SUPPORT A-BRG 9W0578 - Caterpillar

(1) Thickness of four new discs and three new plates for the lockup clutch ... 29.61 0.47 mm (1.166 .019 in) Thickness of one new 1T1240 or 1T1835 Disc (9ZC1-9ZC306) ... 4.83 0.08 mm (.190 .003 in)Thickness of one new 8E684 Disc (9ZC307-UP) ... 4.83 0.08 mm (.190 .003 in)Thickness of one new 1T1239 Plate ... 3.43 0.05 mm (.135 .002 in)(2) Torque for twenty-six bolts ... 225 25 N m (165 18 lb ft)Torque bolts (2) as follows:Torque eight of the bolts in numbered sequence 1 through 8. Then torque all 26 bolts in numbered sequence 9 through 34. Overlap the starting point to make sure all bolts are to required torque. (3) Torque for 12 bolts ... 80 10 N m (60 7 lb ft)(4) Torque for six bolts ... 30 5 N m (22 4 lb ft)(5) Put a small amount of the lubricant on lip of seal before installation.(6) Torque for bolt ... 400 50 N m (300 37 lb ft)(7) Torque for 12 bolts ... 50 7 N m (37 5 lb ft)(8) Torque for 12 bolts ... 50 7 N m (37 5 lb ft)(9) Torque for eight bolts ... 80 10 N m (60 7 lb ft)(10) Torque for 30 bolts ... 125 15 N m (90 11 lb ft) Torque bolts (10) as follows:Torque eight of the bolts in numbered sequence 1 through 8. Then torque all 30 bolts in numbered sequence 9 through 38. Overlap the starting point to make sure all bolts are to required torque. (11) Torque for eight bolts ... 30 5 N m (22 4 lb ft) Torque bolts (11) as follows:Torque eight of the bolts in numbered sequence 1 through 8. Then torque the eight bolts in numbered sequence 9 through 16. Overlap the starting point to make sure all bolts are to required torque. (12) 1T1257 Springs (two) for one-way clutch: Length under test force ... 17.8 mm (.70 in)Test force ... 30.7 2.0 N (6.91 .44 lb)Free length after test ... 27.4 mm (1.08 in)Outside diameter ... 5.84 mm (.230 in) Always install new springs (12) in the one-way clutch. The stator should turn freely in a clockwise direction only (when working from the input [flywheel] end).(13) Torque for 12 bolts ... 120 15 N m (90 11 lb ft)(14) Torque for bolts ... 225 25 N m (165 18 lb ft)