IOO 



not get it to fit right and when screwing the cover on bend the 

 spindle against the cog wheel. 



But there is no end to the ways in which the operators get 

 into trouble; most of them can be avoided by following direc- 

 tions of the manufacturers strictly, and not touching screws one 

 has no business with. When in trouble write directly to the man- 

 ufacturers describing carefully all the symptoms. 



Don't be tempted to buy a cheap oil "just as good," buy the 

 very best you can get 



