Sundstrand Sauer Danfoss Series 40 M46 Brass Bearing Ring
Sundstrand Sauer Danfoss Series 40 Brass Bearing Ring
Service Bulletin SB-9109
The of the that came about for the brass ring was that it used to be glass filled nylon material on the M46 servo pistons. The brass gives the job at hand longer life and sturdier work performance. They work the same way, but the brass is better in the long run. The assembly process is the same also. Just try to get the rings into the groves.
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