Front axle wheel hubs - renew grease, check tapered roller bearing · ap3320a3350la · Mercedes-Benz WIS

AP33.20-A-3350LA

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

19.9.07

FRONT AXLE 732.241 in MODEL 8AB390.053 /054

A33.20-0006-11

1 Radial sealing ring

2 Tapered roller bearing

3 Bearing outer race

4 Wheel hub

5 Bearing outer race

6 Tapered roller bearing

	Removing
1	Detach wheels from front axle
			AR40.10-A-1100LA
2	Detach brake drums from front axle
			AR42.10-A-1010LA
3	Detach wheel hubs (4) from front axle
			AR33.20-A-0310LA
	Clean
4	Remove old grease on wheel hubs (4), wheel hub covers and tapered roller bearings (2, 6)
	Checking
5	Check tapered roller bearings (2, 6) and bearing outer races (3, 5) in wheel hubs (4) for condition and wear	 Always replace damaged or worn tapered roller bearings in pairs with the bearing outer races: 
		Remove/install bearing outer races - subject to separate repair order.	AR33.20-A-0310-06LA
	Install
6	Grease tapered roller bearing (2, 6) and pack wheel hubs (4) and wheel hub covers with grease		*BF33.20-N-1001-01G
7	Install wheel hubs (4) on front axle
			AR33.20-A-0310LA
8	Install brake drums on front axle
			AR42.10-A-1010LA
9	Install wheels on the front axle
			AR40.10-A-1100LA

 Wheel hub, cap

Number	Designation			Front axle 732.241


BF33.20-N-1001-01G	Multipurpose grease	Capacity per wheel hub	g	450
		Specifications for Operating Fluids	Sheet	BB00.40-P-0267-00A

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