User Manual

The preset pressure is approximately 45 psi. Follow these steps to check or reset the fuel pressure. The port
with 1/8” Allen plug marked with the letter “P” is your fuel pressure port. Exceeding factory fuel pressure
may result in severe engine damage. Consult with engine manufacture before adjusting pressure!
With the pump running –
 Loosen the lock nut
 Turn the adjustment screw clock wise to increase pressure and counter clock wise to decrease pressure.
 Once desired fuel pressure is obtained, tighten lock nut.
Step 5: Review Installation
 Blow out any open lines/cover any open ports
 Bolts and fasteners properly tightened?
 Electrical harness and fuel lines secured and properly tightened? Reconnect the battery.
 Has the system been primed?
1. Turn key to the ignition position, turning on the FASS pump for 15 sec..
2. Crank engine and allow to run for at least 1 minute.
 Check for leaks.
 Start the engine
 Recheck all fluid and filter connections for leaks
 This pump comes with a 1 Year Manufacturer’s Warranty based on the date it has been manufactured.
To receive your extended Lifetime Warranty, you have 30 days from date of purchase to send the com-
pleted warranty information along with a copy of the purchase receipt in to Diesel Performance Prod-
ucts, Inc. Att: Warranty 16240 Hwy O Suite B Marthasville, MO 63357