AIR COMPRESSORS 



27 



air- valve-cage wrench, Piece No. 1,937, and cap screw wrench, 

 Piece No. 1,938, are included with the complete compressor, 

 without extra charge. 



11-IN. AIR COMPRESSOR 



The pump shown in Fig. 3 is a 11" X 11"X12" compressor. 

 It is of the same construction as the 8-in. and 9j-in. pumps and 

 operates in the same manner. The compressor weighs 850 Ib. 

 All air valves have a lift of ^f-in. 



When ordering this compressor or ordinary parts of one, 

 the piece number, reference number, and name of the part 

 wanted should always be given. The piece number of the 

 11-in. air compressor complete is 3,679; the number of the 

 various parts are given in the accompanying list. 



PC. No. Ref. No. Name of Part 



3.648 2 Top head, complete, includes one each of 



14, 15, 16. 17, 18, 25, 26, 27, 28, 29, 82, 

 ten of 48. 



3.649 3 Steam cylinder, complete, includes one 



each of 101, 102, 57, 58, 59, 103, 37, 38, 

 two of 60, four of 61, H-in. pipe plug, 

 and 2-in. pipe plug. 



3.650 4 Center piece, complete, includes one of 



55, two each of 40, 41, 42, and 57. 

 3,653 5 Air cylinder, complete, includes one each 



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



four of 30. 

 5,170 6 Lower head, includes 112. 



{7 Steam piston and rod, includes one each 

 of 10, 11, 79, 81. two of 9, and three of 

 12. 

 8 Air piston, includes two of 80. 

 9 or 80 Piston ring. 

 1,590 10 Piston-rod nut. 

 1,688 11 Reversing- valve plate. 

 12,065 12 Reversing-valve plate bolt. 



1.709 13 Reversing-valve rod. 

 1,706 14 Reversing valve. 



31,404 15 Reversing-valve-chamber bush. 



1.710 16 Reversing-valve-chamber cap. 

 31,402 17 Main-valve bush. 



{18 Main-valve pistons and stem, complete, 

 includes one each of 19, 21, 23, and four 

 of 24. 



*Piece No. 3,654 covers steam piston with standard steel rod,. 

 If steam piston with chrome vanadium steel rod is desired, 

 order should so specify and Piece No. 24,585 will be furnished. 



