Husqvarna FS 450 2015, Руководство по ремонту

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17 ENGINE
17.4.21 Checking camshaft
-
Check the camshaft for damage and wear.
If there is damage or wear:
-
Change the camshaft.
156
-
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
Intake 33.10 ... 33.30 mm (1.3031 ... 1.311 in)
33.90 ... 34.10 mm (1.3346 ...
1.3425 in)
If the measured value does not meet specifications:
-
Change the camshaft.
17.4.22 Checking the timing assembly
•-- �
-
Clean all parts well.
f--8
304677-10
-
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 @} for damage and wear.
If there is damage or wear:
-
Replace the timing chain tensioning rail.
-
Check the timing chain guide rail
fD
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.
If there is damage or wear:
-
Replace the timing chain securing guide.
-
Check timing chain
0
for damage and wear.
If there is damage or wear:
-
Replace the timing chain.
-
Check the timing chain links for smooth operation. Let the timing chain hang down freely.
» The chain links no longer align in a straight line: