Ryobi AG402 Manuel d'utilisateur Page 13

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13
To replace the guard:
Unplug the angle grinder.
Depress spindle lock button and rotate flange 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.
Using a screwdriver, loosen the clamp screw.
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 they 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
6 and 7.
Tighten clamp screw securely.
MAINTENANCE
WARNING:
When servicing, use only identical replacement parts.
Use of any other parts may create a hazard or cause
product damage.
WARNING:
Always wear safety goggles or safety glasses with side
shields during power tool operation or when blowing dust.
If operation is dusty, also wear a dust mask.
GENERAL MAINTENANCE
Avoid using solvents when cleaning plastic parts. Most
plastics are susceptible to damage from various types of
commercial solvents and may be damaged by their use. Use
clean cloths to remove dirt, dust, oil, grease, etc.
WARNING:
Do not at any time let brake fluids, gasoline, petroleum-
based products, penetrating oils, etc., come in contact
with plastic parts. Chemicals can damage, weaken or
destroy plastic which may result in serious personal
injury.
Electric tools used on fiberglass material, wallboard, spackling
compounds, or plaster are subject to accelerated wear and
possible premature failure because the fiberglass chips and
grindings are highly abrasive to bearings, brushes, commu-
tators, etc. Consequently, we do not recommend using this
tool for extended work on these types of materials. However,
if you do work with any of these materials, it is extremely
important to clean the tool using compressed air.
LUBRICATION
All of the bearings in this tool are lubricated with a sufficient
amount of high grade lubricant for the life of the unit under
normal operating conditions. Therefore, no further lubrica-
tion is required.
WARNING:
To prevent accidental starting that could cause possible
serious personal injury, turn off the tool, and unplug the
angle grinder before performing any maintenance or
adjustment.
GUARD REPLACEMENT
See Figure 9.
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.
WRENCH
FLANGE
NUT
GRINDING
WHEEL
GUARD
DISC
FLANGE
CLAMP
SCREW
TO
LOOSEN
TO
TIGHTEN
SPINDLE
LOCK
SPINDLE
BEARING CAP
Fig. 9
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