Valve Clearance - Check And Adjustment - MTU 12V4000C Series Operating Instructions Manual

8.5.3 Valve clearance – Check and adjustment
Preconditions
☑ Engine is stopped and starting disabled.
☑ Engine coolant temperature is max. 40 °C.
☑ Valves are closed.
Special tools, Material, Spare parts
Designation / Use
Feeler gage
Torque wrench, 60–320 Nm
Socket box wrench
Engine oil
Preparatory steps
1. Remove cylinder head cover (→ Page 94).
2. Install barring tool (→ Page 75).
3. Use barring tool to turn crankshaft in direc-
tion of rotation until marking OT-A1 (1) and
pointer (2) are aligned.
90 | Valve Drive | MS150049/04E 2017-04
Part No. Qty.
Y20098771 1
F30452768 1
F30039526 1