How to troubleshoot a Graco Water Pump that fails to operate?
If your Graco Water Pump isn't operating, there are several potential causes. First, check for a restricted line or inadequate air supply and clear any obstructions, increasing the air supply as needed. Additionally, a clogged fluid hose, gun, or nozzle can prevent operation, so clear those as well. The air motor may be dirty or damaged.
What to do if Graco Water Pump operates but output is low on both strokes?
If your Graco Water Pump operates but the output is low on both strokes, several factors could be responsible. Begin by checking for a restricted line or inadequate air supply, and clear any obstructions while ensuring sufficient air supply. Ensure that the fluid supply isn't exhausted by refilling and repriming or flushing the pump. A clogged fluid hose, gun, or nozzle will also reduce output, so clear any blockages. Also check the packing nut or worn throat packings. Tighten the packing nut and replace throat packings if needed.
Why is my Graco Water Pump experiencing erratic or accelerated operation?
Erratic or accelerated operation of your Graco Water Pump can stem from several issues. First, ensure that the fluid supply is adequate by refilling and repriming or flushing the system. Another potential cause is a held open or worn intake valve, or held open or worn fluid piston valve or packings.
What causes low output on the upstroke of a Graco Water Pump?
If your Graco Water Pump operates but the output is low specifically on the upstroke, the issue might be a held open or worn fluid piston valve or packings. Clear or service the valve and packings to resolve the problem.
What to do if Graco Water Pump operates but output is low on downstroke?
If the Graco Water Pump operates, but the output is low on the downstroke, it could be due to a held open or worn intake valve. Clear or service the intake valve.
Step-by-step instructions to safely relieve pressure in the system before maintenance.
Instructions on when and how to flush the pump for optimal performance and longevity.
Step-by-step guide for safely disconnecting the displacement pump from its mounting.
Instructions for properly reconnecting the displacement pump after servicing or repair.
General| Type | Diaphragm Pump |
|---|---|
| Maximum Fluid Pressure | 100 PSI |
| Air Inlet Size | 1/2 inch NPT |
| Fluid Inlet Size | 1 inch NPT |
| Fluid Outlet Size | 1 inch NPT |
| Wetted Materials | Polypropylene, Santoprene |
| Flow Rate | 5.5 GPM |
| Maximum Head | 230 feet |
| Inlet Size | 1 inch NPT |
| Outlet Size | 1 inch NPT |
| Material | Polypropylene, Stainless Steel |
| Horsepower | N/A (Air Operated) |
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