320 GC, 320 and 323 Excavator Machine Systems Specifications Caterpillar

Excavator Pins (Boom and Boom Cylinder)

Usage:

320 GC BR4

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Illustration 1	g03732242

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Table 1
Specification for 339-4055 Excavator Pin Gp
Item	Qty	Part	Specification Description
Before assembly, use black 5P-0960 Grease Cartridge in order to coat all the pin bores.
1	1	343-9295 Pin As	Diameter is 89.850 ± 0.025 mm (3.5374 ± 0.0010 inch). Clearance between the pin end and the side of the cab must be kept over 10.0 mm (0.39 inch).
2	As required, use the following shims in order to adjust the maximum lateral clearance of 1.6 mm (0.06 inch). Mount steel shim to be located at frame side:
	1	308-8775 Shim	Thickness is 0.5 mm (0.02 inch).
	2	308-8776 Shim	Thickness is 1.0 mm (0.04 inch).
	1	308-8777 Shim	Thickness is 2.0 mm (0.08 inch).
3	2	154-0480 Pin As	Diameter is 79.850 ± 0.025 mm (3.1437 ± 0.0010 inch).
4	As required, use the following shims in order to adjust the lateral clearance to 1.0 mm (0.04 inch).
	2	133-2425 Shim	Thickness is 0.5 mm (0.02 inch).
	4	093-0083 Shim	Thickness is 1.0 mm (0.04 inch).
	2	093-0115 Shim	Thickness is 2.0 mm (0.08 inch).

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