AR33.25-W-0400D | Remove/install steering knuckle | 10.11.11 |
FRONT AXLE 730.026 /027 /028 /713 /714 /719
W33.25-1040-09
1 Pitman arm
2 Cap (top)
3 Needle bearing (top, narrow)
4 Needle bearing (top, wide)
5 Steering knuckle
11 Radial sealing ring (bottom)
12 Slide ring
13 Thrust ring
14 Radial sealing ring (top)
15 Steering knuckle arm
6 Lower needle roller bearing
7 Kingbolt
8 O-ring
9 Slide disk
10 Cap (bottom)
| Removing | ||
1 | Remove wheel | ||
2 | Remove brake carrier with brake caliper | ||
3 | Remove front wheel hub | Front axle model designation 730.026/027/028 FA model designation 730.713 as of axle no. 235958 Front axle model designation 730.714 as of axle no. 235976 Front axle model designation 730.719 | |
Front axle model designation 730.713 up to axle no. 235957 Front axle model designation 730.714 up to axle no. 235975 | |||
4 | Remove drag link from pitman arm (1) | ||
5 | Remove tie rod | ||
6 | Remove steering arm (1) | On the left on left-hand steering vehicles, on the right on right-hand steering vehicles. | |
7 | Remove steering knuckle arm (15) | ||
8 | Remove cap (2) | ||
9 | Remove cap (10) with sliding washer (9) | ||
10 | Remove kingbolt (7) | ||
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On front axle model designation 730.026/027/028 it can occur that the torque struts of the hydraulic press do not fit the front axle. In this case: | |||
Rework tension struts. | |||
11 | Remove steering knuckle (5) | ||
12 | Remove thrust ring (13) and slide ring (12) from steering knuckle | ||
13 | Remove radial sealing rings (11 and 14) | ||
14 | Remove needle roller bearings (3, 4 and 6) | Use a suitable drift. | |
| Install | ||
15 | Install needle roller bearing (6) at bottom of steering knuckle (5) | ||
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16 | Install needle bearings (3 and 4) in the steering knuckle (5) | Install the needle bearing (4) first. | |
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17 | Install radial sealing rings (11 and 14) | The rubber coating of the radial sealing ring must abut the steering knuckle. | |
18 | Position the slide ring (12) and thrust ring (13) on the radial sealing rings | The thrust ring must abut the grooves in the radial sealing ring. | |
19 | Clean and degrease steering knuckle pin (7) and axle stub | Cold degreaser/cold cleaning solvent | |
20 | Install kingpin (7) | ||
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21 | Check end play of steering knuckle and adjust if necessary | ||
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Depth gage | |||
22 | Insert sliding washer (9) determined in the cap (10) and install the cap (10) | The lubrication grooves in the sliding disk must abut the steering knuckle. The lubrication nipple on the end cover must point towards the center of the axle. | |
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23 | Install end cover (2) | ||
24 | Lubricate steering knuckle bearing | The steering knuckle bearing must be lubricated immediately after the kingbolt is installed otherwise it wedges itself and can no longer be lubricated | |
25 | Install steering knuckle arm (15) | | |
26 | Install pitman arm (1) | | |
27 | Install drag link | ||
28 | Install tie rod | ||
29 | Install front wheel hub | Front axle model designation 730.026/027/028 FA model designation 730.713 as of axle no. 235958 Front axle model designation 730.714 as of axle no. 235976 Front axle model designation 730.719 | |
Front axle model designation 730.713 up to axle no. 235957 Front axle model designation 730.714 up to axle no. 235975 | |||
30 | Install brake carrier with brake caliper | ||
31 | Fit wheel | ||
32 | Check steering lock, adjust if necessary. |
Test and adjustment values for steering knuckle
Number | Designation | Front axle 730.026/027/028 | Front axle 730.7 | ||
BE33.25-N-1001-01A | Distance from lower needle bearing to underside of steering knuckle | mm | 10.5 | 10.5 | |
BE33.25-N-1002-01A | Distance from upper needle bearing to top side of steering knuckle | mm | 11 | 11 | |
BE33.25-N-1003-01A | Axial play of steering knuckle | mm | -0.05 to +0.05 | -0.05 to +0.05 | |
BE33.25-N-1004-01A | Bore dia. for kingpin in axle housing | Normal | mm | 37.941...37.966 | Beveled |
Standard I | mm | 38.241...38.266 | Beveled | ||
Rep. level I | mm | 38.541...38.566 | Beveled | ||
Axle housing, steering knuckle
Number | Designation | Front axles | |||
BA33.25-N-1003-01A | Bolt, drag link and steering knuckle arm to front axle | M161.5 | EN 14112 | Nm | 320 |
M161.5 | EN 28676 | Nm | 240 | ||
M161.5 | Nm | - | |||
M181.5 | 10.9 | Nm | 380 | ||
M201.5 | 10.9 | Nm | 540 | ||
M221.5 | 10.9 | Nm | 720 | ||
M241.5 | 10.9 | Nm | 920 | ||
BA33.25-N-1005-01A | Bolt, cover to steering knuckle | M101 | 10.9 | Nm | 66 |
366 589 02 15 00
Hydraulic press
Drift
Drift
363 589 03 15 00
730 589 03 33 00
Repair materials
Number | Designation | Order number |
BR00.45-Z-1051-04A | Cold degreasing agent/cold cleaning solvent HAKU 1025-920 | Chemische Werke Kluthe GmbH |
BR00.45-Z-1001-06A | Long-life grease | A 000 989 63 51 11 |