ar0500a5541a

Disassemble, assemble rocker arm unit

Type ar · topic 05.00 · version 0101 · 2006-08-07

Applies to: ENGINE 457.939 /945 /946 /949 in MODEL NAB372.124 ENGINE 457.939 /945 in MODEL NAB372.317

Where it sits

Function group 1 Engine › 05 Engine timing › 05.00 General — Series 372 (models 124, 317)

EinPAS 15 Engine › 15.17 Engine timing › 15.17.30 Valve train — Series 372 (models 124, 317)

Also applies to engines/gearboxes: 457 939, 457 945, 457 946, 457 949

AR05.00-A-5541A

Disassemble, assemble rocker arm unit

19.7.06

ENGINE 457.939 /945 /946 /949 in MODEL NAB372.124

ENGINE 457.939 /945 in MODEL NAB372.317

Disassemble, assemble rocker arm unit

A05.00-0002-11

1 Circlip

2 Washer

3 Rocker arm (exhaust)

4 Rocker arm (intake)

5 Adjustment screw

6 Locknut

7 Rocker arm bracket

Removing

1

Open engine compartment flap

2

Remove engine compartment flap below last row of seats

3

Remove cylinder head cover

AR01.20-A-5014A

4

Remove rocker arm assembly

AR05.00-A-5521A

Disassemble

5

Take off circlips (1)

6

Remove washers (2) and rocker arms (3, 4)

Checking

7

Check circlips (1), washers (2), rocker arms (3, 4), adjustment screw (5) and counternut (6) for wear and damage

Replace any faulty parts.

Rocker arm bearing bush inner

*BE05.30-N-1002-04F

Rocker arm shaft dia.

*BE05.30-N-1003-04F

Assemble

8

Mount washers (2) and rocker arms (3, 4)

Lubricate washers (2), rocker arms (3, 4) and shafts on rocker arms brackets (7) using engine oil

Mark installation position of rocker arms (3, 4)

9

Mount circlip (1)

Install

10

Install rocker arm assembly

AR05.00-A-5521A

11

Install cylinder head cover

AR01.20-A-5014A

12

Install engine compartment flap below last seat row

13

Close engine compartment flap

Check values for valve timing

Number

Designation

Engine 457.9

BE05.30-N-1002-04F

Rocker arm bearing bush inner dia. when installed

mm

25.005 to 25.021

BE05.30-N-1003-04F

Rocker arm shaft dia.

mm

24.967 to 24.980

Referenced documents