Part number 0507934 is a genuine eccentric assembly used in SprayTech EPX2305 airless sprayers. This assembly converts rotary motion from the motor into reciprocating motion to drive the pump piston. It consists of an eccentric bearing, shaft, and related components precision‑matched to factory specifications. A worn or damaged eccentric assembly can cause reduced pump output, erratic operation, or complete pump failure. This genuine replacement restores proper pump performance and reliable operation.
| Part Number | 0507934 |
|---|---|
| Part Description | Eccentric Assembly |
| Brand | SprayTech |
| Fits | SprayTech EPX2305 |
| Condition | New |
The 0507934 Eccentric Assembly is a critical drive component in SprayTech EPX2305 airless paint sprayers. It converts the rotational motion of the motor into the reciprocating linear motion needed to drive the pump piston. The assembly includes an eccentric bearing mounted on a shaft, precision‑ground to exacting tolerances for smooth operation and long service life.
As the eccentric rotates, it causes the connecting rod and piston to move back and forth, drawing fluid into the pump chamber and discharging it at high pressure. Over time, the eccentric bearing can wear, the shaft can become scored, or the assembly can develop play, leading to reduced pump output, pressure fluctuations, increased noise, or complete failure. Replacing a worn eccentric assembly with this genuine OEM part restores proper pump timing and reliable performance.
| Motion conversion | Changes rotary motor motion to reciprocating piston movement |
|---|---|
| Power transmission | Transfers motor torque to the pump piston with minimal loss |
| Timing / stroke length | Determines piston stroke length and pump displacement |
| Reduced pressure / output | Sprayer cannot achieve normal operating pressure |
|---|---|
| Unusual noise | Knocking, grinding, or squealing from drive area |
| Visible wear / damage | Scored shaft, rough bearing, or excessive play |
| Erratic operation | Pump surges, stalls, or runs unevenly |
Part 0507934 is specifically designed for the following SprayTech sprayer model. Always verify your machine's parts diagram to confirm correct fitment.
| Brand / Model | Component |
|---|---|
| SprayTech EPX2305 | Eccentric Assembly |
When replacing the eccentric assembly, it's good practice to inspect these related components, as they often wear out or become damaged at the same time.
The rod that connects the eccentric to the piston may have worn bearings or bushings. Inspect and replace if damaged.
Worn motor bearings can cause misalignment and accelerate eccentric wear. Check for smooth rotation.
A seized or damaged piston can overload the eccentric. Inspect piston and seals for wear or scoring.
The 0507934 Eccentric Assembly is a critical drive component in SprayTech EPX2305 airless paint sprayers. It converts the rotational motion of the motor into the reciprocating linear motion needed to drive the pump piston. The assembly includes an eccentric bearing mounted on a shaft, precision‑ground to exacting tolerances for smooth operation and long service life.
As the eccentric rotates, it causes the connecting rod and piston to move back and forth, drawing fluid into the pump chamber and discharging it at high pressure. Over time, the eccentric bearing can wear, the shaft can become scored, or the assembly can develop play, leading to reduced pump output, pressure fluctuations, increased noise, or complete failure. Replacing a worn eccentric assembly with this genuine OEM part restores proper pump timing and reliable performance.
| Motion conversion | Changes rotary motor motion to reciprocating piston movement |
|---|---|
| Power transmission | Transfers motor torque to the pump piston with minimal loss |
| Timing / stroke length | Determines piston stroke length and pump displacement |
| Reduced pressure / output | Sprayer cannot achieve normal operating pressure |
|---|---|
| Unusual noise | Knocking, grinding, or squealing from drive area |
| Visible wear / damage | Scored shaft, rough bearing, or excessive play |
| Erratic operation | Pump surges, stalls, or runs unevenly |
Part 0507934 is specifically designed for the following SprayTech sprayer model. Always verify your machine's parts diagram to confirm correct fitment.
| Brand / Model | Component |
|---|---|
| SprayTech EPX2305 | Eccentric Assembly |
When replacing the eccentric assembly, it's good practice to inspect these related components, as they often wear out or become damaged at the same time.
The rod that connects the eccentric to the piston may have worn bearings or bushings. Inspect and replace if damaged.
Worn motor bearings can cause misalignment and accelerate eccentric wear. Check for smooth rotation.
A seized or damaged piston can overload the eccentric. Inspect piston and seals for wear or scoring.
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