Part 0551540 is a replacement motor assembly designed for select Advantage, RentSpray, and SprayTech airless sprayer models. The motor is the primary power source that drives the pump, converting electrical energy into mechanical motion to maintain fluid pressure. This assembly restores full spraying performance when the original motor fails, runs poorly, or shows signs of wear.
| Part Number | 0551540 |
|---|---|
| Part Description | Motor Assembly |
| Brand | Replacement (Fits SprayTech, Advantage, RentSpray) |
| Fits | Advantage 400, RentSpray 400, SprayTech Airless Advantage EPX2155, SprayTech Airless EPX2155 |
| Condition | New |
The 0551540 Motor Assembly is a direct replacement for the original motor used in specific Advantage, RentSpray, and SprayTech sprayer models. This motor drives the pump to generate the high pressure needed for airless spraying. A properly functioning motor ensures consistent fluid delivery and reliable operation.
Over time, electric motors can fail due to worn brushes, bearing wear, overheating, or electrical faults. Replacing a failed or failing motor with this new assembly restores the sprayer to full working condition.
| Power generation | Converts electrical energy into mechanical rotation to drive the pump |
|---|---|
| Pressure maintenance | Provides consistent power to maintain spraying pressure |
| System reliability | A new motor ensures reliable starts and continuous operation |
| Motor won't start | No hum, no rotation, or attempts to start but fails |
|---|---|
| Runs weakly / slow | Motor runs but lacks power, causing low pressure |
| Noisy operation | Grinding, screeching, or rattling noises from bearings or armature |
| Overheating / burnt smell | Motor gets excessively hot or emits smoke/odor |
| Visible damage | Charred insulation, melted components, or broken mounts |
This motor assembly (part 0551540) is compatible with the following airless sprayer models. Always verify fitment by consulting your equipment's parts diagram.
| Sprayer Model | Component |
|---|---|
| Advantage 400 | Motor Assembly |
| RentSpray 400 | Motor Assembly |
| SprayTech Airless Advantage EPX2155 | Motor Assembly |
| SprayTech Airless EPX2155 | Motor Assembly |
When replacing the motor, it's good practice to inspect and consider replacing these related components to ensure complete reliability.
A failing capacitor can cause motor starting issues or poor performance.
Faulty controls can prevent the motor from running or cause intermittent operation.
Worn bearings or damaged housing can affect motor alignment and performance.
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