2001/02/05 Caterpillar

An Improved Slip Joint is Available {3253}

Usage:

Load Haul Dump: R1700G (S/N: 8XZ)

Service Magazine SEPD0564, 5 February 2001, "An Improved Slip Joint is Available". Disregard this article. Refer to the following article. The information in Table 1 has changed.

Reference: Service Manual, RENR4656 (9EP5386), "R1700G LHD - Volume 2", Disassembly and Assembly, RENR4661 (9EP5391), "R1700G LHD Power Train", "Drive Shaft (Center) - Remove and Install".

Reference: Service Manual, RENR4656 (9EP5386), "R1700G LHD - Volume 2", Specifications, RENR4659 (9EP5389), "R1700G LHD Power Train", "Drive Shafts".

Reference: Service Manual, RENR4656 (9EP5386), "R1700G LHD - Volume 2", Operation and Maintenance Manual, SEBU7323 (9EP5408), "R1700G LHD", "Drive Shaft Universal Joints, Splines, and Bearings - Lubricate".

Description of Change: An improved slip joint is now available. The new 161-8201 Slip Joint Group has a heavy duty spline, larger universal joints, and manual spline lubrication.

Adaptable To: The new 161-8201 Slip Joint Group is effective with R1700G (S/N: 8XZ259-UP). The new 161-8201 Slip Joint is adaptable to R1700G (S/N: 8XZ1-258) by using the following procedure.

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Table 1
Service Parts that are Needed for Installation of the new 161-8201 Slip Joint Group
Item	Qty	Part Number	Description
2	1	9EP7746	Yoke ⁽¹⁾
11	1	9EP8313	Yoke ⁽²⁾
12	1	161-8201	Slip Joint Group
13	8	0S-2318	Bolt

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^( 1 )	9EP7746 Yoke is located at the end of the drive shaft that is closest to the transmission.
^( 2 )	9EP8313 Yoke is located at the center bearing end of the drive shaft.

Procedure

Remove the center drive shaft. Refer to Disassembly and Assembly, RENR4661 (9EP5391), "R1700G LHD Power Train", "Drive Shaft (Center) - Remove and Install".

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Illustration 1	g00772245
View of the output transfer gears (1) Yoke

Remove yoke (1). Discard yoke (1) .

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Illustration 2	g00772246
(2) 9EP7746 Yoke

Install new 9EP7746 Yoke (2). Refer to Specifications, RENR4659 (9EP5389), "R1700G LHD Power Train", "Drive Shafts".

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Illustration 3	g00772247
(3) Yoke

Remove yoke (3). Discard yoke (3) .

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Illustration 4	g00772248
161-8201 Slip Joint Group Refer to Table 2 for identification of the items that are in Illustration 4.

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Table 2
Service Parts for 161-8201 Slip Joint Group
Item	Qty	Part Number	Description
4	2	8V-1540	Spider and Bearing Group
5	2	3B-8489		Grease Fitting
6	1	162-3115	Shaft Assembly
7	1	4B-4550		Relief Fitting
8	1	2G-4563		Seal Kit
9	1	3B-8489		Grease Fitting
10	8	0S-2318	Bolt

Apply 4C-9507 Retaining Compound to the threads of 0S-2318 Bolts (10) prior to assembly. Tighten the bolts to a torque value of 300 ± 20 N·m (220 ± 15 lb ft).

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Illustration 5	g00772251
Typical view of the drive shafts (2) 9EP7746 Yoke (11) 9EP8313 Yoke (12) 161-8201 Slip Joint Group (13) 0S-2318 Bolt

Install new 9EP8313 Yoke (11). Refer to Specifications, RENR4659 (9EP5389), "R1700G LHD Power Train", "Drive Shafts".

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NOTICE

All yokes must be in alignment when the drive shafts are installed.

Install new 161-8201 Slip Joint Group (12). Apply 4C-9507 Retaining Compound to the threads of 0S-2318 Bolts (13). Tighten the bolts to a torque value of 300 ± 20 N·m (220 ± 15 lb ft).

Lubricate the drive shaft assembly. Refer to Operation and Maintenance Manual, SEBU7323 (9EP5408), "R1700G LHD", "Drive Shaft Universal Joints, Splines, and Bearings - Lubricate".