Piston
Maintenance / Reassembly
A5.05. 02.10.01.01
M20
en / 17.06.1998 IB004785 1/3
02
Ĺ
See also: 02.04.02.nn, 02.07.01.nn
Spare parts list: B1.05.02.2.2601
Time requirement: 1 Pers./ 0,50 h
Personnel qualification: skilled engine hand
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Operating medium: Heavy fuel and distillate fuel
Tools:
Mounting/extraction device for pistons W1 1.9080-012
Cylinder liner holder W2 2.9217 A
Piston assembly ring W3 2.9220 B
Piston insertion device (sheet metal sleeve) W4 259220 A
Auxiliary material:
Molykote paste "G-Rapid Plus“ **
** or a product of equal standard
Note:
The cylinder liner must always be secured by means of the cylinder liner holder (fig. 3/W2)
to prevent the cylinder liner from coming loose when turning the engine (without
dismantled cylinder head)!
Pay attention to the cylinder number mark on the bottom end.
Drive in the engine according to the driving-in regulation (A3.10.01.nn) after fitting a new
piston/new piston rings!
Sequence of operations:
1. Replace the piston rings as required.
2. Fit the new piston rings with the ring joints in a longitudinal direction to the engine
alternately arranged opposite each other! Lubricate the piston rings and pistons well on
the outside.
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