Operation – Ryobi RY15124 User Manual
Page 11
9 — English
LOCK-OUT BUTTON
See Figure 6.
The lock-out button reduces the possibility of accidental 
starting. The lock-out button is located on the handle above 
the switch trigger. The lock-out button must be depressed 
before you pull the switch trigger. The lock resets each time 
the trigger is released.
STARTING AND STOPPING THE POWER HEAD
See Figure 6.
To start the power head: Depress the lock-out button and
squeeze the switch trigger.
To stop the power head: Release the switch trigger.
OPERATING THE POWER HEAD
See Figures 7 - 13.
WARNING:
Motor housing may become hot during operation. Do not 
rest or place your arm, hand, or any body part against 
the motor housing during operation. Only hold the unit 
as shown in figures 7 - 13 (depending on attachment 
used) during trimmer operation with all body parts clear of 
motor housing (or as shown in the applicable attachment 
Operator’s Manual). Extended contact with the motor 
housing may result in burns or other injuries.
WARNING:
Always position the unit on the operator’s right side. The 
use of the unit on the operator’s left side will expose the 
user to hot surfaces and can result in possible burn injury.
WARNING:
To avoid burns from hot surfaces, never operate unit with 
the bottom of the motor above waist level.
Hold the power head with your right hand on the rear handle 
and your left hand on the front handle. Keep a firm grip with 
both hands while in operation. Power head should be held at 
a comfortable position with the rear handle about hip height. 
Always operate power head at full throttle. If debris becomes 
wrapped around the attachment, RELEASE THE SWITCH 
TRIGGER, unplug the unit, and remove the debris.
WARNING:
Read and understand entire Operator’s Manual for each 
optional attachment used on this power head and fol-
low all warnings and instructions. Failure to follow all 
instructions may result in electric shock, fire and/or seri-
ous personal injury.
WARNING:
Do not allow familiarity with product to make you care-
less. Remember that a careless fraction of a second is 
sufficient to inflict serious injury.
WARNING:
Always wear eye protection with side shields marked 
to comply with ANSI Z87.1. Hearing and/or head 
protection may also be required depending on the type 
of attachment used and as prescribed in the attachment’s 
Operator’s Manual. Failure to do so could result in objects 
being thrown into your eyes and other possible serious 
injuries.
WARNING:
Do not use any attachments or accessories not recom-
mended by the manufacturer of this product. The use of 
attachments or accessories not recommended can result 
in serious personal injury.
CONNECTING TO POWER SUPPLY
See Figure 4 -5.
The power head is designed with a cord retainer that pre-
vents the extension cord from being pulled loose while using.
Form a loop with the end of the extension cord.
Insert loop portion of extension cord through opening in
the bottom of the rear handle and place over cord retainer.
Slowly pull loop against cord retainer until the slack is
removed.
Plug power head into extension cord.
NOTE: Failure to remove all excess cord slack from extension 
cord retainer could result in plug loosening from receptacle.
OPERATION