Part number 9805311 is a replacement Screw used in various assemblies on compatible Impact airless sprayer models. This fastener secures critical components such as pump housings, motor mounts, handles, and covers, ensuring structural integrity and reliable equipment operation.
| Part Number | 9805311 |
|---|---|
| Part Description | Screw |
| Fits | Impact 1140 service; impact 1140 I and IA; impact 1040 |
| Condition | New |
Part number 9805311 is a genuine replacement Screw engineered specifically for compatible Impact airless sprayer models. While a fastener may appear to be a simple commodity component, this screw is manufactured to precise engineering specifications including thread pitch, diameter, length, head style, drive type, and material grade. These specifications are carefully selected by the equipment designers to provide the correct clamping force, vibration resistance, and long-term reliability required for each specific application on the sprayer.
This screw is utilized in multiple critical locations throughout the Impact 1140 and 1040 series sprayers. Common applications include securing the pump housing to the drive case, mounting the electric motor to the engine plate, attaching the handle assembly to the frame, fastening control panel components, and securing protective covers and shrouds. Each application places specific demands on the fastener in terms of tensile strength, shear resistance, and environmental durability.
Fasteners are subjected to significant stress during equipment operation including vibration from the motor and pump, thermal expansion and contraction, and potential chemical exposure from cleaning agents and environmental moisture. Fastener failure modes include stripped drive recesses from repeated service, thread damage from over-torquing or cross-threading, corrosion that weakens the fastener and makes removal difficult, and stress fatigue cracking at the head-shank junction. A damaged or missing screw can allow components to loosen, shift, or separate during operation, leading to misalignment, increased vibration, accelerated wear of adjacent parts, and potential safety hazards. Replacement with the correct factory-specified fastener restores the equipment to its original engineered condition.
| Component Retention | Secures critical sprayer components including pump, motor, handles, and covers |
|---|---|
| Structural Integrity | Maintains proper assembly alignment and clamping force between mating parts |
| Vibration Resistance | Engineered to maintain preload under continuous operational vibration |
| Head Damage | Drive recess is stripped, rounded, or cammed out, preventing proper torquing |
|---|---|
| Thread Damage | Threads are stripped, crossed, corroded, or have deformed crests |
| Missing Fastener | Screw is lost during disassembly or has fallen out during operation |
| Corrosion | Significant rust or chemical degradation has weakened the fastener |
Part number 9805311 is specifically designed for Impact 1140 and 1040 series airless sprayer models. This screw may be used in multiple locations on these sprayers. Always confirm the specific application and required quantity using the correct parts diagram for your exact model and serial number.
| Compatible Models | Component |
|---|---|
| Impact 1140 service | Screw |
| impact 1140 I and IA | |
| impact 1040 |
Fasteners are typically replaced during the service of other major components. When replacing this screw, these related parts are often addressed at the same time.
Flat washers, lock washers, or sealing washers may be required for proper installation and should be replaced if damaged, deformed, or missing.
Applications requiring thread locker should receive a fresh application of the appropriate strength compound during installation.
The component being fastened may have damaged threads or worn mounting surfaces and should be inspected for serviceability.
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