Exmark Metro 21 - Manuals

1 All Rights Reserved Printed in the USA This spark ignition system complies with CanadianICES-002. Ce système d’allumage par étincelle de véhicule estconforme à la norme NMB-002 du Canada. The enclosed Engine Owner’s Manual is supplied forinformation regarding The U.S. EnvironmentalProtection Agenc...

2 This manual identifies potential hazards and has specialsafety messages that help you and others avoid personalinjury and even death. Danger, Warning, and Caution aresignal words used to identify the level of hazard.However, regardless of the hazard, be extremely careful. Danger signals an extreme...

3 • Slow down on hillsides. Be sure to travel side to sideon hillsides. Turf conditions can affect the machine’sstability. Use caution while operating near drop-offs. • Do not change the engine governor setting oroverspeed the engine. • Stop on level ground and shut off engine beforeleaving the oper...

4 Safety and Instruction Decals Safety decals and instructions are easily visible to the operator and are located near anyarea of potential danger. Replace any decal that is damaged or lost. 1-213242 (Self-propel model only) 39-5770 52-2610 (Hand-push model only) 52-2620 (Self-propel model only) 68-...

5 104-1329 104-8585 Assembly Note: Determine the left and right sides of the machine from the normal operating position. Loose Parts DESCRIPTION QTY. USE Handle Bolts, 5/16–18 x 1-1/4 in. Bolts, 5/16–18 x 1-1/2 in. Carriage bolt Washers Locknuts Thin nylon insert locknuts Bag support rod Bag alignin...

6 Installing the Handle 1. Mount the handle to the outside of the lawn mower housing (using the bottom hole) with two 5/16–18 x1–1/4 in. bolts, washers, and thin nylon insert locknuts(Fig. 1). m-3850 1 3 4 7 2 5 6 9 8 10 11 12 Figure 1 1. Bag support rod 2. Carriage bolt 3. Bag aligning plate 4. Cap...

7 3. Push the plug all the way in until the spring clip on the bottom of the plug clicks into place, locking the plugsecurely into the discharge tunnel (Fig. 4). m–275 1 Figure 4 1. Spring clip 4. Release the discharge door handle to lock the top of the plug. Before Starting Filling the Crankcase wi...

9 Operation Note: Determine the left and right sides of the machinefrom the normal operating position. Each time before you mow, ensure that the self-propeldrive and the control bar operate properly. When yourelease the control bar, the engine and the blade shouldstop within 3 seconds. If they do no...

10 Using the Self-propel Drive Self-propel Model only The lawn mower has three ground speeds. 1 is slow, 2 ismedium, and 3 is fast. The ground speed control is locatedat the rear of the belt cover (Fig. 9). 224 1 Figure 9 1. Ground speed control 1. Move the ground speed control to the (Neutral) posi...

11 2. Release the wheel height adjustment lever and seat it securely in the notch. 3. Adjust all the wheels to the same cutting height setting. Using the Grass Bag Occasionally, you may want to use the grass bag forbagging extra long grass, lush grass, or leaves. Installing the Grass Bag 1. Stop the...

12 Danger If the discharge door does not close completely,the lawn mower could throw objects, causingserious personal injury or death. If you cannot close the door because the grassclippings clog the discharge area, stop the engineand gently move the discharge door handle backand forth until you can...

13 • Cut the grass more frequently. • Overlap cutting swaths instead of cutting a full swathwith each pass. • Set the cutting height on the front wheels one notchlower than the rear wheels. For example, set the frontwheels at 2-1/4 inches (5.7 cm) and the rear wheels at2-3/4 inches (7.0 cm). Cutting...

14 Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule Maintenance Service Interval Maintenance Procedure Each Use • Check the engine oil level. Refer to Checking the Engine Oil Level on page 15. • Check the stoppin...

15 Caution If you leave the wire on the spark plug, someone could accidently start the engine and seriouslyinjure you or other bystanders. Disconnect the wire from the spark plug before you do any maintenance. Set the wire aside sothat it does not accidently contact the spark plug. Checking the Engi...

16 Cleaning the Discharge Tunneland Plug Remove the plug from the discharge tunnel and clean itafter each use. Always ensure that the discharge tunnel door closessecurely when you release the handle. If the debrisprevents the discharge door from closing securely, cleanthe inside of the discharge tun...

17 12. Wipe dirt from the base and the cover with a moist rag. Note: Be careful to prevent dirt and debris fromentering the air duct leading to the carburetor. 13. Install the air cleaner elements and ensure that they are properly positioned. 14. Securely install the cover with the 2 wing bolts. Mai...

18 Sharpening the Blade File the top side of the blade to maintain its originalcutting angle (Fig. 19A) and inner cutting edge radius(Fig. 19B). The blade will remain balanced if you removethe same amount of material from both cutting edges. 153 1 m4783 2 A B Figure 19 1. Sharpen at this angle only ...

19 Lubricating the Pivot Arms Self-propel Model only After every 25 operating hours or when the season ends,lubricate the pivot arms. 1. Move the rear wheel cutting height levers to the center setting. 2. Wipe the grease fittings with a clean rag (Fig. 22). m-232 1 Figure 22 1. Grease fitting 3. Ins...

20 11. Wipe up any spilled oil. 12. Connect the wire to the spark plug. 13. Recycle the used oil according to local codes. Servicing the Spark Plug Check the spark plug after every 100 operating hours oryearly; replace it after every 250 operating hours or every2 years. Use an NGK BPR5ES or Nipponde...

21 4. To adjust the cable, do the following: Hand-push Model A. Loosen the jam nut on the blade brake cable (Fig. 27). 483 1 2 3 4 5 6 Figure 27 1. Handle 2. Brake lever 3. 3/16 to 1/4 in. (5 to 6 mm) 4. Cable adjuster 5. Jam nut 6. cable conduit B. Insert a 3/16 to 1/4 in. (5 to 6 mm) object betwee...

22 6. Install the two bolts and two locknuts previously removed in the remaining holes in the wheel halvesand tighten. Remove the two long bolts and replacethem with two bolts and two locknuts (Fig. 29). 7. Install the wheel to the pivot arm with the bolts, a spacer, and a locknut. Ensure that the s...

23 Troubleshooting Exmark designed and built your lawn mower for trouble-free operation. Check the following components and itemscarefully, and refer to Maintenance on page 14 for more information. If a problem continues, contact an AuthorizedService Dealer. Problem Possible Causes Corrective Action...

Date Description Work Done Service Done By SERVICE RECORD

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