week no.3

 Replaced leaking host at unit 3 hydraulic oil unit for HP bypass V.

 Preventive maintenance (PM) at unit 1 long retractable soot blower. During the preventive maintenance, all the soot blowers were checked for steam leakage. Besides that, the broken center support cam was replaced.

 The defect was at unit 3, QUZ boiler steam sampling system. One of the cooler was leaking. Therefore, the cooler was replaced with new cooler.

 Learned about boiler drum and steam circulation path in boiler. The function of boiler drum is to separate the steam generated in the furnace walls tubes from water.