Procedure:
– While turning the honing tool in the
cylinder, it must also be axially moved
back and forth. Recommended speed of
rotation approx. 350 rpm.
– Depending on the speed, the tool
should perform about 20 - 30 strokes a
minute. This stroke rate will produce a
cross-cut pattern at approximately 45°.
– Continue honing only until this crosscut
pattern can be clearly seen. It is nor-
mally obtained after a honing time of
approx. 20 - 45 seconds per cylinder.
– After honing, clean the cylinder with
warm or hot water and a cold cleanser,
using a brush, then oil the cylinder wall.
Attention !
Do not hone for too long period, and do
not dry-hone.
Use honing oil or a mixture of oil and fuel
(1:1).
If possible, keep below the speed stated
above. Wear protective goggles!
Assembling:
To install the piston, follow the dismantling
instructions in the reverse order.
Note:
The recess in the piston crown must be
located towards the injection pump;
see Fig. 66.
– The piston ring gaps must be offset by
120° in each case; oil the piston rings in
their grooves.
– Attach clamping tool - 17 - and carefully
install the cylinder; see Fig. 67.
3
L / M . . 09.96
66
67
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