136 HyPrecision 50S/60S/75S Operator Manual 808690
5 – Preventive maintenance
Preventive maintenance
18. Put the seal backup screw on the needle. The flat end of the needle is flush with the hex end of the seal
backup screw.
19. Put the needle bushing on the needle. The chamfered end of the needle bushing goes toward the seal
backup screw.
20. Put the seal hoop on the high-pressure seal. The tapered edge is toward the high-pressure seal.
21. Put the high-pressure seal assembly on the needle. The hoop goes toward the needle bushing.
22. Put high-vacuum grease on the outside of the needle assembly.
Chamfered end
Tapered edge
To Next Page
Loading...
