Maintenance; Line Trimming Cut-Off Blade; Line Replacement; String Head Replacement - Echo CDST-58V Operator's Manual

OPERATION
WARNING
The line cut-off blade on the debris shield is sharp. Avoid
contact with the blade. Failure to avoid contact can
result in serious personal injury.

Line Trimming Cut-Off Blade

See Figures 8 - 9.
The trimmer is equipped with a line trimming cut-off blade
on the debris shield. For best cutting, advance line until it
is trimmed to length by the cut-off blade. Advance the line

MAINTENANCE

Before inspecting, cleaning, or servicing the machine,
shut off motor, wait for all moving parts to stop, and
remove battery. Failure to follow these instructions can
result in serious personal injury or property damage.
Always wear eye protection with side shields marked to
comply with ANSI Z87.1. Failure to do so could result in
objects being thrown into your eyes, resulting in possible
serious injury.
When servicing, use only identical replacement parts.
Use of any other parts may create a hazard or cause
product damage.
Periodically inspect the entire product for damaged,
missing, or loose parts such as screws, nuts, bolts, caps,
etc. Tighten securely all fasteners and caps and do not
operate this product until all missing or damaged parts
are replaced. Please contact customer service or an
authorized service center for assistance.
General Maintenance
Avoid using solvents when cleaning plastic parts. Most
plastics are susceptible to damage from various types of
commercial solvents and may be damaged by their use. Use
clean cloths to remove dirt, dust, oil, grease, etc.
WARNING
WARNING
WARNING
WARNING
whenever you hear the engine running faster than normal,
or when trimming efficiency diminishes. This will maintain
best performance and keep the line long enough to advance
properly.
This trimmer is currently set at the 16 in. cutting swath. To
adjust to a cutting swath of 14 in.:
 Stop the motor and remove the battery pack.
 Remove the blade screws and nuts.
 Rotate the line cut-off blade 180°.
 Reinstall the blade screws and nuts. Tighten securely.
Do not at any time let brake fluids, gasoline, petroleum-
based products, penetrating oils, etc., come in contact
with plastic parts. Chemicals can damage, weaken or
destroy plastic which can result in serious personal
injury.

String Head Replacement

See Figure 10.
The string head should be replaced whenever damage is
visible or if the wear indicators on the face are worn smooth.
If replacing line only, refer to Line Replacement later in this
manual.
 Stop the unit and remove the battery pack.
 Place the hex key through the slot in the debris shield
and output shaft.
 Rotate the string head clockwise until it can be removed
from the output shaft.
 Install the new string head and rotate counterclockwise
to secure.

Line Replacement

See Figures 11 - 14.
Use 0.080 in. diameter round, 0.080 in. twisted, 0.095 in.
twisted or 0.095 in. octagonal trimmer line only.
 Stop the unit and remove the battery pack.
 Rotate the string head as necessary to align the eyelets
in the string head housing with the arrows on the base
of the string head.
 Cut one piece of trimmer line 12 ft. long. Insert the line
into the eyelet on the string trimmer housing. Push until
the end of the line comes out the other side of the string
head. Pull the line from the other side until equal amounts
of line appear on both sides.
English
WARNING
9