PowrLiner part 759-306 is a clamp knob designed to secure and adjust clamping mechanisms on compatible PowrLiner sprayer models. This knob provides tool-free operation for quick adjustments and secure locking of various components. Replacing a broken, stripped, or missing clamp knob restores proper clamping function and ensures components remain securely positioned during operation.
| Part Number | 759-306 |
|---|---|
| Part Description | Clamp Knob |
| Brand | PowrLiner |
| Fits | PowrLiner 2850, 4500, 550, 1800M, 2800M, 800, 4955, 6955, 8955, 5500 |
| Condition | New |
The 759-306 Clamp Knob is an ergonomic fastener designed to secure and adjust clamping mechanisms on compatible PowrLiner sprayer models. Its knurled or shaped surface provides a comfortable grip for tool-free operation, allowing quick adjustments without requiring wrenches or other tools.
Clamp knobs are used throughout sprayer assemblies to secure components such as handlebars, guide rods, cover latches, and adjustment mechanisms. They provide sufficient clamping force to hold components securely during operation while allowing rapid release and repositioning when needed. Over time, clamp knobs can become cracked from over-tightening, stripped at the threaded portion, or lost during transport or maintenance. A damaged or missing clamp knob can allow components to shift during operation, affecting sprayer control and performance. Replacing worn clamp knobs restores secure fastening and ensures components remain properly positioned.
| Component securing | Holds adjustable components in position during operation |
|---|---|
| Tool-free adjustment | Allows quick repositioning without wrenches |
| Clamping force | Provides sufficient force to prevent movement under vibration |
| Cracked / broken | Knob is physically damaged and cannot be tightened |
|---|---|
| Stripped threads | Threads are damaged and cannot maintain clamping force |
| Missing knob | Knob lost, component no longer securable |
| Worn grip | Smooth surface makes hand tightening difficult |
PowrLiner part 759-306 is compatible with the following sprayer models. Always verify fitment using your equipment's parts diagram before ordering.
| Model | Component |
|---|---|
| PowrLiner 2850 | Clamp Knob |
| PowrLiner 4500 | Clamp Knob |
| PowrLiner 550 | Clamp Knob |
| PowrLiner 1800M | Clamp Knob |
| PowrLiner 2800M | Clamp Knob |
| PowrLiner 800 | Clamp Knob |
| PowrLiner 4955 | Clamp Knob |
| PowrLiner 6955 | Clamp Knob |
| PowrLiner 8955 | Clamp Knob |
| PowrLiner 5500 | Clamp Knob |
When replacing the clamp knob, these associated components are often inspected or replaced at the same time.
The mating clamp or bracket; inspect for wear or damage.
The component the knob threads into; check for damaged threads.
Flat or lock washers used with the knob; replace if worn.
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