M318F, M320F and M322F Wheeled Excavators Machine System Specifications Caterpillar

Boom - 2.0 m (6.43 ft)

Usage:

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Illustration 1	g03724254

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Table 1
Specification for 434-2154 Stub Boom
Item	Qty	Part	Specification Description
All bores must be free of paint. Use 5P-0960 Grease Cartridge in order to coat all bores for the pins, the bushings, the fore boom, upper frame, and the cylinder pin bores.
	As required, use the following shims in order to adjust the minimum lateral clearance of 0.5 mm (0.02 inch) to the maximum lateral clearance of 1.6 mm (0.06 inch) for each boom cylinder eye:
1	6	7X-2553 Bolt	Torque to 240 ± 20 N·m (177 ± 15 lb ft).
2	2	093-0090 Shim	As required, use the shims in order to adjust the minimum lateral clearance of 0.5 mm (0.02 inch) to the maximum lateral clearance of 1.6 mm (0.06 inch) for each boom cylinder eye. Thickness is 1.0 mm (0.04 inch).
3	2	9X-4597 Lip Type Seal	Lubricate the sealing lip lightly with the lubricant that is being sealed.
4	1	188-3351 Pin	Diameter is 99.95 ± 0.04 mm (3.935 ± 0.002 inch).
5	2	7Y-2397 Bushing	Bore before assembly is 100.29 ± 0.02 mm (3.948 ± 0.001 inch).
6	1	7Y-3355 Shim	As required, use the shims in order to adjust the maximum lateral clearance of 0.8 mm (0.03 inch). Thickness is 1.6 mm (0.06 inch).
7	1	133-2427 Shim	As required, use the shims in order to adjust the minimum lateral clearance of 0.5 mm (0.02 inch) to the maximum lateral clearance of 1.6 mm (0.06 inch) for each boom cylinder eye. Thickness is 0.5 mm (0.02 inch).
8	1	093-0122 Shim	As required, use the shims in order to adjust the minimum lateral clearance of 0.5 mm (0.02 inch) to the maximum lateral clearance of 1.6 mm (0.06 inch) for each boom cylinder eye. Thickness is 2.0 mm (0.08 inch).
9	2	7X-4803 Lip Type Seal	Lubricate the sealing lip lightly with the lubricant that is being sealed.
10	2	257-2216 Bushing	Bore before assembly is 90.31 ± 0.04 mm (3.556 ± 0.002 inch).
11	2	8T-4780 Bolt	Torque to 325 ± 40 N·m (240 ± 30 lb ft).
12	1	188-3354 Pin As	Diameter is 99.95 ± 0.04 mm (3.935 ± 0.002 inch).
13	As required, use the following shims in order to adjust the minimum lateral clearance of 0.5 mm (0.02 inch) to the maximum lateral clearance of 0.8 mm (0.03 inch):
	1	133-2427 Shim	Thickness is 0.5 mm (0.02 inch).
	1	093-0122 Shim	Thickness is 2.0 mm (0.08 inch).
14	As required, use the following shims in order to adjust the minimum lateral clearance of 0.5 mm (0.02 inch) to the maximum lateral clearance of 0.8 mm (0.03 inch):
	1	093-0090 Shim	Thickness is 1.0 mm (0.04 inch).
	1	7Y-3355 Shim	Thickness is 1.6 mm (0.06 inch).