

Part number 704-363 is a capacitor kit used to provide starting and running torque to the motor in compatible sprayer systems. This kit includes the necessary capacitors and mounting hardware to restore proper motor function. It is compatible with 340 Airless Sprayer International Model; 440 i Airless Sprayer; 440i Airless Sprayer1; and RentSpray 450 models. Replacing a failed capacitor kit restores proper motor starting and operation.
| Part Number | 704-363 |
|---|---|
| Part Description | Capacitor Kit |
| Fits | 340 Airless Sprayer International Model; 440 i Airless Sprayer; 440i Airless Sprayer1; RentSpray 450 |
| Condition | New |
The 704-363 capacitor kit is an electrical component set designed to provide the necessary starting and running torque for the motor in compatible sprayer systems. It is specifically engineered for use with 340 Airless Sprayer International Model; 440 i Airless Sprayer; 440i Airless Sprayer1; and RentSpray 450 models. In electric motors, capacitors store and release electrical energy to create a phase shift and magnetic field rotation, enabling the motor to start and run efficiently. This kit typically includes one or more capacitors along with any required mounting hardware, brackets, or wiring connections. The capacitors are selected to match the exact electrical specifications of these sprayer motors, ensuring reliable starting under load and efficient operation. Over time, capacitors can degrade due to heat, age, or electrical stress. A failed capacitor may cause the motor to start slowly, hum without starting, not start at all, or run inefficiently. Symptoms of a faulty capacitor include the sprayer motor not starting, a humming sound when trying to start, or the motor running hot and drawing excessive current. Replacing a failed capacitor kit with this genuine part restores proper motor starting and running characteristics. This ensures that the sprayer operates reliably and efficiently. When installing the kit, it is important to discharge any stored energy safely and to observe correct wiring polarity if applicable.
| Motor starting | Provides boost to start motor |
|---|---|
| Running efficiency | Improves motor performance during operation |
| Phase shift | Creates rotating magnetic field in motor |
| Motor won't start | Sprayer does not start, may hum |
|---|---|
| Slow starting | Motor takes too long to reach speed |
| Overheating | Motor runs hot during operation |
| Bulging or leaking | Visible damage to capacitor case |
Part number 704-363 is compatible with the following sprayer models. Always verify using your equipment's serial number and parts manual.
| Brand / Series | Specific Models |
|---|---|
| International | 340 Airless Sprayer |
| i Series | 440 i, 440i (1) |
| RentSpray | 450 |
When replacing the capacitor kit, inspecting these associated components can help ensure a complete repair.
Check for winding damage or bearing wear.
If applicable, ensure proper operation.
Inspect for corrosion or loose terminals.