AR35.30-D-4815B | Remove and install drive pinion and ring gear with differential | 5.4.12 |
REAR AXLE 741.404 /405 /406 /436 /437 /438 /439
D35.30-0011-05
1 Collar nut
2 Screw
3 Spring washer
4 Nut
5 Joint flange
6 Radial sealing ring
7 Outer tapered roller bearing
8 Compressed ring
9 Oil drain screw
10 Shim
11 Inner tapered roller bearing
12 Drive pinion
13 Housing cover seal
14 Housing cover
15 Oil filler plug
16 Screw
17 Spacer washer
18 Ring gear with differential
19 Bearing bracket
20 Screw
| Removing | ||
1 | Remove wheels at rear axle | ||
2 | Drain oil from rear axle | ||
3 | Remove propeller shaft at joint flange (5) | ||
4 | Remove both rear axle shafts | ||
5 | Remove housing cover (14) from rear axle housing | ||
6 | Remove differential from rear axle housing | ||
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Check tapered roller bearing and replace if necessary. See: | |||
Detach tapered roller bearing from differential housing. | |||
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Fit tapered roller bearing to differential housing. | |||
7 | Remove joint flange (5) from drive pinion (12) | ||
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8 | Drive the drive pinion (12) out of axle housing and remove with compression ring (8) | Check tapered roller bearing and replace if necessary. See: | |
Pull off and press on tapered roller bearing at drive pinion. | |||
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9 | Drive out tapered roller bearing (7) at flange and radial sealing ring | Check parts, replace if necessary. | |
10 | Drive out pinion-side tapered roller bearing outer race (11) and remove with shim (10) | | |
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| Install | ||
11 | Measure basic dimension at differential | Rear axle 741.40/43 except code (A71) rear axle differential lock Rear axle 741.406/437 with code (A71) Rear axle differential lock | |
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Rear axle 741.404/405/408/436/438 with code (A71) rear axle differential lock | |||
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| Notes on labeling rear axle gear assembly | ||
12 | Measure thickness of shims (17) for adjusting (18) rear axle housing | ||
Preload of differential bearing | |||
13 | Install differential (18) in rear axle housing | Do not install bearing bracket yet or check gear backlash yet. | |
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14 | Check friction torque of differential | ||
Spring balance | |||
Friction torque | |||
15 | Remove differential again with shims | ||
16 | Measure difference dimension of drive pinion | ||
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| Drive pinion end face machining changed | Strip end face with whetstone ( ) Rear axle 741.4 as of 01/97 as well as drive pinions installed as a replacement part as of 01/97. | |
Whetstone | |||
17 | Measure basic dimension at rear axle housing and thickness of shim (10) for adjusting basic dimension | ||
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Rear axle 741.404/405/408/436/438 with code (A71) rear axle differential lock | |||
Desired value for basic dimension | |||
Basic dimension for rear axle drive | |||
18 | Installing drive pinion with bearing in rear axle housing | Replace compression ring (6). | |
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19 | Install new radial sealing ring (6) at drive pinion | Check sealing surface in axle housing for damage, re-face if necessary. | |
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Sealant | |||
Multipurpose grease | |||
20 | Install joint flange (5) at drive pinion (12) | Replace collar nut. Never correct total friction coefficient by slackening collar nut. If the permissible total friction moment was exceeded, the compression ring must be replaced. To do this, remove drive pinion. | |
Friction torque of drive pinion | |||
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21 | Check basic dimension again at rear axle housing | Ground gear set: The specified basic dimension must be reached. Lapped gear set: The basic dimension engraved on the ring gear must be reached. | |
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Rear axle 741.404/405/408/436/438 with code (A71) rear axle differential lock | |||
22 | Secure collar nut (1) | ||
23 | Install differential again in rear axle housing | ||
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Gear backlash | |||
24 | Check contact pattern of ring gear and pinion | If necessary, carry out the required corrections with revised spacers. | |
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Prussian Blue | |||
25 | Install housing cover (15) with new seal (14) at rear axle housing | | |
26 | Install both rear axle shafts | ||
27 | Connect propeller shaft to joint flange (5) | | |
28 | Pour in oil at rear axle | ||
29 | Mount wheels |
Test and adjustment values for rear axle drive
Number | Designation | Rear axle 741.40/43 | ||
BE35.30-N-1001-01B | Friction torque of drive pinion bearing with radial seal | Nm | 2.5...3 | |
BE35.30-N-1002-01B | Preload of differential bearing | mm | 0,16 | |
BE35.30-N-1003-01B | Pulling power for measuring friction torque of differential housing bearing (preload) | O | 35...45 | |
BE35.30-N-1004-01B | Specified basic dimension for rear axle housing | mm | 66 | |
See picture | ||||
BE35.30-N-1005-01B | Gear backlash of rear axle drive | mm | 0.10...0.15 | |
Rear axle drive
Number | Designation | Rear axle | |||
BA35.30-N-1002-02A | Bearing bracket, differential housing to axle center assembly | M10 | Stage 1 | Nm | 70 |
Stage 2 | ° | - | |||
M121.5 | Stage 1 | Nm | - | ||
Stage 2 | ° | - | |||
M162 | Nm | - | |||
Propeller shaft
Number | Designation | Model | ||||
BA41.10-N-1002-01B | Bolt, rear propeller shaft to rear axle | M101 | Stage 1 | Nm | 76 | |
Stage 2 | ° | - | ||||
Screw headE14 | Stage 1 | Nm | - | |||
Stage 2 | ° | - | ||||
Axle housing
Number | Designation | Rear axle 741.40/43 | |||
BA35.25-N-1001-01A | Bolt, cover to rear axle housing | M8 | Stage 1 | Nm | 65 |
Stage 2 | ° | - | |||
M10 | Stage 1 | Nm | - | ||
Stage 2 | ° | - | |||
Wheels
717 589 00 31 00
Puller
Retainer wrench
Spreader
Thrust piece
460 589 05 31 00
035 589 01 33 00
601 589 01 63 00
601 589 00 21 00
Ring
Adjustment device
Thrust piece
Measuring plate
601 589 10 63 00
460 589 03 63 00
140 589 16 23 00
001 589 53 21 00
Dial indicator holder
Dial indicator
Measuring piece
Drift
601 589 01 23 00
363 589 02 21 00
312 589 05 15 00
601 589 02 63 00
Drift
Support bridge
Drift
Drift
318 589 01 15 00
000 589 10 15 00
460 589 15 15 00
601 589 01 40 00
Torque meter
Holding device
Drift
Puller
343 589 03 15 00
001 589 49 21 00
001 589 19 33 00
Puller
123 589 08 33 00
Repair materials
Number | Designation | Order number |
BR00.45-Z-1017-01A | Sealant, SV flame starting system replaced with: A001 989 25 20 | A 000 989 54 20 |
BR00.45-Z-1008-06A | Silicone-based grease | A 001 989 28 51 10 |
BR00.45-Z-1002-07A | Prussian Blue | - |
Referenced documents
- ah3530n000101a Notes on labeling rear axle gear set
- ar3530d430001a Pull tapered roller bearing off drive pinion, press on
- ar3530d430005a Install tapered roller bearings on differential housing
- ar3530d467001a Remove joint flange at drive pinion
- ar3530d467002a Install radial sealing ring on drive pinion
- ar3530d467003b Install joint flange at drive pinion
- ar3530d467004a Secure collar nut on joint flange drive pinion
- ar3530d481501a Removing differential from rear axle housing
- ar3530d481502a Measuring basic dimension on differential
- ar3530d481502b Measuring basic dimension on differential
- ar3530d481503a Determining thickness of shims for differential on rear axle housing
- ar3530d481504a Install differential in rear axle housing
- ar3530d481505a Check friction torque of differential
- ar3530d481506a Determining difference dimension of drive pinion
- ar3530d481507a Measure basic dimension at rear axle housing and determine thickness of shim for correcting basic dimension
- ar3530d481508a Basic dimension for rear axle drive
- ar3530d481509a Installing drive pinion with bearing in rear axle housing
- ar3530d481510a Checking contact pattern of crown wheel and pinion
- bt3530d000601a Drive pinion end face machining changed
- ra3501hl00130x 0130 - Removal and installation of rear axle shaft HL 0/1, 0/2 (model 741.4) Transporter T1, Models 601, 602
- wh3501tra0000x 3501 - Rear axle Oil change Transporter T1/T2, models 741.0/2/3/4/5; (HL 2/15) models 742.47/48