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8.5 Valve Drive
8.5.1 Valve protrusion – Measurement
Preconditions
☑
Engine is stopped and starting disabled.
Special tools, Material, Spare parts
Designation / Use
Part No.
Qty.
Measuring jig 1
Y4350009
1
Depth gage, 200 mm
Y20000918
1
Measuring jig 2, optional
Y4350010
1
Preparatory steps
1.
Remove cylinder head covers (→ Page 145).
2.
Install barring tool (→ Page 129).
3.
Turn crankshaft in direction of rotation using
barring tool until TDC mark (1) and pointer (2)
are aligned.
Calibrating measuring jigs 1 and
2
1.
Place measuring unit (2) on calibration
plate (3).
136 | Valve Drive | MS150123/01E 2017-05
TIM-ID: 0000045593 - 010