PureFlow AirDog FP-150 - Dodge Cummins 1989-1993 - Manual (Page 11)

11
PureFlow AirDog
AirDog® 100 & 150 Dodge Cummins 1989 - 1993
Section 5-B Engine Fuel Return to Tank
VE Injector Pump and Injector Bleed Line Return to Tank, cont’d!
5B-6. Connect the original fuel return line to
the other end of the Return “T” Push
Lock Coupler fitting.
Figure 23
NOTE: The mechanical fuel pump must be disabled by removing the plunger.
5B-7. Remove the mechanical lift pump by removing the two bolts on each side of the
pump. Remove the plunger. Be very careful, DO NOT drop the plunger into the oil
pan.
Block Off Plate
(Not Included In Kit)
Figure 24 Figure 25
5B-8. Either re-install the pump on the engine without the plunger or cover the mechanical
pump port on the engine with a Big Block Chevy pump “block off” plate from your
local auto parts store.
Section 5-C AirDog® Fuel Return To Tank
Fuel Return Line from the AirDog
®
to the Tank
Installing the fuel 'Return to Tank' assembly in Filler Tube
Figure 26
5C-1. Cut filler tube as illustrated, removing ½ inches. Loose assemble clamps on each end
of filler tube.
Fuel Tank
Hose Clamp
Filler
Tube
Fuel
Return
Fitting