17 ENGINE
17.4.18 Changing the camshaft bearing
e
I
306550-10
306552-10
306550-11
17.4.19 Checking the camshafts
0
311616-10
-
Clamp special tool
O
into a vise.
I
Adjustment bush bridge (77229050044) (
�
p. 292)
-
Mount the camshaft on the special tool.
-
Remove screw
8.
-
Pull camshaft gear (D off of the camshaft.
I
Puller (77229001044) (
�
p. 291)
-
Remove bearing
8.
-
Oil the new bearing
8
and push it onto the camshaft.
I
Lubricated with engine oil
-
Degrease the cone of the camshaft and camshaft gear.
-
Mount camshaft gear (D.
-
Mount screw
8
but do not tighten yet.
Guideline
Screw,
M12x1
70 Nm (51.6 lbf ft)
camshaft drive
Loctite
®
243
™
/cone
sprocket
degreased
-
Repeat these steps for the second camshaft.
-
Check the camshaft for damage and wear.
If there is damage or wear:
-
Change the camshaft.
-
If the surface of the cams is damaged, check the oil
supply to the camshaft and cam lever.
-
Check the autodecompressor for damage and wear.
If there is damage or wear:
-
Change the exhaust camshaft.
-
Slide the camshaft bearing to the camshaft gear.
-
Pull lever
O
away from the camshaft and release it.
If the lever does not return to its original position.
-
Change the exhaust camshaft.
41
195