300SDL (126.125) L6-3.0L DSL Turbo (603.961) (1987)
13a
Pressure relief valve
30
Check valve
31
Throttle check valve
32
Check valve
Note: Valve ball (28) is not installed on transmissions 722.315 and 722.303.
A conical spring is located under valve ball (16).
On some shift valve housing versions a pressure relief valve (13a) is installed instead of valve ball (13).