Ryobi 890r Remove The Cutting Blade And Install The Cutting Attachment, Assembly Instructions

ASSEMBLY INSTRUCTIONS

4.Center the cutting blade on the pilot step of the output shaft bushing (Fig. 11).

Output Shaft

Pilot Step

Output Shaft

Bushing

Fig. 11

5.Make sure that the cutting blade is centered on the pilot step and sitting flat against the output shaft bushing (Fig. 12).

WARNING: If the cutting blade is off-center, the unit will vibrate, and the blade may fly off, which can cause serious personal injury.

Pilot Step

Fig. 12

6.Align the shaft bushing hole with the locking rod slot and insert the locking rod into the bushing hole (Fig. 8).

7.Put the blade retainer and nut on the output shaft. Make sure that the blade is installed correctly.

8.Tighten counterclockwise against the blade while holding the locking rod (Fig. 13).

•If using a torque wrench and an 5/8 inch socket tighten to;

325 - 335 in•lb,

27 - 28 ft.•lb,

37 -38 N•m.

•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. 14).

1/4-1/2 turn

Counterclockwise

Fig. 14

9. Remove the locking rod from the locking rod slot.

WARNING: To avoid serious personal injury or damage to the unit, do not start or operate this unit with the locking rod in the locking rod slot.

10.Remove the cutting blade cover by un-snapping the plastic lock on the cover and pulling it from the blade. Store the cover for future use.

WARNING: Do not sharpen the cutting blade. Sharpening the blade can cause the blade tip to break off while in use. This can result in severe personal injury. Replace the blade.

REMOVE THE CUTTING BLADE AND INSTALL THE CUTTING ATTACHMENT

Remove the Cutting Blade

WARNING: To avoid serious personal injury, always wear gloves while handling or installing the blade.

1.Install the cutting blade cover. Pull the cover around the blade and click the plastic lock.

2.Align the shaft bushing hole with the locking rod slot and insert the locking rod into the bushing hole (Fig. 8).

Counterclockwise

Fig. 13

11