
8.5.2 Valve protrusion – Measurement
Preconditions
☑
Engine is stopped and starting disabled.
Special tools, Material, Spare parts
Designation / Use
Part No.
Qty.
Depth gauge, 200 mm
Y20000918
1
Preparatory steps
1.
Remove cylinder head cover upper section (→ Page 172).
2.
3.
Install barring tool (→ Page 154).
4.
Turn crankshaft in direction of rotation using
barring gear until TDC mark (1) and point-
er (2) are aligned.
Measuring valve protrusion
1.
Check TDC position of piston in cylinder A1:
• If rocker arms on cylinder A1 are unloaded, the piston is in firing TDC.
• If rocker arms on cylinder A1 are loaded, the piston is in overlap TDC.
2.
Measure valve protrusion for each valve in two crankshaft positions (firing TDC and overlap TDC for cylinder
A1) according to the diagram. Diagram (→ Page 168).
166 | Valve Drive | MS15041/03E 2018-08
TIM-ID: 0000055030 - 003
Summary of Contents for 12V4000C*5 series
Page 1: ...Operating Instructions Diesel engine 12V4000Cx5 16V4000Cx5 MS15041 03E...
Page 3: ......
Page 4: ......
Page 46: ...1 B13 Crankskaft speed 44 General Information MS15041 03E 2018 08 TIM ID 0000063565 001...
Page 196: ...1 Bypass flap 194 Exhaust Gas Recirculation MS15041 03E 2018 08 TIM ID 0000063475 002...
Page 264: ...262 Manufacturer s Documentation MS15041 03E 2018 08...
Page 266: ...264 Manufacturer s Documentation MS15041 03E 2018 08 TIM ID 0000098598 001...
Page 267: ...MS15041 03E 2018 08 Manufacturer s Documentation 265 TIM ID 0000098598 001...
Page 268: ...266 Manufacturer s Documentation MS15041 03E 2018 08 TIM ID 0000098598 001...
Page 269: ...MS15041 03E 2018 08 Manufacturer s Documentation 267 TIM ID 0000098598 001...
Page 270: ...268 Manufacturer s Documentation MS15041 03E 2018 08 TIM ID 0000098598 001...
Page 271: ...MS15041 03E 2018 08 Manufacturer s Documentation 269 TIM ID 0000098598 001...
Page 272: ...270 Manufacturer s Documentation MS15041 03E 2018 08 TIM ID 0000098598 001...
Page 273: ...MS15041 03E 2018 08 Manufacturer s Documentation 271 TIM ID 0000098598 001...
Page 274: ...272 Manufacturer s Documentation MS15041 03E 2018 08 TIM ID 0000098598 001...
Page 275: ...MS15041 03E 2018 08 Manufacturer s Documentation 273 TIM ID 0000098598 001...
Page 276: ...274 Manufacturer s Documentation MS15041 03E 2018 08 TIM ID 0000098598 001...
Page 288: ...286 Manufacturer s Documentation MS15041 03E 2018 08 TIM ID 0000083486 002...