ASSEMBLY
CONVERTING FROM STRING TRIMMER TO BRUSHCUTTER - ZR30004
To convert from the string trimmer to the brushcutter, remove the string head assembly and straight shaft grass deflector, attach the brushcutter guard and install the blade.
REMOVING THE STRAIGHT SHAFT GRASS DEFLEC- TOR AND STRING HEAD
See Figures 10 and 13.
1.Align the slot in the flanged washer with the slot in the gear head.
2.Place the gear head locking tool through the slot in the flanged washer and gear head.
3.Remove the string head assembly.
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 string head parts together for later use.
INSTALLING THE TRI-ARC® BLADE AND
BRUSHCUTTER GUARD
See Figures 10 and 14.
1.Install the brushcutter guard. Refer to “Attaching the Brushcutter Guard” earlier in this manual.
2.Place the flanged washer over the gear head shaft with the hollow side toward the brushcutter guard.
3.Center the blade on the flanged washer, making sure the blade fits flat and the raised hub of the flanged washer goes through the hole in the blade.
4.Install the cupped washer with the raised center away from the blade.
5.Place the blade nut onto the gear head shaft.
6.Place the gear head locking tool through the slot in the flanged washer and gear head.
7.Install the blade nut by turning it counterclockwise (left handed threads).
8.Tighten the blade nut securely and torque to 120 in.lbs. minimum (finger tight plus 1/2 turn).
GEAR HEAD
FLANGED WASHER
STRING HEAD
ASSEMBLY
SLOT
LOOSEN TIGHTEN
Fig. 13
GEAR HEAD
FLANGED WASHER
SLOT
CUPPED 
WASHER
BRUSHCUTTER
GUARD
BLADE NUT | Fig. 14 |
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