41 53 ALL exc P G 54 PASS COMM 1 TON exc P G D D ROTATOR ASSY exh valve 3836096T 6 1 25 54 D D 2 TON 54 1 TON hvy duty 235 ROTATOR ASSY exhaust valve 3836090 6 1 25 tNOTE For use w 45 valves only for preventing excessive heat generation on heavy duty truck or other operations where this condition may be encountered 0 310 KEY Valve Stem 29 34 ALL exc DA DB P rectang plain steel 836120 12 02 34 54 ALL U shape 838029 24 04 NOTE Used on 1934 35 jobs only w valves 609379 609380 w annular grooves 0 311 SEAT Valve Spring also see gzaup 0 287 34 35 ALL exc DC inlet not used w straight side guide height overall 837539 6 14 34 49 ALL exc DC 50 53 ALL w 216 inlet and exh 1934 35 exh on1y use 54 ALL w 235 exc P G w straightside guides heightovera11 838539 12 04 0 333 ARM Valve Rocker with Adjusting Screw and Nut 29 31 ALL w bshg forged 835549 835676 12 98 32 33 ALL w bshg forged 837417 rounded end adj screw 600873 12 98 34 36 ALL exc DC inlet L w bshg forged 837379 837325 3 98 34 36 ALL exc DC inlet R w bshg forge 837380 837326 3 98 34 40 ALL exc DC exhaust w bshg forge 839001 838999 6 98 37 40 ALL inlet L w bshg forge 838997 838993 3 98 37 40 ALL inlet R w bshg forge 838998 838994 3 98 41 49 ALL 50 53 ALL w 216 exhaust L cast 839461 839459 3 98 41 49 ALL 50 53 ALL w 216 exhaust R cast 839462 839460 3 98 41 49 ALL 50 53 ALL w 216 Inlet L cast 839465 839463 3 98 41 49 ALL 50 53 ALL w 216 inlet R cast 839466 839464 3 98 50 53 ALL w 235 54 ALL exc P G 261 exhaust L cast 3835549 3835547 3 98 50 53 ALL w 235 54 ALL exc P G 261 exhaust R cast 3835550 3835548 3 98 50 53 ALL w 235 54 ALL exc P G 261 inlet L cast 3835553 3835551 3 98 50 53 ALL w 235 54 ALL exc P G 261 inlet R cast 3835554 3835552 3 98 54 PASS w P G 261 left exhaust cast 3836037 3836035 3 98 54 PASS w P G 261 right exhaust cast 3836038 3836036 3 98 54 PASS w P G 261 left inlet cast 041 3836039 3 98 54 PASS w RG 261 right inlet cast 042 3836040 3 98 0 334 BUSHING Valve Rocker Arm 29 31 ALL bronze I D x 2 O D x 1 length 835668 12 16 NOTE Rocker arm bushings not serviced after 1931 0 349 SUPPORT Valve Rocker Arm Shaft 34 36 ALL exc DC cast 837251 837251 6 72 37 49 ALL 50 53 ALL w 216 cast 838246 838246 6 42 50 53 ALL w 235 cast 3835520 3835520 6 42 54 ALL cast 3836114 38361 14 6 42 0 352 SHAFT UNIT Valve Rocker 37 39 ALL w arms 609925 1 20 07 41 49 ALL 50 53 ALL w 216 w arms 609924 1 20 30 U 309 0 352 104