FUEL PUMP - CONTINUED
New O-ring (12)
Install on bottom of shutdown valve.
Pipe plug (13)
Using 7/16-inch open-end wrench, screw
in and tighten.
Using 12 vdc power supply, and oil
pressure gage, 0 to 600 psi (0 to 4136
kPa) hook up shutdown valve and attach
lines to shutdown valve inlet and outlet.
Energize coil and pump test fluid through
valve at 300 psi (2068 kPa) maximum.
Deenergize valve and check to be sure
valve holds 300 psi (2068 kPa) load with
If shutdown valve does not hold
specified pressure, check shutdown
valve housing to access cover plate
mating surface for damage. Also
check rubber on access cover plate
for swelling or damage, and replace