HyPrecision 50S/60S/75S Operator Manual 808690 137
5 – Preventive maintenance
Preventive maintenance
23. Put the needle assembly in the valve body.
24. Push on the seal backup screw until it stops.
25. Remove the seal backup screw. Put high-pressure antiseize lubricant on the threads.
26. Use a socket wrench to tighten the seal backup screw in the valve body.
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