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Safety • Assembly • Operation • Tips & Techniques • Maintenance • Troubleshooting • Parts Lists • Warranty
OPERATOR’S MANUAL
Lawn Edger — Model Series 521
IMPORTANT
READ SAFETY RULES AND INSTRUCTIONS CAREFULLY BEFORE OPERATION
Warning: This unit is equipped with an internal combustion engine and should not be used on or near any uniiproved 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 la
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This Operator’s Manual is an important part of your new Edger. It will help you assemble, prepare and maintain the unit for best performance. Please read and understand what it says. Table of Contents 1. Safety Labels .................................................. 3 6. Maintaining & Servicing Your Edger ..... 10–11 2. Safe Operation Practices ........................... 4–5 7. Off-Season Storage ...................................... 12 3. Assembling Your New Edger .......................
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Please take a moment to review your safety labels. 1 Safety Labels 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. When you see this symbol. HEED ITS WARNING Your Responsibility Restrict the use of this p
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WARNING: Engine Exhaust, some of its constituents, and certain vehicle compo- nents contain or emit chemicals known to State of California to cause cancer and birth defects or other reproductive harm. 2 DANGER: This machine was built to be operated according to the rules for safe operation in this manual. As with any type of power equipment, carelessness or error on the part of the operator can result in serious injury. This machine is capable of amputating hands and feet and throwing objects
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up and thrown by theblade. Thrown objects sightto cutting bladeis blocked by guards. can cause seriouspersonal injury. 24. Alwaysstop enginewhen edging or 6. Alwayswear safetyglasses or safety goggles trimming isdelayed or when transporting during operation andwhile per forming machine fromone location to another . an adjustment or repair to protectyour Never leave arunning machine unattended. 2 eyes. Thrown objects whichricoch
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Securing the Handle IMPORTANT: This unit is shipped WITHOUT GASOLINE or OIL. After setting up the unit, service engine with gasoline and oil as instructed in the separate engine 1 3 manual packed with your unit. NOTE: Reference to right or left hand side of the edger is observed from the operating position. Assembling Positioning the Edger Handles Your New Remove and discard any packaging cardboard that may be present between the upper handle and the lower Edger handle. 1. Pivot the
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Blade Control 4 Blade Depth Control Lever (Transport Position Shown) Know Your Edger Primer Starter Rope/ Recoil Starter Curb Height WARNING: Adjustment Lever Be familiar with all controls and their proper operation. Know how to stop the machine and disengage them quickly. Figure 4–1 WARNING: Be familiar with all controls Blade Depth Control Lever and their proper operation. Know how The blade depth control lever is located on the right side to stop the machine and disengage of the
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The operation of any edger can result grip on starter handle throughout the entire stroke. in foreign objects being thrown into the 7. Allow the starter handle to slowly return to the eyebolt. eyes, which can result in severe eye NOTE: If the engine fails to start after three pulls, depress damage. Always wear safety glasses or the primer an additional two times before pulling the starter 5 eye shields. We recommend wide vision safety mask rope again. for over spectacles or standard safety
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Edging Along A Curb The right, rear wheel of the edger can be lowered into one 1 of five positions to ease the task of edging along a curb. 5 To adjust the height of curb wheel, proceed as follows: 3 1. Lower the right, rear wheel by moving the curb height Operation adjustment lever slightly to the left. See Fig. 5–2. 2. Pivot the right, rear wheel into an applicable position And in relation to the height of the curb to be edged along. See Fig. 5–2 3. Release the curb height adjustment l
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WARNING: Disconnect the spark plug wire and ground against the engine before performing any adjustment, repairs or maintenance. 6 Lubrication Engine Maintaining Refer to the Engine Manual packed with your edger for a detailed & Servicing description of all engine-related service specifications. Wheels Your Edger Lubricate the wheels and bearings at least once a season with a light oil. Also if the wheels are removed for any reason, lubricate the surface of the axle bolt and the inner
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Replacing the Drive Belt IMPORTANT: To aid in reassembly, note the orientation Flange lock nut of the drive belt on the two idler pulleys and the engine flywheel pulley prior to performing the following steps. 6 Refer to Fig. 6–3. The edger drive belt is subject to wear and should be Maintaining replaced if any signs of cracking, shredding or rotting are present. To replace the belt, proceed as follows: and Servicing 1. Working in front of the edger, loosen the flange lock nut on top of
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Off-Season Storage Notes Observe the following when preparing the edger for long-term storage: 1. Clean and lubricate unit thoroughly as instructed 7 maintenance section of this manual. 2. Refer to the Engine Manual packed separately Off-Season with the edger for engine manufacturers’s storage instructions. 3. Coat the edger blade with chassis grease to prevent Storage rusting and corrosion. 4. Store the edger in a dry, clean area. Do not store next to any corrosive materials, such as law
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Troubleshooting Guide 8 Problem Possible Cause(s) Corrective Action Troubleshooting Dirty air cleaner Refer to the Engine Manual packed with your unit. Engine fails to start Guide Engine needs to be primed Push primer bulb two or three times. Fuel tank empty Fill tank with clean, fresh gasoline. Stale fuel in gasoline tank Drain gasoline and refill tank with clean, fresh gasoline. Spark plug wire disconnected. Connect the spark plug wire to the spark plug. Spark plug fouled Clean, adjust gap o
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33 35 28 39 38 32 27 24 34 29 30 26 36 37 17 31 19 23 25 A 3 18 24 10 13 4 2 9 1 5 8 6 16 4 20 12 22 21 19 11 7 21 14 15 41 61 45 51 A 46 48 50 44 59 53 49 56 52 47 54 40 60 55 58 58 43 57 42
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9 Part List: Ref Part Number Part Description Ref Part Number Part Description Handle/Frame/ 1 710-0870 Hex Head Screw 3/8-16 32 732-0369 Compression Spring Wheel Assembly 2 711-04362 Axle .50 x 3.8 33 746-04052 Control Cable (Tecumseh) Model 521 3 711-04440 Axle .50 x 9.25 34 746-04036 Wheel Adjustment Cable 4 726-0299 Push Cap 1/2” rod 35 747-0976A Blade Control 5 732-04045 Torsion Spring 36 749-04183 Upper Handle 6 734-1987 Wheel 8x1.8 37 749-04234 Lower Handle For parts and/or 7 734-1988
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MANUFACTURER’S LIMITED WARRANTY FOR The limited warranty set forth below is given by MTD LLC with respect e. MTD does not extend any warranty for products sold or exported to new merchandise purchased and used in the United States, its outside of the United States, its possessions and territories, except possessions and territories. those sold through MTD’s authorized channels of export distribution. “MTD” warrants this product against defects in material and workman- f. Replacement parts tha
