Husqvarna F2303Q0, Руководство по ремонту

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17 ENGINE
17.4.24 Checking camshaft
-
Check the camshaft for damage and wear.
If there is damage or wear:
-
Change the camshaft.
-
If the camshaft surface is damaged, check the oil
supply of the camshaft and the rocker arm.
-
Measure the cams of the camshaft.
Camshaft - cam height
Exhaust 33.10 ... 33.30 mm (1.3031
... 1.311 in)
Intake 33.90 ... 34.10 mm (1.3346
... 1.3425 in)
If the measured value does not meet specifications:
-
Change the camshaft.
17.4.25 Checking the timing assembly
0 --
- •
� -v
•-- �
- -e
-
Clean all parts well.
-
Check the timing chain gear/timing chain sprocket
O
for damage and wear.
If there is damage or wear:
-
Change the camshaft/timing chain sprocket.
-
Check the timing chain tensioning rail
8
for damage and wear.
If there is damage or wear:
-
Replace the timing chain tensioning rail.
-
Check the timing chain guide rail
(D
for damage and wear.
If there is damage or wear:
-
Replace the timing chain guide rail.
-
Check the timing chain securing guide
C,
for damage and wear.
204
If there is damage or wear:
-
Replace the timing chain securing guide.
310042-10
...