320 GC, 320 and 323 Excavator Machine Systems Specifications Caterpillar

Final Drive

Usage:

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Illustration 1	g03882567
Typical example

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Table 1
Item	Qty	Part	Specification Description
1	6	095-0891 Spring Pin	After installation of the spring pins, create two stake marks for each pin slightly near the hole of spring pins. Refer to Illustration 1 for the locations of the stake marks.
D	-	-	The distance from the edge of the spring pin hole to the stake mark is 2.25 ± 0.75 mm (0.089 ± 0.030 inch).
2	28	8T-0348 Bolt	Before assembly, the contact surfaces of the bolts, the washers, and the tightened parts must be clean and free from protective coating and oil. Torque to 270 ± 40 N·m (199 ± 30 lb ft).
3	16	143-0811 Bolt	Before assembly, the contact surfaces of the bolts, the washers, and the tightened parts must be clean and free from protective coating and oil. Torque to 120 ± 20 N·m (88 ± 15 lb ft).
4	2	096-3216 Socket Setscrew	Before assembly, apply blue Loctite 243 to the threads. Clean the threads before applying the sealant. During assembly flush the setscrew with the surface of the cover assembly.
5	6	114-1539 Dowel Pin	Before assembly, apply Loctite C5A Copper Anti-Seize to the inside diameter and outside diameter of the mating parts.
6	2	296-6220 Ball Bearing	Before assembly, apply Loctite C5A Copper Anti-Seize to the inside diameter and outside diameter of the mating parts.
7	1	174-4874 Duo-Cone Seal Gp	Rubber toric seals and all surfaces that in contact with the seals must be clean and dry at assembly. Prior to assembly apply, a thin layer of 6V-4876 Lubricant to the surfaces that are in contact with the metal seals. The metal seal must be assembled square with the bore. Rubber toric seals must not bulge. Rubber toric seals must not be twisted.
8	1	-	Before assembly, apply 1U-8846 Gasket Sealant to the surface.
9	2	3E-2338 Pipe Plug	Torque to 80 ± 10 N·m (59 ± 7 lb ft).
10	1	457-7977 Ring Gear	Before assembly, apply 1U-8846 Gasket Sealant to the surface.
11	As required, use the following shims to achieve the correct clearance between the ball bearing and the coupling gear. If two shims (11) are required, install the thinnest shim next to the coupling gear:
	1	096-1773 Shim	Thickness is 0.15 mm (0.006 inch).
	1	096-1774 Shim	Thickness is 0.30 mm (0.012 inch).
	1	096-1775 Shim	Thickness is 0.40 mm (0.016 inch).
	1	096-1776 Shim	Thickness is 0.50 mm (0.020 inch).
	1	096-1777 Shim	Thickness is 0.60 mm (0.024 inch).
	1	096-1778 Shim	Thickness is 0.70 mm (0.028 inch).
	1	096-1779 Shim	Thickness is 0.80 mm (0.031 inch).
	1	096-1780 Shim	Thickness is 1.00 mm (0.039 inch).
	1	096-1781 Shim	Thickness is 1.60 mm (0.063 inch).
12	14	227-6034 Bolt	Before assembly, the contact surfaces of the bolts, the washers, and the tightened parts must be clean and free from protective coating and oil. Before assembly, apply blue Loctite 243 to the threads. Torque to 270 ± 40 N·m (199 ± 30 lb ft).