PLATE-WEAR 2501069 - Caterpillar

(1) Rubber torics and all surfaces in contact with them must be clean and dry at assembly. Put a thin layer of oil on the surfaces of the metal seal rings just prior to assembly. Seal rings must be assembled square with bore and toric must not be buldged or twisted.(2) Torque for nuts ... 300 15 N m (220 11 lb ft)(3) Torque for studs ... 100 15 N m (75 11 lb ft)(4) Thickness of one new 7D3013 Damper ... 6.9 mm (.270 in) Install dampers with facing material towards plate and piston.(5) 9D6093 Springs for piston compression (28 springs):Length under test force ... 90.50 mm (3.563 in)Test force ... 4235 254 N (952 57 lb)Free length after test ... 116.5 mm (4.587 in)Outside diameter ... 46.02 mm (1.812 in)(6) Thickness of one new 7T2629 Disc (earlier) ... 5.08 0.13 mm (.200 .005 in)Minimum permissible thickness (worn) ... 4.7 mm (.185 in)Thickness of one new 9W7017 Disc (later) ... 5.08 0.13 mm (.200 .005 in)Minimum permissible thickness (worn) ... 4.7 mm (.185 in)(7) 9D9121 Springs for piston return (4 springs):Length under test force ... 74.90 mm (2.949 in)Test force ... 890 27 N (200 6 lb)Free length after test ... 91.14 mm (3.588 in)Outside diameter ... 26.7 mm (1.047 in)(8) Torque for bolts ... 325 15 N m (240 11 lb ft)(9) Thickness of one new 7D7671 Plate ... 2.413 0.064 mm (.0950 .0025 in)Minimum permissible thickness (worn) ... 2.16 mm (.085 in)(10) Thickness of 9 discs, 8 plates and 2 dampers (all new) ... 78.824 1.682 mm (3.10 .065 in)Minimum permissible thickness (worn discs, plates and dampers) ... 72.11 mm (2.839 in) To get the minimum permissible thickness, measure the thickness of each plate, disc and damper, then add all of these measurements. When a disc is checked for thickness, measure the depth of each groove in the disc. The depth of a groove must be more than 0.46 mm (.018 in)