Echo SRM-210SB Operator's Manual page 27

6. Feed ends of line through housing eyelets (G) and place spool (B)
over drive (H). Align pegs (I) on drive with notches in spool, and
push spool into drum.
7. Pull on both lines until they come free from notches (F) in spool.
8. Hold drum (A) firmly and turn spool (B) CCW (counterclockwise)
until it stops. DO NOT push in on spool when turning.
9. Pull both lines out and trim to cut-off knife length.
G T
RASS RIMMER
O
PERATOR
G
F
/B C
RUSH UTTER
' M
S ANUAL
I
H
G
B
F
B
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B
A