TEST OR INSPECTION
Remove pump house panel C (WP 0540). Check tubing from driver main inlet primer
valve fitting to driver main inlet valve assembly for leaks, kinks, or damage.
If tubing is free from leaks, kinks, or damage, replace driver main inlet
primer valve tubing (WP 0490).
Remove hard suction hose from driver main inlet (WP 0025). Inspect driver main inlet
strainer screen and float for obstructions and blockage.
If screen and float are not free from blockage, remove blockage from driver
main inlet strainer screen and float.
Check if hard suction hose is free from holes, leaks, and damage.
If hard suction hose is not free from holes, leaks, and damage, replace hard
Prepare vehicle to pump from draft (WP 0025). Check if primer pump is drawing water
to water pump.
If hard suction hose coupler is fully seated and not drawing water into
water pump, replace primer pump (WP 0262).
If hard suction hose coupler is not fully seated, use rubber mallet to
tighten hard suction hose at driver main inlet (WP 0025).