Ryobi AC04151T User Manual
UNIVERSAL AUTO FEED
REEL EASY STRING HEAD
AC04151T
WARNING:
To reduce the risk of injury, user must read and understand the
operator’s manual for their string trimmer before using this accessory. Wear eye protection with side shields marked to comply with
Z87.1. Fits most string trimmers. Ensure compatibility and proper
fit before using this accessory. Turn off the string trimmer before
changing or adjusting accessories. Save these instructions. Refer
to them frequently and use them to instruct other users. If you loan
someone this tool, loan them these instructions also.
When using Ryobi and Homelite string trimmers, no adaptors are
needed. For other brands, see the Adaptor Chart for the proper
hardware configuration needed to use the Universal Bump Feed
String Head with your trimmer.
INSTALLING STRING HEAD
See Figures 1 - 2.
Stop the engine and disconnect the spark plug wire.
Remove currently installed string head.
Open the Auto Feed Reel Easy String Head by depressing the
latches on each side. The contents of the string head are spring
loaded, so keep your other hand over the string head cover while
depressing the latches.
Remove the string head cover, knob, lifter assembly, and spool and
set aside.
Install adaptor pieces as needed. See Using the Adaptors on the
next page.
Place the string head on the drive shaft. Make sure the string head
is fully seated.
Install the hex bolt into the opening on the drive shaft and secure
using the hex-shaped opening in the knob to tighten. Use the black
bolt if installing on a curved shaft trimmer or silver bolt if installing
on a straight shaft trimmer or brushcutter.
NOTE: Only use the knob to tighten the bolt. The use of other tools
may allow overtightening of the bolt, which could damage the string
head.
NOTE: For the brushcutter, the gear head locking tool can be
inserted through the slot in the flanged washer and gear head to
help hold the string head still.
If removed, replace the spring into the string head and push down
to seat. See Adaptor Chart for correct spring to use.
Reinstall the spool. For curved shaft trimmers, the spool should be
placed so “This side out for curved shaft” is visible. For straight
shaft trimmers or brushcutters, the spool should be placed so “This
side out for straight shaft” is visible.
Replace the knob and lifter assembly in the spool.
NOTE: When installing, align the arrow molded on the underside
of the knob to the arrow molded on the spool.
Replace the string head cover, aligning latches with openings in
the string head. Press cover and string head together until both
latches snap into openings securely.
Install string as described in the next section.
aLIGn arrowS
when aSSembLInG
aLIGn
arrowS on
knob wIth
arrowS
on StrInG
head
LIfter
aSSembLy
Latch
oPenInG
cover
LatcheS
knob
hex boLt
SPooL
SPrInG
StrInG
head
Fig. 1
hex boLt
knob
Fig. 2
InSert
StrInG to
center
and rotate
knob to
wInd
INSTALLING STRING
See Figure 3.
Use up to .095 in. diameter monofilament string.
Stop the engine and disconnect the spark plug wire.
Cut one piece of string approximately 22 ft. in length.
Rotate knob on string head until arrows on knob align with arrows
on top of string head.
Insert one end of string into eyelet located on the side of the string
head and push until string comes out through eyelet on the other
eyeLet
Fig. 3
side. Continue to push string through the string head until the middle
section of the string is inside the string head and string outside the
string head is evenly divided on each side.
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 automatically 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 reinstall.
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.
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
Use black bolt
for curved shaft
trimmers.
Use silver bolt
for straight
shaft trimmers
and brushcutters.
Spacer Tightening
Tool
Nut
(6 Sizes)
Bolt
(Black
& Silver)
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.
Craftsman® is a registered trademark of Sears, Roebuck
and Co. Yard Machine
®
, and Cub Cadet® are registered trademarks
Troy-Bilt
of MTD Products, Inc. Weed Eater
Poulan Pro
Holding AB LLC. Echo
Echo, Incorporated.
®
are registered trademarks of Husqvarna
®
, Yard-Man®, Bolens®, MTD®,
®
, Poulan®, and
®
is a registered trademark of
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)
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
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
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