312F and 313F Excavator Machine System Specifications Boom - 4.65 m (15.256 ft) Caterpillar


Boom - 4.65 m (15.256 ft)
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Illustration 1g06006863
Typical example

Table 1
Specification for 390-5566 Boom, 390-5569 Reach Boom Gp, 390-5572 Reach Boom Gp, 390-5575 Boom, and 390-5576 Reach Boom Gp 
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. After you assemble the bushings coat all the bores and the bushings with 5P-0960 Grease Cartridge. 
166-1494 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. 
357-5710 Bushing  Bore before assembly is 80.32 ± 0.03 mm (3.162 ± 0.001 inch).
Installation depth is 9.5 ± 0.8 mm (0.37 ± 0.03 inch)
1R-6225 Pin As  Diameter is 59.86 ± 0.03 mm (2.357 ± 0.001 inch)
172-3080 Pin  Diameter is 79.850 ± 0.025 mm (3.1437 ± 0.0010 inch)
1R-6226 Pin As  Diameter is 79.86 ± 0.03 mm (3.144 ± 0.001 inch)
As required, use the following shims to adjust the maximum lateral clearance of 1.0 mm (0.04 inch).
Mount the steel-shim to be at boom side. 
1 133-2425 Shim  Thickness is 0.5 mm (0.02 inch)
1 093-0115 Shim  Thickness is 2.0 mm (0.08 inch)

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