W43.30-1220-05
As part of ongoing technical developments the screw plug on the retarder R 115 has been modified.
As of retarder serial number 3374112 with ratio i=2.03 and as of retarder serial number 3373951 with gear ratio i=1.68 the strainer in the screw plug is discontinued and integrated in the pressure regulator valve.
Cleaning the strainer with pure benzine and compressed air is discontinued as of the above retarder serial numbers
A Previous version of screw plug
1 Pressure regulator valve without strainer
2 Screw plug with sieve
B New version of screw plug
3 Pressure regulator valve with strainer
4 Screw plug without strainer
MODEL 375.4, 930, 932, 933, 934, 944, 950, 952, 953, 954 with CODE (BA9) Voith secondary retarder R 115