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Maintenance – Ryobi AG452 User Manual

Page 15

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15

MAINTENANCE

GUARD REPLACEMENT

See Figure 13.
After extended use, the guard may become worn and need
adjustment or replacing. Or, if you drop the angle grinder and
damage the guard, it may be necessary to replace it.
To replace the guard:

Unplug the angle grinder.

Depress spin

dle lock button and rotate nut with provided

wrench until spindle locks.

Using the wrench provided, loosen and remove nut,

grinding or accessory wheel, and disc flange from spindle
if necessary.

NOTE: To prevent damage to the spindle or spindle lock,
always allow motor to come to a complete stop before
engaging spindle lock.

Unlock the guard clamp lever.

Remove the guard.

Place the new guard on the shoulder of the bearing cap,

aligning the arrow with the slot on the bottom of the angle
grinder.

NOTE: If the new guard will not fit, loosen the clamp

screw until it will slide over the bearing cap. Be sure the
tabs on the guard are seated in the groove in the bearing

cap.

Rotate guard to the correct position as shown in figures

9 and 10.

Lock the guard cl

amp lever.

Tighten clamp screw securely if needed.

WRENCH

FLANGE

NUT

GRINDING

WHEEL

GUARD

DISC

FLANGE

CLAMP

SCREW

TO

LOOSEN

TO

TIGHTEN

SPINDLE

LOCK BUTTON

SPINDLE

BEARING CAP

Fig. 13

ARROW

GUARD

CLAMP

LEVER