Installation manual
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Installation Manual                Section 5 
PUREFLOW® DIESEL SYSTEM
AirDog™ 
FUEL LINES 
THIS SECTION IS APPLICABLE TO STOCK AND SLIGHTLY MODIFIED ENGINES.  
Fuel Suction Line 
5 - 1  From end of fuel line supplied with attached 'Quick Disconnect' fitting, measure  and 
cut length of line required to connect fuel tank SUCTION port to AirDog™ inlet port 
marked "Fuel In". 
5 - 2  Install #8 female swivel x 1/2" 'push lock' fitting into other end of fuel line 
(Ref. 5-1). 
Fig. 3 Fuel line installation 
5 - 3  Remove the original fuel suction line from fuel tank by squeezing the tabs on the  end 
of the connector together. Consult factory manual if unsure. Connect the 'New Fuel 
Line' Quick Connect fitting to fuel tank by pushing the connector onto the tank 
supply tube until connector seats. Check connection for seating. 
Fig. 4 
# 8 Flare Fitting 
Fuel Line 
To AirDog™ 
fuel “in” port 
To 
fuel tank 










