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 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 361131 Cleveland,
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(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 361131 Cleveland, Ohio 44136-0019. MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019 PRINTED IN U.S.A FORM NO. 769-01710...
Edger/Trencher. This information will be necessary to use the manufacturer’s web site and/or help from the Customer MTD LLC Support Department or an authorized service dealer. P. O. BOX 361131...
Safety Labels Please take a moment to review your safety labels. 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 man- ual before attempting to operate this machine.
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. DANGER: This machine was built to be operated according to the rules for safe operation in this manual.
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which can ignite. Washer your skin and change clothes for damage (e.g., bent, cracked, worn) Replace blade with the original equipment manufacture’s (O.E.M.) blade only, immediately. listed in this manual. “Use of parts which do not meet the 10. Do not put hands or feet near rotating parts. Contact with original equipment specifications may lead to improper the rotating blade can amputate hands and feet.
Securing the Handle Upper Handle IMPORTANT: This unit is shipped WITHOUT GASOLINE. After setting up the unit, service engine with gasoline as instructed in the separate engine manual packed with your unit. Be sure to service engine with the oil enclosed with this unit as instructed in the separate engine manual.
Starter Rope / Recoil Starter Blade Control Blade Depth Control Lever (Transport Position Shown) Know Your Edger Bevel Adjustment Lever Curb Height Adjustment Lever WARNING: Primer Belt Guard Be familiar with all controls and their proper operation. Know how to Figure 3 stop the machine and WARNING:...
The operation of any edger can result Allow the starter handle to slowly return to the eyebolt. in foreign objects being thrown into the NOTE: If the engine fails to start after three pulls, depress eyes, which can result in severe eye the primer an additional two times before pulling the starter damage.
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WARNING: Rotating cutting blade may Flange Lock Nut throw objects causing personal injury. Keep area clear of bystanders and do not operate without guards in place. Operation Bevel Adjustment Lever Engine Flywheel Pulley Belt Guard Adjustment Figure 7 Working in front of the edger, loosen the flange lock nut on top of frame, allowing the idler pulley assembly to pivot slightly out from the Blade Plate Assembly...
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Operation Curb Height Adjustment Flange Nut Lever Edger Blade Adjustment (Normal Operating Position) Flat Washer Figure 12 Tri-star Blade IMPORTANT: For best results, proceed slowly along the Figure 10 path being trenched, slowly moving the edger back and Use two wrenches (one wrench to prevent the forth through the cutting area.
WARNING: Disconnect the spark Flange Lock Nut plug wire and ground against the engine before performing any adjust- Engine ment, repairs or maintenance. Flywheel Pulley Lubrication Maintaining Engine & Servicing Refer to the Engine Manual packed with your edger for a detailed description of all engine-related service specifications.
the engine flywheel pulley. IMPORTANT: Make certain that the “V” side of the belt Remove the spindle sheaves belt guard by is seated into the top pulley and the flat side of the belt is removing the two self-tapping screws which seated into the bottom pulley.
Refer to the Engine Manual packed with your unit. www.mtdproducts.com Excessive Vibration Edger blade bent or damaged Replace edger blade. Blade spindle bent or damaged Contact an authorized MTD service dealer. Drivebelt Slips Belt worn or stretched Replace drive belt.
Part List: Tri-Star Trencher Blade & Flat Washer Spindle Assembly Model 554 For parts and/or accessories please call 1-800-800-7310, or 1-330-220-4683. www.mtdproducts.com V-BELTS are specially designed to engage and disen- gage safely. A substitute (non-OEM) V-Belt can be dangerous by not disengaging completely.
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Part List: Handle/Frame/ Wheel Assembly Model 554 For parts and/or accessories please call 1-800-800-7310, or 1-330-220-4683. www.mtdproducts.com PART NUMBER DESCRIPTION PART NUMBER DESCRIPTION 710-0191 Screw 3/8-24 749-04183 Upper Handle 710-0411 Screw 3/8-16 749-04184 Lower Handle 710-0654A Screw, 3/8-16 781-0741A Depth Index Bracket...
MANUFACTURER’S LIMITED WARRANTY FOR The limited warranty set forth below is given by MTD LLC with respect to e. MTD does not extend any warranty for products sold or exported new merchandise purchased and used in the United States, its posses- outside of the United States, its possessions and territories, except sions and territories.
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