![Husqvarna FE 250 AU 2014 Скачать руководство пользователя страница 163](http://html.mh-extra.com/html/husqvarna/fe-250-au-2014/fe-250-au-2014_repair-manual_172665163.webp)
18 ENGINE
18.4.25 Checking the cam levers
302718-10
18.4.26 Checking the cylinder head
306769-10
302808-10
18.4.27 Installing the valves
-
Check the cam levers and cam lever shafts for damage and wear.
If there is damage or wear:
-
Change the cam levers and/or cam lever shafts.
-
Check valve guides
O
using the special tool.
I
Limit plug gauge (77229026000) (
I!!;!
p. 272)
If the special tool is easy to insert in the valve guide:
-
Change the valve guide and valve.
161
-
Check the sealing area of the spark plug thread and the valve seats from damage
and cracking.
If there is damage or cracking:
-
Change the cylinder head.
-
Using a straightedge and the special tool, check the sealing area of the cylinder
for distortion.
I
Feeler gauge (590290411 00) (
�
p. 269)
Cylinder/cylinder head - distortion of
sealing area
:,; 0.10 mm (:,; 0.0039 in)
If the measured value does not meet specifications:
-
Change the cylinder head.
-
Check sealing seat
6)
of the valves.
Valve - sealing seat width
Intake
Valve - sealing seat width
Exhaust
1.40 mm (0.0551 in)
1 .40 mm (0.0551 in)
If the measured value does not meet specifications:
-
Rework the valve seat.
-
Blow compressed air through all oil holes and check that they are clear.
-
Position valve spring seat
O.
Mount valve stem seal
8.
-
Mount the valve corresponding to its installation position.
-
Mount the valve spring with the tighter coil facing downward according to the
built-in position.
•
Info
I
Intake valves are marked with a green color coding.
Exhaust valves are marked with a brown color coding.
-
Mount the valve spring retainers.
Содержание FE 250 AU 2014
Страница 2: ......
Страница 87: ...12 FUEL TANK SEAT TRIM Remove the special tools Join the fuel hose connection 85 ...