Echo BCLS-580 Operator's Manual page 20

Before you start
1. Bracket
2. Bolt M5×25
3. Convex of fitting plate
4. Fitting plate
1. Blade retainer fixing slot
2. Blade retainer
1. Locking tool
5. Notch of fitting plate
6. Cut off knife
7. Screw 5×12
3. Nylon line cutting head
2. Nylon line cutting head
Installation of bracket
Fit bracket to mounting portion of angle transmission and fix the
bracket by holding fitting plate pressed from beneath and tighten
4 bolts (M5×25) lightly.
Get notches and convexes of fitting plate to face corresponding
convexes and concaves of bracket, and fix bracket tightening 4
bolts (M5×25) securely.
Fit cut off knife to the shield for nylon line cutting head using
screw (5×12).
Installing nylon line cutting head
Use only flexible, non-metallic line recommended by
YAMABIKO CORPORATION.
Fasten output shaft using locking tool securely in order
to avoid the possibility of output shaft rotating when
mounting nylon line cutting head.
Insert locking tool into a hole located on the right side of angle
transmission while forcing retainer spring to the left side. Insert
locking tool further into blade retainer fixing slot to fix output shaft.
Thread nylon line cutting head onto shaft (anticlockwise) until it is
tight.
Remove locking tool.
Nylon line cutting head
Type: B6
Thread: Left-hand thread M12×1.75 pitch
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CAUTION