Problem Possible
Cause
Solution
2. Advance the cut-
ting line regularly
to keep full cut-
ting width.
The grass
becomes
tangled
around
the trim-
mer head
and motor
housing.
Grass too high. 1. Cut in stages.
2. Cut no more
than 8" in each
pass to prevent
tangling.
The cut-
ting line is
improper-
ly cut.
The string cut-
off blade be-
comes dull.
Sharpen the string
cut-off blade with a file
or replace it.
Too much
vibration.
The line is worn
down at one
side and not ad-
vanced in time.
Make sure that the
line on both sides is
not damaged. Extend
the line.
The trimmer
head is worn
down.
Replace with a new
trimmer head.
The line has run
out.
Install more line.
9 TECHNICAL DATA
Type Cordless, battery pow-
ered
Motor 80V Brushless
No load speed 4900/5800 ± 10% RPM
Cutting line diameter 0.095" (2.4 mm)
Cutting width 15 in. / 17 in. (38 cm / 43
cm)
Line feeding system Bump Feed
Battery model BAB740 and other BAB
series
Charger model GCH8020 and other
CAB series
The recommended ambient temperature range:
Condition Temperature
Product storage 32°F (0°C) - 113°F (45°C)
Product operation 32°F (0°C) - 113°F (45°C)
Battery charging 39°F (4°C) - 104°F (40°C)
Charger operation 39°F (4°C) - 104°F (40°C)
Battery storage 32°F (0°C) - 113°F (45°C)
Battery discharging 32°F (0°C) - 113°F (45°C)
10 LIMITED WARRANTY
Greenworks products and batteries are protected
against all defects in materials, parts, or workmanship
under normal use for a period of 4 years from the
shipping date or in-store purchase date.
At its own discretion, Greenworks can opt to repair,
replace, substitute with a comparable item, or issue a
refund for products that are determined to be defective
through normal use or that have been damaged during
shipment. Proof of purchase and product registration
is required. Replacement of products or parts subject
to normal wear and tear is the responsibility of the
customer.
This warranty is valid only for units which have been
maintained in accordance with the instructions found
in the operator manual supplied with the product; and
for units which have been registered in one of the
following ways:
Online: www.greenworkstools.com
Phone: 1-855-345-3934
If Greenworks accepts a return under warranty, you
can return the defective or damaged product only
after you call our Customer Care team and receive a
Return Authorization from Greenworks. You will also
receive a refund for your original shipping charges,
and Greenworks will arrange and pay for your return
shipping charges. To request a Return Authorization,
please contact us at 1-855-345-3934.
10.1 ITEMS NOT COVERED BY WARRANTY
• Any part that has become inoperative due to
misuse, commercial use, abuse, neglect, accident,
improper maintenance, or alteration.
• The unit, if it has not been operated and/or
maintained in accordance with the operator manual.
• Normal wear, except as noted below:
• Routine maintenance items such as lubricants.
• Normal deterioration of the exterior finish due to
use or exposure.
• Any part/product, that has become inoperable
due to use with any non-Greenworks-branded
parts or batteries/chargers.
15
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