994K Wheel Loader Systems Caterpillar

Transmission Planetary

Usage:

994K MM9

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Illustration 1	g03890017

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Table 1
Specification for 388-2720 Transmission Planetary Gp
Item	Qty	Part	Specification Description
1	12	1D-4569 Bolt	Torque to 115 ± 7 N·m (85 ± 5 lb ft).

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Illustration 2	g03890004
Section A-A

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Table 2
Item	Qty	Part	Specification Description
2	17	5P-1670 Bolt	Torque to 410 ± 50 N·m (302 ± 37 lb ft).
3	Thickness of six new disc assemblies and five new clutch plates is 65.29 ± 0.88 mm (2.570 ± 0.035 inch):
	6	8E-0985 Clutch Disc	Thickness is 5.59 ± 0.08 mm (0.220 ± 0.003 inch).
	5	194-3811 Plate	Thickness is 6.35 ± 0.08 mm (0.250 ± 0.003 inch).
4	Thickness of six new disc assemblies and five new clutch plates is 65.29 ± 0.88 mm (2.570 ± 0.035 inch):
	6	8E-0985 Clutch Disc	Thickness is 5.59 ± 0.08 mm (0.220 ± 0.003 inch).
	5	194-3811 Plate	Thickness is 6.35 ± 0.08 mm (0.250 ± 0.003 inch).
5	Thickness of four new disc assemblies and three new clutch plates is 41.41 ± 0.56 mm (1.630 ± 0.022 inch):
	4	8E-0985 Clutch Disc	Thickness is 5.59 ± 0.08 mm (0.220 ± 0.003 inch).
	3	194-3811 Plate	Thickness is 6.35 ± 0.08 mm (0.250 ± 0.003 inch).
6	Thickness of three new disc assemblies and two new clutch plates is 29.47 ± 0.40 mm (1.160 ± 0.016 inch):
	3	8E-0985 Clutch Disc	Thickness is 5.59 ± 0.08 mm (0.220 ± 0.003 inch).
	2	194-3811 Plate	Thickness is 6.35 ± 0.08 mm (0.250 ± 0.003 inch).
7	Thickness of five new disc assemblies and four new clutch plates is 54.97 ± 0.72 mm (2.164 ± 0.028 inch):
	5	233-9748 Friction Disc	Thickness is 5.61 ± 0.08 mm (0.221 ± 0.003 inch)
	4	370-8590 Plate	Thickness is 6.73 ± 0.08 mm (0.265 ± 0.003 inch).
8	-	-	Lubricate the bore lightly with the lubricant that is being sealed.
9	1	183-3902 Plug As	Torque to 185 ± 15 N·m (136 ± 11 lb ft).
10	2	8F-6230 O-Ring Seal	Lubricate the bore lightly with the lubricant that is being sealed.
11	12	3P-7566 Spring	Length under test force is 74.4 mm (2.93 inch). Test force is 305.0 ± 16.0 N (68.6 ± 3.6 lb). Free length after test is 86.1 mm (3.39 inch).

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Illustration 3	g03890005

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Table 3
Item	Qty	Part	Specification Description
12	24	1S-8480 Spring	Length under test force is 66.5 mm (2.62 inch). Test force is 222.4 ± 17.8 N (50.0 ± 4.0 lb). Free length after test is 83.1 mm (3.27 inch).
13	24	9H-5537 Spring	Length under test force is 46.7 mm (1.84 inch). Test force is 127.89 ± 10.23 N (28.75 ± 2.30 lb). Free length after test is 62.7 mm (2.47 inch).
14	2	315-9859 Plug As	Torque to 100 ± 10 N·m (74 ± 7 lb ft).
15	-	-	Apply green Loctite 648 to the surface.