GUARD ASSEM. 8G6921 - Caterpillar

(1) Clearance-idler-to-shaft end ... .020 .009 in.(0,508 0,229 mm) Maximum end clearance ... .045 in.(1,14 mm)(2) Diameter-shaft ... 2.494 .001 in.(63,348 0,025 mm) Maximum clearance-shaft-to-bearing ... .050 in.(1,27 mm)Maximum bend in shaft ... 005 in.(0,127 mm)Bearing bore ... 2.506 .001 in.(63,652 0,025 mm)(3) Torque-plug ... 125 15 lb. ft.(17,3 2,1 mkg)(4) Clearance-frame-to-plate (each side) ... .031 .016 in.(0,79 0,40 mm) and align idlers with track rollers ... .03 .03 in.(0,76 0,76 mm)(5) Torque-taper lockpin retaining nuts ... 65 lb. ft.(9,0 mkg) Then drive lockpin in place and retighten ... 75 10 lb. ft.(10,4 1,4 mkg)