Disassembling and assembling pinion housing with drive pinion · ar3530b0470b · Mercedes-Benz WIS

AR35.30-B-0470B

Disassembling and assembling pinion housing with drive pinion

12.02.16

Rear axle 740 with Vehicle 696.365, 696.369

Rear axle 740.899 with Vehicle 693.196, 696.367

Disassembling and assembling pinion housing with drive pinion

B35.30-0133-06

1 Flat nut (integrated washer)

2 Pinion drive gear

3 Tapered roller bearings

4 Bearing track

5 Compensator assembling housing

6 Compensation washer

7 Spacer bushing

8 Bearing track

9 Tapered roller bearings

10 Pinion

11 Fastening device

12 Socket

13 Device bolt

	Disassemble
1	Remove the housing with the axle housing pinion		AR35.30-B-0471A
2	Remove the pinion (10) from the drive gear (2)		*395589016300
3	Remove from the housing of the compensator assembling (5) the pinion (10)	 Use a plastic hammer.
4	Remove from the housing of the compensator assembling (5) the tapered roller bearing (3)
5	Remove from the pinion (10) the compensator washer (6) and the spacer bushing (7)
6	Remove from the pinion (10) the tapered roller bearing(9)	 SKF bearing with 18 rollers	*001589273300
		 FAG bearing with 15 rollers	*001589263300
		 TIMKEN bearing with 15 rollers	*055589043300
		 FAG bearing with 17 rollers	*001589263300
7	Remove from the compensator assembling housing (5) the bearings tracks (4) and (8)		*000589163300
	Assemble
8	Install in the compensator assembly housing the bearing tracks (8)		*345589071500
9	Install in the gears box the bearing track (4)		*321589051500
10	Determine the thickness of the pinion washers		AR35.30-B-0470-03B
			*BE35.31-B-1002-02A
11	Install the tapered roller bearing (9) in the pinion (10), until the stopper	 Heat the bearing approximately 80 °C. The heating must not be performed with direct flame.
12	Install the spacer bushing (7) and the compensation washers (6) in the pinion (10)
13	Install the pinion (10) in the compensation assembling housing (5)
14	Install the tapered roller bearing (3) in the pinion (10), up to the stopper	 Heat the bearing approximately 80 °C. The heating must not be performed with direct flame.
15	Install the pinion drive gear (2) at its end	 Heat the bearing approximately 80 °C. The heating must not be performed with direct flame.
		 Lubricate slightly the pinion groove. Use new flange nuts.	*BR00.45-B-1003-06A
			*BA35.30-B-1001-06A
16	Measure the moment of friction of the pinion bearings		AR35.30-B-0470-04B
			*BE35.31-B-1001-02A
17	Install the housing with the pinion in the axle housing		AR35.30-B-0471A

Test values for rear axle center assembly friction torque

Número	Denominação				Axle 740.8


BE35.31-B-1001-02A	Preload (friction moment) of the pinion bearings	New bearing		Nm	3...10
BE35.31-B-1002-02A	4 mm compensating washers	-- Increases by 0.1 mm	Minimum thickness	mm	4,1
			Maximum thickness	mm	4,2
		-- 0.05 mm increments	Minimum thickness	mm	4,3
			Maximum thickness	mm	5,1