Page 177 - CITS - Fitter Trade Practical - Volume -2

FITTER - CITS

Skill Sequence

Overhauling a lubricator of FRL unit

Objectives : At the end of this exercise you shall be able to
• overhaul lubricator.

Hold the lubricator body and unscrew the bowl by hand. (Fig 1)
Drain oil from bowl.
Clean the bowl and rinse it in soap solution.
Dry it with a clean cloth.

Clean the filter at the tip of the dip tube. (Fig 1)

Fig 1

Ensure dip tube in its location.
Screw the bowl into it position tightly.

Open the inlet valve.
Observe the pressure gauge.
Fill it with correct grade of oil as per manufacturers recommendation to the level marked.
Maintain oil level.

Do not fill above or below the marked level. (Fig 1)
Mounting and reading of pressure
Mount the FRL unit on the trainer kit.
Ensure the flow of air is in line with arrow mark on the FRL unit.
Needle of pressure gauge indicates the pressure on the dial behind it. (Fig 2)

Pressure is measured in kg/cm2 or kgf/cm 2

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CITS : C G & M - Fitter - Exercise 89