MAK M 20 - Page 103

Cylinder Head
Repair / Reassembly
A5.05. 01.11.01.00
M20
en / 30.09.2010 IB001353 2/5
01
Sequence of operations:
1. Turn the piston to firing TDC.
2. Clean sealing faces and contact surfaces of cylinder head and liner thoroughly and check for
damage. Insert new sealing ring (Fig. 1/1) into cylinder liner collar.
3. Renew the following O-rings: Top O-ring at the cylinder liner collar (X/2), at cylinder head (3), on
pushrod passage (4), at the cooling water transition (Y/5) and at charge air intake nozzle (6).
Fig. 1
X
Y
X
1
7
Y
4
3
2
5
6