Titan part 704-586B is a repacking kit used to rebuild the fluid pump on compatible Impact X 440 and 540I airless sprayers. This kit contains all necessary seals and packings to restore pump performance and prevent fluid leaks.
Components included in this kit: Upper packing (V‑packing set), lower packing, throat seal, O‑rings, and installation lubricant. All components are factory‑selected for a complete pump rebuild.
| Part Number | 704-586B |
|---|---|
| Part Description | Repacking Kit |
| Brand | Titan |
| Fits | Impact X 440, 540I |
| Condition | New |
The Titan 704-586B Repacking Kit is a genuine OEM rebuild kit for the fluid pump on Impact X 440 and 540I airless paint sprayers. It includes all the wear components needed to reseal the piston and restore pump efficiency, including upper and lower packings, throat seal, O‑rings, and lubricant.
Worn packings are a common cause of fluid leakage from the pump throat, loss of pressure, erratic spray, or failure to prime. Using this complete kit ensures all sealing components are replaced with factory‑matched parts for a reliable, long‑lasting repair.
| Fluid sealing | Upper and lower packings seal around the piston rod |
|---|---|
| Throat seal | Prevents external leaks at the pump housing |
| Complete rebuild | Includes all O‑rings and lubricant for a full pump service |
| Fluid leaking from pump throat | Visible paint dripping from the front of the pump |
|---|---|
| Loss of pressure / surging | Sprayer cannot maintain consistent pressure |
| Failure to prime | Pump runs but does not draw paint |
| Paint in the crankcase oil | Seal failure allowing fluid into the motor housing |
Titan 704-586B is compatible with the following Impact X models. Always confirm fitment using the parts diagram for your specific machine.
| Brand / Model | Component |
|---|---|
| Impact X 440 | Repacking Kit |
| Impact X 540I | Repacking Kit |
When replacing the repacking kit, these related components are often inspected or replaced at the same time for a complete pump overhaul.
Inspect for scoring or pitting; replace if damaged to avoid destroying new packings.
If pressure problems persist, rebuild the valve assemblies with fresh balls and seats.
If fluid entered the crankcase, drain and replace the oil after repairing the packings.
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