Valve gear – assembly overview and fastening

• 1 Inlet valve
  • Do not rework. Only lapping in is permitted.
  • Valve dimensions ⇒ 4.3 Valve dimensions
  • Checking valve guides ⇒ 4.1 Checking valve guides
• 2 Outlet valve
  • Do not rework. Only lapping in is permitted.
  • Valve dimensions ⇒ 4.3 Valve dimensions
  • Checking valve guides ⇒ 4.1 Checking valve guides
• 3 Cylinder head
• 4 Valve stem seal
  • Renewing ⇒ 3.7 Removing and installing valve stem seals
• 5 Valve springs
  • Fitting position ⇒ 3.1 Assembly overview - valve gear
• 6 Valve spring plate
• 7 Valve cotters
• 8 Roller rocker fingers
  • Removing and installing ⇒ 1.4 Removing and installing camshaft housing
  • Mark installation position for re-installation.
  • Check roller bearing for ease of movement.
  • Lubricate contact surfaces before installing.
• 9 Retaining clip
  • For hydraulic compensation element.
• 10 Hydraulic compensation element
  • Do not interchange
  • Oil contact surface

Installation position of valve spring

• The end with smaller diameter -a- must face towards valve spring plate.
• The end with larger diameter -b- must face towards cylinder head.