How to replace new bearing for condenser fan motor?

17/09/2010 by 6 Comments

Have you faced any problem with bearing broken,jammed or stuck for your condenser fan motor?Are you know how to change a bearings unit?It look difficult task but if we have required tools,basic knowledge and passion,I’ve think all of you can do this job.

What we need for this job?The important tools is bearing puller set,combination wrench set,WD-40 (anti-rust),pliers,hammer,screwdriver,grease and cotton rack.

In the maintenance job scope,replaced a new bearing for electrical motor is common jobs..This time i want to show you how to replaced a new bearing for Air-condition Out door unit CONDENSER FAN MOTOR. read more

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Molded Case Circuit Breaker

12/09/2010 by 4 Comments

What is MCCB ( Molded Case Circuit Breaker ) ?

It is a mechanical device ( BS 4752 ) to be used to connect and disconnect the circuit in normal and abnormal.Current rate for regular MCCB up to 3000 ampere.

It is only available in a 3 pole only, usually for a system that has a high ampere ratings in three ( 3 ) phase systems.For those who have ampere ratings than 400 ampere, the safety interlock system is prepared for security purposes because the current system are high.

There are two ( 2 ) types of MCCB commonly used in industry, it was: –

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