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TECHTRONIC INDUSTRIES
NORTH AMERICA, INC.
1428 Pearman Dairy Road
Anderson, SC 29625
Phone 1-800-860-4050
www.ryobitools.com
987000-625
3-31-09 (REV:00)
Rotate the knob on the string head to wind the string. If using a
curved shaft trimmer, knob should be rotated counterclockwise.
If using a straight shaft trimmer or brushcutter, knob should be
rotated clockwise. Wind the string until approximately 8 in. remains
protruding from each side of the string head.
NOTE: During string trimmer operation, the string will advance auto-
matically as needed. Do not bump the string head on the ground in an
attempt to advance string.
TROUBLESHOOTING
If line does not advance automatically, it may be twisted or stuck
inside the string head. Stop the trimmer, remove the line, and re-
install.
If the line still does not advance properly, check to ensure the spool
and lifter assembly are installed properly and that you are using the
correct spring for your unit.
If you have difficulty loading line, try inserting it through the other
eyelet or trimming the end of the line to remove bent or frayed
edges.
Use black bolt
for curved shaft
trimmers.
Use silver bolt
for straight
shaft trimmers
and brush-
cutters.
Other models and brands not listed may fit with the use of the universal adaptor, a nut, the silver spring
and the silver bolt. For these units, test the adaptor with each nut to find one that tightens securely.
Test the string head to ensure that the string will contact the cutter on the grass shield before operating.
If the string head does not fit with any of the adaptors or nuts supplied, contact Customer Service at
1-800-860-4050 for assistance.
Model Type Adaptor Configuration
Ryobi Curved Shaft Direct Fit + Black Spring + Black Bolt
Ryobi Straight Shaft Direct Fit + Silver Spring + Silver Bolt
Homelite Curved Shaft Direct Fit + Black Spring + Black Bolt
Homelite Straight Shaft Direct Fit + Silver Spring + Silver Bolt
MTD* Curved Shaft Thread Adaptor (tightened with Tightening Tool) + Spacer
+ Black Spring + Black Bolt
MTD* Straight Shaft Thread Adaptor (tightened with Tightening Tool) + Spacer
+ Black Spring + Black Bolt
* MTD brands include Bolens, Cub Cadet, Troy-Bilt, Yard-Man, Yard Machines, and select
Craftsman
Poulan** Curved Shaft Washer + Universal Adaptor + Nut A + Silver Spring + Silver Bolt
Poulan** Straight Shaft Universal Adaptor + Nut E + Silver Spring + Silver Bolt
** Poulan brands include Poulan, Poulan Pro, Weed Eater, and select Craftsman
Craftsman Straight Shaft Universal Adaptor + Nut F + Silver Spring + Silver Bolt
Craftsman Curved Shaft Washer + Universal Adaptor + Nut A + Silver Spring + Silver Bolt
Echo Curved Shaft Universal Adaptor + Nut B + Silver Spring + Silver Bolt
Find your trimmer model in the Adaptor Chart below, then use the adaptor configuration listed to
install the Auto Feed String Head Assembly on your trimmer. For units that require the universal
adaptor, insert the specified nut into the universal adaptor as shown.
NOTE: This string head is not recommended for use on Echo straight shaft, Troy-Bilt Speed
Spool-equipped, Honda, Stihl, or Husqvarna string trimmers.
Refer to the diagrams at right to see how the pieces fit together.
WARNING:
Failure to use the correct adaptor, nut, spring, and bolt combination for your trimmer could
cause the string head to detach from your trimmer and result in serious personal injury and/
or property damage.
Adaptor Chart
Craftsman
®
is a registered trademark of Sears, Roebuck
and Co. Yard Machine
®
, Yard-Man
®
, Bolens
®
, MTD
®
,
Troy-Bilt
®
, and Cub Cadet
®
are registered trademarks
of MTD Products, Inc. Weed Eater
®
, Poulan
®
, and
Poulan Pro
®
are registered trademarks of Husqvarna
Holding AB LLC. Echo
®
is a registered trademark of
Echo, Incorporated.
Diagrams above represent order of parts
installation, however, all parts may not be
needed for your trimmer. Consult the Adaptor
Chart and use only the Adaptor Configuration
specified for your trimmer.
USING THE ADAPTORS
Along with the Universal Auto Feed Reel Easy
String Head and pre-cut trimmer line, this
package includes the items at right, which may
be used to adapt the string head for use on the
trimmers listed in the Adaptor Chart.
Universal
Adaptor
Washer
(Used
With Nuts
A, C & D Only)
Spring
(Black
& Silver)
Thread
Adaptor
Spacer Tightening
Tool
Nut
(6 Sizes)
Bolt
(Black
& Silver)