Presented To

Department of Mechanical Engineering


The rehabilitation and repair of a faulty air conditioner was the project undertaken by the group of student listed above in the mechanical Engineering department.
Before embarking on the project, the following fault were detect and rectified, such as
(a)    Blockage of the condenser by impurities
(b)    Undersized compressor
(c)    Poor capacitance of the capacitor
(d)    Bad plug and
(e)    Drier strainer was also blocked by impurity.
These factors leads to the total breakdown of the air conditioning system.  It was checked detected and rectify by some basic instrument which were replaced with a new one.
According to the state of the air conditioning system, we carried out a breakdown maintenance on it, and as a result of its cost of product a preventive maintenance was employed.
In conclusion, we arrived at the state of putting the system in a satisfactory condition to serve its purpose in a long-term run.
And lastly, we recommend the maintenance department to keep the machine in a good operating condition by applying some of the lubricating oil listed overleaf to enable a durable performance of the air conditioning system.


Title page
Letter of transmittal
Approval page

1.0    Introduction
1.1    Literature

2.0    Analysis of the air conditioning cycle
2.1    Air conditioning maintenance
2.2    Preparation for repair
2.3    Fault detection and repair    
2.4    Precaution taken
2.5    The principle operation of air condition
2.6    Air condition Application
2.7    Component of air conditioner
2.8    Sequence of operation
2.9    Cost analysis

3.0    Conclusion
3.1    Recommendation

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