BOOM GP 2895919 - Caterpillar

(1) Thickness of four new 8E4526 Disc Assemblies and three new 7T6994 Plates for brake (earlier models) ... 28.325 0.945 mm (1.115 .037 in)Thickness of four new 6Y9373 Disc Assemblies and three new 7T6994 Plates for brake (later models) ... 28.325 0.945 mm (1.115 .037 in)(2) Use shims as needed to obtain a backlash between bevel gear and pinion shaft of ... 0.21 0.075 mm (.008 .0030 in)(3) Tighten nut until rolling torque needed to rotate pinion shaft is ... 0.3 to 1.35 N m (3 to 12 lb in) Then bend tab on lock washer into slot in nut. Tighten nut before bevel gear is installed.(4) Install rotating housing (7) with bearing into brake housing. Install plate (6) with three equally spaced bolts. Tighten bolts until rolling torque needed to rotate housing (7) is 2.25 to 4 N m (20 to 35 lb in). Then measure gap between plate (6) and housing (7), and install shims (4) equal to measured gap. Recheck rotating torque.(5) Make sure three washers are equally spaced.(8) Torque for three bolts ... 50 10 N m (37 7 lb ft)
Belleville Spring Installation Position(9) 6Y2704 Belleville spring: Touch-up pressure ... 1841 + 227 - 117 kPa (267 + 33 - 17 psi) See Special Instruction SEHS8966; Installation and Inspection of Steering Clutch and Brake Springs. This procedure provides for a check on Belleville springs before repair or rebuild disassembly and a check after reassembly for touch-up pressure or correct assembly.