Ryobi RY29550 - Manual (Page 16)

12 — English
MAINTENANcE
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 BC30, 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.
 Reinstall the spool. The spool should be placed so “This
side out for straight shaft” is visible.
 Replace the knob in 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 of this
manual.
INSTALLINg STRINg IN REEL EASY STRINg
HEAD
See Figures 17 - 18.
Use .095 in. diameter monofilament string.

Stop the engine and disconnect the spark plug wire.
 Cut one piece of string approximately 25 ft. in length.
 Rotate knob on string head until line on knob aligns 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 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 the CS30, knob should be rotated counterclock-
wise. If using the SS30 or the BC30, knob should be
rotated clockwise. Wind the string until approximately
8 in. remains protruding from the string head.
INSTALLINg PRO cUT II STRINg HEAD TM
See Figure 19.

Stop the engine and disconnect the spark plug wire.
 Remove currently installed string head.
 Install the string head on the drive shaft until fully
seated.
 Install the spool retainer and turn counterclockwise.
 Install string as described in the next section of this
manual.
WARNINg:
When servicing, use only identical replacement parts.
Use of any other parts may create a hazard or cause
product damage.
WARNINg:
Always wear eye protection marked to comply with
ANSI Z87.1. Failure to do so could result in objects be-
ing thrown into your eyes, resulting in possible serious
injury.
WARNINg:
Before inspecting, cleaning, or servicing the machine,
shut off engine, wait for all moving parts to stop, and
disconnect spark plug wire and move it away from spark
plug. Failure to follow these instructions can result in
serious personal injury or property damage.
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, lubricant, grease, etc.
WARNINg:
Do not at any time let brake fluids, gasoline, petroleum-
based products, penetrating lubricants, etc., come in
contact with plastic parts. Chemicals can damage,
weaken or destroy plastic which may result in serious
personal injury.
You can often make adjustments and repairs described
here. For other repairs, have the trimmer serviced by an
authorized service dealer.
INSTALLINg REEL EASY STRINg HEAD
See Figures 15 - 16.

Stop the engine and disconnect the spark plug wire.
 Remove currently installed string head.
 Open the 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, and spool and set
aside.
 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.