EGO POWER+ ST1500F-FC Operator's Manual page 27

Install the new trimmer head
1. Ensure that the flange is on the
motor shaft with its flat surface
facing outward (Fig. 24).
2. Mount the upper cover and spool
onto the motor shaft and pre-tighten
them with the nut (see Fig. 23).
Use an impact socket wrench(1/2",
13mm) to securely tighten them, in
the clockwise direction.
3. Mount the lower cover assembly, with the spring located inside
(see Fig. 19 & 20).
4. Follow the instructions in section" LINE REPLACEMET" to mount the trimmer
line.
56-VOLT LITHIUM-ION CORDLESS 15" STRING TRIMMER
24
Flat surface facing
away from the base
27