Operator's Manual

15
Converting From Brushcutter To
Trimmer
Model No. 51990
To convert from the brushcutter to the trimmer, remove the
blade, remove the brushcutter guard, attach the grass de ec-
tor, and install the trimmer head assembly.
To Remove the Blade and Brushcutter Guard
See Figure 7 and Figure 8.
Follow these steps to remove the blade and brushcutter
guard.
1.
Align the slot in the  anged washer with the slot in the
gear head.
2.
Place the head locking tool through the slot in the
 anged washer and gear head.
3.
Remove the blade nut by turning it clockwise (left-
handed threads).
4.
Remove the cupped washer and the blade.
WARNING:
Be careful when handling the blade. It is sharp.
Failure to heed this warning can result in serious
personal injury.
5.
Remove the  anged washer from the gear shaft and
retain it for the trimmer head assembly installation.
6.
Remove the three screws securing the brushcutter
guard.
7.
Remove the brushcutter guard.
Note:
Store the brushcutter parts together for future
use.
To Attach the Grass Deflector
Refer to “To Attach the Straight Shaft Grass De ector”
earlier in this manual.
To Install the Trimmer Head Assembly
See Figure 9.
Follow these steps to install the trimmer head assembly.
1.
Align the slot in the  anged washer with the slot in the
gear head.
2.
Insert the head locking tool through the  anged washer
and gear head.
3.
Install the drive shaft and trimmer head assembly onto
the gear shaft by turning the drive shaft counterclock-
wise (left-handed threads).
4.
Tighten the drive shaft securely.
Figure 7
Figure 9
Assembly
Head
Locking
Tool
Figure 8
Slot
Gear Head
Brushcutter
Guard
Flanged
Washer
Blade
Blade Nut
Slot
Cupped
Washer
Gear
Head
Trimmer
Head
Assembly
Drive
Shaft
Flanged
Washer