345C Excavator Machine System Specifications Final Drive Caterpillar

Final Drive

345C Excavator Machine System Specifications [RENR7323]

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Illustration 1	g02903397

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Table 1
Specification for 227-6045 Final Drive Gp
Item	Qty	Part	Specification Description
1	20	7Y-5235 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 900 ± 100 N·m (664 ± 74 lb ft).
2	2	3E-2338 Pipe Plug	Torque to 80 ± 10 N·m (59 ± 7 lb ft).
3	6	114-1541 Dowel Pin	Before assembly, apply Loctite C5A Copper Anti-Seize to the inside diameter and outside diameter of the mating parts of the dowel pins.
4	1	205-9025 Duo-Cone Seal Gp	Rubber toric seals and all surfaces in contact with the seals must be clean and dry at assembly. Apply a thin layer of 6V-4876 Lubricant on the surfaces of the metal seals that are in contact just before installation. The metal seal must be assembled square with the bore. The rubber toric seals must not bulge. The rubber toric seals must not be twisted.
5	1	7Y-0808 Shim	As required, use the following shim in order to adjust the clearance (C) . Thickness is 1.6 (0.06 inch).
C	-	-	Clearance is 1.0 to 2.6 mm (0.04 to 0.10 inch).
6	2	2R-0524 Bearing Cone	Apply Loctite C5A Copper Anti-Seize to the inside diameter and outside diameter of the mating parts.
7	2	2R-0525 Bearing Cup	Apply Loctite C5A Copper Anti-Seize to the inside diameter and outside diameter of the mating parts.
8	10	8T-3957 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.
9	1	7Y-1483 Ring Gear	Before assembly, apply 7Y-1528 Sealant or 8C-8422 Sealant to the mating parts.
11	As required, use the following shims for bearing pre-load adjustment. If two shims are required, install the thinner shim next to coupling gear (10) .
	1	7Y-1472 Shim	Thickness is 0.15 ± 0.03 mm (0.006 ± 0.001 inch).
	1	7Y-1473 Shim	Thickness is 0.30 ± 0.04 mm (0.012 ± 0.002 inch).
	1	7Y-1474 Shim	Thickness is 0.40 ± 0.05 mm (0.016 ± 0.002 inch).
	1	7Y-1475 Shim	Thickness is 0.50 ± 0.05 mm (0.020 ± 0.002 inch).
	1	7Y-1476 Shim	Thickness is 0.60 ± 0.06 mm (0.024 ± 0.002 inch).
	1	7Y-1477 Shim	Thickness is 0.70 ± 0.06 mm (0.028 ± 0.002 inch).
	1	7Y-1478 Shim	Thickness is 0.80 ± 0.07 mm (0.031 ± 0.003 inch).
	1	7Y-1479 Shim	Thickness is 1.00 ± 0.08 mm (0.039 ± 0.003 inch).
	1	7Y-1480 Shim	Thickness is 1.60 ± 0.10 mm (0.063 ± 0.004 inch).
12	12	6V-8133 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. Apply blue Loctite 242 to the threads. Torque to 900 ± 100 N·m (664 ± 74 lb ft).

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Illustration 2	g02903456
View of area D

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Table 2
Item	Qty	Part	Specification Description
13	7	095-0891 Spring Pin	After installation of the spring pins, create stake marks lightly near the hole of the spring pins. Distance (F) from the edge of the spring pin hole to the stake mark is 1.5 to 3.0 mm (0.06 to 0.12 inch).