Ryobi RBC-52 Owner's Operating Manual page 8

FITTING THE LINE SPOOL (FIG.7)
ATTENTION: left thread - to tighten turn counter
clockwise, to loosen turn clockwise.
Place the mounting disc (3) on the shaft.
Insert the 4 mm Allen key (1) through the winding
guard and the mounting disc (3) into the opening
on the angle gear (blocks the angle gear). If
necessary turn the mounting disc (3) slightly.
Screw the line spool (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 line spool.
FITTING THE BLADE (FIG.8)
ATTENTION: left thread - to tighten turn counter
clockwise, to loosen turn clockwise.
WARNING! To prevent injury wear thick
safety gloves and use correct assembly
tools and equipment.
Unscrew the locknut (7) from the shaft by turning it
clockwise with the spark plug wrench and
screwdriver.
Remove the floating disc (6) and washer (5).
Insert the 4mm allen key (1) through the winding
guard and the locking disc into the opening in the
angular gear. If necessary turn the mounting disc
(3) slightly.
Position the blade (4), washer (5) and the floating
disc (6) as shown in Fig 6.
Screw down the locknut (7) and tighten it by turning
the allen key counter clockwise.
Remove Allen key and check for freedom of motion
of the blade.
ATTACHING THE HARNESS (FIG.9)
Connect the latch (A) on the shoulder strap to the
strap hanger (B).
Adjust the shoulder strap hanger to a balanced
position where the blade or cutter attachment will
suspend between 100 mm to 300 mm above the
ground surface.
Adjust the strap hanger to a comfortable position.
Note: To quickly release the product from the
shoulder strap, sharply pull the quick release tab
(C).
ASSEMBLY
1
1
8
Fig. 7
Fig. 8
C
A
B
Fig. 9
3
2
2
3
4
5
6
7