PureFlow AirDog DF-165-4G - GM Duramax 2015+ - Manual (Page 13)

13
PureFlow AirDog
AirDog
®
II-4G 2015 and UP DuraMax Diesel
Section 5-C Fuel Lines
AirDog
®
Fuel Return Line!
Installing the fuel 'Return to Tank' assembly in Filler Tube
Figure 21
5C-1. Cut filler tube as illustrated, removing ½ inch. Loose assemble clamps on each end of
filler tube.
Figure 22 Figure 23
5C-2. Insert “Return Fuel Filler Tube” assembly in filler tube. INSTALL THE FILLER
TUBE WITH ARROWS POINTING TOWARD THE TANK!! SEE FIG 20
Properly tighten clamps.
5C-3.
Insert the female quick connect end( see Figure 23) of the “Return Hose
Assembly” into the pre-installed male fitting in the port marked “Tank”.
The fitting will “click” when properly installed.
5C-4 Attach the other end of the “Return Hose Assembly” onto the male end of the
“Return Fuel Filler Tube” installed in step 5C-2. A ”click” will be heard when the
fitting is properly connected. Install as shown in figure 21.
5C-5 Any excess fuel hose can be addressed by routing the hose in a fashion to take up
the extra length, or a section of the hose can be removed. Push lock splices have
been included if you choose to remove the excess hose. Be sure not to kink the hose.
Fuel Tank
Hose Clamp
Filler
Tube
Fuel
Return
Fitting