ROC MBLE K 



ffl FOR I ON DE. FJt 



i . Take up all lost motion in the cross head, connect- 

 ing rod. crank pin, and main bearings. 



rn the engine a little above or a little below cen- 



will be a \, in the figure. 



Make a punch mark mi the engine frame 

 enient point as at B, then with a tram, like the one 

 M the figure, one end of \ hcM at B, mark 



the rim of the fly wheel, crank or :. 



punch mnrk on the cross head 

 another at some convenient place on the guides, ;. 

 and F. anl M-I a pair of dividers with the points in these 



\c.\t turn the engine past center until the cross 

 to the same position as before, and the points 



e two marks D 



The crank is now on the other side of center 

 was past center in the opposite 

 direction. 



6. With the end of the tram in position B. make 

 another mark F, on the rim of t! heel. Now 



