Transfer case oil feed, function - GF28.55-P-3000P

MODEL 203.081 /281, 211.080 /280 with TRANSMISSION 722.667 

MODEL 203.084 /284, 211.082 /282 with TRANSMISSION 722.668 

MODEL 211.083 /283, 220.084 /184 with TRANSMISSION 722.672 

MODEL 220.083 /183 with TRANSMISSION 722.671 

MODEL 220.087 /187 with TRANSMISSION 722.675 

MODEL 211.087 with TRANSMISSION 722.676 

Fig 1: Identifying Transfer Case Oil Feed Components & Function

Oil system 

The helical spur gears (9) in addition serve as an oil pump and, via oil ducts (see arrow A) and an oil splasher pipe, supply the bearings and the planetary gear set (20) with lubricating oil.

The transfer case (2) receives a lifetime filling (fill for life).