• FUEL VAPORS ARE EXTREMELY FLAMMABLE AND MAY CAUSE FIRE AND/OR EXPLOSION. NEVER TEST FOR IGNITION SPARK BY GROUNDING SPARK PLUG NEAR CYLINDER PLUG HOLE, OTHERWISE SERIOUS PERSONAL INJURY MAY RESULT. 13 14 MAINTENANCE AIR FILTER • Clean before use. - Remove air cleaner cover and pull out air filter. - Lightly brush off dust or wash it in water and detergent. - Dry completely before putting it back in place. Fuel tank cap Fuel filter SPARK PLUG • Check periodically. - The standard spark gap is 0.

Loosen two (2) screws (A) and remove center locating screw (B). Pull gear case assembly from drive shaft housing. 2. Set power head / driveshaft so that power head rests on tank stand. 3. Slide new gear case onto drive shaft housing so that gear case rests upright on wheel. IMPORTANT Flat edge of washers (D) must be against drive shaft. 4. Tighten bolts (F), clamping the cutting attachment onto the housing. 5. Install self-tapping screw into locating hole (E) in gear case. IMPORTANT Assure gear

• Keep your body warm, especially the head, neck, feet, ankles, hands and wrists. • Maintain good blood circulation by performing vigorous arm exercises during frequent work breaks and also by not smoking. • Limit the hours of operation. Try to fill each day with jobs where operating the engine drill or other hand-held power equipment is not required. • If you experience discomfort, redness and swelling of the fingers followed by whitening and loss of feeling, consult your physician before furth

• Use of unmixed, improperly mixed, or fuel older than 90 days, (stale fuel), may cause hard starting, poor performance, or severe engine damage and void the product warranty. Read and follow instructions in the Storage section of this manual. DANGER FUEL IS VERY FLAMMABLE. USE EXTREME CARE WHEN MIXING, STORING OR HANDLING OR SERIOUS PERSONAL INJURY MAY RESULT. • USE AN APPROVED FUEL CONTAINER. • DO NOT SMOKE NEAR FUEL. • DO NOT ALLOW FLAMES OR SPARKS NEAR FUEL. • FUEL TANKS/CANS MAY BE UNDER PR

FAILURE TO DO SO COULD RESULT IN SERIOUS INJURY. ECHO, INCORPORATED X750-004 56 0 400 Oakwood Road, Lake Zurich, Illinois 60047-1564 X750409-3400 Phone : 847-540-8400 Printed in Japan 0310Ami 857 ES WARNING Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. Some examples of these chemicals are: • Lead from lead-based paints, • Crystalline s