Dacia 1304 2004, Руководство по ремонту

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10
10 - 42
ENGINE AND LOWER ENGINE UNITS
For all types of engines,the jackets shall be positioned as follows:
- the maximum difference between the heights of two adjoing jackets shall be
maximum
0,02 mm
,within the limit of the prescribed tolerance;
- the jackets shall be placed in growing order ( by steps ).
After obtaining the correct height,the position of the jackets in the block is marked so that it
may be paired with the corresponding connecting rods.
For the engines where sealing is done by “
Cu
“ made gaskets,the checking is done with
gaskets fitted.
Overheight of the gaskets over the gasket level :
0,05 – 0,13 mm
. If the height of the jackets
over the gasket level is not within the prescribed limits, the jacket-block assembling values are to
be checked.
DISMOUNTING OF THE PISTON SHAFT
The dismounting and mounting of the piston
shafts is performed by means of the
MOT 255
device ,made of:
- support bushing of the piston upon
dismounting the piston (
A
);
- support bushing of the piston upon
mounting ( B );
- extractor mandrel ( 3 );
- mounting mandrel (
1
);
- centering mandrel (
2
);
- connecting rod checking mandrel ( 4 );
- washer ( 5 ).
Place the old piston with the blades item on
the support bushing (
A
).
Introduce the extractor mandrel (
3
) and by
means of a press, dismount the shaft of the old
piston.
CONNECTIONG RODS PREPARATION
Check:
- the state and the aspect of the connecting rods;
- the setting of the cap on the connecting rod body; remove the burrs if any in order to
ensure a correct setting;
- the parallelism of the head and the foot;
- the connecting rod twist.
DISMOUNTING - MOUNTING
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