TITAN 425 Owner’s Guide
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Servicing Valves on the High Pressure Pump
Removing a Valve
1. Remove the valve cap (30 mm) and extract the valve assembly (see Figure 1).
2. Remove the valve assembly (retainer, spring, valve plate, valve seat) from the valve
cavity.
3. Remove the O-ring and support from the valve cavity.
4. Examine the O-ring and replace if there is any evidence of cuts, abrasion, or
distortion.
5. Inspect the manifold for wear or damage (see Figure 2).
6. Inspect the old valves for wear or damage. Only one valve kit (P/N 000-078-521)
is necessary to repair all the valves in the pump. (The kit includes new supports,
O-rings, valve seat, valve poppet, spring and retainer; all are pre-assembled.)
Figure 1. Remove Valve Cap and Valve Assembly
Figure 2. Inspect Manifold and Old Valves
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