Page 176 - CITS - Fitter Trade Practical - Volume -2

FITTER - CITS
Dismantle, replace and assemble FRL unit

Objectives: At the end of this exercise you shall be able to
• overhaul FRL unit
• mount and read pressure on the pressure gauge.

Job Sequence

• Overhauling a filter of FRL unit and Lubricator.
• Drain the water from the filter unit.

• Hold the FRL unit in a bench vice in a horizontal position between soft jaws.
• Drain water from lubricator, by rotating drain plug.
• Hold the filter bowl with hand and unscrew it.
• Do not use pipe wrench since bowl (mostly of plastic) may break/damage.

• Use a spanner and remove the filter insert.
• Rinse the filter in clean kerosene.
• Blow the inner side of filter using compressed air.
• Rinse the bowl in soap solution and dry it with clean cloth.
• Place the filter insert and tighten the nut.
• Screw the bowl to the housing.

• Confirm the drain plug is in closed condition.

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CITS : C G & M - Fitter - Exercise 89