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Adjusting valve clearance
1.
Release locknut (1).
2.
Insert valve setting gauge (3) between valve
bridge and rocker arm.
Note:
Replace or rectify adjusting screws and/or
locknuts which do not move freely.
3.
Using angular screw driver, set adjusting
screw (2) so that the specified valve clear-
ance is provided.
Note:
Valve setting gauge must just pass through
the gap.
4.
Pass valve setting gauge (3) between valve
bridge and rocker arm.
5.
Tighten locknut (1) to specified torque using a torque wrench, holding the adjusting screw (2) in place to
prevent it from turning.
Name
Locknut
6.
Check valve clearance, adjust as necessary.
Final steps
1.
Remove barring tool (→ Page 218).
2.
Install cylinder head covers (→ Page 240).
Size
Type
M16x1.5
Tightening torque
Lubricant
(Engine oil)
MS15038/01E 2018-11 | Valve Drive | 239
Value/Standard
90 Nm +9 Nm
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