

Part 0293508 is a replacement adjusting knob used for precise control settings on compatible spray equipment. This knob allows operators to make fine adjustments to pressure, flow, or other machine settings with a comfortable grip. When the original knob becomes stripped, cracked, or difficult to turn, replacement restores precise control and ease of operation.
| Part Number | 0293508 |
|---|---|
| Part Description | Adjusting Knob |
| Brand | Universal |
| Condition | New |
The 0293508 adjusting knob is a replacement control component used on various spray equipment models for making precise adjustments to machine settings. This ergonomic knob provides operators with a comfortable, positive grip for fine-tuning pressure, flow rate, spray width, or other adjustable parameters. The knob features a molded design with textured surface for non-slip operation, even when wearing gloves. Internal components include a threaded insert or bushing that interfaces with the machine's control shaft or valve stem. A worn, cracked, or stripped adjusting knob can make accurate settings difficult, leading to inconsistent spray patterns or improper machine operation. This replacement knob restores precise control and ease of adjustment. The durable construction resists damage from chemicals, UV exposure, and repeated use. Installation typically involves removing the old knob and securing the replacement with a set screw or push-on fit. Regular inspection helps identify knobs with damaged threads or worn grip surfaces before they affect adjustability.
| Precise adjustment | Enables fine-tuning of pressure, flow, or other settings |
|---|---|
| Operator interface | Provides comfortable grip for control adjustments |
| Setting retention | Maintains position once adjusted |
| Stripped / worn threads | Knob spins without adjusting setting |
|---|---|
| Cracked or broken | Visible damage prevents proper use |
| Smooth / slippery grip | Worn texture makes adjustment difficult |
| Loose mounting | Knob wobbles on shaft |
This adjusting knob fits many spray equipment models requiring a replacement control knob. However, it is critically important to note the following exclusion:
| Incompatible Model | Reason |
|---|---|
| PowrLiner 550_GB_D_F | Shaft diameter and thread pitch differ from this knob's specifications |
For all other models, verify knob fitment using your equipment's parts diagram before ordering.
When replacing adjusting knobs, inspect these associated components to ensure proper control function.
Check for damage or wear on mating surface.
Inspect threads and replace if worn.
Ensure adjustment mechanism operates smoothly.