Winston Engineering Case Study 12
Case Study 12 Product: Zenit DR Blue Incident: Pump is not operating and has been dismantled by customer. Spare parts such as impeller, bearing, mechanical seal, motor coil and O-ring are damaged. Remedy: 1. All spare parts need to through maintenance periodically by referring to the instruction manual. 2. Pump condition must be investigated before using. All parts have been dismantled on customer's end. Both side of the impeller were damaged due to the unwanted objects went in to the pump. Some dirt that obstructs the operation and caused damage. Motor coil were burnt due to the overloaded duty from the dirt in pump. Possible Cause Analysis: Damaged parts are generally due to the impeller was stuck with dirt and caused pump motor over-running amp thus burned the motor. Rectification: 1. All damaged spare parts have been replaced and advice to the customer about maintenance has been delivered....