D04976-10
302808-10
17.4.33 Checking the rocker arm shafts
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D04973-10
17.4.34 Installing the valves
D04974-10
ENGINE 17
Using a straightedge and the special tool, check the sealing
area of the cylinder for distortion.
I
Feeler gauge (59029041100) (
8
p. 311)
Cylinder/cylinder head -
sealing area distortion
:;; 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
Intake sealing seat width 2.00 mm (0.0787 in)
Valve
Exhaust sealing seat
width
12.00 mm (0.0787 in)
If the measured value does not meet specifications:
Rework the valve seat.
Blow compressed air through all oil channels and check that
they are clear.
Check the rocker arm shafts for damage and wear.
If there is damage or wear:
- Change the rocker arm shafts.
Position valve spring seats
Q.
Mount the new valve stem
seals
8.
Mount the valves according to their normal built-in position.
Mount the springs and spring retainers (D.
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Содержание FC 450 2018
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Страница 159: ...BRAKE SYSTEM 16 Check the foot brake lever for a firm pressure point 157 ...
Страница 297: ...SERVICE SCHEDULE 28 295 ...