OPERATING INSTRUCTIONS
It is recommended that the engine not be oper- ated for longer than 1 minute at full throttle.
OPERATING POSITIONS
Models W25CB, W25CF, W25CBK, W25CFK:
Always release the throttle trigger and allow the engine to return to idle speed when not cutting. To stop engine:
SRelease the throttle trigger.
SPush and hold the STOP switch in the STOP position until the engine stops.
TRIMMER LINE ADVANCE
ALWAYS WEAR:
Hearing protection
Hair above shoulders
Long
Pants
Heavy
Shoes
Eye protection
Gloves
Cut from your right 
to your left.
(Models W25CB, W25SB, W25CBK, W25SBK)
Thetrimmer line willadvance approximately 2 inches (5 cm) each time the bottom of the trimmer head is tapped on the ground with the engine running at full throttle.
The most efficient line length is the maximum length allowed by the line limiter.
Always keep the shield in place when the tool is being operated.
To advance line:
SOperate the engine at full throttle.
SHold the trimmer head parallelto andabove the grassy area.
STap the bottom of the trimmer head lightly on the ground one time. Approximately 2 inches (5 cm) of line will be advanced with
each tap.
Always tap the trimmer head on a grassy area. Tapping on surfaces such as concrete or asphalt can cause excessive wear to the trimmer head.
Models W25SB, W25SF, W25SBK, W25SFK:
ALWAYS WEAR:
If the line is worn down to 2 inches (5 cm) or less, more than one tap will be required to ob- tain the most efficient line length.
WARNING:
Hearing protection
Hair above 
shoulders 
Eye protection
For models W25CB, W25SB, W25CBK, W25SBK, use only 0.080 inch (2 mm) diameter line. Other sizes of linewill not advance properly and will result in improper cutting head function or can cause serious injury. For models W25CF, W25SF, W25CFK, W25SFK, use only 0.095 inch (2.4 mm) diame- ter cut length line. Do not use other materials
Long
Gloves
Pants
Heavy
Shoes
Cut from your left to your right.
WARNING: Always wear hearing protection and eye protection. Never lean over the trimmer head. Rocks or debris can ricochet or be thrown into eyes and face and cause blindness or other serious injury.
Maintain firm footing and hold trimmer with both hands with right hand on the rear handle/ throttle control and the left hand on the front handle. Always keep engine and trimmer head below waist level.
Do not run the engine at a higher speed than necessary. The cutting line will cut efficiently when the engine is run at less than full throttle. At lower speeds, there is less engine noise and vibration. The cutting line will last longer and will be less likely to “weld” onto the spool.
such as wire, string, rope, etc. Wire can break off during cutting and become a dangerous pro- jectile that can cause serious injury.
CUTTING METHODS
WARNING: Use minimum speed and do not crowdthe linewhen cuttingaround hard objects (rock, gravel, fence posts, etc.), whichcandamage thetrimmer head, become entangled in the line, or be thrown causing a serious hazard.
SThe tip of the line does the cutting. You will achieve the best performance and mini- mum line wear by not crowding the line into the cutting area. The right and wrong ways are shown below.
Tip of line does | Line crowded into |
the cutting. | work area. |
RightWrong
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