Fuel Feed Pump - Daewoo DE12T Manual

6.1.3. Fuel feed pump

1) General descriptions and construction
The P-type injection pump is mounted with K-ADS or KP type feed pump. These pumps have
the same basic construction and operation, and the general descriptions of the KP type
pump are given below :
The figures show its construction (right figure) and operation (below figure). The piston in the
fuel feed pump is driven by the push rod and tappet via the camshaft of injection pump and
performs reciprocating operation to control the suction and delivery of fuel. When the cam
reaches the Bottom Dead Center as shown in the figure, the fuel is drawn in through the
check valve on the inlet side.
Priming pump
플라이밍 펌프
Check valve
첵크 밸브
Inlet
흡입
side
Piston
피스톤
MAINTENANCE OF MAJOR COMPONENTS
- 135 -
Check valve
첵크 밸브
Tappet
타 펫
Cam shaft 캠 축
EQM4019I
토출
Outlet
side
EQM40