To Next PageTo Next PageWhy is my Graco Paint Sprayer spitting paint?
To resolve spitting from the Graco Paint Sprayer gun, check for loose connections on the siphon assembly and tighten them. Then, reprime the pump. Also, ensure that the fluid supply is not low or empty; if it is, refill the supply container. Another possible cause is a loose intake suction, in that case you need to tighten it.
How to stop paint leaks from the wet cup on a Graco Paint Sprayer?
If paint leaks and runs over the side of the wet-cup on your Graco Paint Sprayer, tighten the wet-cup enough to stop the leakage.
Why is my Graco GH733 overheating?
If your Graco Paint Sprayer is overheating, it could be due to paint buildup on the hydraulic components, so cleaning them may solve the issue. Another possible cause is a low oil level, so ensure that you fill it with oil.
Why is the fluid delivery low on my Graco GH733 Paint Sprayer?
If the fluid delivery of your Graco Paint Sprayer is low, first, increase the pressure. Also, check if the displacement pump outlet filter (if used) is dirty or clogged and clean it if necessary. Ensure the intake line to the pump inlet is tight. If you experience a large pressure drop in the fluid hose, consider using a larger diameter or shorter hose.
What to do if the gas engine operates but the displacement pump doesn't operate on my Graco Paint Sprayer?
If your Graco Paint Sprayer's gas engine operates, but the displacement pump doesn't, first, ensure the pump valve is set to ON. Then, increase the pressure setting. Check if the displacement pump outlet filter (if used) or the tip/tip filter (if used) is clogged and clean them. If the hydraulic fluid is low, shut off the sprayer and add fluid. If the belt is worn, broken, or off, replace it. If the hydraulic motor is not shifting, set the pump valve to OFF, turn the pressure down, turn the engine OFF, and pry the rod up or down until the hydraulic motor shifts.
What to do if displacement pump operates but output is low on downstroke on Graco Paint Sprayer?
If your Graco Paint Sprayer's displacement pump operates, but the output is low on the downstroke and/or on both strokes, you may need to tighten the packing nut or replace the piston packings. Also, service the intake valve ball check. Another possible cause is a suction tube air leak; in that case, repair or replace the suction tube.
What to do if displacement pump operates but output is low on upstroke on Graco GH733 Paint Sprayer?
If your Graco Paint Sprayer's displacement pump operates, but the output is low on the upstroke, service the piston ball check. You might also need to replace the piston packings.
What causes excessive leakage around the hydraulic motor piston rod wiper on a Graco Paint Sprayer?
If there is excessive leakage around the hydraulic motor piston rod wiper on your Graco Paint Sprayer, you may need to replace the piston rod seal.
How to fix a Graco GH733 when the gas engine pulls hard?
General| Max Pressure | 3300 psi |
|---|---|
| Hose Length | 50 ft |
| Power Source | Gasoline |
| Engine | Honda GX Engine |
| Type | Hydraulic Airless Sprayer |
| Spray Tip Size | 0.015 - 0.021 inches |
