Checking Camshaft; Checking The Timing Assembly - Husqvarna FE 450 2016 Repair Manual

18 ENGINE
18.4.22
18.4.23
-
Clean all parts well.
-
Check the timing chain gear/timing chain sprocket
-
Check the timing chain tensioning rail
-
Check the timing chain guide rail
212

Checking camshaft

Checking the timing assembly

0
�
•--�
If there is damage or wear:
-
Change the camshaft/timing chain sprocket.
If there is damage or wear:
-
Replace the timing chain tensioning rail.
-
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
Camshaft - cam height (FE 450 EU/AU, FE 450 US)
Intake
Camshaft - cam height (FE 501 EU,
FE 501 SUS)
Intake
If the measured value does not meet specifications:
-
Change the camshaft.
•
---
-v
;- -
8
O
for damage and wear.
8
for damage and wear.
8
for damage and wear.
33.10 ... 33.30 mm (1.3031
1
... 1.311 in)
34 ... 34.20 mm (1 .34 ...
1
1.3465 in)
501 AU, 501 US,
FE FE
34.40 ... 34.60 mm (1.3543
1
... 1.3622 in)
304677-10