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Cub Cadet 387 Operator's Manual

21” self-propelled mower
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Operator's Manual
21" Self-Propelled Mower
Model 387
IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY
Warning:
This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-
covered, brush-covered or grass-covered land unless the engine's exhaust system is equipped with a spark arrester meeting
applicable local or state laws (if any). If a spark arrester is used, it should 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 laws. Federal laws apply on federal lands. A spark arrester for the muffler is available through your nearest engine authorized
service dealer or contact the service department, P.O. Box 368023 Cleveland, Ohio 44136-9722.
CUB CADET LLC P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
769-00571A.fm
PRINTED IN U.S.A.
FORM NO.
(11/03)

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  • Page 1 Federal laws apply on federal lands. A spark arrester for the muffler is available through your nearest engine authorized service dealer or contact the service department, P.O. Box 368023 Cleveland, Ohio 44136-9722. CUB CADET LLC P.O. BOX 361131 CLEVELAND, OHIO 44136-0019 769-00571A.fm PRINTED IN U.S.A.

  • Page 2: Table Of Contents

    Customer Dealer Referral Line or an authorized service dealer. Copy the model number here: Copy the serial number here: CUB CADET LLC P. O. BOX 361131 www.cubcadet.com CLEVELAND, OH 44136 DEALER LOCATOR PHONE NUMBER: 877-282-8684 CUSTOMER SUPPORT Please do NOT return the unit to the retailer from where it was purchased, without first contacting Customer Support.

  • Page 3: Important Safe Operation Practices

    SECTION 1: IMPORTANT SAFE OPERATION PRACTICES WARNING: This symbol points out important safety instructions which, if not followed, could endanger the personal safety and/or property of yourself and others. Read and follow all instructions in this manual before attempting to operate this machine. Failure to comply with these instructions may result in personal injury.

  • Page 4: Slope Operation

    unclogging the chute. The cutting blade continues to obscure your vision of a child who may run into the rotate for a few seconds after the engine is shut off. mower. Never place any part of the body in the blade area until Keep children away from hot or running engines.
  • Page 5 Check the blade and engine mounting bolts at frequent Grass catcher components, discharge cover, and trail intervals for proper tightness. Also, visually inspect blade shield are subject to wear and damage which could for damage (e.g., bent, cracked, worn) Replace blade expose moving parts or allow objects to be thrown.

  • Page 6: Slope Gauge

    SECTION 2: SLOPE GAUGE Use this page as a guide to determine slopes where you may not operate safely. Do not operate your lawn mower on such slopes.

  • Page 7: Assembling Your Lawn Mower

    SECTION 3: ASSEMBLING YOUR LAWN MOWER This unit is shipped without gasoline or oil • Tighten the wing nuts and raise the handle IMPORTANT: in the engine. Be certain to service engine with gasoline assembly until it clicks into place. Make sure not to and oil as instructed in the engine manufacturer’s kink the control cables.

  • Page 8: Know Your Lawn Mower

    Handle Mounting Bracket Cable Tie Pinch Here Lower Handle Inner Hole Hairpin Clip Figure 5 • Loosen the wing nut holding the rope guide to the upper handle. See Figure 6. • Squeeze the blade control handle against the Figure 4 upper handle and pull starter rope out slowly.

  • Page 9: Operating Your Lawn Mower

    Shift Lever The shift lever is located on the drive clutch control Drive Clutch Blade Control Handle Control housing on the upper handle. This lever is used to select the forward speed of the mower. When changing Recoil Starter Shift speed selection, release the drive clutch control.
  • Page 10 Starting Engine Attaching Grass Bag • Push primer once. Do not prime to restart a warm To install the grass bag: engine after a short shutdown. • Lift the rear discharge door and remove the • Your lawn mower is equipped with a constant mulching plug, if installed.

  • Page 11: Making Adjustments

    This side up Pull Lift This side down Lift Figure 10 • Lift the rear discharge door and remove the grass bag, if installed. Insert the mulching plug. See Figure 11. Lift Figure 9 Push Attaching Mulching Plug Follow the steps below to install the mulching plug: •...

  • Page 12: Handle Height Adjustment

    Handle Height Adjustment Bottom View Your mower is shipped with the handle in the higher height position. To lower the handle height, proceed as follows: Upper • Remove the starter rope from the rope guide. Adjustment Handle • Remove the upper handle by removing the wing Wheel nuts and carriage bolts.

  • Page 13: Maintaining Your Lawn Mower

    SECTION 7: MAINTAINING YOUR LAWN MOWER Customer Responsibilities MAINTENANCE SERVICE SCHEDULE DATES Lubricate Wheels Lubricate Blade Control Clean Deck Blade Care Check Oil Change Oil Replace Air Filter Clean Engine Check Spark Plug Check Spark Arrester (if any) General Recommendations Lubrication •...
  • Page 14 Maintenance When sharpening the blade, follow the original angle of grind as a guide. It is extremely important that each cutting edge receives an equal amount of grinding to NOTE: When tipping the unit, empty the fuel tank and prevent an unbalanced blade. An unbalanced blade will keep the air cleaner side of engine up.
  • Page 15 Belt Keeper Hex Lock Nut Figure 20 • Squeeze the belt together and push it forward, while pressing the control arm inward towards the deck and remove the six speed cable from the slot. See Figure 21. Six-Speed Belt Cable Slot Control Figure 18 •...

  • Page 16: Storing Your Lawn Mower

    NOTE: Mower is shown tipped on engine for clarity. Remember, only tip mower back on its handle with the spark plug facing up. Otherwise, oil will spill if turned Upper Pulley upside down. Half • Replace the large baffle. Refer to Figure 19. Belt •...

  • Page 17: Troubleshooting

    SECTION 8: TROUBLE SHOOTING GUIDE Problem Cause Remedy Engine fails to start 1. Blade control handle disengaged. 1. Engage blade control handle. 2. Spark plug wire disconnected. 2. Connect wire to spark plug. 3. Fuel tank empty or stale fuel. 3.

  • Page 18: Illustrated Parts List

    SECTION 9: PARTS LIST FOR MODEL 387 11 13...
  • Page 19 Model 387 Ref. Ref. Part No. Description Part No. Description 732-0627 Shift Lever Spring 710-0351 Screw Mach. B Tapp 712-0324 Top Lock Nut 712-0400 U-Nut 731-0924 6-Speed Shift Lever 731-1639 Baffle 749-0439D Upper Handle 710-1220 Screw HL 12-24 731-0906 Cable Mounting Cover 710-0653 Tap Screw 1/4-20 710-1667A...
  • Page 20 Model 387 Front Axle Assembly & Height Adjuster Ref. Part No. Description 611-0060 Front Axle Assembly 710-1348 AB Pan Scr. 1/4-14 x.50 Lg. 714-0104 Cotter Pin.072 x 1.12 Lg. 732-0820 Extension Spring 747-0920A Adj. Rod 736-0105 Bell Washer 738-0102 Shl. Bolt.498 x 1.445 3/8-16 734-2014A Wheel Ass’y - Complete 731-0982A...
  • Page 21 Model 387 Ref. Ref. Part No. Part Description Part No. Part Description 618-0263A Transmission Assembly Complete 720-0223 Grip 732-0803A Spring Lever 710-0604A Hex Screw 5/16-18 738-0529 Shoulder Nut.825 x.165 Lg. 713-0453 Chain 710-0751 Cap Screw 1/4-20 x.620 638-0012 Rear Axle Assembly 741-0522 Flange Bearing.506 ID x.715 Lg 736-0270...

  • Page 22: Kawasaki Engine

    Engine Manual for Kawasaki Engine SAFETY AWARENESS WARNING: Whenever you see the symbols shown on the left, heed their instructions! Always follow safe operating and maintenance practices. FORWARD We wish to thank you for purchasing this Kawasaki engine. Please read this Owner's manual carefully before starting your new engine so that you will be thoroughly familiar with the proper operation of your engine's control, its features, capabilities and limitations.

  • Page 23: Emission Control Information

    READ THIS FIRST WARNING: Never allow children to operate the engine or equipment. Keep people and pets out of area where you are using the engine or equipment. Never wear loose, torn, or bulky clothing. It may catch on moving parts or controls, leading to the risk of accident.
  • Page 24 A sealed-type crankcase emission control system is necessary to ensure compliance with the applicable also used to eliminate blow-by gasses. The blow-by standards. gasses are led to a breather chamber through the As the owner of the engine, you have the responsibility crankcase and from there to the air cleaner.

  • Page 25: General Information

    General Information Location of Safety Related Labels Figure 3 A. Fuel Tank Cap B. Fuel Tank (capacity 2.0L [0.528US gal.]) Figure 1 C. Fuel Tube a. Warning D. Carburetor b. Engine Maintenance E. Priming Pump F. Air Cleaner G. Recoil starter H.

  • Page 26: Fuel And Oil Recommendations

    Fuel And Oil Recommendations -20°C -10°C 0°C 10°C 20°C 30°C 40°C SAE 40 Fuel Use only clean, fresh, unleaded regular grade SAE 30 gasoline. SAE 10W-30/10W-40 Octane Rating The octane rating of a gasoline is a measure of its SAE 5W-20 resistance to "knocking".Use a minimum of 87 octane of the antiknock index is recommended.

  • Page 27: Starting

    CAUTION: The engine is shipped without • DO NOT let the recoil starter grip snap back engine oil. itself. This may cause damage to the recoil starter assembly. • Hold the brake control lever (A) on the equipment against the handle (B) on the equipment. •...

  • Page 28: Adjustment

    Adjustment B. Handle Engine Speed Adjustment NOTE: Do not tamper with the governor setting or the carburetor setting to increase the engine speed. Each carburetor is adjusted at the factory with either a cap or stop plate installed on the mixture screw. Any adjustments must performed...

  • Page 29: Air Cleaner Service

    Refilling Fresh Oil • Put the mower back to its operating position (on all four wheels). • Remove dipstick and refill with new oil (See FUEL AND OIL RECOMMENDATIONS chapter). Dipstick NOTE: If you followed the second method of draining oil, the dipstick is already removed from the engine.

  • Page 30: Spark Plug Service

    A. Fasteners A. Slit in the air cleaner body B. Recoil Starter B. Projection on the air cleaner case C. Air Cleaner Case C. Fasteners D. Air Cleaner body CAUTION: After servicing the air cleaner, be sure all the removed parts are reinstalled properly in E.

  • Page 31: Storage

    Storage Engine to be stored over 30 days should be completely drained of fuel (gasoline) to prevent gum deposits forming on essential carburetor parts and fuel system. WARNING: Gasoline is extremely flammable and can be explosive under certain conditions. Drain gasoline before storing the equipment for extended periods.

  • Page 32: Troubleshooting Guide

    Troubleshooting Guide Symptom Probable Cause Remedy Engine won't start Insufficient Faulty piston, cylinder, piston ring, 1. Tighten properly output is low compression and head gasket Faulty valves 2. Tighten properly Loose spark plug 3. Tighten properly Loose cylinder head bolts 4.
  • Page 33 Kawasaki Limited Warranty: California And Federal Emission Control Systems: Small Off-Road Engines The California Air Resources Board, the Environmental Protection Agency (EPA), and Kawasaki Motors Corp., U.S.A. (hereinafter "Kawasaki") are pleased to explain the Emission Control Systems Warranty on your Kawasaki small off-road engine. In California and other states, new small off- road engines must be designed, built and equipped to meet stringent anti-smog standards.
  • Page 34 NOTES...
  • Page 35 NOTES...

  • Page 36: Warranty

    MANUFACTURER’S LIMITED WARRANTY FOR: The limited warranty set forth below is given by Cub Cadet possessions and territories, except those sold through LLC with respect to new merchandise purchased and used in Cub Cadet’s authorized channels of export the United States, its possessions and territories.

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