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#SIMAIRPORT FUEL TRUCK NOT WORKING INSTALL#
#SIMAIRPORT FUEL TRUCK NOT WORKING SERIAL#
#SIMAIRPORT FUEL TRUCK NOT WORKING FREE#
#SIMAIRPORT FUEL TRUCK NOT WORKING CRACK#

Allow the vehicle to sit the same amount of time as it did to loose prime originally. Crimp the line close to the injection pump and turn the FASS off. With the proper type of locking pliers crimp-off the fuel line supplying the injection pump (or engine’s fuel pump) with fuel from the FASS. Immediately after shutting the vehicle off, start the FASS unit again and allow it to run.Perform the ‘5 Gallon Bucket Test’ again.Make sure the suction line is in good operating condition.Check all connections and fuel line for obvious air/pressure leaks (a leaky unit can cause a break in the vacuum, allowing the fuel to drain back into the fuel tank).Note: if Dodge 24-valve, refer to “Hard Starts”

If you have good pressure you are not loosing prime.

Make sure your pressure gauge is working properly then check the pressures at both the FASS unit and the injection pump (or fuel pump).

Perform the ‘5 Gallon Bucket Test’ (refer to Table of Contents).

#SIMAIRPORT FUEL TRUCK NOT WORKING FREE#

Place your thumb over the separator’s nipple (make sure the line is free of any obstructions and sharp bends).What is the condition of the water separator?.Is the pump operating? How much fuel do you have? Do you have enough?.

#SIMAIRPORT FUEL TRUCK NOT WORKING SERIAL#

Does unit have a serviceable brush motor? If yes, make sure you have the 5/8” Buna Ball serial #’s up to 4931 on FASS 150 series only.If filter is still not priming answer the following questions:.As soon as the tone changes immediately tighten the filter.You will hear the air being released and the tone of the motor should change as the fuel loads the pump LOOSEN FUEL FILTER (not the water separator) while only the pump is running.Once the tone has changed then tighten the filter.Allow it to run 30 – 60 seconds (the tone of the motor should change once the fuel reaches the pump).Turn unit on (Dodge 24 valve may need to bump the starter more than once, so do this before the pump shuts off).

#SIMAIRPORT FUEL TRUCK NOT WORKING CRACK#

With engine off, crack the fuel filter (not the water separator).

Make sure material inside is a wire screen mesh (don’t use paper or cellulose)

With engine off, loosen clamps on both sides of filter.

#SIMAIRPORT FUEL TRUCK NOT WORKING INSTALL#

Install new filters (Torque specs are in your owner’s manual).

PROCEDURES FOR SERVICING THE FILTER/SEPARATOR No less than 7 psi (light will come on at 7psi) With a Fuel Pressure Gauge/Indicator Light (part # IL-1001) Losing fuel pressure/running out of fue.l High fuel pressure after installation. Pump sounds as though it’s turning on and off. Procedures for servicing your filters/separator. You can clean the connections, but be careful that the foil doesn't peel loose from the flexible plastic "board." The board is fairly durable, but doesn't like to be bent excessively.Recommended service life. Referring now to the printed circuit on the back of the cluster, even light oxidation of the copper foil wherever there is a mechanical connection (like at the harness plug or the steel spring clips at the back of the gauges) can cause connection problems. The black ground wire may be attached to the cab sheetmetal by a screw, a spade terminal, or a u-clip in any case make sure there is a good connection to clean bare metal.

If the pink ignition wire(s) aren't energized with the key ON, your gauges won't work. If necessary, you can probe the harness cluster plug for power and ground.

GM uses pink w/ black stripe wiring for ignition and solid black wiring for ground in the dash harness. If you still have issues with your gauges after checking the above, with the ignition switch turned ON, check both sides of your fuses using a test light. Birddog, sounds like you either lost ignition or ground to the cluster.