3500C Marine Engines Caterpillar

Gear Group (Rear)

Usage:

3516C BG3

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Illustration 1	g03334170

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Table 1
Specification for 386-2934 Rear Gear Gp
Item	Qty	Part	Specification Description
1	1	261-3139 Idler Gear As	Before assembly, clean the taper of the camshaft and the tapered bore of the camshaft drive gear with lint free cloth saturated with cleaning solvent to remove excess oil. clean with alcohol wipe.
2	2	261-3137 Idler Gear As	After installation, bore of 125-9751 Bushingis 81.060 ± 0.010 mm (3.1913 ± 0.0004 inch). Installation depth of the bushing is 1.00 ± 0.25 mm (0.039 ± 0.009 inch).
3	1	261-3133 Idler Gear As	After installation, bore of 101-1372 Bushingis 75.060 ± 0.010 mm (2.9551 ± 0.0004 inch). Installation depth of the bushing is 1.50 ± 0.50 mm (0.059 ± 0.019 inch).
4	2	101-1368 Thrust Washer	Thickness is 1.90 ± 0.10 mm (0.074 ± 0.004 inch).
5	1	101-1366 Gear Shaft	Diameter is 74.990 ± 0.010 mm (2.9523 ± 0.0004 inch).
6	4	8M-2530 Bolt	Torque to 140 ± 10 N·m (103 ± 7 lb ft).

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Illustration 2	g03334173
Rear view

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Table 2
Specification for 386-2934 Rear Gear Gp
Item	Qty	Part	Specification Description
7	4	1B-4367 Bolt	Torque to 240 ± 20 N·m (177 ± 15 lb ft).
8	2	8S-2331 Bolt	Torque to 240 ± 20 N·m (177 ± 15 lb ft).
9	2	101-1367 Idler Shaft	Diameter is 81.000 ± 0.010 mm (3.1889 ± 0.0004 inch).
10	1	101-1365 Thrust Plate	Thickness is 6.35 ± 0.25 mm (0.250 ± 0.010 inch).
11	1	261-3140	Before assembly, clean the taper of the camshaft and the tapered bore of the camshaft drive gear with lint free cloth saturated with cleaning solvent to remove excess oil. clean with alcohol wipe.

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