18
ENGINE
168
300117-10
–
Mark the valves according to their normal built-in position.
Info
Place the valves into a box according to the installation position and label
the box.
18.4.22 Checking the valves
200193-10
–
Check the valve plate for run-out.
Valve - run-out
At the valve plate
≤
0.05 mm (
≤
0.002 in)
» If the measured value does not meet specifications:
–
Change the valve.
302809-10
–
Check sealing seat
on the valve.
Valve - sealing seat width
Intake
1.40 mm (0.0551 in)
Valve - sealing seat width
Exhaust
1.40 mm (0.0551 in)
» If the sealing seat is not centered on the valve seat or deviates from the specifi-
cation:
–
Rework the valve seat.
18.4.23 Checking the valve springs
305015-10
–
Check the valve springs for breakage and wear (visual check).
» If the valve spring is broken or worn:
–
Change the valve spring.
–
Measure the length of the valve springs.
Valve spring
Minimum length
42.00 mm (1.6535 in)
» If the measured value does not meet specifications:
–
Change the valve springs.
18.4.24 Checking the valve spring seat
305014-10
–
Check the valve spring seat for breakage and wear (visual check).
» If the valve spring seat is broken or worn:
–
Change the valve spring seat.
–
Measure the thickness of the valve spring seat.
Valve spring seat - thickness
0.90… 1.10 mm (0.0354…
0.0433 in)
» If the measured value does not meet specifications:
–
Change the valve spring seat.
Summary of Contents for 350 EXC-F SIX DAYS EU
Page 2: ......
Page 235: ...233 ...