Jaw crusher cheek plate replacement skills

Jaw crusher cheek plate is one of its key components, due to long-term high load and impact force, cheek plate wear is more serious, need to be replaced regularly. The correct replacement method and precautions can ensure the normal operation of the jaw crusher and extend the service life of the equipment. This paper will introduce in detail the steps and precautions of jaw crusher cheek plate replacement.

Frist. Preparation for replacing the cheek plate
1. Prepare tools
To replace the cheek plate, prepare the following tools:
600 adjustable wrench
Wire rope
hammer
Pry bar
Sledge hammer
Electric welding
Crown block
2. Security measures
Make sure that the equipment is shut down and the power is cut off, and put up a "Do not operate" or "maintenance" warning sign.
Operators should wear complete personal protective equipment, such as safety helmet, gloves, protective glasses, etc.

Second, the steps to replace the cheek plate
1. Remove old cheek plate
Stop feeding and crusher operation: Before replacing the cheek plate, stop feeding and crusher operation to ensure that the equipment is in a static state.
Remove the bolt: Use a wrench to remove the retaining bolt of the cheek plate.
Loosen the side plate: loosen the screws of the side plate and lift the side plate out with the crane.
Remove the pressing block: Slowly take the fixing plate pressing block and place it next to it for use.
Welding lifting ring: welding the lifting ring to the moving plate and fixed plate to ensure that the welding is firm.
Lift out the old cheek plate: Use the crane to lift out the old cheek plate, ensure that someone is supervised during the operation to avoid injury.
2. Install new cheek plate
Clean the crushing chamber: Clean the dust and debris in the crushing chamber before installing the new cheek panel.
Hoist into the new cheek plate: Hoist the new cheek plate into the crushing chamber using a crane to ensure that the cheek plate fits well with the moving or fixed jaw.
Install the block: Put the block back in place and tighten the screws.
Tighten the bolt: Install the side plate and tighten the bolt to ensure that the cheek plate is firmly fixed.
Adjust the clearance: Adjust the clearance of the discharge port to ensure smooth operation of the equipment.

Third, the precautions for replacing the cheek plate
1. Safety first
During operation, ensure that the crane can move longitudinally relative to the jaw crusher.
When the cheek plate is hoisted, ensure that the wire rope is strong and avoid the wire rope breaking during the hoisting process.
When lifting the cheek plate, ensure that the lifting hole and the hook are firmly connected to avoid the cheek plate slipping during the lifting process.
2. Check the components
Before installing the new cheek plate, check whether the cheek plate is cracked or damaged to ensure that the quality of the new cheek plate is good.
During installation, ensure that all bolts and presses are properly installed and tightly tightened.
3. Maintain the device
After installation, clean up the site garbage and keep the working environment clean.
Test run the jaw crusher, observe the operation of the equipment, and ensure that the new cheek plate is installed correctly.

Replacing jaw crusher cheek plates is a careful process. Through the correct disassembly and installation steps, as well as strict safety measures, it is possible to ensure the normal operation of the jaw crusher and extend the service life of the equipment. I hope this article will help you better maintain your jaw crusher and ensure its efficient and safe operation.
If you have any further questions or need more detailed information, please feel free to contact us.