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
Size
Type
Lubricant
Value/Standard
Locknut
M16x1.5
Tightening torque
90 Nm +9 Nm
6.
Check valve clearance, adjust as necessary.
Final steps
1.
Remove barring tool (→ Page 168).
2.
Install cylinder head covers (→ Page 182).
MS150045/03E 2018-08
| Valve Drive | 181
TIM-ID: 0000000922 - 016
Summary of Contents for 12V4000M73 series
Page 1: ...Operating Instructions Diesel engine 12V4000M73x 16V4000M73x MS150045 03E...
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