174 



TRIPLE VALVES 



PC. No. Ref. No. Name of Part 



28,888 2 Body, complete, includes |-in. pipe plug. 



28,959 3 Slide valve; 



12,864 4 Main piston, includes 5. 



10,032 5 Main-piston ring. 



6,520 6 Slide-valve spring. 



28,956 7 Graduating valve. 



1,733 8 Emergency piston. 



1,740 9 Emergency-valve seat. 



