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INSPECTION AND ADJUSTMENT OF VALVE CLEARENCE:
Valve clearance adjustment should be performed when the engine is cold. The engine was warm while
performing the maintenance activities as the engine was started before starting the maintenance activities.
The engine will become cooler by the time lubricating oil and filter replacements were completed.
Inspect and adjust the valve clearance when the engine is cold by using the following procedure.
1 Remove the inspection cover on the flywheel housing.
You will observe a pointer is fitted on the flywheel
housing and also access to the flywheel periphery.
2 Remove the Rocker cover.
3 Crank the engine with cranking handle (Standard tool) in
the direction of engine rotation (Anti clockwise when
viewed from Flywheel End).
4 Align the TDC Mark with the pointer.
5 Check the cylinder no 1 valves for freeness (The Push rod
of No 1 Cylinder not pushing the intake and exhaust valves). This confirms that Cylinder No 1
piston is at TDC position of the compression stroke.
6 Perform valve clearance adjustment as per the table given below. The nominal value is 0.4 mm.
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