Toro 51993 Manual Del Operador página 16

Assembly
Converting From Trimmer To Brushcutter
Model No. 51993
To convert from the trimmer to the brushcutter, remove the
trimmer head assembly, remove the grass deflector, attach
the brushcutter guard, and install the blade.
To Remove the Trimmer Head Assembly and Grass
Deflector
See Figures 9 and 10.
To remove the trimmer head assembly and grass deflector:
1. Align the slot in the flanged washer with the slot in the
gear head.
2. Insert the head locking tool through the flanged washer
and gear head.
3. Remove the drive shaft and trimmer head assembly by
turning the drive shaft clockwise (left-handed threads).
4. Remove the flanged washer and retain it for the blade
installation.
5. Remove the screw securing the grass deflector.
6. Remove the grass deflector.
Note: Store the trimmer head assembly parts together
for future use.
To Attach the Brushcutter Guard
See Figure 11.
Note: To protect the operator, always be sure to attach the
brushcutter guard.
To attach the brushcutter guard:
1. Place the guard onto the gear head as shown.
2. Insert the three hex head screws from the bottom through
the guard into the gear head.
3. Tighten the screws securely and torque to 40-50 in.lb.
To Install the Blade
See Figure 12.
To install the blade:
1. Place flanged washer over the gear shaft with the hollow
side toward the brushcutter guard.
2. Center the blade on the flanged washer, making sure the
blade fits flat and the raised hub goes through the hole in
the blade.
3. Install the cupped washer with the raised center away
from the blade.
4. Place the blade nut onto the gear shaft.
5. Insert the head locking tool through the flanged washer
and gear head.
6. Install the blade nut by turning it counterclockwise (left-
handed threads).
7. Tighten the blade nut and torque to 120 in.lb. minimum
(finger tight plus 1/2 turn).
16
Head
Locking
Tool
Gear
Flanged
Head
Washer
Slot
Straight Shaft
Grass Deflector
Brushcutter
Guard
Gear Shaft
Cupped
Brushcutter
Washer
Guard
Figure 9
Trimmer
Drive
Head
Shaft
Assembly
Figure 10
Gear Head
Hex Head
Screw
Figure 11
Flanged
Washer
Blade
Blade Nut
Figure 12
Assembly