Subaru 1600 Service Manual page 132

3) Accelerating Pump System
(Fuel)
FUEL SYSTEM
Float chamber
Inlet valve (Ball) Pump cylinder
r - - - ,
Pump nozzle
To intake manifold
Fig.
4·9
Fuel flow in accelerating pump system
4) Power System
(Fuel)
Float chamber . .Power valve
Entry of (uel to main system
To intake manifold
Fig. 4·11 Fuel flow in power system
,
,
! l.. _ _
!... - - -
o
Primary side
Fig. 4-12 Power system
A8-428
Outlet valve
A8·008
4-10
Pump
nozzle
Primary side
-:. I nlet valve
IBaUl
Outlet valve
(I njector weight)
Large
venturi
Fig. 4·10 Accelerating pump
A8·378
Main nozzle
(Primary)
1----,
Small venturi
(primary)
....
-----'
AS.()l1
A8·428