320E and 323E Excavators Machine System Specifications Caterpillar

Boom - Stub Boom - 2.7 m (8.79 ft)

Usage:

320E LN DFG

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Illustration 1	g02727177
Typical example

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Table 1
Specification for 355-1940 Stub Boom and 364-5094 Stub Boom
Item	Qty	Part	Specification Description
All bores must be free of paint. Use the 5P-0960 Grease Cartridge in order to coat all bores for the pins, the stick, the upper frame, and the cylinder pin bores.
1	As required, use the following shims to adjust the maximum lateral clearance to 0.8 mm (0.03 inch):
	2	093-0084 Shim	Thickness is 1.0 mm (0.04 inch).
	1	7Y-2497 Shim	Thickness is 1.6 mm (0.06 inch).
	1	093-0116 Shim	Thickness is 2.0 mm (0.08 inch).
2	1	4I-4621 Pin As	Diameter is 89.850 ± 0.025 mm (3.5374 ± 0.0010 inch).
3	1	264-1702 Pin As	Diameter is 89.850 ± 0.025 mm (3.5374 ± 0.0010 inch).
4	As required, use the following shims to adjust the maximum lateral clearance to 0.8 mm (0.03 inch):
	2	093-0084 Shim	Thickness is 1.0 mm (0.04 inch).
	1	7Y-2497 Shim	Thickness is 1.6 mm (0.06 inch).
	1	093-0116 Shim	Thickness is 2.0 mm (0.08 inch).
5	1	176-2278 Pin	Diameter is 79.850 ± 0.025 mm (3.1437 ± 0.0010 inch).
6	2	7X-4803 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.
7	2	228-5615 Bushing	Install the bushing in the bore so that the part number of the bushing is facing outward. Inside diameter before assembly is 90.25 ± 0.04 mm (3.553 ± 0.002 inch). Installation depth is 9.5 ± 0.8 mm (0.37 ± 0.03 inch).

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