Titan 9805353 Cam Assembly Screw
Part 9805353 is a cam assembly screw used to secure or adjust the cam mechanism on Impact 1640, 1140, 740, 840, I/IA variants, and Helix LP sprayers. This precision fastener ensures proper engagement of the cam, allowing accurate control of pump stroke or valve timing. Replacing a worn, stripped, or missing screw restores reliable cam function and prevents driveline issues.
| Part Number | 9805353 |
|---|---|
| Part Description | Cam Assembly Screw |
| Brand | Multiple (Impact, Helix) |
| Fits | Impact 1640, 1140, 740, 840, 1140 I and IA, 840 I and IA; Helix LP |
| Condition | New |
Cam Assembly Screw for Impact & Helix Sprayers
The 9805353 Cam Assembly Screw is a critical fastener used in the cam mechanism of Impact 1640, 1140, 740, 840, I/IA variants, and Helix LP sprayers. This screw secures the cam to its shaft or provides adjustment for cam timing, directly influencing pump stroke length and valve operation.
Over time, the cam assembly screw can become loose, stripped, or worn due to vibration and mechanical stress. A compromised screw can lead to erratic pump operation, loss of pressure, or complete driveline failure. Replacing it with this genuine OEM screw restores proper cam engagement, ensuring consistent sprayer performance and preventing costly downtime.
What it does and when to replace it
| Secures cam | Holds the cam firmly to its shaft or mounting point |
|---|---|
| Timing adjustment | Allows precise setting of pump stroke or valve timing |
| Driveline integrity | Prevents slippage that would disrupt pump operation |
| Stripped threads | Screw cannot achieve proper torque |
|---|---|
| Loose fit | Cam moves independently despite tight screw |
| Worn head | Tool slips, making removal/installation difficult |
| During cam replacement | Always install a new screw when replacing cam assembly |
Compatibility
Part 9805353 is compatible with the following sprayer models. Always confirm fitment using the correct parts diagram for your exact model and serial number.
| Model | Component |
|---|---|
| Impact 1640 | Cam Assembly Screw |
| Impact 1140 | Cam Assembly Screw |
| Impact 740 | Cam Assembly Screw |
| Impact 840 | Cam Assembly Screw |
| Impact 1140 I | Cam Assembly Screw |
| Impact 1140 IA | Cam Assembly Screw |
| Impact 840 I | Cam Assembly Screw |
| Impact 840 IA | Cam Assembly Screw |
| Helix LP | Cam Assembly Screw |
Related parts commonly serviced together
When replacing the cam assembly screw, it is common to inspect or replace these associated components.
If the screw is damaged, inspect the cam for wear or damage that may have caused the failure.
Check the shaft and keyway for wear or burrs that could affect cam alignment.
Verify that the pump linkage moves freely and is not binding, which could stress the cam screw.
Frequently Asked Questions
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