BRAKES 50 60 85 5 000 BRAKE SERV CE 4 0003 NOTE Optional Brake Assembly implies that the Optional Brake Assembly when used in Matching Sets can be used in place of the Standard Production Brake Assembly This may be done during the Production Operation while the Vehicle is being built Details of Brake Assemblies are not Interchangeable between Venders Example Rockwell takes Rockwell Details NOTE The Vehicle Brake Assembly Vender Type may be identified by inspecting the Vender Number Related Sequence Part Number Stampings on the Brake Parts Example Eaton7lXXXXX 5 or 6 Digits RockwelHiX XXXX X XXXX WagnerYlFX XXXXX starts with an F NOTE Brake Assemblies are available if in Current Production otherwise order Brake Vender Type Details of that Assembly NOTE Rockwell has two 2 T Series Front Air Brake Designs which involved a Running Design Change in Mid 1977 To identify which Design is on a Vehicle examine the Cam Chamber Bracket to Backing Plate Mounting Configuration Some Parts are Interchangeable Rockwell T Series Type I has three 3 Backing Plate Mounting Holes Rockwell T Series Type 2 has four 4 Backing Plate Mounting Holes ABBREVIA Tl0NS Air Brakes Having a Camshaft Slack Adjuster Are Identified as Cam Type Air Brakes Having a Camshaft Slack Adjuster DD3 Safety Actuator Chamber Are ldentihed as Cam Type w SA Stop Master Brakes without Fail Safe Are Identified as SM w out FS Stop Master Brakes with Fail Safe Are Identified as SM w FS FRONT AXLE 3989800 F050 CE CG CM CS Hyd FIH 14 x 2 Aut0matic Adjuster Std Pri0r to 1975 2nd Design 3989799 F050 CE CG CM CS Hyd LH 14 x 2 Aut0matic Adjuster Std Pri0r to 1975 2nd Design 348122 F050 CD CE CS Hyd FIH 14 x 2 Aut0 Adj Std 1975 2nd Design 1976 Ist Design 348121 F050 CD CE CS Hyd LH 14 x 2 Aut0 Adj Std 1975 2nd Design 1976 1st Design 457798 F050 CD CE CS Hyd FIH 14 x 2 Auto Adj Std 1976 2nd Design 1977 457797 F050 CD CE CS Hyd LH 14 x 2 z Aut0 Adj Std 1976 2nd Design 1977 474396 F050 CD CE CS I Iyd FIH 14 x 2 Auto Adj Std Eff w 1978 474395 F050 CD CE CS Hyd LH 14 x 2 Aut0 Adj Std Eff w 1978 1 3989800 F055 SE SM except 6310 Hyd RH 14 x 2 Aut0matic Adjuster Std Prior to 1975 2nd Design 3989799 F055 SE SM except 6310 Hyd LH 14 x 2 Automati Adjuster Std Prior to 1975 2nd Design 348121 F055 SE SS Hyd RH 14 x 2 z Auto Adj Std 1975 2nd Design 1976 348122 F055 SE SS Hyd LH 14 x 2 Aut0 Adj Std 1975 2nd Design 1976 I 462374 F055 SE6200 6250 Hyd RH 14 x Z Aut0 Adj 5td I977 462373 F055 SE6200 6250 Hyd LH 14 x 2 Aut0 Adj Std 1977 475002 FO7OD SE Hyd RH 15 x 3 F B9907 Aut0 Adj Eff w 1978 475001 FO7OD SE Hyd LH 15 x 3 F 89906 Autc Adj Eff w 1978 3989818 F070 CE CG CM CS ME TE TG TM I Iyd HH 1 5 x 3 FF 75331 Manua Adj Pri0r to 1975 2nd Design 3989817 F070 CE CG CM CS ME TE TG TM Hyd LH 1 5 x 3 FF 75330 ManuaI Adj Prior to 1975 2nd Design 349074 F070 CE CS ME SE TE Hyd RH 15 x 3 FF 84037 ManuaI Adj Std Use in Matched Sets OnIy 1975 2nd Design 1976 1st Design 349073 F070 CE CS ME SE TE Hyd LH 15 x 3 FF 84036 ManuaI Adj Std Use in Matched Sets On y 1975 2nd Design 1976 Ist Design 459776 F070 CD CE CS ME TE Hyd RH 15 x 3 FF 88626 Manua Adj Use in Matched Sets OnIy 1976 2nd Design 1977 459775 F070 CD CE CS ME TE Hyd LH 15 x 3 FF 88625 ManuaI Adj Use in Matched Sets On y 1976 2nd Design 1977 I 475004 F070 CD CE CS ME TE Hyd FIH 15 x 3 F 89905 ManuaI Adj Use in Matched Sets On y Eff w 1978 475003 F070 CD CE CS ME TE Hyd LH 15 x 3 F 89904 ManuaI Adj Use in Matched Sets On y Eff w 1978 T 3989822 F070 CE CM CS SE SG SM SS TE TG TM Hyd RH 15 x 3 FF 75339 w Automatic Adjusteraw Dual Brake System Pri0r to 1975 2nd Design 3989821 F070 CE CM CS SE SG SM SS TE TG TM Hyd LH 15 x 3 FF 75338 w Automatic Adjuster w Dual Brake System Pri0r to 1975 2nd Design WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION 78TM N S reference only Added this issue 5 3 5 000 5 000 AFI PAFIT