156 OPERATIONAL AND EMERGENCY BILLS 



4. When the compressor has been operated for 500 hours, change the oil and strainers. 

 Use straight naphthnic base oil. 



5. The operator will maintain a continuous watch when the compressor is in operation. 

 He will also keep the compressor and surrounding area clean at all times. 



Ingersoll-Rand H P Air Compressor 



1. Open outside natural air- supply vent and cut in electric supply air blowers. 



2. Check crankcase for correct oil level. 



3. Open unloaders to lessen load pressure and to drain off accumulated condensation. 



4. Push down the green "start" button and hold until the oil pressure builds up to at least 

 35 1b. 



5. Open main valve to accumulator and close unloaders. 



6. When the compressor has been operated for 100 hours, change oil and clean or replace 

 filters as required. If operating in a dirty or dusty area, change oil and filters more often as 

 considered necessary. 



7. When the compressor is operating, the two exhaust blowers at the after end of the com- 

 pressor must be running to pull cooling air across the receivers. If the blowers are not run- 

 ning, secure the compressor until the blowers can be started. 



8. The operator will maintain a continuous watch when the compressor is in operation. 

 He will also keep the compressor and surrounding area clean at all times. 



60 -kw Generator 



1. Cut in supply and exhaust blower 



2. Check starting batteries for proper charge. 



3. Cut in diesel fuel. 



4. Check oil level in crankcase. 



5. Check cooling water. 



6. Turn the starting switch to the right and hold until the engine starts. 



7. Adjust engine speed to maintain 40 lb of oil pressure. 



8. Cut in control panel and adjust as required. 



9. When the generator has been operated for 30 hours, change the oil (9250) and replace 

 the filter. 



10. The operator will maintain a continuous watch when the generator is in operation. Oil 

 leaks and drippings will be cleaned up and waste disposed of in a flashproof container. 



200-kw Generators 



1. Cut in supply and exhaust blowers. 



2. Check starting batteries for proper charge. 



3. Cut in diesel fuel. 



