MTU 12 V 4000 L62FB Operating Instructions Manual page 135

Note: Make sure that the color code of the spark
plugs is identical.
7. Screw spark plug into cylinder head (1).
Note: The temperature of spark plug and cylinder head (1) must be the same prior to tightening.
8. Use torque wrench to tighten spark plug to specified tightening torque.
Name
Spark plug
9. Fit spark plug connector (3) with ignition cable (2) on spark plug.
10. Install tab washer (4) with screws (5) on cylinder head cover (1).
11. Install ignition cable on ignition coil.
Size Type
M18 x 1.5 Tightening torque
Lubricant
(Assembly compound
(Molycote P 37))
MS150098/02E 2016-11 | Ignition System | 135
Value/Standard
50 +5 Nm