560SEC (126.045) V8-5.6L (117.968) (1989)
5
Pilot
18
Dial gauge
19
Test sleeve
20
Dial gauge holder
3
Check runout of valve seat
For this purpose, slide test sleeve (19) with dial gauge holder (20) and dial gauge onto the pilot (5).
4
Measure valve seat "b" and correct at top with 15 ° and at bottom with 60 ° if required.
When machining with the Hunger turning tool, use the 60 ° correction steel No. 13 fir the lower valve seat correction.
5
Observe valve springs and valve spring preload. See: Valve Spring/Testing and Inspection