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Adjusting dimension „X"
Dimension „X" is the dimension from upper edge of piston to upper
edge of cylinder with cylinder under low tension and piston in TDC
position.
The dimension „X" should be adjusted extremely carefully by inserting
cylinder base gaskets of suitable thicknesses.
!
I
„X"
F THE DIMENSION
IS TOO LARGE
AND THE ENGINE LOOSES POWER
,
TOO SMALL
THE ENGINE WILL PING AND OVERHEAT
– Move the piston to TDC and apply the adjusting plate
470.29.006.000 (see illustration). Use a feeler gauge to measure the
gap between the upper edge of the piston or cylinder and the master
gauge. If correctly adjusted, the master gauge will fit flush against the
upper edge of the piston and cylinder.
Correct by adding or removing cylinder base gaskets.
!
T
HE PISTON MUST NOT PROTRUDE BEYOND THE CYLINDER
– Mount the 2 remaining collar nuts at the cylinder base, and tighten
each of the 4 collar nuts to 30 Nm.
CAUTION
,
THE COMPRESSION RATIO WILL BE REDUCED
. O
,
N THE OTHER HAND
IF THE DIMENSION
.
CAUTION
'
S UPPER EDGE
6-8
!
„X"
IS
!
.
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Troubleshooting
