Operation Manual

Installing the trimmer head

(BCM2310, BCM2610, BCM3310)

Always switch off the engine and

disconnect the spark plug cap

before mounting the trimmer head!

- Remove ﬂ oating disc (C/6) and thrust washer (C/5).

- Insert the offset screwdriver 4 mm (C/1) through the wind-

ing guard and the locking disc into the opening (C/3) in the

angular gear (block the winding gear). If necessary turn the

mounting disc (C/3) slightly.

- Position the blade (C/4), thrust washer (C/5) and ﬁ nally the

ﬂ oating disc (C/6) as shown.

- Screw down the locknut (C/7) and tighten it by turning the

combination wrench counter-clockwise.

Caution: For safety reasons, after every 10 tool changes

the locknut (C/7) must be replaced with a new one. For the

order number, see the spare parts list at the end of this

manual.

- Remove Allen key and check for freedom of motion of the

cutting tool.

Mounting the 4-tooth star blade

(BCM2600, BCM3300, BCM4300)

Always switch off the engine and disconnect the spark plug

cap before mounting metal cutter blades! Wear protective

gloves!

- Place the mounting disc (D/3) on the shaft.

- Insert the 4 mm Allen key (D/1) through the winding guard

and the mounting disc (D/3) into the opening on the angle

gear (blocks the angle gear). If necessary turn the mounting

disc (D/3) slightly.

- Screw the trimmer head (D/2) onto the shaft by turning it

counter-clockwise.

- Now tighten the trimmer head by hand.

- Remove the Allen key and check for freedom of motion of

the trimmer head.

- Unscrew the locknut (C/7) from the shaft by turning it clock-

wise. If necessary, block the angle gear (see below).

Note: The locknut is provided with a left-hand thread!