Part number 800-284 is a Fillister Screw used in Airless Sprayer 1140I and IX, 840 I and IX; Advantage 1100, 700; PowrTex 1200SF; and Performer 1140 IX models. This precision fastener features a rounded head and deep slot for secure assembly of components such as covers, brackets, and pump parts. Replacing a missing, stripped, or corroded fillister screw ensures proper component retention and reliable equipment operation.
| Part Number | 800-284 |
|---|---|
| Part Description | Fillister Screw |
| Brand | Multiple |
| Fits | Airless Sprayer 1140I, 1140IX, 840 I, 840 IX; Advantage 1100, 700; PowrTex 1200SF; Performer 1140 IX |
| Condition | New |
The 800-284 Fillister Screw is a specialized fastener used across multiple equipment lines including Airless Sprayer 1140I/IX, 840 I/IX; Advantage 1100/700; PowrTex 1200SF; and Performer 1140 IX. It features a cylindrical head with a deep slot, providing a secure grip for assembly and disassembly in tight spaces.
Fillister screws are commonly used to secure pump components, motor mounts, control panels, and covers. They are manufactured to precise dimensions to ensure proper fit and clamping force. Over time, screws can become stripped, corroded, or lost due to vibration and maintenance. Replacing missing or damaged screws restores structural integrity and prevents component loosening that could lead to operational issues or safety hazards.
| Component fastening | Secures parts such as covers, brackets, and pump assemblies |
|---|---|
| Precise clamping | Provides controlled force to hold components together |
| Vibration resistance | Helps maintain tightness under operating conditions |
| Stripped threads | Screw will not tighten properly |
|---|---|
| Corrosion | Rust or chemical damage weakens the screw |
| Damaged head | Slot is worn or rounded, preventing tool engagement |
| Missing | Screw absent during inspection; always replace |
Part number 800-284 is compatible with the following models. Always confirm fitment using the correct parts diagram for your exact model and revision.
| Brand / Model | Component |
|---|---|
| Airless Sprayer 1140I | Fillister Screw |
| Airless Sprayer 1140IX | Fillister Screw |
| Airless Sprayer 840 I | Fillister Screw |
| Airless Sprayer 840 IX | Fillister Screw |
| Advantage 1100 | Fillister Screw |
| Advantage 700 | Fillister Screw |
| PowrTex 1200SF | Fillister Screw |
| Performer 1140 IX | Fillister Screw |
When replacing a fillister screw, these components are often inspected or replaced at the same time to ensure complete fastening integrity.
Used under the screw head to distribute load and prevent loosening.
For critical applications, consider thread locking compound to prevent vibration loosening.
Inspect the threads the screw engages with for damage; replace if worn.
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