1.Bearing Overheating

Possible Causes:

• Insufficient grease.
• Excessive grease.
• Contaminated or deteriorated grease.
• Damaged bearing.

Solutions:

• Add the appropriate amount of grease.
• Ensure grease fills 50% of the bearing’s space.
• Clean the bearing and replace the grease.
• Replace the damaged bearing.

2.Oversized Discharge Particles

Possible Causes:

• Worn hammerhead.
• Broken screen bar.

Solutions:

• Replace the worn hammerhead.
• Replace the broken screen bar.

3.Reduced Output

Possible Causes:

• Blocked screen bar gap
• Uneven feeding

Solutions:

• Stop the machine and clear any blockages in the screen bar gap.
• Adjust the feeding mechanism for even distribution.

4.Knocking Sound from the Elastic Coupling

Possible Causes:

• Loose pin,
• Worn elastic ring

Solutions:

• Stop the machine and tighten the pin nut.
• Replace the worn elastic ring.

 5.Knocking Sound Inside the Machine

Possible Causes:

• Non-crushable objects in the machine,
• Loose liner fasteners causing the hammer to hit the liner,
• Broken hammer or other parts

Solutions:

• Stop the crusher machine and clear the crushing chamber.
• Check and tighten the liner fasteners, ensuring a proper gap between the hammer and the screen bar.
• Replace any broken parts.

6.Machine Vibration

Possible Causes:

• Rotor static balance issues due to hammerhead replacement or cone headwear,
• Broken hammerhead causing rotor imbalance,
• Bent or broken pin shaft,
• Cracked triangular or round plate,
• Loose anchor bolt

Solutions:

• Remove the hammerhead and ensure the total weight of the hammers on each hammer shaft is balanced.
• Replace the hammerhead.
• Replace the bent or broken pin shaft.
• Repair or replace cracked plates with electric welding.
• Tighten loose anchor bolts.

By following these troubleshooting steps, you can effectively address common issues with industrial crusher and ensure their optimal performance.