How to Operate an MTD String Trimmer
To start the trimmer:
- Check the oil level in the crankcase
- Fill the gas tank with unleaded, fresh, gasoline
- Make sure the on/off stop control in the on position
- If the engine is cold (below 40°F) flip the cold weather switch down to start/closed position, do NOT flip this switch down if it is over 40°
- Completely press and release the primer bulb 10 times, slowly press the bulb until you see fuel in the fuel lines
- Do not squeeze the throttle control, but put the unit into the starting position
- Pull the starter rope out until you feel some resistance, usually around pulls 2-4
- Pull the rope out steadily and quickly
- Repeat this about 5 times, the engine should start.
- If the engine starts and it is cold, flip the cold weather lever
- If the engine starts, squeeze the throttle control to warm up the engine for 15-30 seconds in cold weather 30-60 seconds
To stop the trimmer:
- Release your hand from the throttle control and allow the engine to cool down by idling
- Switch the on/off stop control into the “off” position
Holding the trimmer:
- With a slightly bent right arm, your right hand should be holding the shaft grip
- Your left arm should be straight, and the left hand will be holding the j-handle
- The unit should be held at waist level
- Be sure the cutting attachment is parallel to the ground so that it can contact the grass without having to bend over
Adjust the trimmer line length:
- With the trimmer running at a high speed, bump the trimmer head against the ground to release 1” of trimmer string
Trimming Tips:
- Operate unit at full throttle for best trimming results
- Always hold the cutting attachment parallel to the ground
- Do not force cutting attachment into your work, only the tip of the trimmer line does the cutting
- If the grass is over 8” tall, work from the top to the bottom in small sections
- Be sure to cut left to right, this will throw the debris away from you
- Be sure to move slowly in and out of the cutting area, moving either side to side or front to back
- Only use your trimmer when the grass and weeds are dry
Decorative Trimming:
- Rotate the unit so that the cutting attachment is at a 30° angle to the ground and trim around objects
Jack’s Safety Tips: Before servicing or repairing any power equipment, disconnect the spark plug and battery cables. Remember to wear appropriate safety glasses and gloves to protect against harmful chemicals and debris. View our Disclaimer.
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