U n d er g r o u n d C o n v e y o r S y s t e m s P r o d u c t O v er v i e w J o y G l ob al 9 P a r t n u m b e r f o r 4 a n d 5 d i a m e t e r r o l l s a r e 9 g a u g e s h e l l t h i c k n e s s A d d 7 t o t h e p a r t n u m b e r f o r 7 g a u g e A d d 4 t o t h e p a r t n u m b e r f o r 1 4 w a l l E x a m p l e 6 9 A H C 4 4 1 3 6 7 f o r 7 g a u g e P a r t n u m b e r s f o r 6 d i a m e t e r r o l l s a r e 8 g a u g e s h e l l t h i c k n e s s A d d 4 t o t h e p a r t n u m b e r f o r 1 4 w a l l s h e l l t h i c k n e s s H C a n d H D S e r i e s I d l e r s H C S e r i e s 3 5 L R C 4 D i a m e t e r R o ll s S i n g l e C r o s s m e m b e r BW P art Number A B C D 36 69AHC44136 47 35 14 10 7 16 42 69AHC44142 53 42 16 10 11 16 48 69AHC44148 59 47 18 12 H C S e r i e s 3 5 L R C 5 D i a m e t e r R o ll s S i n g l e C r o s s m e m b e r BW P art Number A B C D 36 69AHC54136 47 35 3 16 14 10 42 69AHC54142 53 42 3 16 16 11 48 69AHC54148 59 46 11 16 18 12 11 16 H C S e r i e s 3 5 O R C 5 D i a m e t e r R o ll s B o x F r a m e BW P art Number A B C D 36 69AHC53836 47 35 5 16 14 11 3 16 42 69AHC53842 53 42 11 32 16 11 48 69AHC53848 59 47 5 16 18 12 13 16 H C S e r i e s 3 5 O R C 6 D i a m e t e r R o ll s B o x F r a m e BW P art Number A B C D 36 69AHC63836 47 34 11 16 14 11 9 16 42 69AHC63842 53 41 25 32 16 11 48 69AHC63848 59 46 18 13 7 32 H D S e r i e s 3 5 O R C 5 D i a m e t e r R o ll s B o x F r a m e BW P art Number A B C D 42 75AHD53842 53 42 16 11 7 16 48 75AHD53848 59 46 31 32 18 12 54 75AHD53854 65 52 20 13 60 75AHD53860 71 57 15 32 22 15 1 16 H D S e r i e s 3 5 O R C 6 D i a m e t e r R o ll s B o x F r a m e BW P art Number A B C D 42 75AHD63842 53 16 11 48 75AHD63848 59 46 18 13 3 16 54 75AHD63854 65 51 11 32 20 14 5 16 60 75AHD63860 71 56 22 15 A B D C C A B D C C A B D C C A B D C C A B D C C A B D C C