STARTING AND RUNNING CHECKS AND STOPPING OF AIR COMPRESSOR

 STARTING PROCEDURE

• check the air bottle pressure and drain  the air bottle for any condensate moisture.

1. Open air  bottle filling  valve.
2. Open compressor air discharge valve,
3. Check compressor sump oil level,
4. Open compressor air cooler cooling water inlet and outlet valves,
5. Purge out cooling water area -jacket etc,
6. Open drain valve of each stage,
7. Crank the compressor by hand a couple of times.
8. Make sure compressor body is free from any other foreign materials,
9.  Start the compressor,

RUNNING CHECKS:

1. close the air cooler air side stages drain valves, starting from 1st stage.
2. Check compressor lub oil pressure and cooling water pressure,
3. Drain each stage cooler and air bottle at regular intervals of 5 mints.
4. Check crankcase and all stages coolers for over heating,
5. Check for any abnormal sounds,
6. Check the air pressure and air temperature of air receiver and every stage of compressor.

STOPPING PROCEDURE:

1. when air bottle attained the required pressure
2. Open the air cooler drain valves (starting from 3rd stage to 1st stage)
3. Stop the compressor,
4. Close compressor outlet valve,
5. Close air bottle inlet valve,.
6. Drain air bottle to remove any condensate,
7. Shut the cooling water inlet and outlet valves, after air compressor has cooled down,
8. Check all valves are in their correct position.