Service Bulletin No. 2874

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1 MODEL TYPE SECTION/GROUP DATE SUBJECT 102 E / E4500 / J4500 Series Coaches Service Information 04--Brakes MERITOR BRAKE CALIPER SERVICE PARTS CHART Dec. 24, 2003 CONDITIONS may be purchased from MCI Service, Louisville, Kentucky or from MCI Service,Newcastle,Ontario. Description: MCI is releasing a Service Chart, identifying service replacement parts for the Meritor D---Lisa disc brakes used on E4500 / J4500 model coaches. Service Information: 1. New parts will be available for service replacement Kit - Housing Assy, LH 1 Housing Assy, LH 1 1 Guide Pin Bolt, Long 1a 1 Guide Pin Bolt, Short 1b 2 Guide Pin Cap 1c Kit - Housing Assy, RH 1 Housing Assy, RH 1 1 Guide Pin Bolt, Long 1a 1 Guide Pin Bolt, Short 1b 2 Guide Pin Cap 1c Kit - Pad 4 Pad Assembly 3a 2 Spreader Spring 3b Kit - Pad Fitting 2 Spreader Spring 4a 4 Pad Retaining Pin 4b 4 Pad Clip 4c Kit - Guide Pin Dust Cover 1 Guide Sleeve, Short 5a 2 Guide Pin Dust Cover 5f 1 Guide Sleeve, Long 5b 1 Guide Pin Bolt, Short 5c 1 Guide Pin Bolt, Long 5d 2 Cap 5e 2 Dust Cover Retainer 5g 1 Bush 5h 2 Bush 5i Kit - Guide Pin Dust Cover 1 Guide Pin Dust Cover 6a 1 Guide Pin Dust Cover 6a

2 DATE DEC. 24, 2003 PAGE Kit - Auto Adjuster, LH 1 Adjuster Assy, LH 7a 1 Drive Ring 7b 1 Spring 7c 1 Adjuster Dust Cover 7d Kit - Auto Adjuster, RH 1 Adjuster Assy, RH 7a 1 Drive Ring 7b 1 Spring 7c 1 Adjuster Dust Cover 7d Kit - Adjuster Tappet, LH 1 Adjuster Nut, LH 8a 1 Tappet, LH 8b 1 MainReturnSpring 8c Kit - Adjuster Tappet, RH 1 Adjuster Nut, RH 8a 1 Tappet, RH 8b 1 MainReturnSpring 8c Kit - Operating Shaft, LH 1 Operating Shaft c/w Grease Ftg. 9a 3 Ball 9b 1 Ramp 9c 1 Anti Rotation Pin 9d Kit - Operating Shaft, RH 1 Operating Shaft c/w Grease Ftg. 9a 3 Ball 9b 1 Ramp 9c 1 Anti Rotation Pin 9d Kit - Bush / Bearing 1 Bearing Thrust 10a 1 Washer Thrust 10b 1 Needle Bearing 10c 1 Bush 10d 1 Retainer 10e

3 DATE DEC. 24, 2003 PAGE Kit - Seal 1 Op Shaft Seal 11a 1 Adjuster Seal 11b 1 Adjuster Dust cover 11c 1 Gasket 11d 1 Tappet D/Cover 11e 2 Guide Pin Dust Cover 11f 2 Guide Pin Dust Cover 11f 1 Shield 11g Nipple not shown Kit - Guide Pin Bolt 1 Guide Pin Bolt ( Long ) 12a 1 Guide Pin Bolt ( Short ) 12b 2 Guide Pin Caps 12c Kit - Spreader Plate 1 Spreader Plate 26a 1 Bolt 26b Kit - Housing Overhaul, LH 1 Cover Plate Assy 27a 2 Cover Plate Pin 19 3 Ball 27c 1 Adjuster Assy. 27d 1 Drive Wheel 7b 1 Spring 27f 1 Gasket 27g 6 Bolt 17 4 Bolt---Brkt., Brake Chamber Mtg. not shown 1 Pin--- Anti-rotation 19 1 Fitting Instructions Kit - Housing Overhaul, RH 1 Cover Plate Assy 27a 2 Cover Plate Pin 19 3 Ball 27c 1 Adjuster Assy. 27d 1 Drive Wheel 7b 1 Spring 27f 1 Gasket 27g 6 Bolt 17 4 Bolt---Brkt., Brake Chamber Mtg. not shown 1 Pin--- Anti-rotation 19 1 Fitting Instructions

4 DATE DEC. 24, 2003 PAGE Kit - Lever, LH 1 Lever not shown 1 Pinch Bolt not shown Kit - Lever, RH 1 Lever not shown 1 Pinch Bolt not shown Carrier Gasket 18 for HUB & ROTOR ASSY -- FRONT / TAG AXLES Qty. ( per wheel ) New P/N Description Hub & Rotor Assembly - LH / RH ( Nuts, Inner Cone & Seal ) Hub & Rotor Assembly Hub & Stud Assembly Hub & Cup Assembly 1 15M-2-25 Cup - Brg, Inner Cup - Brg, Outer Stud - Wheel, RH ( M22 x 1.5 ) Exciter Screw Rotor Assembly Wheel Nut 1 15M-2-29 Bearing Cone, Inner Seal - Wheel Oil, C / R Bearing Cone, Outer 1 15C-2-33 Gasket - Hub Cap 1 15L-2-74 Cap Assy - Hub 1 15L-2-75 Plug - Vent / Fill Capscrew - Hub Cap Lockwasher

5 DATE DEC. 24, 2003 PAGE 5 for HUB & ROTOR ASSY -- DRIVE AXLES Qty. ( per wheel ) New P/N Description Hub & Rotor Assembly - LH / RH ( Nuts, Inner Cone & Seal ) Hub & Stud Assembly Hub & Cup Assembly 1 15A-2-27 Cup - Brg, Inner Cup - Brg, Outer Stud - Wheel, RH ( M22 x 1.5 ) Screw Rotor Assembly Wheel Nut 1 2L-3-86 Bearing Cone, Inner Seal - Wheel Oil, C / R Bearing Cone, Outer 1 2B-2-12 Nut - Wheel Brg, Inner 1 15C-3-18 Washer - Lock 1 15L-3-15 Washer - Lock Nut - Wheel Brg, Outer Gasket - Axle Shaft Shaft - Axle, LH Shaft - Axle, RH 1 2J-2-10 Plug 8 2B-3-22 Dowel 8 2B-3-23 Washer - Lock 8 4M-4-16 Nut

6 DATE DEC. 24, 2003 PAGE a 27a 8c 1c Figure 1.