MAINTENANCE OF MTW EUROPEAN TYPE TRAPEZIUM MILL

1. During the operation of the grinder, there must be permanent professional staff being in charge of it. Prior to installation of the equipment, people concerned with operation, maintenance and electricity must be technically trained. The handlers should know the principle and performance of the grinder and be familiar with the operation procedures.
2. To ensure normal operation of the equipment, laying down maintenance and safe operation system of the equipment is required. Simultaneously, necessary tools for checking and repairing, lubricating oil and grease and spare parts must be available for immediate use.
3. Overhaul the grinder regularly and change the spare parts such as roller, grinding ring, blade if they are worndown. Check the connecting bolt and assure that they are not loosen before using the grinder .under no circumstance can you ignore the importance of regular lubrication.
4. When roller be replaced, to clean bearings in them and replace broken ones, and then fill enough oil and grease (with oil-pump or grease-gun)

COMMON PROBLEMS & SOLUTION

Problem: no powder output or low capacity.
Solution:
(1)To check and make it sealed-up
(2)To replace the worn shovels

Problem: Powder too rough or too fine
Solution:
(1)Replace the blades and decrease airflow for finer powder.
(2)Increase airflow if powder is too fine.

Problem: The electric current and the heat of the main motor goes up, the current of the blower comes down.
Solution:
(1) reduce the feeding amount, then clear-up the flow channel,
(2) reduce the moisture through the pipeline.

Problem: Abnormal noise and too much vibration of the grinder
Solution:
(1) adjust the amount of feeding, to guarantee coaxiality, to adjust the gap between the two couplings
(2) control the feeding size
(3)to replace rollers and ring.

Problem: Vibration of blower
Solution:
(1)To get rid of powder on the blades or replace them
(2)to fasten the bolts

Problem: Heat-up of transmission and separator’s oil tank
Solution:
(1) check and ensure the right oil used,
(2)check revolving direction of the separator.

Problem: Powder’s entering into roller assembly leads to bearing easy to be worn out
Solution:
(1) fill oil and change oil on time
(2) clear up and replace oil-seal regularly.