Modification notes |
13.02.2014 | Bolt, pinion flange to differential gear system housing | FRONT AXLE 737.570/571 with TRANSMISSION 718.840 | BA33.30-N-1011-01F |
13.02.2014 | Schraube Ritzelflansch an Ausgleichsgetriebegehäuse | VORDERACHSE 737.570/571 mit GETRIEBE 718.840 | BA33.30-N-1011-01F |
16.05.2014 | Document completely revised. |
G33.30-3115-09
Shown on front axle 737.570 |
1 | Screw | 5 | Axle tube | 9 | Piston | ||
2 | Pinion flange | 6 | Ring gear with differential | 10 | O-rings | ||
3 | Front axle housing | 7 | Release spring | 11 | Outer race | ||
4 | Screw | 8 | Sliding sleeve |
Topical note | Notes on self-locking nuts and bolts | ||
| Remove | ||
1 | Remove front axle |
| |
Front axle 737.570/571/580/581/590 in model 405 | |||
Front axle 737.910 in model 000.001 | |||
| Clean | ||
2 | Clean front axle | ||
3 | Remove front wheels | ||
4 | Disconnect all lines from front axle | ||
5 | Mount front axle onto assembly stand | ||
| Disassemble | ||
6 | Remove steering knuckle |
| |
Front axle 737.910 in model 000.001 | |||
7 | Remove sealing rings and needle roller bearings from axle tubes (5) |
| |
Front axle 737.910 in model 000.001 | |||
8 | Remove bolts (4) on both axle tubes (5) | ||
9 | Remove bolt (1) | ||
10 | Remove pinion flange (2) with O-ring and shims | ||
| Check | ||
11 | Check drive pinion and bearing in pinion flange (2) for signs of wear and damage | If there are problems: | |
| |||
Repair pinion flange (2). | |||
12 | Remove one axle tube (5) | ||
13 | Remove ring gear with differential (6) | ||
| Check | ||
14 | Check ring gear with differential (6) for signs of wear and damage | If there are problems: | |
| |||
Repair ring gear with differential (6). | |||
15 | Remove release spring (7), sliding sleeve (8), needle roller bearing and piston (9) from axle tube (5) | ||
16 | Remove outer races (11) from both axle tubes (5) | Countersupport | |
Internal extractor | |||
| Clean | ||
17 | Clean all parts | ||
| Check | ||
18 | Check all parts for wear and damage | If there are problems: | |
| |||
Replace worn or damaged parts. | |||
| Assemble | ||
19 | Adjust axle drive | ||
20 | Replace both O-rings (10) in axle tube (5) | ||
21 | Install piston (9), needle roller bearing, sliding sleeve (8) and release spring (7) into axle tube (5) | The bearing rollers on the needle roller bearing must point toward sliding sleeve (8). | |
22 | Apply coating of long-life grease to tapered roller bearing on ring gear with differential (6) | Long-life grease | |
23 | Install ring gear with differential (6) | ||
24 | Replace O-ring between pinion flange (2) and the front axle housing (3) | ||
25 | Coat drive pinion on pinion flange (2) with molybdenum-sulfide running-in paste | Molybdenum disulfide running-in paste | |
26 | Insert pinion flange (2) with shims and O-ring into front axle housing (3) and fasten to front axle housing (3) using a bolt (1) | The notch on the pinion flange (2) must point upwards in the installation position of the front axle. | |
27 | Coat both axle tubes (5) with sealant | Sealant, bracket to special drive cap | |
28 | Assemble both axle tubes (5) and tighten bolts (4) evenly. | Front axle 737.570/571/572/580/581/583/590/592Bolt, axle tube to axle tube | |
Front axle 737.910 in model 000.001Bolt, axle tube to axle tube | |||
29 | Tighten bolts (1) on pinion flange (2) | Front axle 737.570/571/572/580/581/583/590/592Bolt, pinion flange to differential gear system housing | |
Front axle 737.910 in model 000.001Bolt, pinion flange to differential housing | |||
30 | Install sealing rings and needle roller bearing in axle tubes (5) |
| |
Front axle 737.910 in model 000.001 | |||
31 | Install steering knuckle |
| |
Front axle 737.910 in model 000.001 | |||
| Install | ||
32 | Detach the front axle from the assembly stand | ||
33 | Install all lines onto front axle | ||
34 | Fit front wheels | Front axle 737.570 in model 405.10/12 | |
Front axle 737.571/572 in model 405 | |||
35 | Install front axle |
| |
Front axle 737.572/583 in model 405 | |||
Front axle 737.910 in model 000.001 |
000 589 68 33 00
Internal extractor
000 589 35 33 00
Countersupport