ENGINE AR-CORE 2446781 - Caterpillar

FT2485 Support Beam Assembly
Support Beam Assembly Dimensions(1) Channel(2) Plate(3) Ring(4) 1D-4627 Bolt, Qty. 4(5) 5P-8249 Washer, Qty. 8(6) 2J-3505 Nut, Qty. 4(A) 80.0 mm (3.15 in)(B) 40.0 mm (1.57 in)(C) 489.2 mm (19.26 in)(D) 628.5 mm (24.74 in)(E) 368.0 mm (14.49 in)(F) 540.0 mm (21.26 in)(G) 545.0 mm (21.46 in)(H) 1625.0 mm (63.98 in)(I) 489.2 mm (19.26 in)(J) 76.2 mm (3.00 in)(K) 24.0 mm (.94 in) diameter, 4 holes(L) 30.5 mm (1.20 in) diameter, 2 holes, Note C(M) 36.4 mm (1.43 in), 4 places(N) 18.2 mm (.72 in), 4 places(O) 156.0 mm (6.14 in), 4 places(P) 82.0 mm (3.23 in) reference(Q) 8.0 mm (.31 in), 4 places Chamfer or radius Item 2 to allow mating surface to be flush against Item 1. Use Items 4, 5, and 6 to secure the support beam assembly to the machine. Tighten the bolts to 570 80 N m (420 60 lb ft). Optional bolt holes allow the support beam to be used on E70 and E70B Excavators.
Dimensions for Ring (3)(A) 26.0 mm (1.02 in)(B) 76.2 mm (3.00 in) radius(C) 69.85 mm (2.75 in) radius Reference:Service Manual Module SENR6199; Disassembly and Assembly 307 Excavators Machine Systems