Test specifications for wheel location, wheel hub
Number | Designation | Models 903.0/4/6 and 904.0/4/6 with code ZG1/ZG2/ZG3 | |
BE33.20-N-1001-01C | Wheel bearing play at front axle | mm | 0,01 to 0,02 |
Wheel location, hub
Number | Designation | Model 903.0/4/6 and | |||
BA33.20-N-1001-01F | Inner slotted nut for adjusting wheel bearing play | Initial torque | Nm | 200 | |
Turn back | ° | 160 | |||
BA33.20-N-1002-01F | Outer slotted nut for adjusting wheel bearing play | Nm | 200 | ||
001 589 53 21 00
Dial indicator holder
Dial indicator
Lever
Claw-type wrench
730 589 01 63 00
363 589 02 21 00
463 589 00 07 00
Repair materials
Number | Designation | Order number |
BR00.45-Z-1017-06A | MB multipurpose grease | A 001 989 34 51 11 |
D33.20-0052-01
Measuring wheel bearing play
1 Set up gauge stand (1) with dial gauge (2) on steering knuckle.
2 Screw in lever (3) on the opposite side to the measuring point of the dial gauge (2).
3 Screw in bolt M 14 x 1.5 (4) opposite the lever (3).
4 Ascertain the existing wheel bearing play by rocking the lever (3).
5 Adjust wheel bearing play if necessary.
D33.20-0054-01
Adjusting wheel bearing play
6 Unscrew outer slotted nut (1) using claw-type wrench and remove locking ring (2).
7 Unscrew inner slotted nut (3) using claw-type wrench.
8 Grease contact surface of inner slotted nut (3) with wheel hub and screw tight (initial torque), .
9 Turn back inner slotted nut (3) by the specified value (°).
10 Install locking ring (2).
Replace locking ring (2)
11 Grease outer slotted nut (1) and screw tight, .
12 Measure wheel bearing play and Repeat the process.
Only measure wheel bearing play when the outer slotted nut (1) is tight!
13 Lock outer slotted nut (1).