Shop-Vac · Wet/Dry Vacuum
Model 5989305
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Loss of suction
Likely cause: The filter is clogged
Fix: Replace Part — Clean it first — shake or brush off dirt, or rinse from the inside and let it dry about 24 hours; replace it if it's damaged. · Shop-Vac 9030400 Cartridge Filter
Source: manufacturerLoss of suction
Likely cause: A loose hose connection, a full tank, or a hole in the hose
Fix: Check or Adjust — Tighten the hose connection, empty the tank, or replace a holed hose.
Source: manufacturerDust blowing out of the exhaust
Likely cause: The filter is missing, damaged, clogged, or too coarse for the dust
Fix: Replace Part — Install the filter properly, clean it, or replace it. · Shop-Vac 9030400 Cartridge Filter
Source: manufacturerMotor pitch rises and suction drops while picking up water
Likely cause: The tank is full and the float has shut off suction
Fix: Check or Adjust — Turn it off immediately and empty the tank.
Source: manufacturerMist in the exhaust during wet pickup
Likely cause: The filter is saturated, or the inlet deflector isn't fitted right
Fix: Check or Adjust — Remove the filter and let it dry, or swap in a dry one; refit the inlet deflector facing the top of the tank. A foam sleeve is best for wet pickup.
Source: manufacturerShop-Vac 9030400 Cartridge Filter