PC. No. 

 1,901 



5,165 

 *1,923 



8 



AIR COMPRESSORS 25 



Ref. No. Name of Part 



5 Air cylinder, complete, includes one each 



of 34, 35, 36, 53, two each of 31, 32, 33, 

 four of 30. 



6 Lower head, includes 54. 



7 Steam piston and rod, includes two each 



of 9, 10, 70, and one of 11. 

 Air pistpn, includes two of 80. 

 or 80 Piston ring. 

 Piston-rod nut. 

 Reversing valve plate. 

 Reversing-valve-plate bolt. 

 Reversing-valve rod. 

 Reversing valve. 

 Reversing-valve-chamber bush. 

 Reversing-valve-chamber cap. 

 Main- valve bush. 

 Main- valve pistons and stem, complete, 



includes 19, 21, 23, and four of 24. 

 Large main-valve piston, includes two of 



20. 



Large main- valve-piston ring. 

 Small main-valve piston, includes two of 



22. 



Small main-valve piston ring. 

 Main -valve stem. 

 Main-valve-stem nut. 

 Main slide valve. 

 Right main-valve cylinder head. 

 Left main-valve cylinder head. 

 Right main-valve head gasket. 

 Left main- valve head gasket. 

 Air valve. 

 Air- valve seat. 

 Air- valve cap. 

 Air-valve cage. 

 11-in. union stud. 

 li-in. union nut. 

 li-in. union swivel. 

 1-in. steam-pipe stud. 

 Governor-union nut. 

 1-in. steam-pipe sleeve. 

 Stuffingbox. 

 Stuffingbox nut. 

 Stuffingbox gland. 



*Furnished only when specially ordered, when governor is 

 not to be attached directly to compressor. 



tPiece No. 1,923 covers steam piston with standard steel 

 rod. If steam piston with chrome vanadium steel rod is 

 desired, orders should so specify and Piece No. 24,584, will be 

 furnished for this item. 



