Job Summary:

Ø Use a range of tools and engineering techniques to maintain and repair mechanical plant machinery and equipment to operational standards.

Ø Work includes the identification of defective or worn mechanical components or equipment, repair/replacement of worn/faulty components or equipment, and modifications.

Ø Parts may be repaired or manufactured using the general application of workshop machines.

Ø Use precision measuring instruments to check parts for accuracy and fit.

Duties and Responsibilities:

Ø Unpack rotor and other small parts.

Ø Apply mask to rotor before blast cleaning according to established procedure.

Ø Blast cleaning operation (In the blast booth, wearing blast suit and respirator)

Ø Rotate the rotor in the blast booth by human power together with co-workers.

Ø Give direction to crane operator about handling of rotor.

Ø Operate forklift.

Ø Carry-in/out the rotor to/from the blast booth.

Ø Safety monitoring of blast cleaning operator from outside of blast booth

Ø Collect blast media (grass beads) in the blast booth in order to recycle them.

Ø Keep inside and outside of blast booth clean.

Ø Dispose dust discharged from a dust collection system of blast facilities.

Ø Familiar with using inside outside micrometer and able to measure rotor and its components accurately.

Ø Familiar with using vernier caliper.

Ø Perform stacking and unstacking of impeller to/from the compressor shaft by shrink fitting method with supervision (in cooperation with co-workers using gas torches).

Ø Perform runout correction of impeller with supervision (in cooperation with co-workers using gas torches).

Ø Remove and re-assemble small parts of rotor with supervision.

Ø Remove and re-assemble coupling hub and thrust disc by hydro fitting method.

Ø Perform blading work of turbine rotor under the supervision of expert.

Ø Perform dynamic balancing of rotor and components of rotor using balancing machine

Ø Measure the inside diameter of heated impeller smoothly and quickly using inside micrometer before shrink fitting.

Ø Measure the surface temperature of heated impeller using contact thermometer.

Ø Perform cleaning and hand finishing of rotor and its components.

Ø Install dummy shaft into impeller before impeller solo balancing.

Ø Remove dummy shaft from impeller after impeller solo balancing.

Ø Perform unbalance correction of impeller using grinder according to the directions from machinist or engineer.

Ø Raise rotor up/down in cooperation with crane operator, using rotor raising stand and crane.

Ø Check level of impeller and its table before stacking.

Ø Measure the gap using feeler gauge.

Ø Smoothen up corrosion, dent marks, scratches, stripes and scales of rotor according to the directions from engineer.

Ø Apply short term rust preventive oil during works.

Ø Apply long term rust preventive oil before shipment.

Ø Perform packing work according to established procedures.

Ø Perform routine maintenance tasks on blast machine as required.

Ø Perform routine maintenance tasks on VTL and CNC lathe as required (in cooperation with machinist.)

Ø Perform routine maintenance tasks on balancing machine as required (in cooperation with machinist.)

Ø Maintain a clean and organized work area and maintain all equipment, to like new appearance, according to maintenance plans and established procedures.

Ø Perform un-blading and blading onto GT rotor.

Ø Perform coupling blued check (coupling surface contact check) of rotor

Functional Relation:

• Maintain a positive work atmosphere by acting and communicating in a manner so that you get along with customers, clients, co-workers and management.
• Comply with safety regulations, laws and internal rules.

Skills

• Ability to work in a multidisciplinary team with people with different cultures and nationalities
• Mechanical and shop safety knowledge
• Mechanical drawing reading and comprehension
• Ability to effectively communicate in English with engineer, management and other co-workers
• Able to understand and carry out instructions of written and oral form.
• Wear proper PPE (Personal Protective Equipment) as required.
• Overtime is required as needed to meet our customer needs.