Ryobi 4 Cycle Trimmer Owners Manual

OIL AND FUEL INFORMATION
11
FUELING UNIT
WARNING:Gasoline is extremely flammable
and its vapors can explode if ignited. To
avoid serious personal injury, always stop the
engine and allow it to cool before filling the
fuel tank. Do not smoke while filling the tank.
Keep sparks and open flames away from the
area.
1. Remove fuel cap (Fig. 7).
WARNING:Remove fuel cap slowly to avoid
injury from 
gasolinespray. 
Fig. 7
Fuel CapFuel Tank Gas Can Spout
2. Place spout of gas container into the fill hole on the...

STARTING/STOPPING INSTRUCTIONS
12
WARNING:Avoid accidental starting. Be in
the starting position whenever pulling the
starting rope. To avoid serious personal
injury, the operator and unit must be in a 
stable position while starting.STARTING INSTRUCTIONS
Cold Start - First Start of the Day or Engine Ran Out
of Fuel
WARNING:Operate this unit only in a well
ventilated area outdoors. Carbon monoxide
exhaust fumes can be lethal in a confined
area.
1. Check oil level in crankcase. See Checking the Oil
Level...

OPERATING INSTRUCTIONS
13
CAUTION: The cutting attachment and 
add-ons with the Click-Link® system are to
be used in the primary hole unless stated
otherwise in the specific add-ons operator’s
manual. Using the wrong hole could lead to
personal injury, or damage to the unit.
For edging when using the line head cutting attachment
with Click-Link® models, lock the release button of the
cutting attachment into the 
90°edging holeor the 180°
edging hole
(Fig. 12).
OPERATING THE CLICK-LINK®SYSTEM
The...

OPERATING INSTRUCTIONS
14
Each time the head is bumped, about 1 inch (25.4 mm.)
of trimming line is released. A blade in the cutting
attachment shield will cut the line to the proper length if
excess line is released.
For best results, tap the Bump Head™ on bare ground
or hard soil. If line release is attempted in tall grass, the
engine may stall. Always keep the trimming line fully
extended. Line release becomes more difficult as the
cutting line becomes shorter.
NOTE:Do not rest the Bump Head™ on the...

OPERATING INSTRUCTIONS
15
WARNING:To prevent serious injury, never
do maintenance or repairs with unit running.
Always do maintenance and repairs on a 
cool unit. Disconnect spark plug wire to
ensure the unit will not start.
Fig. 16
DECORATIVE TRIMMING
Decorative trimming is accomplished by removing all
vegetation around trees, posts, fences, etc.
Rotate the whole unit so that the cutting attachment is at
a 30°angle to the ground (Fig. 16).
NOTE:Some maintenance procedures may require 
special tools or...

MAINTENANCE AND REPAIR INSTRUCTIONS
16
Line Locking Hole
Trimming Line
Line Loading Hole Eyelet
5. Insert the line into the locking hole (Fig. 18). Do not
push the line more than 1/2 inch (12.7 mm) into the
line locking hole. When inserted correctly the line 
will form a small loop (Fig. 19).
6. Pull the line from the outer spool until the line is tight
against the inner reel (Fig. 20).
LINE INSTALLATION FOR THE SPEEDSPOOL®
Always use genuine Ryobi 0.080 inch (2.03 mm) 
replacement line. Line other than...

MAINTENANCE AND REPAIR INSTRUCTIONS
17
Bump Knob
Foam Seal
Spring
Inner Reel
INSTALLING A PREWOUND REEL
1. Turn the Bump Knob counterclockwise and remove
the bump knob, spring, and foam seal (Fig. 23).
9. If winding the line becomes difficult or the line jams,
pull the ends of the line from the spool (Fig. 22).
Continue winding the inner reel counterclockwise .
4. Hold the inner reel in place and install the bump
knob, spring and foam seal. Press down and turn the
bump knob clockwise. Grasp the ends and...

MAINTENANCE AND REPAIR INSTRUCTIONS
18
2. Pull out the bump knob, spring, and foam seal 
(Fig. 23, Pg. 17).
3. Pull the inner reel with existing line from the outer
spool (Fig. 23, Pg. 17).
4. Remove any existing line from the inner reel before
cleaning. Remove any debris or grass from the knob,
spring, inner reel, and foam seal. Wash the inner reel
with warm soapy water (Fig. 26).
Inner Reel
Shaft
Plunger
NOTE:The inner reel must be totally dry before 
reinstalling it into the outer spool. Do not...

MAINTENANCE AND REPAIR INSTRUCTIONS
19
CHECKING THE OIL LEVEL
CAUTION:To prevent extensive engine wear
and damage to the unit, always maintain the
proper oil level in the crankcase. Never 
operate the unit with the oil level below the
bottom of the dipstick.
The importance of checking and maintaining the proper
oil level in the crankcase cannot be overemphasized.
Check oil before each use:
1. Stop engine and allow oil to drain into the crankcase.
2. Place the unit on a flat, level surface to get a...

MAINTENANCE AND REPAIR INSTRUCTIONS
20
AIR FILTER MAINTENANCE
Cleaning the Air Filter
WARNING:To avoid serious personal injury,
always turn your trimmer off and allow it to
cool before you clean or do any maintenance
on it.
Clean and re-oil the air filter every 10 hours of operation.
It is an important item to maintain. Not maintaining the
air filter will 
VOIDthe warranty.
1. Open the air filter cover. Push the tab on the right
side of the cover in, pull the air filter cover out and to
the left (Fig....