Ryobi 890R Hi Tech 4 Stroke Brushcutter Trimmer

Operator’s Manual - Page 10

For 890R.

PDF File Manual, 28 pages, Read Online | Download pdf file

890R photo
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Install the Cutting Blade
WARNING: To avoid serious personal injury,
always Wear gloves whilst handling or
installing the blade.
4. Place the cutting blade on the output shaft (Fig. 11),
5. Make sure that the cutting blade is centered on the
pilot step and sitting flat against the output shaft
bushing (Fig. !2).
i_ WARNING: If the cutting blade is off-center, I
the unit will vibrate, and the blade may fty off, I
which can qause serious personal injury. I
Blade Retainer _ Nut
Cutting
Blade
Shield
Mount
Pilot Hole
6.
7.
8.
Align the shaft bushing hole with the locking rod
slot and insert the locking rod into the bushing hole
(Fig. 13).
Put the blade retainer and nut on the output shaft.
Make sure that the blade is installed correctly.
Tighten nut counterclockwise against the blade
whilst holding the locking rod;
If using a torque wrench and an 5/8 inch socket
tighten to:
37 -38 N•m.
325 - 335 inelb.
27 - 28 ft.olb
Without a torque wrench, use a 5/8 inch closed-end or
socket wrench, turning the nut until the blade retainer
is snug against the shaft bushing. Make sure that the
blade is installed correctly, then rotate the nut an
additional 1/4 to 1/2 turn counterclockwise (Fig. 13).
Output Shaft
Fig. 11
Pilot Step
Shaft Bushing Hole
Locking Rod Slot
Locking Rod
Fig. 12
Output Shaft
Output Shaft
Bushing
.......... Fig. 13 ................
1/4-1/2 turn
Counterclockwise
Fig. 14......... ............
g. Remove the locking rod from the locking rod slot.
l_lb WARNING: To avoid serious personal injury ]
or damage to the unit, do not start or operate l
this unit with the locking rod in the locking |
rod slot.
1
WARNING: Do not sharpen the cutting
blade. Sharpening the blade can cause the
blade tip to break off whilst in use. This can
result in severe personal injury. Replace the
blade.
REMOVE THE CUTTING BLADE AND INSTALL
THE CUI-FING ATTACHMENT
Remove the Cutting Blade
WARNING: To avoid serious personal injury,
always wear gloves whilst handling or
installing the blade.
1. Align the shaft bushing hole with the locking rod
slot and insert the locking rod into the bushing hole
(Fig. 8).
2. Hold the locking rod in place by grasping it next to
the boom of the unit (Fig.15).
10
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