Exmark 850 manuale d’uso

COMMERCIAL 21 For Serial Nos. 850,000 & Higher Part No. 4500-674 Rev . A[...]

W ARNING CALIFORNIA Proposition 65 W ar ning The engine exhaust from this product contains chemicals known to the State of Califor nia to cause cancer , birth 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) Sec[...]

Introduction CONGRATULATIONS on the purchase of y our Exmark Mow er . T his product has been carefully designed and manufactured to giv e 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,[...]

Contents Introduction .. . . .. . . .. . . .. . . .. . . .. . . .. . . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. 3 Safety .. . . .. . . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . . .. . . .. . . .. . . .. . . .. . 5 Safety Alert Symbol . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . . .. . 5[...]

Safety Safety Safety Alert Symbol This lawn mo wer meets or ex ceeds the Consumer Product Safety Commission 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 mo wer to offer reasonably safe ser[...]

Safety • Inspect the area where the equipment is to be used and remov e all roc ks , to ys , stic ks , wires , bones , and other foreign objects whic h can be thrown b y the mac hine and ma y cause personal injur y to the operator or b ystanders . DANGER In certain conditions gasoline is extremely ammable and v apors are explosi v e. A re o[...]

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

Safety • Do Not operate the mow er under the inuence of alcohol or dr ugs . • Use extreme care when loading or unloading the machine into a trailer or tr uc k. • Use care when approac hing blind cor ners , shr ubs , trees , or other objects that ma y obscure vision. Slope Operation Use Extreme caution when mo wing and/or turning on slopes [...]

Safety Safety and Instructional Decals • Keep all safety signs legible . Remo 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 cur rent safety signs are afx ed to the replaced components . • If an[...]

Safety 109-8194 EC21KABBCY , EC21KABBCCA 1. Fast 3. Slow 2. Continuous variable setting 4. Engine—stop 109-9317 1 16-1922 1 16-2685 1 17-2718 1 16-1900 10[...]

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

Specications Specications Model Numbers Serial Nos: 850,000 and Higher EC21ASHN; EC21ASKA; EC21ASKAP; EC21HNBBC; EC21HNBBCX; EC21KA; EC21KA CA; EC21KAX; EC21KA Y ; EC21KABBC; EC21KABBCCA; EC21KABBCX; EC21KABBCY Systems Engine • Engine Specications: See y our Engine Owner’ s Manual • RPM: 3000 (No Load): EC21ASHN • RPM: 3300 (No Loa[...]

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[...]

Operation Throttle-Choke Lever (EC21KABBCX, EC21KABBCY , EC21KABBCCA) Located on the left side of the engine as sho wn in Figure 11. The lever is used to control engine speed. Moving the throttle to the full forw ard (Choke) position will place the lev er in the c hoke position. The chok e aids in starting a cold engine . Mo ving the throttle contr[...]

Operation Figure 7 Honda Unit 1. Air cleaner 3. Fuel cap 2. Fuel valve On EC21KA, EC21KABBC , EC21KAX, EC21KA Y , EC21KABBCX, EC21KABBCY , and EC21ASHN units , rotate the valv e 1/4 turn cloc kwise to shut off fuel. R otate the v alv e 1/4 turn counterclockwise to turn on fuel. Figure 8 1. Rotate clockwise to close 2. Rotate counterclockwise to ope[...]

Operation 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. Engine stop switch (if equipped) 6. Air lter 7. Choke 8. Spark plug Figure 1 1 Kawasaki units with large fuel tank shown 1. Mufer 2. Oil ll/dipstick 3. Recoil starter [...]

Operation EC21KABBCCA, EC21KABBCX, and EC21KABBCY : Mov e the throttle to the (Stop) position to kill the engine . EC21KABBC , EC21HNBBCX, and EC21HNBBC: Press the switch to “STOP” to kill the engine (see Figure 5). Note: If the blade does not stop within 3 seconds after releasing the blade control bail, contact an A uthorized Ser vice Dealer .[...]

Operation Figure 14 1. Mulch plug 3. Lip 2. Discharge door 4. Mower housing 4. Low er the discharge door . • R emoving the Mulc h Plug: Note: When g rass is thic k and lush, clippings may collect on and around the discharge tunnel plug . This may mak e it difcult to remov e the plug . Clean the plug thoroughly after each use . 1. T o remov e t[...]

Operation DANGER If the blade brak e clutch system is inoperativ e, 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 before each use. • Never use the BBC-equipped lawn mower with an inoperati ve safety system. • T ak e y our la[...]

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[...]

Operation Operating Tips • R eview the Safety section and read this man ual carefully before operating the lawn mow er . • Set the engine speed to the fastest position for the best cutting results . • Maintain a sharp blade throughout the cutting season. P eriodically le do wn nicks on the blade . R eplace the blade when necessar y with an[...]

Maintenance Maintenance Note: Deter mine the left and right sides of the machine from the nor mal operating position. W ARNING If y ou lea ve the wire on the spark plug , someone could accidentally star t the engine. Accidental star ting of the engine could seriously injure y ou or other bystanders. Disconnect the wire from the spark plug before y [...]

Maintenance Maintenance Ser vice Inter v al Maintenance Procedure Every 100 hours • Chang e the oil lter (EC21KA, EC21KABBC , EC21KAX, EC21KA Y , EC21KABBCX, EC21KABBCY , EC21KA CA, and EC21KABBCCA Units). • Check the spark plugs . • Clean the fuel lter element. Every 250 hours • Replace the air lter elements (EC21ASHN Units). (Ma [...]

Maintenance R efer to Checking the Blade Brake Clutch in the Operating Instructions section. Check the Mower Blade Service Interval: Before each use or daily Alwa ys mo w with a sharp blade . A sharp blade cuts cleanly and without tearing or shredding the grass blade. 1. Stop the engine and w ait for all moving parts to stop . 2. Disconnect the wir[...]

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 neithe[...]

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[...]

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 w ait for all moving parts to stop . 2. Disconnect the wire from the spark plug (Figure 10). 3. Press down on the latch tabs on top of the air cleaner cov er . Figure 28 1. Cover 4. [...]

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 prev ent dirt 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 replace them i[...]

Maintenance Change Oil Filter (EC21KA, EC21KABBC, EC21KAX, EC21KA Y , EC21KABBCX, EC21KABBCY , EC21KACA, and EC21KABBCCA) Service Interval: Every 100 hours 1. R un the engine to w ar m the oil. 2. Stop the engine and w ait for all moving parts to stop . 3. Disconnect the wire from the spark plug . 4. Drain the engine oil. 5. Place a rag under the o[...]

Maintenance The fuel lter (screen) element is located inside the fuel tank (if applicable). Note: The EC21ASHN does not ha ve a remo vable fuel tank. 1. Stop the engine and w ait for it to cool do wn. Note: Drain gasoline for a cold engine only . 2. Disconnect the wire from the spark plug (Figure 11). 3. Close the fuel valv e . 4. Disconnect the[...]

Maintenance cable n uts clockwise . T o maximize belt life , Do Not o vertighten the belt. If the la wn mo wer creeps forw ard without the bail engag ed, loosen the belt b y turning the driv e cable n uts countercloc kwise. Figure 33 1. Adjustment of drive cable nuts 4. R einstall the belt cov er by pushing do wn on the rear rst and then snappin[...]

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

Maintenance Cleaning Under the Belt Cover (Self-Propelled Units Only) Service Interval: Every 50 hours 1. Stop the engine and w ait for all moving parts to stop . 2. Disconnect the wire from the spark plug (see Figure 10 and Figure 11). 3. Pull upward on the bac k of the cov er to unsnap the front and bac k co ver tabs (see Figure 32). 4. Lift off [...]

Maintenance Figure 37 1. Blade bolt 4. Cover plate 2. Blade support 5. Screw 3. Blade 6. R emov e the three screws holding the cov er plate onto the unit (see Figure 37). 7. R emov e the cov er plate and br ush or blow all the debris from under the plate. 8. R einstall the cov er plate and tor que the screws to 35-45 ft-lb (47-61 N-m). 9. Install t[...]

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

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 o verlook the simple causes . F or example: star ting problems could be caused by an empty fuel tank. The following table lists some of the common causes [...]

T roubleshooting Problem Possible Cause Cor rectiv e Action 1. The self-propel driv e cable is out of adjustment or is damaged. 1. Adjust the self-propel drive cable. R eplace the cable if necessary . Lawn mower does not self-propel (Self-Propelled Units Only) 2. There is debris under the belt co ver . 2. Clean the debris from under the belt cov er[...]

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[...]

Service Record Date: Description of Work Done: Service Done By: 39[...]

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[...]