Delivery Test; Sealing Test; General Descriptions - Daewoo DE12T Manual

(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.

(3) Sealing test

Plug up the delivery port on the
feed pump and apply compressed
air of 2 kg/cm
Submerge the feed pump in a
container of diesel fuel and check
for air leak.
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 (1) 밸브 닫힘
MAINTENANCE OF MAJOR COMPONENTS
2 into the inlet side.
- 138 -
압축 공기
Compressed air
2kg/cm
2
(2) at valve opened (2) 밸브 열림
EAMC016I
Mass cylinder
메스 실린더
연료 공급 펌프 Feed pump
EQM4023I
EQM4024I
EQM4024I