30 



AIR COMPRESSORS 



PC. No. Ref. No. Name of Part 



{19 Large main-valve piston includes . wo of 20. 



20 Large main-valve piston ring. 



21 Small main- valve piston, includes two of 22. 



22 Small main- valve piston ring. 



1.696 23 Main-valve stem. 

 2,052 24 Main-valve-stem nut. 

 1,707 25 Main slide valve. 



1,599 26 Right main-valve cylinder head. 



5,169 27 Left main-valve cylinder head. 



1,716 28 Right main-valve head gasket. 



1,715 29 Left main-valve head gasket. 



29,177 30 Air valve. 



8,269 31 Air-valve seat. 



1.697 32 Air-valve cap. 

 ,708 33 Air-valve cage. 

 ,882 34 Air-discharge stud. 

 ,883 35 Air-discharge union nut. 

 ,884 36 Air-discharge union swivel. 

 ,885 37 1-in. steam-pipe stud. 

 ,886 38 Governor-union nut. 



*1,950 39 1-in. steam-pipe sleeve. 



1.702 40 Stuffingbox. 

 1,704 41 Stuffingbox nut. 



1.703 42 Stuffingbox gland. 



4,862 43 Piston-rod packing (Vulcabeston) set (suf- 

 ficient for two stuffingboxes) . 



1.711 44 Upper steam-cylinder gasket. 



3.661 45 Short T-head bolt, f in.X2| in., and 



hexagon nut. 



3.662 46 Long T-head bolt, f in.X3} in., and 



hexagon nut. 



1,759 48 Main- valve-head capscrew, f in.Xli in. 



1.712 50 Lower steam-cylinder gasket. 



1.713 51 Upper air-cylinder gasket. 



1.714 52 Lower air-cylinder gasket. 

 12,659 53 Air strainer. 



1,919 54 Cylinder-head plug. 



1,916 55 Oil cock. 



17,582 56 Piston-rod swab. 



1,887 57 Drain cock. 



9,584 58 Steam-cylinder lagging set. 



9.582 59 Steam-cylinder jacket. 



9.583 60 Steam-cylinder-jacket band. 

 1,898 61 Jacket-band screw, & in. X& in. 



15,496 62 Packing-nut wrench. 



3,661 66 T-head bolt, and nut, f in. X2f in. 



1,589 79 Piston-rod cotter. 



1,591 81 Piston-rod jam nut. 



31.405 82 Reversing-valve-rod bush. 



*Furnished only when specially ordered, when governor 

 not to be attached directly to compressor. 



