EDGE-CUTTING 1747973 - Caterpillar

Illustration 1 g03818448
Right side view
Table 1
Specification for 493-7977 Boom
Item Qty Part Specification description
All bores must be free of paint. Use 5P-0960 Grease Cartridge to coat all bores for the pins, the stick, the upper frame, the bushing, and the cylinder pin bores.
1 1 4I-4809 Pin As Diameter is 79.850 0.025 mm (3.1437 0.0010 inch).
2 1 176-2278 Pin Diameter is 79.850 0.025 mm (3.1437 0.0010 inch).
3 2 228-5615 Bushing (1) Bore is 90.21 0.04 mm (3.552 0.002 inch).
Installation depth is 9.5 0.8 mm (0.37 0.03 inch).
4 2 166-1495 Lip Type Seal Lubricate the sealing lip of the lip type seals lightly with the lubricant that is being sealed. Install the dust seal so that the lip faces outside, as shown. Install the lip type seals so that the lip type seals do not extend beyond the face of the boss.
5 1 264-1702 Pin As Diameter is 89.850 0.025 mm (3.5374 0.0010 inch).
6 As required, use the following shims to adjust the maximum lateral clearance of 1.6 mm (0.06 inch). Mount the steel shim in order to be located at the boom side.
1 113-2127 Shim Thickness is 0.5 mm (0.02 inch).
2 093-0116 Shim Thickness of one shim is 2.0 mm (0.08 inch).
(1) Install the bushing in the bore so that the part number of the bushing is facing outward.