PC. No. 

 23,617 



23,616 

 11,312 

 20,503 



12,417 

 20,632 

 24,837 



6 



24,842 8 



AIR COMPRESSORS 



Ref. No. Name of Part 



Top head, complete, includes one each 2, 

 22, 24, 25, 33, 35, 61, 62, four each of 34 

 and 36. 



2 Top head, bushed, includes 23, 87, 106, 



107. 



3 Steam cylinders, complete, includes one 



each 63, 77, 78, two of 79, six of 91. 



4 Center piece, complete, includes one 65, 



two each 37, 39, 43, 44, 46, 47, 64, 76, 

 four each 53, 54, 55. 



5 Air cylinders, complete, includes one each 



41, 42, 49, 50, 89. 



Lower head, complete, includes one 65, 

 two each 38, 40, 45, 48, 67. 



High-pressure steam piston and rod, com- 

 plete (Vanadium steel), includes one 

 each 15, 16, 17, 18, two of 11, three 

 of 19. 



Low-pressure steam piston and rod, com- 

 plete (Vanadium steel), includes one 

 each 15, 16, 17, two of 12. 



Low-pressure air piston, includes two of 

 13. 



High-pressure air piston, includes two of 

 14; 



High-pressure steam-piston ring. 



Low-pressure steam-piston ring. 



Low-pressure air-piston ring. 



High-pressure air-piston ring. 



Piston-rod nut. 



Piston-rod jam nut. 



Piston-rod cotter. 



Reversing-valve plate. 



Reversing-valve-plate bolt. 



Reversing-valve rod. 



Reversing valve. 



Reversing-valve-chamber bush. 



Reversing-valve-chamber cap. 



Piston valve, complete, includes one of 

 30, 117, 118, 119, 120, two each 27, 29, 

 six of 28. 



Large piston-valve ring. 



Exhaust-piston-valve ring. 



Small piston-valve ring. 



Piston- valve bolt, complete, includes two 

 of 31. 



Piston-valve-bolt nut. 



Large piston- valve cylinder head. 



Large piston-valve cylinder -head cap- 

 screw, | in. X 1 $ in. 

 35 Small piston-valve cylinder head. 



