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TIPS FOR BEST TRIMMING RESULTS
1. The correct angle for the cutting head is parallel to
the ground.
NOTE: Do not rest the Bump Head™ on the ground.
2. DO NOT FORCE THE UNIT. Allow the very tip of
the line to do the cutting (especially along walls).
Cutting with more than the tip will reduce cutting
efficiency and may overload the engine.
3. Grass over 200 mm (8 in.) should be cut by working
from top to the bottom in small increments to avoid
premature line wear or engine drag.
4. Whenever possible, cut right to left. When cutting
to the left, the unit's cutting efficiency is improved
slightly. Also, the clippings are thrown away from
the operator.
5. Slowly move the trimmer into and out of the area
being cut, keeping the trimmer at the desired
cutting height. Move either in a forward-to-
backward or side-to-side motion. Cutting shorter
lengths produces best results.
6. Trim only when grass and weeds are dry.
7. The life of your cutting line is dependent upon:
• Following the trimming techniques
• What vegetation is being cut
•Where vegetation is cut
For example, the line will wear faster when trimming
against a foundation wall as opposed to trimming
around a tree.
OPERATING INSTRUCTIONS
13
FIGURE 10
NOTE: Always keep the trimming line fully
extended. Line release becomes more difficult
as cutting line becomes shorter.
Each time the head is bumped, it releases about 25.4
mm (1 inch) of trimming line. A blade in the string
guard cuts the line to the proper length if excess line is
released.
For best results, tap the Bump Head™ on bare ground
or hard soil. If you attempt to release line in tall grass,
the engine may overheat. Always keep the trimming
line fully extended. Line release becomes more difficult
as the cutting line becomes shorter.
NOTE: Do not rest the Bump Head™ on the ground
while the unit is running.
CAUTION: Do not remove or alter the line
cutting blade assembly. Excessive line length
will make the unit overheat. This may lead to
serious personal injury or damage to the unit.
Some line breakage will occur from:
• Entanglement with foreign matter
• Normal line fatigue
• Attempting to cut thick, stalky weeds
• Forcing the line into objects such as walls or fence posts
DECORATIVE TRIMMING
Decorative trimming is accomplished by removing all
vegetation around trees, posts, fences and more. Use a
30-degree angle when trimming with this method. See
Figure 11.
FIGURE 11
ADJUSTING TRIMMING LINE LENGTH
The Bump Head™ allows you to release trimming line
without stopping the engine. To release more line,
lightly tap the cutting head on the ground while
operating the trimmer at high speed. See Figure 10.