

The Graco 106077 Motor Start Capacitor ensures reliable motor ignition and stable electrical performance in high-pressure Graco pump and spray systems.
The Graco 106077 Capacitor, Motor Start is a precision‑engineered start capacitor designed to deliver reliable motor ignition and stabilize electrical performance in demanding spray pump systems. It supports controlled phase shift and energy reserve functionality, enabling consistent operation under heavy load and frequent startup cycles.
As a genuine OEM component, this capacitor ensures compatibility with Graco equipment and is built to withstand the harsh conditions of professional finishing, helping maintain system uptime and precise fluid delivery.
| Capacitance | Approx. 120 µF at 250 VAC, designed for motor‑start applications |
|---|---|
| Housing & Construction | Sealed aluminum enclosure with corrosion‑resistant terminals, rated for industrial use |
| Material & Finish | Metallized polypropylene dielectric with oil impregnation for thermal stability and long service life |
| Operational Environment | High‑duty spray systems, frequent motor starts, variable viscosity coatings, and demanding jobsite conditions |
| Thermal & Mechanical Performance | Rated to operate in a wide temperature range (‑40 °C to +85 °C) with low equivalent series resistance and strong vibration resistance |
• Ensure power is disconnected before removal or installation.
• Confirm that the replacement part is the correct specification for your equipment (Graco 106077).
• Observe correct connection of terminals and mounting orientation to avoid looseness or mis‑alignment.
• At each major service interval, inspect the capacitor for signs of swelling, terminal corrosion, or insulation breakdown; replace if any defect is detected.
• Use vibration‑dampening mounting when required and maintain clean surrounding electrical components for optimal service life.
Using the authentic Graco 106077 Capacitor, Motor Start ensures your system’s motor starts reliably each cycle and reduces the risk of premature failure due to electrical stress.
In summary, the Graco 106077 Capacitor, Motor Start is a strategic upgrade for maintaining consistent pump motor performance, protecting system components and ensuring dependable operation of your Graco equipment.
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