Komatsu SDA6D140E-3 - Page 135

140-3 SERIES
11-71
STRUCTURE AND FUNCTION, MAINTENANCE STANDARD FUEL PIPING
Specifications
Fuel supply pump
• Maker: Nihon Denso
• Type: Denso ECD-U2
• Lubrication method: Forced lubrication
using engine oil
A.
Fuel inlet
B.
To fuel filter
C.
From fuel filter
D.
To injector
E.
Fuel return (between overflow valve and fuel tank)
F.
Fuel return (between injector and fuel tank)
G.
Engine oil (to fuel supply pump)