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This report "Troubleshooting, Diagnosis and Maintenance for ENLD Air Bottle and KAM" focuses on equipment that requires proper cleaning, inspection, maintenance and replacement of the parts that have worn out. These may include engineering verifications…
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Extract of sample "Troubleshooting, Diagnosis and Maintenance for ENLD Air Bottle and KAM"
Running Head: Troubleshooting, Diagnosis and Maintenance
Troubleshooting, Diagnosis and maintenance
Student’s name
Course/Number
Date
Instructor’s name
Troubleshooting, Diagnosis, and Maintenance.
Under normal circumstances, equipment requires proper cleaning, inspection, maintenance and replacement of the parts that have worn out. These may include engineering verifications. Maintenance is important to keep the equipment working all the time efficiently. An effective model for troubleshooting is available in the supplier manual book to optimize the running of the system. In coming pages, five different equipment used in the project are discussed in detail, regarding the troubleshooting, diagnosis, and maintenance.
Dewatering water sensing probes
Here we collected the most possible faults and their causes with the advised corrective actions.
Problem
Causes
Corrective measures
KAM ATD not working
-Not connected to power
-the antenna have failed
- sensors have failed
- Alarm is faulty
-connect power
- switch on Turn OFF/AUTO switch
-replace the alarm
-check connection, if faulty replace the alarm
Sensor 1 fails to trigger the shutting of the
MOV as oil concentrations increase
-Not connected to power
- sensors is faulty
- power is off
-wrong connections
Wrong set up -mov is faulty
Wrong set up
-mov is faulty
-make proper set up
-replace the sensor
Put proper cable connections
Switch power on
Sensor 2 fails to trigger both
an alarm and the closing of the MOV.
Sensor is faulty
-alarm is faulty
-mov is faulty
- power is off
-wrong connections
Wrong set up
Replace the Sensor
Replace the alarm is
Replace the mov
- switch on the power
-wrong connections
- set the parameters correct
oil emulsion drains from the tank
-sensors are faulty
-replace the sensors
Replace the alarm is
Replace the mov
- switch on the power
-wrong connections
- set the parameters correct
Comment 1: Antenna are meter reading and any fluid at the probe's antenna will influence false readings.
Comment 2: this power switch with the system
Comment 3: the sensor is substituted when it fails to work completely
Comment 4: the alarm is linked to probe via a sites telemetry system and it is replaced with new one when it can be repaired.
PLC Controller
The following shows causes, problems and correction measures taken when LOGO (logic modules) is not functioning properly.
Cause
Corrective measures
LOGO! 8(logic modules)
not working
-fuss
- power failure
- failure of the Display HMI
-Ethernet failure
- LCD display failure
- Ethernet interface
-connect power
- connect internet switch
-replace Fuss
- replace display
- Digital I/O expansion modules
-network failure
-connect internet
-
-make proper connection
-replace the network card
Put proper cable connections
Failure of LCD display
LCD display unit is faulty
-
Replace the LCD display
Replace the alarm when it fails
Failure of power
-fuss is faulty
-power connections is faulty
-wrong cables
-replace the cables
-replace the fuss
Replace the mov
- switch on the power
-wrong connections
- set the parameters correct
Comment 5 Ethernet interface for programing
Comment 6: Ethernet switch controls programming interface
Comment 7 deleted
Comment 8: Ethernet connection is connectivity when using
Comment 9: Ethernet card is used programming interface
Comment 10: Replace the alarm when alarm fails
Comment 11: a varistor is MOV and when varistor fails or produces high voltage it is replaced.
Solenoid valves
The following shows causes, problem and correction measures taken when solenoid valves are not functioning properly.
Fault
Cause
Corrective measures
Sоlеnоid valves not working
- faulty valve balls.
-replace the sоlеnоid vаlvеs
sоlеnоid vаlvеs fails to open
- wrong type of valve balls
- faulty
- Use right specification for valve balls
-Repair or replace the valve balls
Ball taking in liquid
-having cracks
Loose ends
-replace balls .
No-Loss air bottle drain valve.
The following shows causes, problem and correction measures taken when the No-loss drain valve Is not functioning properly.
Problem
Cause
Corrective measures
ЕNLD air bottle not working
- Power cord not plugged in.
- Motor overload relay tripped.
- Fuse blown &/or circuit breaker is tripped.
- Defective pressure switch.
- motor is faulty
- not lubricated
-Wrong power voltage.
-power cord plugging in
-Repair the failed components
- lubricated
- replace defective pressure switch
- use the right power voltage
Power fails function properly
- use of wrong specification for cord
- wrong electrical connection
- insufficient power supply
- Use right specification for motor
-Ensure proper power supply
-Repair or replace the components
Fuses failure
-Power outage or overload
-Defective fuss
-wrong size fuse or circuit breaker
-have proper electrical connections.
-change fuss
-make proper connections – -connect uninterrupted power supply
-put proper components.
Noisy operation and excessive vibration
-No lubrication is done
-valves have mechanical errors
- worn out parts
- lubricate
-Replace worn out parts
-Tighten loose parts
- Clean.
Comment 12: deleted item
Comment 13: replaced with “replace defective pressure switch”
Comment 14: deleted
Routine Maintenance
Here are some advised routine maintenance checks to be done by the engineers onboard for all drain system components
Tank Dewatering
Inspect
Daily
Weekly
Monthly
Half annual
Personnel
Probe function
×
4th engineer
Alarm
×
4th engineer
Drain valve operation
×
4th engineer
concentrations reaching predetermined
level
×
2nd engineer
Comment 15: Routine maintenance checks for Tank Dewatering will require probe function be checks daily as it is in use, because if it fails the system will fail. The alarm and drain valve should be checked weekly while concentrations reaching predetermined
PLC Maintenance
Air bottle drain
Inspect
Daily
Weekly
Monthly
Half annual
When it fails
Personnel
Drain line passage
×
4th engineer
Electric wires
×
4th engineer
Sensors
×
×
4th engineer
Air solenoid operation
×
×
4th engineer
Power connections
×
×
4th engineer
Condition of the valve housing
×
4th engineer
Comments
Comment 1: Antenna are meter reading and any fluid at the probe's antenna will influence false readings.
Comment 2: this power switch with the system
Comment 3: the sensor is substituted when it fails to work completely
Comment 4: the alarm is linked to probe via a sites telemetry system and it is replaced with new one when it can be repaired.
Comment 5 Ethernet interface for programing
Comment 6: Ethernet switch controls programming interface
Comment 7 deleted
Comment 8: Ethernet connection is connectivity when using
Comment 9: Ethernet card is used programming interface
Comment 10: Replace the alarm when alarm fails
Comment 11: a varistor is MOV and when varistor fails or produces high voltage it is replaced.
Comment 12: deleted item
Comment 13: replaced with “replace defective pressure switch”
Comment 14: deleted
Comment 15: Routine maintenance checks for Tank Dewatering will require probe function be checks daily as it is in use, because if it fails the system will fail. The alarm and drain valve should be checked weekly while concentrations reaching predetermined
Summary
There should be periodic maintenance and repairs of all mentioned equipment. Any modifications such as addition to the equipment should be carried with written sanction from the manufacturer or a qualified engineer. There should be regular inspection, testing and maintenance. The instructions should be written, and the frequency of the inspections, testing and maintenance should be based on the amount of work done by these equipment. The instructions in place should at least match the minimum requirements has laid out by the manufacturer of the equipment. Proper records of all inspection, testing and maintenance carried out on each equipment should be maintained at the workplace.
Inspection should be done by trained, competent and experienced hands. These employees should be well aware of the hazards of handling these equipment and the environment in which they are operated. The supervisors should be well aware of the policies and procedures of their employers with respect to handling the equipment, and if there are any unsafe working conditions in the workplace, then they should be identified, reported and corrective action should be taken. Supervisors and managers should be perpetually alert to unsafe work conditions and take corrective steps as and when unsafe work conditions arise.
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