TAPPET CLEARANCE
this is the clearance available between the rocker arm tip and valve stem when the valves are closed position when engine at cooled condition,ie.at the compression stroke
WHY TAPPET CLEARANCE
tappet clearances are necessary to allow for thermal expansion of the valve spindle length at working temperature
ADJUSTING THE CLEARANCE
Bring the piston to TDC of compression stroke, this will ensure by the flywheel marking or fuel pump mark or by checking the camshaft fuel or valve cam position on this position fuel cam lobe will be touch the fuel
LESS CLEARANCE will cause the valve to open early and close late with increased maximum lift it may prevent the valve from closing completely as it expands this may cause valve burning and low compression
this is the clearance available between the rocker arm tip and valve stem when the valves are closed position when engine at cooled condition,ie.at the compression stroke
WHY TAPPET CLEARANCE
tappet clearances are necessary to allow for thermal expansion of the valve spindle length at working temperature
ADJUSTING THE CLEARANCE
Bring the piston to TDC of compression stroke, this will ensure by the flywheel marking or fuel pump mark or by checking the camshaft fuel or valve cam position on this position fuel cam lobe will be touch the fuel
pump
or valve cams will be on base position(off cam) that means both valves
are closed position,at this time push rod will be free this can be check by rotating push rod. and take the clearance between stem and rocker arm
tip by using a feeler gauge and adjusted by loosening or tightening the
tappet adjusting screw
EXCESSIVE TAPPET CLEARANCE will cause the valve to open late and close early in the cycle and will reduce maximum lift it will also noise and get damage from the impact of working surface
EXCESSIVE TAPPET CLEARANCE will cause the valve to open late and close early in the cycle and will reduce maximum lift it will also noise and get damage from the impact of working surface
LESS CLEARANCE will cause the valve to open early and close late with increased maximum lift it may prevent the valve from closing completely as it expands this may cause valve burning and low compression
This Article of yours really helps. But for you, what kind of inverter do you prefer to use?
ReplyDeleteI think having a Stand-alone Inverter will do. Thanks for the info.
Its very good n simple mean n use for tappet clearance
ReplyDeleteIt should be adjusted as per firing order given by the engine manufacturers specifications.
ReplyDelete