300SDL (126.125) L6-3.0L DSL Turbo (603.961) (1987)
10 Check radial sealing ring (6) and renew, if required.
11 Renew 0-ring (7). Insert 0-ring into groove in such a manner that it is not twisted.
12 Lubricate both pump gears (3 and 4) and place into pump housing. Insert pump gear (4) in such a manner that chamfer (arrow) faces bearing
bushing (5).
13 Place intermediate plate (2) on primary pump.