Crushers may look tough - and they are. But even the strongest jaw crushers, cone crushers, and impact crushers have their limits.In real operations, a few common mistakes or overlooked issues can quickly lead to serious damage, unexpected downtime, and costly repairs.The good news? Most of these problems are completely avoidable - if you know what to watch out for.Let's take a look at some of the most common causes.

crusher
Feeding Issues:Materials like high-hardness stones, metal pieces, or uncrushable objects (such as bolts and steel bars) can cause big problems. Oversized feed that exceeds the machine's design limits is also a risk.These can result in blockages or even damage key parts like the swing jaw, hammers, and liners.
Overloading:Running the machine at full load - or even overloading it - for long periods is a common mistake. When the motor current goes beyond its rated level, problems start to build up.Over time, this can burn out the motor, overheat the bearings, and significantly shorten the machine's lifespan.
Severe Wear of Wear Parts:Not replacing worn parts like hammers, liners, or cone crusher mantle in time.This reduces crushing efficiency, lowers productivity, and may even damage structural components.
Electrical Issues:Unstable voltage, incorrect wiring, or failure of protection systems.These can damage the motor or cause control system failures.
Environmental Factors:Heavy dust, poor heat dissipation, moisture, or water entering the machine.These can cause short circuits, corrosion, and rust.
Improper Operation:Starting or stopping the machine under load, or forcing startup without clearing blockages.This can cause sudden impact, leading to machine jams or even shaft breakage.
Different types of crushers wear in different ways, and each machine is designed for specific materials. That's why it's important to address problems properly and never ignore even small issues.
Take a cone crusher as an example: The cone crusher mantle change should be done in time, or it will seriously damage the concave and other crushing parts, and result in poor product size.

DUMA Mantle For Cone Crusher
To extend the life of your crusher, here are a few key tips:
Keep metal materials out of the machine.
Follow proper shutdown procedures when not in use.
Add the right type and amount of lubricant regularly.
Replace wear parts on time.
Pay attention to environmental and weather conditions (dust and moisture control)
Operate the machine carefully and correctly
With proper care, your crusher will perform better and last much longer.
DUMA Machinery, we supply a wide range of crusher spare parts.
If you have any needs, feel free to concact us anytime.
We're here to help you protect every crusher!











