Front axle wheel hubs - renew grease, check tapered roller bearing · ap3320b3350tg · Mercedes-Benz WIS

AP33.20-B-3350TG

Front axle wheel hubs - renew grease, check tapered roller bearing

03.06.2019

Model	934.241/251, 938.14 with front axle 739.3/5
Model	936.315 with front axle 739.410/411
Model	958.0 with front axle 733.050
Model	958.0/1 with front axle 733.861/894/895
Model	958.2/4 with front axle 739.390/391/392
Model	958.4 with front axle 739.412

Modification notes

28.05.2019	Wheel hub grease (per hub)		BF33.20-B-1001-01A
28.05.2019	Hubcap grease		BF33.20-B-1002-01A

Front axle wheel hubs - renew grease, check tapered roller bearing

Represented wheel hub with disk brake

1	Radial seal
2	Race ring
3	Tapered roller bearing (internal)
4	Wheel hub
5	Tapered roller bearing (outer)
6	Cover plate
7	Washer
8	Bolt
9	Locknut
10	Seal
11	Hub cap
12	Bolt

N33.20-0343-06

	Remove
1	Remove wheels from front axle
		.	AR40.10-B-1100D
2	Remove the wheel hub (4) of the front axle
		Front axle 733.050	AR33.20-B-0310B
		Front axle 733.8 with drum brakes	AR33.20-B-0310TJ
		Front axle 739.3 wit disc brakes	AR33.20-B-0310TAW
		Front axle 739.3/5 with drum brakes	AR33.20-B-0310TDW
		Front axle 739.4 with drum brakes	AR33.20-B-0310TD
3	Remove the wheel hub (4) the radial sealant (1) and the inner tapered roller bearing (3)
	Clean
4	Remove the grease used on wheel hub (4) and tapered roller bearings (3, 5)	 Do not use solvents to remove the grease and clean the bearings and the wheel hub. For cleaning, use a clean and lint-free cloth. Otherwise the wheel hubs may be damaged.
	Check
5	Check the tapered roller bearings (3, 5) for wearing or damages	If there is wear or damage to the bearing races, internal or external:
		
		Always replace in pairs
	Install
6	Mount the wheel hub (4), the inner tapered roller bearing (3) and the radial sealant (1)	 Fill the wheel hubs and hubcaps with the prescribed amounts of grease, install a new radial seal (1) and lubricate the sealant lips with grease.
		 .Wheel hub grease (per hub)	*BF33.20-B-1001-01A
		 .Hubcap grease	*BF33.20-B-1002-01A
7	Install the wheel hub (4) on the front axle
		Front axle 733.050	AR33.20-B-0310B
		Front axle 733.8 with drum brakes	AR33.20-B-0310TJ
		Front axle 739.3 wit disc brakes	AR33.20-B-0310TAW
		Front axle 739.3/5 with drum brakes	AR33.20-B-0310TDW
		Front axle 739.41 with drum brakes	AR33.20-B-0310TD
8	Install wheels on front axle
		.	AR40.10-B-1100D
9	Press brake pedal several times

 Wheel hub, hub hubcap

Number	Designation				Front axle 733.861/894/895	Front axle 739.3/4/5
BF33.20-B-1001-01A	Wheel hub grease (per hub)	Filling volume		gramas	150	180
		Class	Specification (except Brazil)		MB 267.1	MB 267.1
			Specification (Brazil)		Consultar documento AH00.40-B-0001-01MBF no site Mercedes-Benz / Guia de Lubrificantes.	Consultar documento AH00.40-B-0001-01MBF no site Mercedes-Benz / Guia de Lubrificantes.

 Wheel hub, hub hubcap

Number	Designation				Front axle 733.050
BF33.20-B-1001-01A	Wheel hub grease (per hub)	Filling volume		gramas	200
		Class	Specification (except Brazil)		MB 267.1
			Specification (Brazil)		Consultar documento AH00.40-B-0001-01MBF no site Mercedes-Benz / Guia de Lubrificantes.

 Wheel hub, hub hubcap

Number	Designation				Front axle 733.861/894/895	Front axle 739.3/4/5
BF33.20-B-1002-01A	Hubcap grease	Replenishment quantity		gramas	50	40
		Class	Specification (except Brazil)		MB 267.1	MB 267.1
			Specification (Brazil)		Consultar documento AH00.40-B-0001-01MBF no site Mercedes-Benz / Guia de Lubrificantes.	Consultar documento AH00.40-B-0001-01MBF no site Mercedes-Benz / Guia de Lubrificantes.

 Wheel hub, hub hubcap

Number	Designation				Front axle 733.050
BF33.20-B-1002-01A	Hubcap grease	Replenishment quantity		gramas	-
		Class	Specification (except Brazil)		MB 267.1
			Specification (Brazil)		Consultar documento AH00.40-B-0001-01MBF no site Mercedes-Benz / Guia de Lubrificantes.

Front axle wheel hubs - renew grease, check tapered roller bearing

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