Maintenance: Pump Troubleshooting

Below you will find helpful tips for resolving pumping challenges quickly

SYMPTOMS

PROBABLE CAUSE

RECOMMENDED ACTION

Will Not Prime

  1. Air leaks
  2. Blocked line
  3. Check valves not seating properly
  4. Suction lift too high or horizontal run too long
  5. Loose or worn diaphragm
  6. Engine speed too low
  1. Tighten all suction line joints and hoses.
  2. Clean hose and strainer
  3. Clean debris from valve and seat
  4. Relocate pump closer to supply
  5. Tighten bolts or replace diaphragm.
  6. Increase throttle

Will not Pump or Poor performance (at proper speed)

  1. Check valves not seating properly
  2. Suction hose lining loose
  3. Worn and sticking check valves
  4. Engine speed too low
  1. Clean debris from valve and seat
  2. Use new hose
  3. Replace with new check valves
  4. Increase throttle


CAUTION

Before initiating any of the following remedial actions, read the "Recommended Precautions" section in your owners manual carefully.*Before performing any maintenance on the unit, lock out the motor/engine so that automatic start-up cannot occur. Contact Wastecorp Pumps or your Mud Sucker dealer should you require further technical support



Maintenance Videos

Learn how to change the flapper valves on a Mud Sucker 2FA Series watch video

See the correct way to change a diaphragm on a Mud Sucker 2FA Series watch video

Professional diaphragm pump maintenance is easy for your B Series pump watch video