSMISSION WARM WEATHERSTARTING(50° F AND ABOVE) ,_CAUTION: Never engage or disen- • When engine starts, slowly push choke gage freewheel lever while the engine is control in until the engine begins to run running. To ensure proper operation and perfor- smoothly.
  • Page 18 MOWING TIPS MULCHING MOWING TIPS • Tire chains cannot be used when the IMPORTANT: For best performance, keep mower housing is attached to tractor. mower housing free of built-up grass and o Mower should be properly leveled for trash, Clean after each use_ best mowing performance.
  • Page 19 CUSTOMER RESPONSIBILITIES sc. o= ," i i i illlllllll i .,i,,..,i ....REGULAR SERVICE _'_./,_"4_J SERVICE DATES CheckCheck OperationTire Brake Pressure ..... Check Operator Presence and Interlock Systems C'he'ck for Loose Fasteners ........Sharpen/Replace Mower Blades .." Lubrication Chart '"' ..
  • Page 20 TRACTOR IMPORTANT; To ensure proper assembly, center hole in blade must align with star Always observe safety rules when per- on mandrel assembly. forming any maintenance. o Reassemble hex bolt, lock washer and BRAKE OPERATION flat washer in exact order as shown. °...
  • Page 21 - Keep battery and terminals clean. ENGINE • Keep battery bolts tight. LUBRICATION ° Keep small vent holes open. Only use high quality detergent oil rated ° Recharge at 6-10 amperes for 1 hour. with API service classification SF, SG, or TO CLEAN BATTERY AND TERMINALS SH°...
  • Page 22 CLEAN Reinstall air cleaner cover and secure AIR INTAKE/COOLING AREAS To insure proper cooling, make sure the by tightening knob. grass screen, cooling fins, and other external surfaces of the engine are kept Foam Cartridge _, clean at all times. Every 100 hours of operation (more often Pre-cle._ under extremely dusty, dirty conditions),...
  • Page 23 CLEANING We do not recommend using a garden hose to clean your tractor unless the elec- • Clean engine, battery, seat, finish, etc, trical system, muffler, air filter and carbure- of all foreign matter,, tor are covered to keep water out° Water •...
  • Page 24 TO LEVEL MOWER HOUSING Check adjustment on right side of tractor, Measure distance "D" directly in front and Adjust the mower while tractor is parked behind the mandrel at bottom edge of on level ground or driveway. Make sure mower housing as shown. tires are properly inflated (See "PROD- °...
  • Page 25 TO REPLACE MOWER DRIVE BELT MOWER DRIVE BELT INSTALLATION • Install belt in both idlers. Make sure belt MOWER DRIVE BELT REMOVAL is in both belt keepers at the idlers as • Park tractor on a level surface. Engage shown. parking brake.
  • Page 26 TO REPLACE MOWER BLADE DRIVE ° Check secondary idler arm and idler to see that they rotate freely. BELT o Be sure spring is hooked in secondary Park the tractor on level surface° Engage idler arm and sway-bar bracket. parking brake. o Install new belt in lower groove of left •...
  • Page 27 o Disconnect clutch wire harness. TO ADJUST STEERING WHEEL ALIGN- • Remove clutch Iocator. MENT o Remove be!t from stationary idler and If steering wheel crossbars are not hori- clutching idler. zontal (left to right) when wheels are posi- , Pull belt slack toward rear of tractor. tioned straight forward, remove steering Carefully remove belt upwards from wheel and reassemble per instructions in...
  • Page 28 If "jumper cables" are used for emergency Tighten securely. • Close terminal access doors. starting, follow this procedure: IMPORTANT: Your tractor is equipped ° Close hood. with a 12 volt negative grounded system. Keps Nut_.._ ,_-_-_ The other vehicle must also be a t2 volt Terminal _,:_1_,[._ ._j_HexBolt negativegrounded system, Do not use...
  • Page 29 TO ADJUST THROTTLE CONTROL carburetor does need adjustment, proceec CABLE as follows: In general, turning the adjusting needles The throttle control has been preset at the in (clockwise) decreases the supply of fue factory and adjustment should not be nec- to the engine giving a leaner fuel/air mix- essary.
  • Page 30 Also, experience indicates that alcohol Immediatelyprepare your tractor for stor- blended fuels (called gasohol or using age at the end of the season or if the trac- tor will not be used for 30 days or more. ethanol or methanol) can attract moisture which leads to separation and formation...
  • Page 31 TROUBLESHOOTING CHART PROBLEM CAUSE CORRECTION Will not start Out of fuelo • Fill fuel tank° • See "TO START ENGINE" in • Engine not "CHOKED" prop- erly, Operation section. • Wait several minutes before • Engine flooded, attempting to starL •...
  • Page 32 TROUBLESHOOTING CHART CORRECTION PROBLEM CAUSE , ,,,u,,,,, - Clean and regap or change Loss of power (cont'd) Faulty spark plug spark plug. ° Replace fuel filter • Dirty fuel filter. • Drain fuel tank and refill with o Stale or dirty fuel fresh gasoline., Water in fuel.
  • Page 33 TROUBLESHOOTING CHART CAUSE CORRECTION , PROBLEM ,,,,,,,, ,,, L Li J* ,uL o Clean underside of mower Poor grass discharge • Buildup of grass, leaves and trash under mower. housing. (cont'd) • Mower drive belt worn. • Replace mower drive belt. o Reinstall blades sharp edge •...
  • Page 35 TRACTOR - - MODEL NUMBER 917.272121 SCHEMATIC BLACK BATTERY SOLENOID ..FUSE30 AMP. STARTER (OPTIONAL) WH_E AMMETER A_ 0 IGNITION SWITCH - ..FL¥-L"; SPARK IGNITION PLUGSGAP BLUE UNIT "_, (2 PLUGSON v TWIN CYL ENGINES) FUEL SHUT-OFFSOLENOID CHARGING SYSTEM OU[PLN- 15 AMP OC O 3600 RPM .oT= l 1...
  • Page 36 TRACTOR - - MODEL NUMBER 917.272121 ELECTRICAL...
  • Page 37 108824X Fuse 73510400 NutKeps Hex 1/4-20 Unc 145491 Cable, Ground 160784 Switch, Seat 163968 Switch, Ignition 140403 Key, Molded, Craftsman 164098 Harness, Ignition 131563 Cover, Terminal 145673 Solenoid 122822X Ammeter Rectangular 15Amp 154963 Switch Pro 3 Pdt Red Delta 96...
  • Page 38 TRACTOR - - MODEL NUMBER 917.272121 CHASSIS AND ENCLOSURES...
  • Page 39 TRACTOR -- MODEL NUMBER 917.272121 CHASSIS AND ENCLOSURES PART DESCRIPTION Chassis 160392 Drawbar 140356 17490612 Screw, Thd,, Roll+ 3/8-16 x 3/4 Type TT 163976 Dash, Stealth YTGT 2 cyl STD533710 Bolt, Carriage 3/8-16 x 1 't63455 Panel, Dash, LH Panel, Dash, RH 163456 161023X558 Hood Assembly...
  • Page 40 TRACTOR"" MODEL NUMBER 917.272121 GROUND DRIVE...
  • Page 41 TRACTOR -- MODEL NUMBER 917.272121 GROUND DRIVE PART PART DESCRIPTION DESCRIPTION 150071B Pulley, Engine Transaxle Assembly 145868 Washer 142431 Spring, Return, Brake 10040700 143995 Keeper Belt Engine Hydro Pulley, Transaxle 154778 154792 Strap Torque Lh Hydro Rod Shift Hydro LT 140158 18/20"...
  • Page 42 TRACTOR - - MODEL NUMBER 917.272121 STEERING ASSEMBLY , ::F-"-_3o ° :::::-!::::.V:., >...
  • Page 43 TRACTOR -- MODEL NUMBER 917.272121 STEERING ASSEMBLY PART DESCRIPTION 159944 Steedng Wheet Axle Assembly STMP Dropped STL 154427 156483 Spindle Assembly, L°H. 157473 Spindle Assembly, R°H_ 6266H Bearing, Race,Thrust, Hardened 121748X Washer 25/32 x 1-5/8 × 16 Gauge 19272016 Washer 27/32 x 1-1/4 x I6 Gauge 12000029 Ring, Klip Beadng, Steedng Column...
  • Page 44 TRACTOR - - MODEL NUMBER 917.272121 ENGINE t OPTIONAL EQUIPMENT Spark Arrester...
  • Page 45 TRACTOR - - MODEL NUMBER 917.272!21 ENGINE PART DESCRIPTION 164092 Control,Throttle!Choke Engine, (See Breakdown) Kohler Model No,,CV16S-43512 ..149723 Muffler,Asm Twin Lo-Tone 146699 Pipe Exhaust Lh Cv18/20 146700 Pipe Exhaust Rh Cv18/20 Bolt 5/16-18 Unc x 3/4 w/Sems 150176 146629 Shield Heat 244341-02 Gasket (Order From Engine Mfg)
  • Page 46 TRACTOR -- MODEL NUMBER 917.272121 SEAT ASSEMBLY PART PART DESCRIPTION DESCRIPTION 140123 Seat 121248X Bushing, Snap 140551 Bracket, Pivot,Seat 72050412 Bolt, Carriage 1/4-20 x 1-1/2 STD523710 Bolt 134300 Spacer, Split .28 x .88 19131610 _ Washer 13/32 x I x 10 Gauge 121250X Spdng 145006...
  • Page 47 Decal Dash Phi Kohler 163206 Decal, Fender Side 163203 Decal, Lift Handle Decal, Deck Mower EZ 138311 163204 Pad Footrest LH STLT Decal, Fender, Craftsman 154515 156439 154516 Pad Footrest RH STLT Decal, Fender Danger 142341 Decat, Drawbar Cntrl M_ 165069...
  • Page 48 TRACTOR - - MODEL NUMBER 917.272121 LIFT ASSEMBLY 25 24 161718 31 _...
  • Page 49 TRACTOR - - MODEL NUMBER 917.272121 LIFT ASSEMBLY PART DESCRIPTION t 59461 Lift Lever Inner Wire Assembly t59476 Shaft Assembly, Lift 138284 Pin, Groove 12000002 E+Ring 19211621 Washer 21/32 x 1 x 21 Gauge 120183X Bearing. Nylon 125631X Grip, Handle, Fluted 122365X Button, Plunger, Red 139865...
  • Page 50 TRACTOR -- MODEL NUMBER 917.272121 MOWER DECK 103102 116 117...
  • Page 51 TRACTOR - - MODEL NUMBER 917.272121 MOWER DECK PART PART DESCRIPTION DESCRIPTION 137273 Spring, Secondary 44/46/50 t64210 Deck Weldment. 46" Vent 138457 Bracket Asm., Sway Bar 17490620 Screw, Thdmll 3/8-16 x t-1/4 STD624008 Retainer Spring Tytt 130832 Arm, Suspension, Rear Spacer, Retainer (Sway Bar) 122052X...
  • Page 52 TRACTOR -- MODEL NUMBER 917.272121 HYDRO GEAR TRANSAXLE-- MODEL NUMBER 319-0650 "36...
  • Page 53 TRACTOR - - MODEL NUMBER 917.272121 HYDRO GEAR TRANSAXLE - - MODEL NUMBER 319_0650 PART PART DESCRIPTION DESCRIPTION Washer 7/16 x7/8 x .060 142930 Housing, Lower 142884 Differential Assembly 14293! Assembly, Upper Housing 150829 Washer 3/4 x 1.5 x ..13 142932 Seal, Lip 142991...
  • Page 54 TRACTOR -- MODEL NUMBER 9'17.272121 KOHLER ENGINE-MODEL NUMBER CV18S, TYPE NUMBER PS-61554 CRANKCASE CYLINDER HEAD, VALVE AND BREATHER ... 26-_ 2-_j 13 14 ! _._-27 _-3837 3B ] _--28...
  • Page 55 TRACTOR - - MODEL NUMBER 917.272121 KOHLER ENGINE-MODEL NUMBER CV18S, TYPE NUMBER PS-61554 M-0551016 Screw, Hex, Flange M6 x 0.8 x IGNITION/ELECTRICAL Baffle, Cylinder Barrel, # 2 Side PART 24-063-20 Baffle, Valley, # 2 Side DESCRIPTION 24-063414 M-0545010 Screw, Hex, Flange M5 x 0.8 x ! 0 (2) 24-162-17 Screen, Grass...
  • Page 56 TRACTOR -- MODEL NUMBER 917.272121 KOHLER ENGINE-MODEL NUMBER CV18S, TYPE NUMBER PS-61554 __BLOWER HOUSING AND BAFFLES IGNITION / ELECTRICAL I .._-.3 _--4 23--t s °o \<1_ --,_ " d0//16 AIR INTAKE I...
  • Page 57 TRACTOR - - MODEL NUMBER 917.272121 KOHLER ENGINE-MODEL NUMBER CV18S, TYPE NUMBER PS-61554 IGNITION/ELECTRICAL M5 x 0.8 x 20 (2) M-055t016 Screw, Hex, Flange M5x 08 x PART DESCRIPTION 24-063_20 Baffle, Cylinder Barrel, # 2 Side 24-063-14 Baffle, Valley, # 2 Side 24-162-17 Screen, Grass M-0545010...
  • Page 58 TRACTOR -- MODEL NUMBER 917.272121 KOHLER ENGINE-MODEL NUMBER CV18S, TYPE NUMBER PS-61554 STARTING SYSTEM J ENGINE CONTROLS...
  • Page 59 TRACTOR - - MODEL NUMBER 917.272121 KOHLER ENGINE-MODEL NUMBER CV18S, TYPE NUMBER PS-61554 STARTING SYSTEM ENGINE CONTROLS PART PART DESCRIPTION DESCRIPTION M-0839070 Screw, Hex, Flange SM-0642025 Screw, Hex, Flange M8 x 1.25 x 70 M6 x 1.0 x 25 M-0839080 24-090-14 Lever, Govemor Screw, Hex, Flange...
  • Page 60 TRACTOR - - MODEL N UMBER 917.272'121 KOHLER ENGINE-MODEL NUMBER CV18S, TYPE NUMBER PS-61554 CRANKSHAFT 2--_ FUELSYSTEM...
  • Page 61 TRACTOR - - MODEL NUMBER 917.272121 KOHLER ENGINE-MODEL NUMBER CV18S, TYPE NUMBER PS-61554 FUEL SYSTEM PART DESCRIPTION PART DESCRIPTION 244)14-42 Crankshaft 52-139439 Plug, Cup 24-853-41 Kit, Carburetor with Gasket (Includes Key Numbers 2 thru 4, EXHAUST I5 and 16) 244341-15 Gasket, Carburetor PART 244353-25...
  • Page 62 <...
  • Page 64 For the repair or replacement parts you need delivered directly to your home Call 7 am - 7 pm, 7 days a week 1-800-366=PART (1-800-366-7278) Para ordenar piezas con entrega a domicilio - 1-800-659-7084 For in-house major brand repair service Call 24 hours a day, 7 days a week 1-800-4-REPAIR (1-800-473-7274)

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