Sears  987.889 Owner's Manual
Sears  987.889 Owner's Manual

Sears 987.889 Owner's Manual

8 horsepower 33-inch mower

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I
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--.
OWNER'S
MANUAL
MODEL NO.
987.889000
,_
Caution:
Read and Follow
All Safety Rules
and Instructions
Before Operating
This Equipment,
CRAFTSMAN°
8 HORSEPOWER
33-INCH MOWER
• Assembly
• Operation
• Customer Responsibilities
• Service and Adjustments
• Repair Parts
Sears, Roebuck and Co., Hoffman Estates, Illinois 60179 U.S.A.
.FORM 1905122 (3/98)

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  • Page 1 Read and Follow All Safety Rules and Instructions Before Operating This Equipment, Sears, Roebuck and Co., Hoffman Estates, Illinois 60179 U.S.A. .FORM 1905122 (3/98) CRAFTSMAN° 8 HORSEPOWER 33-INCH MOWER • Assembly • Operation • Customer Responsibilities • Service and Adjustments •...
  • Page 2: Safety Rules

    AUTION: ALWAYS DISCONNECT SPARK PLUG WIRE AND PLACE WIRE WHERE IT CANNOT CONTACT SPARK PLUG TO PREVENT ACCIDENTAL STARTING WHEN SET- TING UP, TRANSPORTING, Safe Operation This curing machine is capable ura to observe the following WARNING: The engine exhaust from this product containschemicals known to the State of Californiato causecancer,birthdefects, or other reproductive harm.
  • Page 3: Slope Operation

    18. Always wear safety goggles or safety glasses with side shields when operating mower. 19. Watch for traffic when operating near, or when cross- ing roadways. 20. Never attempt to carry children or other passengers on the mower. They could fail off and be seriously in- jured, or they could interfere with the safe operation of the mower.
  • Page 4 Keep mower free of grass, leaves or other debds build-up. Clean up oil or fuel spillage. Allow mower to cool before storing. 7. After stdking an object, stop the engine and discon- nect the spark plug wire. Inspect the mower and re- pair, if necessary, before restarting.
  • Page 5: Maintenance Agreement

    Searswill repair free of chargeany defect in material or workmanship. If this Craftsman® Lawn Mower is used for commercial o r rentalpurposes, t his warrantyapplies for only 90 days from the date of purchase.
  • Page 6: Table Of Contents

    SAFETY RULES ... CUSTOMER RESPONSIBILITIES PRODUCT SPECIFICATIONS WARRANTY -ACCESSORIES AND ATTACHMENTS ASSEMBLY OPERATION CUSTOMER RESPONSIBILITIES INDEX Accessories and Attachments ... 7 Adjustments: Height of Cut ... Air Cleaner ... Assembly ... Blade: Replacement ... Sharpening ... Blade Drive Control ... Carburetor ...
  • Page 7: Accessories And Attachments

    ACCESSORIES AND AI IACHMENTS These accessories and attachments were available when the mower was purchased. They are also available at most Sears retail outlets, catalog and service centers. Most Sears stores can order repair parts for you when you provide the model number of your unit.
  • Page 8 CONTENTS © Flat Washer, 5/16" Qty:4 Hex Flange LockScrew, 1/4"-20 x 1/2" Qty:2 Shift Link - Gear Select Lever (shownreduced size) Qty:1 OF HARDWARE PACK Parts Bag Contents CotterPin, 3/32" x 5/8" Oty:6 HexFlange LockNut, Oil Drain Tube (shownreducedsize) 1/4-20" Qty:2 Plastic CableTie (shownreducedsize)
  • Page 9: Assembly Steps

    Read these instructions in their en- tirety before you attempt to assem- ble or operate your new equipment. Your new equipment has been as- sembled at the factory with the ex- Tools NeededForAssembly: • (1) 7/16" Wrench • (1) 3/8" Wrench •...
  • Page 10 STEP2: Attach ControlRods WARNING The control rods are adjusted at the factory and should not require additional adjustment during assembly. After as- sembling unit, controlrod ad- justment should be checked (and re-adjusted, if neces- sary) accordingto information in "Customer Responsibili- ties"...
  • Page 11 Figure 2-5: Rear view of control rods. Figure 2-6: Detail - Gear Select Lever in Neutral (N) position. ASSEMBLY Pin (K) must be in this detent whentransmissionneutral is _ adjusted. • Rotate gear select lever (I, Fig- ures 2-6 & 2-7) clockwise until pin (K) on gear select rod stops in the neutral position detent on the shift pattern quadrant (Figure 2-6).
  • Page 12 Figure 2-7: Detail- TransmissionNeutralAdjustment. • Insert hooked end of shift link (P, Figure 2-7) into hole in bottom end of gear select lever (I) and secure with cotter pin (Q). Bend ends of cotter pin. NOTE: It may be nec- essary to lift gear select lever (I) to install shift link (P).
  • Page 13: Operator Presence Control

    KNOW YOUREQUIPMENT READ THIS OWNER'S MANUALAND location and function of all features and controls on the equipment. MEETS ANSI B71.1 - 1996 SAFETY STANDARD This machine meets voluntary safety standard B71.1 - 1996, which is sponsored by the Outdoor Power Equipment Institute, Inc., and is published by the American National Standards Institute, Inc.
  • Page 14: Blade Drive Control

    BladeDriveControl Use this lever (B, Figure 3-2) to engage drive to the mower blades. To engage the blades, first en- gage the Operator Presence Con- trol (A, Figure 3-2). Then, push the spring-loaded Blade Drive Control lever (B) forward until it stays in the engaged position.
  • Page 15: Wheel Drive Control

    Wheel Drive Control Use this lever (D, Figure 3-6) to engage and disengage drive to the wheels. To engage the wheels, first select a forward or reverse gear with the Gear Select Lever and press the Operator Presence Control (A, Fig- ure 3-5) against the handlebar grip.
  • Page 16: Engine Throttle Control

    EngineThrottle Control This lever (F, Figure 3-8) is used to adjust engine speeds and to stop the engine. Always run en- gine at fast speed setting for best mower performance. The throttle settings are shown to the right. ]_1_1 CHOKE- Usewhen startinga coldengine.
  • Page 17: Before Starting Engine

    BEFORE STARTING ENGINE AddMotor Oil • Only use high quality detergent oil rated with API service classifica- tion SF, SG or SH. Select the oil's SAE viscosity grade according to your expected operating tempera- ture. Above 32OF, use SAE 30; below 32OF, use 5W30.
  • Page 18 AdjustMower CuttingHeight The cutting height can be adjust- ed from 1 to 4 inches by rotating the Cutting Height Control lever (A, Figure 3-11). Choose cutting heights accord- ing to grass conditions and terrain. In heavy or tall grass, it is usually better to make the first cut at a higher setting and then make a second cut at the desired setting.
  • Page 19: Starting And Stopping The Engine

    STARTING ANDSTOPPING THEENGINE ANGER Do not operate engine in an enclosed area. Engine exhaust contains carbonmonoxide,a deadlygasthat is odorless,colorlessand tasteless. Always run engine outdoors and make sure there is adequate ventilation. C- GearSelect Lever B- Blade DriveControl Figure 3-13: Mower Controls. WARNING To avoidinjury: ,, Keephandsand feet clear...
  • Page 20: Toengage Thewheels

    TOENGAGE THEWHEELS CAUTION To avoid damaging the transmission, do not shift gears while in motion. • To avoid damaging the wheel brake mechanism, do not engage the Wheel Drive Control without first engaging Operator Presence Control. WARNING Before engaging the Wheel Drive Lever for the very first time, check that the neutral (N) position on the Gear Se-...
  • Page 21: Mowing Tips

    MOWING TIPSANDHINTS WARNING To avoidinjury or propertydamage: • Before mowing, thoroughly inspect area where mower is to be used and remove all stones, sticks, wires, bones, nails and other foreign objects. • Disengagemower blades beforecrossinggravel drives, roads, or side- walks to prevent blades from throwing stones or other hazardous objects.
  • Page 22 BLADE BRAKE CONTROL TEST When the Operator Presence Control is released during opera- tion of the mower, the engine does not stop, but the blades should stop within three (3) seconds. The following test provides a visual test of whether the Blade Brake Control System is functioning.
  • Page 23: Lubrication

    CUSTOMER RESPONSIBILITIES Maintenance C hart INTERVAL* Each use 1st2 hours 25 hours 50 hours Annuallyor 100hours Monthly Annually o r 50 hours *Intervaldescribes running time. **A hand-type g reasegunisrecommended whengreasing your unit. High-pressure typegreaseguns couldcausedamage to fittings/seals. Lubrication C hart ITEM First2 hours Engine Crankcase...
  • Page 24: Engine Cleaning

    CUSTOMER RESPONSIBILITIES GENERAL R ECOMMENDATIONS The warranty on this equipment does not cover items that have been subjected to operator abuse or negligence. To receive full val- ue from the warranty, the operator must maintain the equipment as instructed in this manual. Some adjustments will need to be made periodically to properly maintain your equipment.
  • Page 25: Air Cleaner

    CUSTOMER RESPONSIBILITIES AIR CLEANER SERVICE Improper air cleaner maintenance can cause engine damage. SERVICE SCHEDULE: Foam Filter (A, Fig. 5-3): Wash and re-oil every 3 months or every 25 operating hours. Clean and re- oil daily if used in extremely dusty conditions.
  • Page 26: Service And Adjustments

    SERVICE AND ADJUSTMENTS SPARK PLUG Inspect the spark plug (Figure 5-4) after every 100 hours of operation. Be sure the gap is set at .030". Do not reuse plug if it is severely worn or damaged. Best results are obtained with a new plug.
  • Page 27: Bladedrivebelt Replacement

    SERVICE AND ADJUSTMENTS BLADEDRIVEBELT REPLACEMENT Follow this procedure to remove and replace the blade drive belt. An assistant will be needed. To Remove Belt 1. Stop engine, wait for all parts to stop moving, and disconnect spark plug wire. 2. Disengage blade drive control (Figure 5-7) by releasing all con- trols on the mower.
  • Page 28: Bladedrivebelt Adjustment

    SERVICE AND ADJUSTMENTS BLADEDRIVEBELT ADJUSTMENT If the blade drive belt is slipping due to lack of belt tension, follow the steps below. 1. Stop engine, wait for all parts to stop moving, an d disconnect spark plug wire. 2. Remove belt cover as described in "Belt Cover Removal"...
  • Page 29: Bladedrivecontrol Lever Adjustment

    SERVICE AND ADJUSTMENTS BLADEDRIVECONTROL LEVER ADJUSTMENT Make th_ following adjustment if the Blade Ddve Control lever re- leases dudng operation. _ 1. Stop engine, wait for all parts to stop moving, and disconnect spark plug wire. 2. Engage the Operator Presence Control and the Blade Drive Con- trol.
  • Page 30: Assembly

    SERVICE AND ADJUSTMENTS WHEELDRIVEBELT ADJUSTMENT The wheel drive belt requires an adjustment if loss of drive belt ten- sion (slippage) occurs. This is most noticeable when more trac- tion is required (such as going up slopes). ToTestWheel Traction 1. Park machine on a paved (con- crete, etc.) surface with front edge up against a sturdy wall, fence, etc.
  • Page 31: Wheelbrake Adjustment

    SERVICE AND ADJUSTMENTS WHEELBRAKE ADJUSTMENT This adjustment may be required if the m.achine does not hold on a hill with the Operator Presence Control disengaged, or if the brake drags with the Operator Presence Control engaged and the transmis- sion in neutral. 1.
  • Page 32: Sharpening

    SERVICE AND ADJUSTMENTS MOWERBLADES Examine mower blades before op- eration. For efficient mowing, cut- ting edges of blades should al- ways be kept sharp. Check for blade wear or damage. See Fig- " ure 5-16. Replace a severely worn or damaged blade with a new one. WARNING Mower bladesare sharp.
  • Page 33 SERVICE AND ADJUSTMENTS Blade Installation Blades must be installed perpen- dicular to each other (see Figure 5-17). Install mower blade as shown in Figure 5-18 with flat side down. Install washer on bolt. Tighten bolts to a torque value of 35 ft. Ibs.
  • Page 34: Off-Season Storage

    OFF-SEASONSTORAGE • Stop engine, wait for all parts to stop moving, and discon- nect spark plug wire before performing any storage proce- dures. Review the "Mainte- nance and Storage" safety rules in the Safety section of this Manual MOWER: • Inspect all parts for damage, breakage, and wear.
  • Page 35: Troubleshooting Chart

    TROUBLESHOOTING WARNING Before inspecting, cleaning or servicing the machine, shut off engine, make sure that all moving parts have come to a complete stop, and disconnect spark plug wire. Failure to follow this instruc- tion could result in personal injury or propertydamage. Troubleshooting Chart Possiblecause...
  • Page 36: Safety Decals

    OPERATING AND SAFETY DECALS SAFETY DECALS Make certain all safety decals on this equipment are kept clean and in good condition. The decals are shown (at reduced sizes) below. If you need a replacement decal, please refer to the Repair Parts section of this manual. On top, rear of engine platform DANGER _kCAUTION...
  • Page 37: Repair Parts

    CRAFTSMAN 8HP MODEL 987.889000 REPAIR PARTS HANDLEBAR AND CONSOLE ASSEMBLY i 113 [J78 _114 Ref. Part Description 1186393 Flange Locknut, 3/8-16... 1 1185147 CotterPin,3/32x 5/8... 2 1721252 J-Clip ... 1 1107382 Flat Washer, 5/16...4 1186389 Flange Locknut, 1/4-20 ... 2 1702646 Flat Washer, 1/2...1...
  • Page 38 CRAFTSMAN 8HP MODEL 987.889000 REPAIR PARTS DRIVEASSEMBLY...
  • Page 39: Drive Assembly

    CRAFTSMAN 8HP MODEL 987.889000 DRIVEASSEMBLY Ref. Part Description Engine, 8 HP... 1 1769904 Engine Pulley...1 1100243 LockWasher, 3/8... 1 1915933 Bolt, 3 /8-24x 1-3/4- Grade 8 ... 1 1773599 Washer, Nylon...1 1915475 Warning Decal ..1 1766326 OilValve Cap... 1 1768865 OilValve (Incl.Ref.8) ...
  • Page 40 CRAFTSMAN 8HP MODEL 987.889000 REPAIR PARTS FRONTFRAMEASSEMBLY 7110 402 Black Spray PaintCan,13oz. _110 310 73...
  • Page 41 CRAFTSMAN 8HP MODEL 987.889000 FRONTFRAMEASSEMBLY Ref. Part Description 1186393 Flange Locknut,3/8-16 ... 9 1185147 Cotter Pin,3/32x 5/8... 2 1107383 Flat Washer, 3/8...6 1733398 Locknut,3/8-16...2 1769895 Lift Crank ... 1 1100349 Cotter Pin... 1 1701447 Special W asher ..4 1770247 LowerBladeRod...
  • Page 42 CRAFTSMAN 8HP MODEL 987.889000 REPAIR PARTS MOWERDECKASSEMBLY TORQUE T O 35 FT. LBS. 400 LOCTITE 2 42,0.02 OZ.TUBE 401 BLACK SPRAY PAINT CAN, 1 3 OZ. LOCTITE INTO PLACE TORQUETO 35 FT. LBS,...
  • Page 43 CRAFTSMAN 8HP MODEL 987.889000 MOWERDECKASSEMBLY Ref. Part Description 1185574 BallBearing ...4 1746869 Spacer ..2 1915280 MowerSpindle ..2 1765029 Blade Spacer ..2 1766061 Right SpindleShaft ... t 1768169 LeftSpindleShaft(long) ... 1 1765196 Screw,7/16-14x 1 ... 2 BelleviIle Washer .
  • Page 44 CRAFTSMAN 8HP MODEL 987.889000 REPAIR PARTS Transaxle A ssembly...
  • Page 45: Transaxle Assembly

    CRAFTSMAN 8HP MODEL 987.889000 REPAIR PARTS TRANSAXLE ASSEMBLY Ref. Part Description TransaxleCover... 772113 780086 NeedleBearing... Transaxle Case ... 770110 Countershaft ... 776300 778281 Spur Gear (16 teeth) ... 778122A Spur Gear (22 teeth) ... 792160 Shift Key ... Shift Collar ...
  • Page 46 CRAFTSMAN 8HP MODEL 987.889000 REPAIR PARTS Craftsman 4-Cycle,8HP Engine(Model 143.988000) .25O • 210 _211 °l...
  • Page 47: Engine

    CRAFTSMAN 8HP MODEL 987.889000 REPAIR PARTS Craftsman4-Cycle,8HPEngine(Model143.988000) Ref # Part # Description 35745 Cylinder (Incl. 2 &20) 27652 Dowel Pin 28277 Washer 35082 Governor 32651 Governor Lever 29916 Governor Lever C lamp 651028 Screw, Torx T -15, 8 -32 x 3/8' 1...
  • Page 48 CRAFTSMAN 81-1PMODEL 987.889000 REPAIR PARTS Craftsman4-Cycle,8HP Engine(Model143.988000) CARBURETOR NO. 640126 , _27 _'_37 40 1 ! Ref # Part # Description Qty. 640126 Carburetor (Incl.184 ofEngine PartsList 631776A Throttle S haft& Lever A ssembly 631970- Throttle Return Spring 631184 DustSealWasher...
  • Page 49 CRAFTSI_IAN 8HP MODEL 987.889000 REPAIR PARTS Craftsman 4-Cycle,8HP Engine(Model143.988000) RECOIL STARTER NO. 590746 ¢p-.4 Ref# Part # Description Qty. 590746 Recoil S tarter 590599A Spring Pin (lncl 4) 590600 Washer 590679 Retainer 590601 Washer 590678 Brake Spring 590680 StarterDog 590412...
  • Page 50 NOTES...
  • Page 51 NOTES...
  • Page 52 OWNER'S MANUAL MODEL NO. 987.889000 IF YOU NEED REPAIR SERVICE OR PARTS: FOR REPAIR SERVICE CALL THIS TOLL-FREE NUMBER: • 1-800-4-REPAIR (1-800-473-7247) FOR REPLACEMENT PARTS INFORMATION AND ORDER- ING, CALL THIS TOLL-FREE NUMBER: 1-800-FON-PART (1-800-366-7278) Sears, Roebuck and Co., Hoffman Estates, Illinois 60179 U.S.A. FORM 1905122 (3/98) CRRFTSMRN°...

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