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Dismantling and assembling gear set - AR27.50-P-0840A: Notes

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TRANSMISSION 722.5 

Fig 1: Identifying Gear Set Components
G04679474Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
REMOVINGINSTALLING Disassembly, assembly     
1 Disassembling transmission (section 4) IMPORTANT Not entirely necessary! AR27.50-P-0780A 
2 Remove lubrication pressure ring (99) IMPORTANTInstallation  : Grease lubrication pressure ring and insert in groove so that the split is closed  
3 Remove Teflon rings (167a) from intermediate shaft (167)    
4 Place gear set assembly with intermediate shaft (167) in assembly device SPECIAL TOOL Assembly device
IMPORTANT Clamp the assembly device in a vise with the plate at the top and place gear set in assembly stand with the intermediate shaft first
Figure
5 Use a screwdriver to remove snap ring (3) IMPORTANTInstallation  : Use a screwdriver to press the snap ring into the groove after fitting the front gear set  
6 Lift front planetary gear set (2) and remove thrust bearing (23)    
7 Remove thrust bearing (4) and drive shaft (87)    
8 Remove radial bearing (5) and thrust bearing (6)    
9 Remove output shaft with planetary gear set (167)    
10 Remove radial bearing (8), thrust bearing (9) and sun gear (10) IMPORTANTInstallation  : Place sun gear (10) in freewheel and turn
The freewheel must lock up in the direction of the arrow; then fit thrust bearing (9) on sun gear
 
11 Remove and check freewheel F2   AR27.50-P-0860A 
12 Assemble in the reverse sequence    
Fig 2: Identifying Assembly Device (126 589 00 35 00)
G04679475Courtesy of MERCEDES-BENZ OF NORTH AMERICA.