WARNING:
Disconnect the rotary tool from the power supply before carrying out any adjustments,
service or maintenance.
IMPORTANT:
Servicing of the tool requires extreme care and knowledge and should be performed only by a
qualified service technician.
CLEANING AND INSPECTION
1. Always clean the tool and accessories after each use. Use a clean cloth and a soft brush to clean your tool.
2. NEVER use water or other liquids to clean the electrical portions of the tool.
3. Ensure that the ventilation slots are not blocked to prevent overheating.
4. Check the tools and accessories for any damage. Remove and dispose of damaged accessories.
LUBRICATING THE FLEX SHAFT
The flex shaft’s inner coil rotates at high speed during operation, generating friction and heat. It is important to lu-
bricate the inner coil of your flex shaft after several hours of operation to prevent it from overheating. To lubricate
the flex shaft, pull the inner coil out from the flex shaft. Apply an even coat of multi-purpose grease onto the entire
surface of the inner coil. Insert the inner coil back into the flex shaft.
CARBON BRUSHES INSPECTION AND REPLACEMENT (Fig. 13 & 14)
MAINTENANCE
13
Carbon Brush
Length
To maintain efficiency of the motor, inspect the two carbon brushes rou-
tinely. The wear on the carbon brushes depends on how frequently and
how heavily the tool is used. Replace the brushes when the brush length
gets down to 3/16 of an inch or when the tool stops working. Replacement
carbon brushes (Model
23103-009
) can be ordered at wenproducts.com.
1. Switch off and disconnect the tool from the power supply.
2. The carbon brush caps are located on the top and bottom of the rotary
tool (Fig. 13 - 1). To access the brushes, unscrew and remove the two
brush caps using the end of the wrench included with your tool kit.
3. Take out and inspect the carbon brushes (Fig. 14). If the brushes are
worn to under 3/16 inch in length, replace them with new carbon brushes
and reinstall the brush caps.
NOTE: Always keep carbon brushes clean and ensure that they slide
freely in the brush holders. Both carbon brushes should be replaced at
the same time.
PRODUCT DISPOSAL
Fig. 13
Fig. 14
Used power tools contain recyclable materials and should not be disposed with household waste. Please take this
product to your local recycling facility for responsible disposal and to minimize its environmental impact.
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