ar0510d4650sd

Remove/install intermediate gear for high-pressure pump

Type ar · topic 05.10 · version 0201 · 2011-03-15

Applies to: ENGINES 646.984 /985 /986 /989 /990 in MODEL 906

Where it sits

Function group 1 Engine › 05 Engine timing › 05.10 Timing chain drive, toothed belt drive — Series 646 (models 984, 985, 986, 989, 990) · Series 906

EinPAS 15 Engine › 15.17 Engine timing › 15.17.34 Chain drive/toothed belt/gearwheel drive — Series 646 (models 984, 985, 986, 989, 990) · Series 906

EinPAS 15 Engine › 15.45 Engine management › 15.45.51 Injection pump/injection timer — Series 646 (models 984, 985, 986, 989, 990) · Series 906

AR05.10-D-4650SD

Remove/install intermediate gear for high-pressure pump

25.2.11

ENGINES 646.984 /985 /986 /989 /990 in MODEL 906

Remove/install intermediate gear for high-pressure pump

D05.20-1121-06

1 Timing chain

2 Exhaust camshaft sprocket

3 Exhaust camshaft

4 Bolts

5 Bolt

6 High pressure pump intermediate gear

Modification notes

16.1.10

Remove/install fan cowl, for code (H08) High performance A/C - added

Operation step 2

Remove/install

1

Remove cylinder head cover

AR01.20-D-5014SD

2

Remove fan shroud

Only for code (H08) Heavy duty air conditioning

AR20.40-D-6800SD

3

Position piston of cylinder 1 to ignition TDC

AR03.10-D-7041-03SD

Socket wrench bit

*001589650900

Retaining pins

*111589031500

4

Remove front cover at cylinder head

AR01.30-D-5700SD

5

Remove chain tensioner

AR05.10-D-7800SD

6

Mark timing chain (1) relative to exhaust camshaft sprocket (2)

7

Remove bolts (4) and exhaust camshaft sprocket (2) from the exhaust camshaft (3)

Installation: Install new bolts (4).

*BA05.10-N-1001-01F

8

Remove bolt (5)

*BA05.10-N-1003-01F

9

Remove exhaust camshaft sprocket (2)

Installation: Set the timing chain (1) with the help of the markings placed on the exhaust camshaft sprocket (2) .

10

Remove high pressure pump (6) intermediate gear and secure timing chain (1) with cable tie against falling down

11

Install in the reverse order

Timing chain, chain tensioner

Number

Designation

Engine
646
in model
906

BA05.10-N-1001-01F

Bolt, camshaft sprocket to exhaust camshaft

Nm

18

BA05.10-N-1003-01F

Bolt, intermediate gear of high pressure pump to cylinder head

Nm

40

Remove/install intermediate gear for high-pressure pump
Remove/install intermediate gear for high-pressure pump

111 589 03 15 00

Retaining pins

Wrench socket

001 589 65 09 00

Referenced documents