Clarke 3110877 CAT121 Dual Action Sander Instructions
![Clarke 3110877 CAT121 Dual Action Sander manual cover](/images/RVZXBfRGhYfQWAzuyKJvYiEC/thumbs/thumb175x175.webp)
To connect the sander to an air compressor, ensure the compressor is turned off, then attach the air hose to the sander's air inlet using a compatible quick-connect fitting. Ensure the compressor's pressure is set between 70-90 PSI for optimal performance.
To change the sanding pad, first disconnect the sander from the air supply. Use the provided wrench to loosen the pad retaining bolt, then remove the old pad. Place the new pad onto the spindle and tighten the bolt securely.
Loss of power can result from insufficient air pressure or flow. Check the air compressor settings and hose connections. Ensure the air filter is clean and not restricting airflow.
Regular maintenance includes cleaning the sander after each use, checking and replacing worn parts like pads, and lubricating moving parts with a few drops of pneumatic tool oil before and after use.
Excessive vibration can be caused by an unbalanced or damaged sanding pad. Inspect the pad for damage or wear and replace if necessary. Ensure it is properly centered and secured.
Yes, it is normal for pneumatic sanders to generate some heat during use due to friction. However, if it becomes excessively hot, check for overloading or incorrect air pressure settings.
The CAT121 is compatible with 6-inch hook and loop sanding discs. Ensure the discs are appropriate for the material being worked on and rated for the sander's speed.
To reduce dust, use a vacuum attachment if available, and work in a well-ventilated area. Wearing personal protective equipment like masks and goggles is also recommended.
The CAT121 is primarily designed for dry sanding. Using it for wet sanding is not recommended as it may cause damage to the tool and is unsafe.
If the sander does not start, check the air supply for adequate pressure and ensure all connections are secure. Inspect the tool for blockages and ensure the throttle lever is fully engaged.