Solutions for Mechanical Screen Faults
Publish Time: 2018-12-19 Origin: Site
Winter has arrived at the Northern Hemisphere. Some problems of the wastewater screening machines are exposed gradually.
In this topic, BOEEP will instruct you the solutions for mechanical screen faults.
Problem-1: The effect of slag removal is not satisfying
| Main Cause | Solution |
| Tooth rake is not in place | Adjust position |
| Excessive horizontal error for tooth rake | Readjust |
| Worn tooth rake | Repair or replace |
| Installation angle is too large | Readjust |
| Damage of grille bars | Repair or replace |
| Debris on the track | Clear away |
| Friction or collision between traveling wheel and trach due to large installation error | Adjust, repair or replace |
| Damage of traveling wheel | Replace |
Problems-2: Abnormal noise
| Main Cause | Solution |
| Obstruction when the rake moves | Adjust or repair |
| Bearing damage | Replace |
| Too much sediment at the bottom of the rotary drum screen | Clear away |
| Friction or collision between traveling wheel and trach due to large installation error | Adjust, repair or replace |
| Excessive or uneven gap of coupling | Readjust |
| There are debris on the track | Clear away |
Problems-3: Damage to wire rope or chain
| Main Cause | Solution |
| Lack of maintenance | Grease or replace |
| Long-term wear or tear | Repair or replace |
| Chain drops out | Replace |
| Unilateral ware due to uneven force on both sides | Adjust, repair or replace |
Problems-4: Great vibration of mechanical screen
| Main Cause | Solution |
| Excessive or uneven gap of coupling | Readjust |
| The horizontal error of drum screen is too large | Readjust |
| There are debris on the track | Clear away |
| Friction or collision between traveling wheel and trach due to large installation error | Adjust, repair or replace |
Problems-5: Irregular working of Reducer
Ref: Faults and solutions for reducer
Problems-6: Irregular working of Motor
Ref: Faults and solutions for motor