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18 ENGINE
18.4.17
18.4.18
18.4.19
190
Checking the piston ring end gap
306113-10
Checking the camshafts
306755-10
Work on the intake camshaft
306756-10
-
Remove the piston ring from the piston.
-
Place the piston ring in the cylinder and align with the piston.
Guideline
Below the upper edge of the
cylinder
f)
-
Measure end gap
with a feeler gauge.
Guideline
Piston ring - end gap
Compression ring
Oil scraper ring
If the end gap is greater than the specified measurement:
-
Check/measure the cylinder.
If cylinder wear lies within the specified tolerance:
-
Replace the piston ring.
-
Mount the piston ring with the marking facing toward the pis-
ton head.
-
Check the camshaft for damage and wear.
If there is damage or wear:
-
Change the camshaft.
-
If the surface of the cams is damaged, check the oil
supply to the camshaft and cam lever.
-
Check the autodecompressor Otar damage and wear.
If there is damage or wear:
-
Change the exhaust camshaft.
O.
-
Remove lock ring
-
Take off bleeder plate@}.
8.
-
Remove 0-ring
-
Check the parts of the bleeder and replace if necessary.
-
Mount the new 0-ring.
8.
-
Position bleeder plate
O.
-
Mount lock ring
20 mm (0.79 in)
I :5 0.40 mm (:5 0.0157 in)
I :5 0. 70 mm (:5 0.0276 in)
(il!l
p. 188)
..
..
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