Maintenance - RIDGID R41421 Operator's Manual

MAINTENANCE

WARNING:
When servicing, use only identical replacement
parts. Use of any other part can create a hazard or
cause product damage.
WARNING:
Always wear eye protection with side shields
marked to comply with ANSI Z87.1 during product
operation. If operation is dusty, also wear a dust
mask.
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
a clean cloth 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. Chemicals can
damage, weaken or destroy plastic which could
result in serious personal injury.
NOTE: FIGURES (ILLUSTRATIONS) START ON PAGE 18
AFTER FRENCH AND SPANISH LANGUAGE SECTIONS.
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.
BRUSH REPLACEMENT
See Figure 14, page 21.
The cut-off machine has externally accessible brush
assemblies that should be periodically checked for wear.
Proceed as follows when replacement is required:
 Unplug the cut-off machine.
 Remove brush cap with a screwdriver. Brush assembly is
spring loaded and will pop out when you remove brush cap.
 Remove brush assembly.
 Check for wear. Replace both brushes when either has
less than 1/4 in. length of carbon remaining. Do not
replace one side without replacing the other.
 Reassemble using new brush assemblies. Make sure
curvature of brush matches curvature of motor and that
brush moves freely in brush tube.
 Make sure brush cap is oriented correctly (straight) and
replace.
 Tighten brush cap securely. Do not overtighten.
14 - English