Checking The Camshafts; Checking The Pivot Points Of The Camshafts - Husqvarna FC 250 2015 Repair Manual

17 ENGINE
17.4.18

Checking the camshafts

Checking the pivot points of the camshafts

17 .4.19
cylinder wear lies within the specified tolerance:
If
-
Replace the piston ring.
-
Mount the piston ring with the marking facing toward the piston head.
-
Check the camshaft for damage and wear.
there is damage or wear:
If
-
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.
there is damage or wear:
If
-
Change the exhaust camshaft.
306755-10
-
Check the pivot points of the camshafts.
there is damage or wear:
If
-
Change the cylinder head with the camshaft bearing bridge.
306759-10
-
Position the camshafts.
✓ The valves are not activated.
-
Insert the
Plastigauge
I
Plastigauge
-
Position camshaft bearing bridge
Guideline
Screw, camshaft bearing
bridge
• Info
I
Ensure that the dowel pins are seated properly.
Do not turn the camshaft.
306761-10
-
Remove camshaft bearing bridge
gauge with the specifications on the packaging.
Guideline
Camshaft bearing - sleeve bearing
Radial clearance
Wear limit
• Info
I
The width of the
play.
clearance gauge in area
clearance gauge (60029012000)
O.
Mount and tighten the screws.
M7x1
O
again. Compare the
0.020 ... 0.054 mm (0.00079 ...
0.00213 in)
0.065 mm (0.00256 in)
clearance gauge is a measure of the bearing
Plastigauge
G.
(il!:!l p. 226)
14 Nm Lubricated with
(10.3 lbf ft) engine oil
Plastigauge clearance
150