994K Wheel Loader Power Train Caterpillar

Assembly Procedure

Reference: Special Instruction, "Visual Service Procedures - Colors and Symbols" M0066576.

Table 1

Required Tools
Tool	Part Number	Part Description	Qty
A	422-2353	Stand	2
E	439-3939	Link Bracket	1
J	369-9451	Grease	-
K	1P-0520	Driver Group	1
M	9U-6248	Guide Bolt	2
N	-	Eyebolt (5/8 - 11) 65mm	1

Illustration 1	g06284998

Illustration 2	g06284999

Illustration 3	g06285000

Illustration 4	g06285001

Illustration 5	g06285002

Illustration 6	g06285003

Illustration 7	g06285004

Illustration 8	g06285006

Illustration 9	g06285007

Note: Make sure that O-ring seal is not installed on the bearing cage at this time.

Illustration 10	g06285008

Illustration 11	g06285009

Illustration 12	g06285010
Repeat Step 11 and Step 12 until the torque stabilizes.

Illustration 13	g06285011

Illustration 14	g06285012
Repeat Step 13 and Step 14 until the torque stabilizes at 68 N·m (50 lb ft).

Illustration 15	g06285013
This will ensure end play.

Illustration 16	g06285014

Illustration 17	g06285015
Repeat Step 16 and Step 17 until the torque stabilizes.

Illustration 18	g06285016
Use a standard feeler gauge to measure the gap between the bearing cage and housing assembly at the two marked points. Average the two measurements.

Illustration 19	g06285017

Illustration 20	g06285019
Add 0.28 mm (0.011 inch) to the average measurements from the Step 18 to achieve the shim pack thickness.

Illustration 21	g06285020

Illustration 22	g06285021
Measure the end play for the output shaft. The end play should be 0.12 ± 0.07 mm (0.005 ± 0.003 inch).

Illustration 23	g06285023

Illustration 24	g06285024

Illustration 25	g06285025

Illustration 26	g06285026

Illustration 27	g06285027

Illustration 28	g06285028

Illustration 29	g06285030

Illustration 30	g06285031
Repeat Step 29 and Step 30 until the torque stabilizes.

Illustration 31	g06285032

Illustration 32	g06285033
Repeat Step 31 and Step 32 until the torque stabilizes.

Illustration 33	g06285034

Illustration 34	g06285175

Illustration 35	g06285035
Repeat Step 34 and Step 35 until the torque stabilizes.

Illustration 36	g06285036
Use a standard feeler gauge to measure the gap between the bearing cage and housing assembly at the two marked points. Average the two measurements.

Illustration 37	g06285037

Illustration 38	g06285038
Add 0.28 mm (0.011 inch) to the average measurements from the Step 36 to achieve the shim pack thickness.

Illustration 39	g06285040
Measure the end play for the output shaft. The end play should be 0.12 ± 0.07 mm (0.005 ± 0.003 inch).

Illustration 40	g06285041

Illustration 41	g06285042

Illustration 42	g06285043

Illustration 43	g06285044

Illustration 44	g06285045

Illustration 45	g06285046

Illustration 46	g06285047

Illustration 47	g06285048

Illustration 48	g06285049

Illustration 49	g06285050

Illustration 50	g06285051

Illustration 51	g06285052

Illustration 52	g06285053

Illustration 53	g06285054

Note: Make sure that O-ring seal is not installed on the bearing cage at this time.

Illustration 54	g06285055

Illustration 55	g06285056

Illustration 56	g06285082
Repeat Step 55 and Step 56 until the torque stabilizes.

Note: Output shaft will be pointing downward at this time.

Illustration 57	g06285083

Illustration 58	g06285085
Repeat Step 57 and Step 58 until the torque stabilizes.

Illustration 59	g06285199

Illustration 60	g06285088

Illustration 61	g06285089
Repeat Step 60 and Step 61 until the torque stabilizes.

Note: The output shaft will be pointing downward at this time.

Illustration 62	g06285090
Use a standard feeler gauge to measure the gap between the bearing cage and housing assembly at the two marked points. Average the two measurements.

Illustration 63	g06285091

Illustration 64	g06285092
Add 0.25 mm (0.010 inch) to the average measurements from the Step 62 to achieve the shim pack thickness.

Illustration 65	g06285093

Illustration 66	g06285094
Measure the end play for the output shaft. The end play should be 0.12 ± 0.07 mm (0.005 ± 0.003 inch).

Illustration 67	g06285096

Illustration 68	g06285097

Illustration 69	g06285098

Illustration 70	g06285099

Illustration 71	g06285100

Note: Make sure that O-ring seal is not installed on bearing cage at this time.

Illustration 72	g06285101

Illustration 73	g06285103

Illustration 74	g06285105
Repeat Step 73 and Step 74 until the torque stabilizes.

Note: The output shaft will be pointing downward at this time.

Illustration 75	g06285106

Illustration 76	g06285108
Repeat Step 75 and Step 76 until the torque stabilizes.

Illustration 77	g06285220

Illustration 78	g06285109

Illustration 79	g06285111

Illustration 80	g06285114
Use a standard feeler gauge to measure the gap between the bearing cage and housing assembly at the two marked points. Average the two measurements.

Illustration 81	g06285237

Illustration 82	g06285115
Add 0.25 mm (0.010 inch) to the average measurements from the Step 80 to achieve the shim pack thickness.

Illustration 83	g06285116

Illustration 84	g06285117
Measure the end play for the output shaft. The end play should be 0.12 ± 0.07 mm (0.005 ± 0.003 inch).

Illustration 85	g06285118

Illustration 86	g06285119

Illustration 87	g06285121

Illustration 88	g06285122

End By:

1. Connect the rear pump drive to the engine.