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STRING TRIMMER ATTACHMENT—STA1500 25

Install the new trimmer head

1. Position the ﬂange removed in step

8 of the “Remove the trimmer head”

section onto the motor shaft with

the bulge facing away from the base

(Fig. 23).

2. Position the ﬂange cover onto the

ﬂange with its ﬂat surface facing

outwards (Fig. 24).

3. Align the mounting hole in the new

spool base with the motor shaft and

mount the new spool base onto the

shaft.

4. Position the plain washer onto the

motor shaft (see Fig. 20).

5. Mount the nut onto the shaft, and

pre-tighten it COUNTERCLOCKWISE

by hand.

6. Rotate the spool base to align the

slot in the ﬂange with the hole in the

gear case (see Fig. 17).

7. Insert the hex wrench provided

into the aligned holes to act as

a stabilizer (see Fig. 18). Use the

multi-function wrench provided to

tighten the nut securely onto the

shaft (Fig. 25).

Bulge facing away from the base

Flat surface facing outwards

EGO STA1500 User Manual

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