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SKU 93853 For technical questions, please call 1-800-444-3353 PAGE 14
3. To replace the Motor Carbon Brushes: It may become necessary at sometime
to replace or clean the two Carbon Brushes (76) when the Motor performance
decreases, or stops working completely. The Carbon Brushes are located on
each side of the Motor Casing (61). To replace the Carbon Brushes, remove the
two Brush Holder Covers (79). Remove the Brush Caps (77). Then, remove the
two Carbon Brushes from the two Brush Holders (75). If the Carbon Brushes are
worn down, replace
both
Carbon Brushes. If, however, the Carbon Brushes are
just dirty they may be cleaned by rubbing them with a pencil eraser. If cleaning
and replacing used brushes, try to install them in the same holders and in the
same direction they were removed. When installing the Carbon Brushes, make
sure the carbon portion of the Carbon Brushes contact the Motor’s Rotor and that
the springs face away from the Motor. Also, make sure the springs operate freely.
After replacement or cleaning, replace the two Brush Holder Covers.
NOTE: New Carbon Brushes tend to arc or spark when first used until they wear
and conform to the Motor’s Rotor. (See Figure G.)
4. Every 70 to 80 hours of tool use: Remove the Oil Cap (45) and replace the
grease. Fill the tool with approximately 1-1/4 ounces of #3 Lithium-based
grease (not included). Then, replace the Oil Cap. (See Figure E.)
5. To clean the exterior parts of the Demolition Hammer, use only a clean cloth
and mild detergent. Then, dry. Use a vacuum or compressed air to clean the
Motor Air Vents. Do not immerse any electrical part of the tool in any liquids.
6. When storing, store the tool in a clean, dry, safe location out of reach of children
and other unauthorized people.
7. CAUTION! All maintenance, service, or repairs not mentioned in this
manual must only be performed by a qualified service technician.
FIGURE G
CARBON BRUSH
(76)
BRUSH HOLDER
(75)
BRUSH CAP
(77)
BRUSH HOLDER COVER
(79)