If you're running a RUIHONG pneumatic sanding pad, here are some common issues you may experience. You can use this article to help you solve such problems as air leaks, uneven sanding and noisy operation. You can keep your sanding pad running comfortably and easily by following these steps
Locating air leaks in the pneumatic sanding pad
Air leaks are the cause of your sanding pad operating inefficiently. Is it possible to detect leaks? Pull this up to leak find, like listen, to high hissing sounds, feel air leaking from. If you're able to detect leaks? Raise the bar to LEAK, Listen for a hissing sound, feel air escaping from the connections. Ensure all fittings are secure. If there is still a hissing sound, apply soapy water to the hose and fittings. Bubbles will form where the air is escaping. Tighten or replace components with leaks and replace damaged parts

Air pressure can be adjusted for exactly the right performance for deep-penetrating sanding applications
Correct air pressure is imperative for maximum sanding performance. Too little pressure? The pad won’t spin fast enough. If it’s too high, it can over-topple the pad or the material you’re sanding. Refer to the manufacturer shop manual for the recommended operating pressure for your RUIHONG sanding pad; and use a pressure gauge to set your compressor according
Maintaining and cleaning your pneumatic sanding pad for smooth results
The cleaner you can keep your sanding pad, the better it will perform. Wipe clean of dust and dirt after each use. Look at the pad close and check for wear on the pad and replace if worn out. Also, apply a few droplets of oil into the air inlet to keep the motor well lubricated. This is a routine maintenance you should be doing to get even finishes and increase the life of your sanding pad

Inspecting disc to ensure proper alignment and balance for smooth sanding
An improperly balanced or misaligned sanding disc may result in uneven sanding. To verify that the alignment is good, turn the pad off and make sure the disc centers. If it’s off-center, loosen the disc, adjust the position and tighten it up. Run the pad at full speed to determine balance. If it does, the disc is probably unbalanced. If something is not working can you put the disc in a different position or replace it
Vibration and Noises in Pneumatic Sanders
If you have ever used a sanding pad, you know how vibration and noise can absolutely drive you crazy. These are usually due to an asymmetrical disc or floating components. Verify disc balance as stated above. And, If they are there, tighten any loose screws or fittings. If the problem persists, the internal components of the pad could be worn and require professional repair
Using this troubleshooting guide, you should be able to identify and fix the most common problems with your RUIHONG pneumatic sanding pad and get back to work with very little downtime
Table of Contents
- Locating air leaks in the pneumatic sanding pad
- Air pressure can be adjusted for exactly the right performance for deep-penetrating sanding applications
- Maintaining and cleaning your pneumatic sanding pad for smooth results
- Inspecting disc to ensure proper alignment and balance for smooth sanding
- Vibration and Noises in Pneumatic Sanders
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