ar0520d6992sd

Remove/install camshafts

種別 ar · トピック 05.20 · バージョン 0202 · 2019-02-19

適用: Engine 646.984/985/986/989/990 in model 906

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位置付け

機能グループ 1 エンジン › 05 エンジン・タイミング › 05.20 カムシャフト、カムシャフト調整 — シリーズ 646(モデル 984, 985, 986, 989, 990) · シリーズ 906

EinPAS 15 エンジン › 15.17 エンジンコントロール › 15.17.30 バルブトレイン — シリーズ 646(モデル 984, 985, 986, 989, 990) · シリーズ 906

AR05.20-D-6992SD

Remove/install camshafts

04.02.2019

Engine

646.984/985/986/989/990 in model 906

Modification notes

16.01.2010

Remove/install fan shroud, for code (H08) High-performance air conditioning system, added

Operation step 2

Remove/install camshafts

1

Intake camshaft

2

Exhaust camshaft

3

Exhaust camshaft sprocket

4

Timing chain

5

Bolts

D05.20-1124-06

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

Remove retaining pin after adjustment operations from intake camshaft (1).

Socket wrench bit

*001589650900

Retaining pins

*111589031500

4

Remove front cover at cylinder head

AR01.30-D-5700SD

5

Secure timing chain (4) with cable tie to exhaust camshaft sprocket (3)

6

Remove chain tensioner

AR05.10-D-7800SD

7

Remove bolts (5) and remove exhaust camshaft sprocket (3) with mounted timing chain (4)

Installation: Replace screw/bolts (5).

Bolt, camshaft sprocket to exhaust camshaft

*BA05.10-N-1001-01F

8

Remove camshaft bearing cap

AR05.20-S-6992-04SD

Topical note

Marking on camshaft bearing caps

AH05.20-P-6992-04HE

Observe identification of camshaft bearing cap.

Screw/bolt, camshaft bearing cap to cylinder head

*BA05.20-N-1001-01L

9

Remove intake camshaft (1) and exhaust camshaft (2)

Installation: Oil compensating elements in camshaft bearing points, check for ease of movement of compensating elements. Align intake camshaft (1) and exhaust camshaft (2) at axial bearing. Mount intake camshaft (1) and exhaust camshaft (2) so that both markings (arrows) face each other.

10

Install in the reverse order

Timing chain, chain tensioner

Number

Designation

Engine 646.984/985/986/989/990 in model 906

BA05.10-N-1001-01F

Bolt, camshaft sprocket to exhaust camshaft

Nm

18

Camshaft

Number

Designation

Engine 646.984/985/986/989/990 in model 906

BA05.20-N-1001-01L

Screw/bolt, camshaft bearing cap to cylinder head

Nm

9

Remove/install camshafts
Remove/install camshafts

111 589 03 15 00

Retaining pins

001 589 65 09 00

Socket wrench bit

参照文書