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14
MAINTENANCE
WARNING:
When servicing use only identical RIDGID
®
replacement parts. Use of any other parts may
create a hazard or cause product damage.
WARNING:
The random orbit sander should never be
connected to a power supply when you are
assembling parts, making adjustments, cleaning,
performing maintenance, or when the tool is not in
use. Disconnecting the tool will prevent accidental
starting that could cause serious injury.
General
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, carbon dust, etc.
WARNING:
Do not at any time let brake fluids, gasoline,
petroleum-based products, penetrating oils, etc.
come in contact with plastic parts. They contain
chemicals that can damage, weaken, or destroy
plastic.
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,
commutators, etc. Consequently, we do not recommended
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.
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.
Lubrication
All of the bearings in this tool are lubricated with a sufficient
amount of high grade lubricant for the life of the tool
under normal operating conditions. Therefore, no further
lubrication is required.
Brush Replacement
See Figure 11.
n Unplug the sander.
WARNING:
Failure to unplug the tool could result in accidental
starting causing possible serious injury.
n Remove screws (5) from top cover of sander.
n Remove top cover.
n Disconnect black lead terminals from brush tubes.
n Remove brush assemblies (2).
n Check for wear. Replace both brush assemblies when
either has less than 1/4 in. length of carbon remaining.
Do not replace one side without replacing the other.
n Reassemble using new brush assemblies. Make sure
curvature of brush matches curvature of motor and that
brush moves freely in brush tube.
n Reassemble by reversing the steps listed above.
n Tighten all screws securely. Do not over tighten.
Fig. 11
SCREWS
TOP
COVER
BRUSH
ASSEMBLY
BLACK
LEAD
BLACK
LEAD