Removing and installing kingpin

AR33.25-B-0400-10D

Removing and installing kingpin

Front axle

732.7

Front axle

733.861/894 in model 958.0/1

Modification notes

06.05.2020

Steering bar arm bolt and connection to the front axle

BA33.25-B-1003-01A

Shaft end

Number

Designation

Front axle 732.715/716

Front axle 732.717/723

BE33.25-B-1003-01A

Axial play and compensating washers

Beam handle

mm

0,01...0,15

0,01...0,15

Washers thickness

mm

1,7...2,5

0,7...2,3

Shaft end

Number

Designation

Front axle 732.702, 732.704, 732.718/719, 732.732/733, 732.736, 732.740/741, 732.748

Front axle 732.759

BE33.25-B-1003-01A

Axial play and compensating washers

Beam handle

mm

0,01...0,15

0,01...0,15

Washers thickness

mm

0,7...2,5

0,7...2,3

Shaft end

Number

Designation

Front axle 732.793

BE33.25-B-1003-01A

Axial play and compensating washers

Beam handle

mm

0,01...0,15

Washers thickness

mm

1,7...2,5

Steering knuckle

Number

Designation

Front axle 733.894/895/861

BE33.25-B-1003-01D

End play and compensating washers

Steering knuckle end play

mm

0,01 ... 0,15

Washers thickness

mm

1,7 ... 2,8

Shaft end

Number

Designation

Front axle 732.715/716

Front axle 732.717/723

BE33.25-B-1004-01A

Beam handle temperature for king pin assembly

° C máx

150

150

Shaft end

Number

Designation

Front axle 732.702, 732.704, 732.718/719, 732.732/733, 732.736, 732.740/741, 732.748

Front axle 732.759

BE33.25-B-1004-01A

Beam handle temperature for king pin assembly

° C máx

150

150

Shaft end

Number

Designation

Front axle 732.793

BE33.25-B-1004-01A

Beam handle temperature for king pin assembly

° C máx

150

Steering knuckle

Number

Designation

Front axle 733.894/895/861

BE33.25-B-1004-01D

Beam handle temperature to assemble the master pin

°C máx

150

 Axle body, steering knuckle

Number

Designation

Front axle 732.7

Front axle 733.894/861

BA33.25-B-1003-01A

Steering bar arm bolt and connection to the front axle

M16x1.5 N 14115

Nm

-

-

M16x1.5 EN 28676

Nm

-

-

M16.5 x 1.5 MBN 10105

Nm

-

-

M18x1,5 10.9

Nm

380

-

M20x1,5 10.9

Nm

540

540

M22x1,5 10.9

Nm

720

-

M24x1,5 10.9

Nm

920

-

1

Remove the nut and washer (1) from the lock screw on the beam cuff.

2

Remove the lock screw with the help of an appropriate punch.

3

Remove the lock rings (1) upper and lower.

4

Remove the covers (2) and the top and bottom sealing rings (3).

5

Remove the kingpin with the aid of the  device (1), the extender (2, ) and the hydraulic jack (3).

6

Install on the beam cuff (3) the shaft end (1) and adjust the axial play through compensating washers (2).

7

Centralize the shaft end (1) with the thrust bearing and the compensating washer selected on the beam cuff (2), with the guide mandrel (3).
Front axle 733.861/894 
Front axle 732.7 
Mandrel VL 3/35 and VL 3/6, 7 - 383 589 00 61 00  ø 38 mm
Mandrel VL 3/37 - 343 589 01 61 00  ø 45 mm

8

Cool the kingpin with liquid nitrogen, using the  cooling box.
Front axle 733.861/894 
Front axle 732.7 

 If you cannot cool the kingpin, you can heat the beam cuff with a heat gun. Do not exceed the temperature of 150° to avoid damaging the sealant. The kingpin as the beam cuff and the bushings are to be perfectly clean and dry, free of any oily substance.

 Use gloves or a magnetic rack to assemble master pin.

9

Inset the kingpin to the groove until it is aligned with the lock screw hole.

10

Mount the lock screw with the milled side facing the master pin and tighten the fixing nut (1).
. 