Inspection Checklist for Gorman Rupp Pumps Maintenance and Repair

Inspection Checklist for Gorman Rupp Pumps Maintenance and Repair
Inspection Checklist for Gorman Rupp Pumps Maintenance and Repair
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Inefficiency in the pumping system can lead to high costs, hence losing money, and consumes a lot of time. The pumping parts also consume more energy when the system has issues such as a leaking suction line, blocked propellers and discharge line corrosion. Additionally, the system becomes slower and may lead to system failure since the parts are heavily burdened. Minor issues with the Gorman Rupp pumps can cause huge losses up to approximately $80.00 per week. However, Gorman Rupp pumps are manufactured and designed such that their operation and servicing is easy, making them perform efficiently. Below are some of the checkpoints to consider ensuring the system is not incurring unnecessary losses.

Centrifugal pumps checklist

  1. Check to ensure there is no noticeable increase in the pump discharge flow.
  2. The rump repriming should not be rapid compared to how the repriming happened before. If you identify a slower repriming, examine the system to ensure it has no seal leak, all gadgets are tight, the suction check valve is functioning correctly, and no recirculating port is clogged.
  3. The pump system should not produce much noise that sounds like the rattling of marbles. Instead, the noise indicates issues with the discharge side, a clogged strainer, a long suction hose and a high suction lift. 
  4. Overheating in the pump signified the inefficient flow of liquid. Interruption of the fluid flows into and out of the system indicates slow repriming due to improper clearance of the impeller or a blocked strainer.
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Suction Line Checklist

  1. The vacuum gauge is the best equipment to use when checking for any air leaks. The suction line should be airtight, and this is ensured by adequately connecting the fitting and pipes plugs. 
  2. The suction line blockage can be caused by the rubber lining pulling off the fabric on the hose lining. Check to ensure that the fabric and rubber lining is intact since it may lead to low discharge pressure, line blockage or development of high vacuums. 
  3. The suction strainer should be frequently inspected and maintained by cleaning. Strainers that handle solid medium need to be cleaned regularly to ensure they are not clogged. Also, ensure that the right size of the filter is installed.

Pump checklist

  1. Depending on the applications of the pump model, ensure that the cover plate is checked after at least six months. Inspecting the cover plate is an easy method of providing that the impeller vanes and wear plates since they can easily get corroded by abrasive fluids. 
  2. Always ensure that the impeller is cleared since it is subject to wear due to rubbing. Any wear on the impeller can cause overworking of the motor; hence they should be inspected and maintained.
  3. Solids can damage the seal in the system. Therefore, it should be examined and repaired in case of any wear on the face. It should also be oiled regularly.
  4. Examine the bearing to ensure they are not working out, leading to wobbling of the shaft. The wobbling usually causes overheating and finally freezing of the system. The pump finally stops working as more wearing occurs.
  5. The engine and the motor should be checked to see if they correctly supply the pump’s required power, hence efficient operation. 
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Other things to check include:

  • The discharge line composed of air releasing devices such as valves, shock control, a check valve should be examined to establish whether they are correctly functioning. Discharge lines regularly experience rusting and pitting. They then reduce the systems flow rate by increasing friction.
  • Inspect the operation of the submersible pump to ensure that it still functioning at optimum capacity.
  • Check the diaphragm to ensure that the fluid is being pumped as expected. Replacements are repairs that should be done for damaged parts.


The pumps and pumping system performance checklist are essential in ensuring that the system operation is optimum. The inspection done on various parts of the Gorman Rupp pumps helps reduce costs and increase the profit made by the company. When the system performance is ideal, the system consumes more negligible fuel amounts, requires more minor repairs and replacements, and reduces the time needed to pump the fluid. Maintenance, inspections and repairs are therefore essential to ensure Gorman Rupp pumps efficiency.

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