320D RR Excavator and 320D RR Forest Machine Machine System Specifications Caterpillar

Illustration 1	g01547454
(1) Stick Cylinder group (2) Stick group (3) Boom Cylinder group

Note: All bores must be free of paint. Use 5P-0960 Grease Cartridge in order to coat all bores for the pins, the stick, the upper frame and the cylinder pin bores.

(4) 4I-4809 Pin As

Pin diameter ... 79.850 ± 0.025 mm (3.1437 ± 0.0010 inch)

Bore diameter for the pin assembly ... 80.037 ± 0.037 mm (3.1511 ± 0.0015 inch)

(5) 176-2278 Pin

Pin diameter ... 79.850 ± 0.025 mm (3.1437 ± 0.0010 inch)

Bore diameter for the pin ... 80.037 ± 0.037 mm (3.1511 ± 0.0015 inch)

(6) Lubricate the sealing lip of two lip type seals lightly with the lubricant that is being sealed. Install the dust seal so that the lip faces outside, as shown. Install two lip type seals so that the lip of the lip type seals do not extend beyond the face of the boss.

Note: Install the sleeve bearing in the bore so that the part number of the sleeve bearing is facing outward.

(7) 244-4277 Sleeve Bearing

Quantity ... 2

Inside diameter ... 90.16 ± 0.02 mm (3.550 ± 0.001 inch)

Outside diameter ... 106.115 ± 0.011 mm (4.1777 ± 0.0004 inch)

Installation depth of the sleeve bearing ... 9.5 ± 0.8 mm (0.37 ± 0.03 inch)

(8) As required, use the following shims in order to adjust the maximum lateral clearance of 1.6 mm (0.06 inch) and mount the steel shim at the boom side:

113-2127 Shim

Quantity ... 1

Thickness of the shim ... 0.5 mm (0.02 inch)

093-0084 Shim

Quantity ... 2

Thickness of one shim ... 1.0 mm (0.04 inch)

(9) 264-1702 Pin As

Pin diameter ... 89.850 ± 0.025 mm (3.5374 ± 0.0010 inch)

Bore diameter for the pin assembly ... 90.043 ± 0.043 mm (3.5450 ± 0.0017 inch)

Optional Design

Illustration 2	g01585933
Section D-D

(10) As required, use the following shims in order to adjust the maximum lateral clearance of 1.6 mm (0.06 inch) and mount the steel shim at the boom side:

093-0116 Shim

Quantity ... 2

Thickness of one shim ... 2.0 mm (0.08 inch)