G33.30-3154-09
Shown on front axle 737.365 |
1 | Screw | 5 | Axle tube | 9 | Release spring | ||
2 | Bolts | 6 | Pinion flange | 10 | Sliding sleeve | ||
3 | Axle strut | 7 | Notch | 11 | Piston | ||
4 | Torque tube | 8 | Ring gear with differential |
Shown on front axle 737.365 |
12 | O-rings |
13 | Outer race |
G33.30-3142-01
G33.30-3143-01
Topical note | Notes on self-locking nuts and bolts | ||
| Remove | ||
1 | Remove front axle |
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Front axle 737.367/368 in model 437.4 | |||
| Clean | ||
2 | Clean front axle | ||
3 | Remove front wheels | ||
4 | Detach all lines from axle tubes (5) | ||
5 | Place front axle on stand | ||
| Disassemble | ||
6 | Remove the steering knuckles | ||
7 | Remove sealing rings and needle roller bearings from axle tubes (5) | ||
8 | Remove axle struts (3) | ||
9 | Mark installation position of torque tube (4) on front axle housing | ||
10 | Remove bolts (1) from torque tube (4) | ||
11 | Remove axle shaft and torque tube (4) | ||
12 | Remove bolts (2) on both axle tubes (5) | ||
13 | Remove pinion flange (6) with O-ring and shims | ||
| Check | ||
14 | Check drive pinion and bearing on pinion flange (6) for signs of wear and damage | If there are problems | |
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Repair pinion flange (6). | |||
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15 | Remove one axle tube (5) | ||
16 | Remove crown wheel and differential (8) | ||
| Check | ||
17 | Check ring gear with differential (8) for signs of wear and damage | If there are problems | |
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Repair crown gear with differential (8). | |||
18.1 | Remove release spring (9), sliding sleeve (10), thrust plate and piston (11) from axle tube (5) | Front axle 737.365 in model 437.4 | |
Depending on the repair process, a needle roller bearing may already be installed instead of the thrust plate. | |||
18.2 | Remove release spring (9), sliding sleeve (10), needle bearing and piston (11) from axle tube (5) | Front axle 737.366/367/368 in model 437.4 | |
19 | Remove outer races (13) from both axle tubes (5) | Countersupport | |
Internal extractor | |||
| Clean | ||
20 | Clean all parts | ||
| Check | ||
21 | Check all parts for wear and damage | If there are problems | |
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Replace worn or damaged parts. | |||
| Assemble | ||
22 | Adjust axle drive | ||
23 | Replace both O-rings (12) in axle tube (5) | ||
24 | Install piston (11), needle bearing, sliding sleeve (10) and release spring (9) into axle tube (5) | The rollers on the needle roller bearing must point towards the sliding sleeve (10). | |
Front axle 737.365 in model 437.4 | |||
25 | Coat tapered roller bearing on crown gear with differential (8) with long-life grease | Long-life grease | |
26 | Install crown gear with differential (8) | ||
27 | Replace O-ring between pinion flange (6) and axle tube (5) | ||
28 | Coat drive pinion on pinion flange (6) with molybdenum-sulfide running-in paste | Molybdenum disulfide running-in paste | |
29 | Insert pinion flange (6) with shims and O-ring into axle tube (5) and fix in place on the axle tube (5) with a screw/bolt | The notch (7) on the pinion flange (6) must point upwards in the installation position of the front axle. | |
30 | Coat sealing surfaces on axle tubes (5) with sealant | Sealant, bracket to special drive cap | |
31 | Assemble both axle tubes (5) and tighten screws/bolts (2) evenly. | Bolt, axle tube to axle tube | |
32 | Replace radial shaft sealing ring in torque tube (4) | Front axle 737.365 in model 437.4 | |
33 | Replace O-ring between pinion flange (6) and torque tube (4) | Front axle 737.366/367/368 in model 437.4 | |
34 | Cover the sealing surface between pinion flange (6) and torque tube (4) with sealant | Sealant, bracket to special drive cap | |
35 | Attach drive shaft and torque tube (4) to the differential housing | Observe the marked installation position. | |
Bolt, pinion flange to differential gear system housing | |||
36 | Install axle struts (3) | Bolt, axle struts to torque tube | |
Bolt, axle struts to axle tube | |||
37 | Install sealing ring and needle bearing in axle tubes (5) | ||
38 | Install steering knuckle | ||
| Install | ||
39 | Attach all lines to axle tubes (5) | ||
40 | Install front wheels | Spherical collar nut | |
Pressure plate nut | |||
41 | Detach the front axle from the assembly stand | ||
42 | Install front axle |
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Front axle 737.367/368 in model 437.4 |
000 589 68 33 00
Internal extractor
000 589 35 33 00
Countersupport