Maintenance
After each use of the trimmer, complete the following:
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Remove the battery from the trimmer.
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Wipe the trimmer clean with a damp cloth. Do not hose the trimmer down or submerge it in water.
Caution
The line cutoff blade on the deflector is sharp and can cut you.
Do not use your hands to clean the deflector shield and blade.
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Wipe or scrape clean the cutting head area any time there is an accumulation of debris.
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Check and tighten all fasteners. If any part is damaged or lost, repair or replace it.
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Brush debris away from air intake vents and exhaust on motor housing to prevent the motor from overheating.
Replacing the String
Important: Use only 2.4 mm (0.095 inch) twisted monofilament string (Part No. 88202)
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Remove the battery pack and clean any debris from the trimmer head.
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Remove any old string on the spool by repetitively pressing the bump button while pulling the line out equally from both sides of the trimmer.
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Cut a piece of 2.4 mm (0.095 inch) string to approximately 3.9 m (13.0 ft).
Important: Do not use any other gauge or type of string, and do not exceed 3.9 m (13.0 ft) of string, as this could damage the trimmer.
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Press and turn the knob on the string head until arrow on the knob aligns with arrow on the string head (Figure 16).
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Insert 1 end of the line at an angle into the LINE IN eyelet and push the line through the string head track until it comes out through the eyelet on the other side. Pull the line though the string head until the line outside the string is evenly divided on each side.
Important: Do not disassemble the trimmer head.
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Hold the string head in place with one hand. With your other hand, rotate the bump knob in the direction shown by the arrows (clockwise).
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Wind the line, leaving about 130 mm (5 inches) extending beyond the eyelet on each side.