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Exmark 4500-686 Rev. B manual

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Table of contents for the manual

  • Page 1

    COMMERCIAL 21 For Serial Nos. 920,000 & Higher Part No. 4500-686 Rev . B[...]

  • Page 2

    W ARNING CALIFORNIA Proposition 65 W ar ning The engine exhaust from this product contains chemicals kno wn to the State of Califor nia to cause cancer , bir th defects, or other reproductiv e har m. Important: The engine in this product is not equipped with a spark arr ester mufer . It is a violation of Califor nia Public Resource Code (CPRC) S[...]

  • Page 3

    Introduction CONGRATULATIONS on the purc hase of your Exmark Mo wer . This product has been carefully designed and man ufactured to gi ve you a maximum amount of dependability and years of trouble-free operation. This manual contains operating, maintenance , adjustment, and safety instr uctions for your Exmark mow er . BEFORE OPERATING Y OUR MO WER[...]

  • Page 4

    Contents Introduction . . .. . . . .. . . .. . . .. . . . .. . . .. . . . .. . . .. . . . .. . . .. . . . .. . . .. . . .. . . 3 Safety .. . . . .. . . .. . . . .. . . .. . . . .. . . .. . . .. . . . .. . . .. . . . .. . . .. . . . .. . . .. . . . .. . . .. 5 Safety Aler t Symbol . . .. . . .. . . . .. . . .. . . .. . . . .. . . .. . . . .. . . .. [...]

  • Page 5

    Safety Safety Safety Alert Symbol This lawn mo wer meets or ex ceeds the Consumer Product Safety Commission (CPSC) blade safety requirements for walk-behind rotar y mo wers and the B71.4 specications of the American National Standards Institute in effect at the time of production. Exmark designed and tested this lawn mow er to offer reasonably s[...]

  • Page 6

    Safety • Inspect the area where the equipment is to be used and remo ve all rocks , to ys , sticks , wires , bones , and other foreign objects which can be thrown b y the machine and ma y cause personal injur y to the operator or bystanders . DANGER In certain conditions gasoline is extremely ammable and v apors are explosive. A re or explo[...]

  • Page 7

    Safety Operation W ARNING Operating engine par ts, especially the mufer , become extremely hot. Sev ere bur ns can occur on contact and de bris, such as leav es, grass, br ush, etc. can catch re. • Allow engine par ts, especially the muf er , to cool before touching . • Remo ve accumulated de bris from mufer and engine area. • Ins[...]

  • Page 8

    Safety • Use extreme care when loading or unloading the machine into a trailer or truck. • Use care when approac hing blind corners , shr ubs , trees , or other objects that ma y obscure vision. Slope Operation Use Extreme caution when mo wing and/or tur ning on slopes as loss of traction and/or tip-ov er could occur . T he operator is responsi[...]

  • Page 9

    Safety Safety and Instructional Decals • Keep all safety signs legible. R emo ve all grease, dirt and debris from safety signs and instructional labels . • R eplace all w or n, damaged, or missing safety signs . • When replacement components are installed, be sure that current safety signs are afx ed to the replaced components . • If an [...]

  • Page 10

    Safety 109-9317 1 16-1922 1 16-2685 1 17–2718 1 16-1900 10[...]

  • Page 11

    Safety 1 16-2737 1 1[...]

  • Page 12

    Specications Specications Model Numbers Serial Nos: 920,000 and Higher ECSKAP21; ECSKA21; ECSHN21; ECXKA21; ECXHN21; ECXKABBC21; ECXHNBBC21 Systems Engine • Engine Specications: See your Engine Owner’ s Manual • Engine Oil T ype: Exmark 4–Cycle Premium Engine Oil • RPM: – ECSHN21: 3000 RPM (No Load) – All units ex cept ECSHN2[...]

  • Page 13

    Operation Product Overview Figure 3 1. Grass bag 5. Discharge door 2. Handle 6. Rear wheel height adjustment 3. Drive Bail (Self-Propelled Units Only) 7. Front wheel height adjuster 4. Blade Control Bail Operation Note: Deter mine the left and right sides of the machine from the nor mal operating position. Controls Blade Control Bail Located on the[...]

  • Page 14

    Operation Throttle-Choke Lever (ECXHN21) Located on the left side of the handle bar . The lev er is used to control engine speed. Moving the throttle to the full forw ard (Choke) position will place the lever in the choke position. The chok e aids in starting a cold engine . Mo ving the throttle control forward will increase engine speed and moving[...]

  • Page 15

    Operation Figure 7 Honda Unit 1. Air cleaner 3. Fuel cap 2. Fuel valve On ECXKA21, ECXKABBC21, and ECSHN21 units , rotate the valv e 1/4 tur n clockwise to shut off fuel. R otate the v alve 1/4 turn counterclockwise to turn on fuel. Figure 8 1. Rotate clockwise to close 2. Rotate counterclockwise to open On ECXHN21 and ECXHNBBC21 units , the fuel s[...]

  • Page 16

    Operation Open the Fuel Shut-Off V alve R otate the valv e 1/4 turn countercloc kwise to turn the fuel on (if equipped). Starting the Engine 1. Connect the wire to the spark plug . Figure 10 Honda unit 1. Mufer 2. Oil ll/dipstick 3. Fuel tank cap (fuel tank varies) 4. Recoil starter handle (located on handle bar for zone start units) 5. Engin[...]

  • Page 17

    Operation 5. Pull the starter handle lightly until you feel resistance, then pull it sharply . Allo w the rope to return slo wly . 6. F or ECXHN21 Units: Gradually push in the chok e control as the engine warms up . Stopping the Engine 1. Bring the unit to a full stop . • F or units without a Blade Brak e Clutch: R elease the blade control bail. [...]

  • Page 18

    Operation 2. R emov e the g rass bag if it is on the mower . 3. Raise the discharge door and insert the mulch plug into the disc harge opening . The lip on the plug will snap into the mower housing . Figure 14 1. Mulch plug 3. Lip 2. Discharge door 4. Mower housing 4. Low er the disc harge door . • R emoving the Mulch Plug: Note: When g rass is t[...]

  • Page 19

    Operation DANGER If the blade brak e clutch system is inoperati ve, the blade will contin ue to rotate when y ou release the blade control bail. Contact with the blade could occur , causing serious injur y . • Check the BBC operation befor e each use. • Never use the BBC-equipped lawn mo wer with an inoperative safety system. • T ak e y our l[...]

  • Page 20

    Operation Figure 17 1. Front wheel shaft assembly 4. Front quadrant block cut heights 2. Pull up 5. Pull outward 3. Height adjuster 6. Shaft groove 2. Insert the front wheel shaft assembly into the desired cut height setting in the front quadrant block. Low er the height adjuster into the g roo ve on the front wheel shaft. Pull and push the wheel s[...]

  • Page 21

    Operation DANGER If the discharge door does not close completely , the lawn mo wer could throw objects. Thrown objects can result in serious personal injur y or death to the operator or bystander s. • Never open the door to the discharge opening when the engine is running . • If y ou cannot close the door because the grass clippings clo g the d[...]

  • Page 22

    Maintenance Maintenance Note: Deter mine the left and right sides of the machine from the nor mal operating position. W ARNING If y ou leave the wire on the spark plug, someone could accidentally start the engine. Accidental star ting of the engine could seriousl y injur e you or other bystanders. Disconnect the wire from the spark plug bef ore y o[...]

  • Page 23

    Maintenance Maintenance Ser vice Inter v al Maintenance Procedur e Every 250 hours • Replace the air lter elements (ECSHN21 Units). (May need more often if they are damaged or ex cessiv ely dirty .) • Replace the air lter elements (ECXHNBBC21 and ECXHN21 Units). (May need more often if they are damaged or ex cessiv ely dirty .) Every 300 [...]

  • Page 24

    Maintenance Check the Mower Blade Service Interval: Before each use or daily Alwa ys mow with a sharp blade. A sharp blade cuts cleanly and without tearing or shredding the g rass blade. 1. Stop the engine and wait for all mo ving parts to stop . 2. Disconnect the wire from the spark plug ( Figure 10 and Figure 11). 3. Drain the g asoline from the [...]

  • Page 25

    Maintenance Figure 23 1. Inner cutting edge radius 2. Cutting angle C. Chec k the balance of the blade b y placing the center hole of the blade o ver a nail or screwdri ver shank clamped horizontally in a vise ( Figure 24). If either end of the blade rotates do wnward, le that end (not the cutting edge). The blade is properly balanced when neith[...]

  • Page 26

    Maintenance Service Air Filter (Kawasaki Units) Service Interval: Every 25 hours—Clean the foam pre-cleaner (Kawasaki Units). Every 300 hours— Replace the paper air lter (Kawasaki Units). (May need more often in dusty conditions. See the Engine manual for additional information.) Note: Do Not operate the engine without the air lter assemb[...]

  • Page 27

    Maintenance damaged or excessively dirty .) Note: Do Not operate the engine without the air cleaner assembly; extreme engine damage will occur . 1. Stop the engine and wait for all mo ving parts to stop . 2. Disconnect the wire from the spark plug ( Figure 10). 3. Press do wn on the latch tabs on top of the air cleaner cov er . Figure 28 1. Cover 4[...]

  • Page 28

    Maintenance Figure 29 1. Wing nuts 4. Foam element 2. Cover 5. Base 3. Paper element 4. R emov e the cov er . Note: Be careful to prevent dir t and debris from falling into the base. 5. R emov e the foam and paper elements from the base. 6. R emov e the foam element from the paper element. 7. Inspect the foam and paper elements, and re place them i[...]

  • Page 29

    Maintenance 13. Connect the wire to the spark plug . 14. R ecycle the used oil according to local codes . Change Oil Filter (ECXKA21 and ECXKABBC21) Service Interval: Every 100 hours 1. R un the engine to warm the oil. 2. Stop the engine and wait for all mo ving parts to stop . 3. Disconnect the wire from the spark plug . 4. Drain the engine oil. 5[...]

  • Page 30

    Maintenance The fuel lter (screen) element is located inside the fuel tank (if applicable). Note: The ECSHN21 does not ha ve a remo vable fuel tank. 1. Stop the engine and wait for it to cool do wn. Note: Drain g asoline for a cold engine only . 2. Disconnect the wire from the spark plug ( Figure 11). 3. Close the fuel valv e . 4. Disconnect the[...]

  • Page 31

    Maintenance 3. If the la wn mo wer does not self propel with bail engag ed, tighten the belt by turning the dri ve cable nuts cloc kwise. T o maximize belt life , Do Not ov er tighten the belt. If the la wn mo wer creeps forward without the bail engag ed, loosen the belt by turning the drive cable nuts countercloc kwise. Figure 33 1. Adjustment of [...]

  • Page 32

    Maintenance Cleaning Clean Grass Build-Up Under Deck Service Interval: Before each use or daily 1. Stop engine, wait for all moving parts to stop , and remov e spark plug wire . 2. T o ensure the best performance, k eep the underside of the la wn mo wer housing clean. CAUTION The mower may dislodge material from under the mo wer housing . • W ear[...]

  • Page 33

    Maintenance 2. Disconnect the wire from the spark plug (see Figure 10 and Figure 11). 3. Pull upward on the bac k of the co v er to unsnap the front and bac k co ver tabs (see Figure 32). 4. Lift off the co ver and brush out all the debris around the belt area. 5. Install the belt cov er by pushing do wn on the rear rst and then snapping the fro[...]

  • Page 34

    Maintenance 8. R einstall the cov er plate and torque the screws to 35-45 ft-lb (47-61 N-m). 9. Install the blade, blade support, and the blade bolt. 10. T ur n the la wn mow er upright. 11. Connect the wire to the spark plug . W aste Disposal Motor Oil Disposal Engine oil and h ydraulic oil are both pollutants to the environment. Dispose of used o[...]

  • Page 35

    Storage Storage Preparing the Fuel System T o prepare the lawn mo wer for off season storage, perfor m the recommended maintenance procedures . Store the la wn mo wer in a cool, clean, dry place . Cov er the la wn mower to keep it clean and protected. W ARNING Gasoline can v aporiz e if y ou store it o v er long periods of time. Gasoline vapors can[...]

  • Page 36

    T roubleshooting T roubleshooting Important: It is essential that all operator safety mechanisms be connected and in proper operating condition prior to mow er use. When a problem occurs , Do Not ov erlook the simple causes . F or example: starting problems could be caused by an empty fuel tank. The following table lists some of the common causes o[...]

  • Page 37

    T roubleshooting Problem Possible Cause Cor rectiv e Action 1. The self-propel drive cable is out of adjustment or is damag ed. 1. Adjust the self-propel drive cable. Replace the cable if necessary . Lawn mow er does not self-propel. (Self-Propel Units Only) 2. There is debris under the belt cover . 2. Clean the debris from under the belt cov er . [...]

  • Page 38

    Conditions and Products Co vered Exmark Mfg. Co. Inc. and its aff iliate, Exmark W arranty Company , pursuant to an agreement between them, jointly warrant on the terms and conditions herein, that we will repair , replace or adjust any part on these products and found by us (in the ex ercise of our reasonable discretion) to be defect i ve in factor[...]

  • Page 39

    39[...]

  • Page 40

    MID-MOUNT RIDING A CCESSORIES AND OPTIONS SEE EXMARK’S COMPLETE LINE OF A CCESSORIES AND OPTIONS W ALK-BEHIND A CCESSORIES AND OPTIONS GRASS CA TCHER MICRO-MULCH SYSTEM TURF STRIPER ST ANDON CUST OM RIDE SEA T SUSPENSION SYSTEM FULL SUSPENSION SEA T DECK LIFT ASSIST KIT HITCH KIT LIGHT KIT 12 V PO WER PORT MICRO-MULCH SYSTEM OPERA T OR CONTROLLED[...]