Man E 0824 E 301, Руководство по эксплуатации, Страница: 34 / 48

Checking and setting
32
Adjusting valve clearances
Only adjust the valves when the engine is
cold (maximum coolant temperature
50
°
C).
Remove cylinder head covers.
Turn the engine over until the piston of the
cylinder to be adjusted is at ignition TDC
and the rockers are relieved of load. The
valves of the synchronous cylinder are
then on overlap.
E 0824 E 301 / 302
Valves rocking on cylinder
1 3 4 2
4 2 1 3
Adjust valves on cylinder
E 0826 E 301 / 302
Valves rocking on cylinder
1 5 3 6 2 4
6 2 4 1 5 3
Adjust valves on cylinder
The valve clearance (see “Technical
Data”) is to be set so that the feeler gauge
can be moved between the valve stem
and the rocker arm against slight resis-
tance.
For adjustment, loosen counter nut and
adjust setting screw.
1 Exhaust valve
2 Inlet valve
3 Feeler gauge
I
II
A E A E A E A E A E A E
1 2 3 4 5 6
II
A E A E A E A E
1 2 3 4
I
1
2
3