(2) Delivery test Make a test with the feed pump mounted on a pump tester as illustrated. Operate the pump at the rate of 1,000 rpm and check to see if the pump delivery is more than 405 cc/15 seconds. EAMC016I (3) Sealing test Plug up the delivery port on the Compressed air 압축 공기 2kg/cm Mass cylinder 메스 실린더 feed pump and apply compressed air of 2 kg/cm 2 into the inlet side. 2 Submerge the feed pump in a container of diesel fuel and check for air leak. 연료 공급 펌프 Feed pump EQM4023I 6.1.4.
Injection nozzle 1) General descriptions Pressurized fuel delivered from the fuel injection pump is sprayed into the combustion chamber past the injection nozzle at proper spray pressure and spray angle, then burnt completely to achieve effective engine performance. (1) at valve closed (2) at valve opened (1) 밸브 닫힘 (2) 밸브 열림 EQM4024I EQM4024I - 138 - MAINTENANCE OF MAJOR COMPONENTS