939010422 - 1016E14 VALVE GUIDES IN SINGLE CYLINDER HEAD - REPLACE DURING OP. 1016E10

Removing ( Refitting ) - Remove the cylinder head from the vice.1. Remove the valve guides (1a) using the tool (1b).
ToolDescriptionFunctionValidity
1871008500Extractor/fitting toolExtracting/fitting valve guides1.8
Refitting ( Removing ) - Check that the inner diameter of the valve guide, the diameter of the valve stem and the clearances are within the recommended values.
MeasurementValueValidity
Valve guide inner diameter (mm)5.000 ÷ 5.0161.8
MeasurementValueValidity
Valve guide inner diameter oversize (mm)0.075 ÷ 0.1501.8
MeasurementValueValidity
Inlet valve stem diameter (mm)4.955 ÷ 4.9701.8
MeasurementValueValidity
Exhaust valve stem diameter (mm)4.935 ÷ 4.9501.8
MeasurementValueValidity
Valve stem diameter oversizes (mm)0.075/0.1501.8
MeasurementValueValidity
Inlet valve stem clearance (mm)0.030 ÷ 0.0611.8
MeasurementValueValidity
Exhaust valve stem clearance0.050 ÷ 0.0811.8
- Before fitting the valve guides the cylinder head must be heated to a temperature of around 80° -100 °C.1. Use tools (1a) and (1b) to fit the valve guides.
ToolDescriptionFunctionValidity
1871008500Extractor/fitting toolExtracting/fitting valve guides1.8
ToolDescriptionFunctionValidity
2000003600Fitting toolValve guide fitting1.8