Disassemble, assembly steering knuckle

AR33.25-B-0350D

Disassemble, assembly steering knuckle

22.06.2020

Front axle

739.330/395/396/397 in model 382, 634, 685

With needle bearings at the axle sleeve

1

Axle sleeve

2

Retainer

3

Needle roller bearing

1

Axle sleeve

2

Retainer

3

Needle roller bearing



Disassemble

1

Remove needles bearings (3) of the lower part of the axle sleeve (1)

.

AR33.25-B-0400-12B

 Drift

*730589031500

 Drift

*055589321500



Check

2

Check the steering knuckle (1) for cracks, grooves, and wear of the grip faces. Check the smooth surface of the bearings and their eccentricity

.

AR33.25-B-0500C

 If they are outside the maximum allowed tolerances, replace the steering knuckle.

 Alignment or adjustment of the axle sleeve is not allowed.



Assemble

3

Assemble needle bearings at the lower part of the axle sleeve

.

AR33.25-B-0400-03B

.Needle roller bearing

*BE33.25-B-1005-01A

.Edge clearance

*BE33.25-B-1006-01A

 Thrust piece

*389589006300

 Thrust piece

*389589016300

 Drift

*055589321500

 Drift

*730589031500

Shaft end

Number

Designation

Front axle 739.395/397, 739.398

Front axle: 739.330/386/396

BE33.25-B-1005-01A

Needle roller bearing

External diameter

mm

58,000

58,000

Normal internal diameter

mm

50,010...50,035

50,010...50,035

Normal internal diameter I

mm

50,310...50,335

50,310...50,335

Repair internal diameter I

mm

50,610...50,635

50,610...50,635

Width

mm

24,80...25,00

24,80...25,00

Width A

mm

-

-

Width B

mm

-

-

Shaft end

Number

Designation

Front axle 739.395/397, 739.398

Front axle: 739.330/386/396

BE33.25-B-1006-01A

Edge clearance

With washer

Dimension A

mm

10,8...11,0

10,8...11

Without washer

Dimension A

mm

12,8...13,0

-

With washer

Dimension B

mm

10,8...11,0

9,8...10,0

Without washer

Dimension B

mm

12,8...13,0

-