Axle housing, steering knuckle
Number | Designation | Front axle 730.353/354 | |||
BA33.25-N-1003-01D | Top steering knuckle pin bolt on steering knuckle | M16x1.5 | 10.9 | NM | 220 |
12.9 | NM | 310 | |||
BA33.25-N-1004-01D | Bolt, bottom of kingpin to steering knuckle | M12x1.5 | NM | 160 | |
BA33.25-N-1005-01D | Bolt for track arm to steering knuckle | M12x1.5 | 10.9 | NM | 100 |
12.9 | NM | 160 | |||
BA33.25-N-1007-01D | Nut for steering stop bolt on steering knuckle | M16x1.5 | NM | 200 | |
N33.25-0257-01
Remove
1 Unscrew lower kingbolt and pry off steering knuckle.
2 Remove axial tapered roller bearing.
Check kingbolt and axial tapered roller bearing for wear or damage and replace if necessary.
N33.25-0258-01
3 Unscrew upper kingbolt and pry off steering knuckle.
Check kingbolt for wear or damage and replace if necessary.
Depending on the version of the steering the pitman arm is located on one of the upper kingbolts, this likewise should be removed at the same time when disassembling the kingbolt.
N33.25-0254-01
4 Remove thrust ring (1) with thrust washer (2) of the steering knuckle bearing from the kingbolt.
Renew thrust ring (1).
5 Remove steering knuckle with steering knuckle arm from the linkage arm.
Check condition of steering knuckle and replace if necessary.
If the steering knuckle is replaced, the steering knuckle arm and steering stop bolt must be transferred to the new steering knuckle.
Replace self-locking bolts.
Observe tightening torques
N33.25-0259-01
Installation
The axial tapered roller bearing should be installed so that the open side points towards the lubricating nipple.
N33.25-0260-01
6 Mount the steering knuckle on the linkage arm, install the lower kingbolt with the axial tapered roller bearing and tighten.
Replace bolts
Pay attention to tightening torque.
When mounting the steering knuckle, do not damage sealing rings and pay attention to correct seating of the lips.
The thread in the steering knuckle must be recut before the new microencapsulated bolts are screwed in.
N33.25-0261-01
7 Lift up the steering knuckle and support so that the kingbolt contracts the collar without any play.
The steering knuckle must be installed without any play; this is achieved by installing thrust washers which are available in thicknesses of 3.7 - 5.0 mm in graduations of 0.1 mm.
Install the upper kingbolt after first checking and adjusting the axial play of the steering knuckle.
N33.25-0254-01
8 After measuring the steering knuckle the selected thrust washer (2) is inserted with the thrust ring (1) .
N33.25-0262-01
9 Install the upper kingbolt with or without the pitman arm, depending on the version and tighten.
Renew bolts.
Observe tightening torque.