Piston
Maintenance / Reassembly
A5.05. 02.10.01.01
M20
en / 17.06.1998 IB004785 3/3
02
Ĺ
12. If it has been removed, mount the
cylinder liner holder (fig. 3/W2) on the
cylinder liner (2). Only screw the
hexagon socket screw finger (5) tight
against the cylinder crankcase (4).
13. Dismantle the piston insertion device
(fig. 1/W4), piston assembly ring (fig. 2/
W3) as well as the piston mounting/
extraction device (fig. 3/W1).
14. Clean the contact surface on the
cylinder liner collar.
Attention:
Insert the calibrating ring (1) only after
the piston has been mounted!
15. Insert a new calibrating ring carefully
into the cylinder liner and lower it down
to the recess.
Do not tilt the calibrating ring !
16. Mount the con-rod (02.04.02.nn).
17. Mount the cylinder head (01.11.01.nn).
18. Dismantle the cylinder liner
holder (W2).
19. Mount the power unit cover and close
the indicator valves.
20. Dismantle the turning device.
2
3
1
4
5
W2
W1
3
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