Stihl FR 460 TC M Series Instruction Manual page 13

6 Assembling the Trimmer
6.7 Mounting and Removing the
Mowing Head
6.7.1 Mounting the Mowing Head
► Shut off the engine.
► Place the thrust plate (2) on the shaft (3) so
that its smaller diameter faces up.
► Fit the mowing head (1) on the shaft (3) and
turn it counterclockwise by hand.
► Insert the stop pin (4) in the bore up to the limit
stop and hold it depressed.
► Turn the mowing head (1) counterclockwise
until the stop pin (4) engages in position.
The shaft (3) is now blocked.
► Tighten down the mowing head (1) firmly by
hand.
► Remove the stop pin (4).
6.7.2 Removing the Mowing Head
► Shut off the engine.
► Insert the stop pin in the bore as far as stop
and hold it depressed.
► Rotate the mowing head until the stop pin
engages in position.
The shaft is now blocked.
► Unscrew the mowing head clockwise.
► Remove the thrust plate.
► Remove stop pin.
6.8 Removing and Installing Metal
Cutting Attachment
6.8.1 Mounting the Metal Cutting Attach‐
ment
► Shut off the engine.
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► Place the thrust plate (5) on the shaft (6) so
that its smaller diameter faces up.
► Place the metal cutting attachment (4) on the
thrust plate (5). If you are fitting a grass cutting
blade with more than 4 cutting edges: Its cut‐
ting edges must face in the same direction as
the arrow on the deflector.
► Place the thrust washer (3) on the metal cut‐
ting attachment (4) so that its raised side faces
up.
► Place the rider plate (2) on the thrust washer
(3) so that its closed side faces up.
► Insert the stop pin (7) in the bore as far as
stop and hold it depressed.
► Rotate the metal cutting attachment (4) coun‐
terclockwise until the stop pin (7) engages in
position.
The shaft (6) is now blocked.
► Fit the nut (1) counterclockwise and tighten it
down firmly.
► Remove the stop pin (7).
6.8.2 Removing the metal cutting attach‐
ment
► Shut off the engine.
► Insert the stop pin in the bore up to the limit
stop and hold it depressed.
► Rotate the metal cutting attachment clockwise
until the stop pin engages in position.
The shaft is now blocked.
► Unscrew the mounting nut clockwise.
► Remove the fastening parts, metal cutting tool
and pressure plate.
► Remove the stop pin.
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