Valve Clearance - Check And Adjustment - MTU 20V4000M93 series Operating Instructions Manual

7.5.2 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 gauge
Valve setting gauge
Angular screw driver
Torque wrench, 60–320 Nm
Socket wrench, 24 mm
Engine oil
Preparatory steps
1. Remove cylinder head covers (→ Page 151).
2. Install barring tool (→ Page 138).
Note: Pointer (1) is located in the lower opening of
the flywheel housing (arrow).
3. Use barring tool to turn crankshaft in direc-
tion of rotation until marking OT/A1 on the
rear side of the flywheel housing and point-
er (1) are aligned.
Part No.
Y20098771
Y4349603
F30002815
F30452768
F30039526
MS150048/05E 2018-03 | Valve Drive | 147
Qty.
1
1
1
1
1