ar0510s8127ea

Remove/install tensioning rail

Type ar · topic 05.10 · version 0100 · 2019-10-28

Applies to: Engine 654.9 in model 447

Where it sits

Function group 1 Engine › 05 Engine timing › 05.10 Timing chain drive, toothed belt drive — Series 447 · Series 654 (models 9**)

EinPAS 15 Engine › 15.17 Engine timing › 15.17.34 Chain drive/toothed belt/gearwheel drive — Series 447 · Series 654 (models 9**)

AR05.10-S-8127EA

Remove/install tensioning rail

11.10.2019

Engine

654.9 in model 447

Remove/install tensioning rail

1

Tensioning rail

2

Bearing pin

5

Timing chain

P05.10-2586-12

Caution

Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil

Wear protective gloves, protective clothing and safety glasses.
Do not fill engine oil into beverage containers.

AS18.00-Z-0001-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

Remove

1

Remove timing case cover.

AR01.40-S-8000EA

2

Remove bearing pin (2).

3

Pull timing chain (5) to the side and remove tensioning rail (1).

Check

4

Check tensioning rail(1) for wear, galling, and damage.

If there is a problem,

replace tensioning rail (1).

Install

5

Position tensioning rail (1) on the timing chain (5) and on the crankcase.

6

Wet stem of the new bearing pin (2) with engine oil and screw in the bearing pin (2).

Low SPAsh multigrade service engine oils (specification 229.71)

BB00.40-P-0229-71A

Bolt, tensioning rail to crankcase

*BA05.10-N-1002-03EA

7

Install timing case cover.

AR01.40-S-8000EA

Chain drive, belt drive

Number

Designation

Engine 654.9 in model 447

BA05.10-N-1002-03EA

Bolt, tensioning rail to crankcase

Nm

25

Referenced documents