2000/07/10 Caterpillar

Installation Procedure for Current Counterweights and Deflector {7055, 7056}

Usage:

45 1DR

Agricultural Tractors: Challenger 35 (PIN: 8DN1-UP) Challenger 45 (PIN: 1DR1-UP) Challenger 55 (PIN: 7DM1-UP)

The following procedure provides the necessary information that is needed to retrofit the 160-3794 Counterweight Gp to earlier Challenger Agricultural Tractors. The 160-3794 Counterweight Gp is presently being used on 1999 and later Row Crop Tractors and Tillage Tractors. The information that is necessary for the installation of the 176-5801 Deflector is also included in this article.

Note: You must remove all former front counterweights and chin weights from your machine. After this modification, use only the counterweights that are listed in this installation procedure.

Removal of 125-0461 Counterweight Gp

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Table 1
Required Parts for 125-0461 Counterweight Gp
Item	Part Number	Part Description	Qty
1	125-0466	Counterweight	10
2	129-0401	Retainer Nut	2
3	128-7800	Bolt	2
4	9X-8257	Washer	14
5	125-0463	Plate	1
6	6V-5686	Bolt (M16 x 50 mm)	8
7	125-0464	Plate (right)	1
8	126-8932	Spacer	2
9	7F-6112	Bolt (1 1/4 - 12 THD)	2
10	2K-7468	Locknut (1 1/4 - 12 THD)	2
11	7X-0533	Hard Washer	2
12	125-0465	Plate	1
13	8T-4779	Bolt (M10)	4
14	125-0462	Front Support	1

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Illustration 1	g00701449
125-0461 Counterweight Gp (A) Front view (B) Top view

Remove the items in the 125-0461 Counterweight Gp. These items are shown in Table 1 and Illustration 1.

Installation of 160-3794 Counterweight Gp

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Table 2
Required Parts for 160-3794 Counterweight Gp
Item	Part Number	Part Description	Qty
15	108-1118	Rod	4
16	108-1120	Plate (6.35 mm THK)	2
17	113-2017	Plate (16 mm THK)	2
18	156-8464	Bracket	1
19	159-0130	Plate (20 mm THK)	2
20	160-8798	Plate (right hand)	1
21	160-8799	Plate (left hand)	1
22	140-8238	Seal (520 mm (20.5 inch))	2
23	165-4275	Weight	15
24	7X-0448	Nut (5/8 - inch 11 NC THD)	4
25	8T-4123	Plated Washer (3.5 mm THK)	24
26	8T-4131	Nut (M20 x 2.5 mm)	12
27	8T-4140	Bolt (M16 x 2 mm x 60 mm long)	8
28	8T-4187	Bolt (M20 x 2.5 mm x 80 mm long)	12
29	9X-8257	Washer (3.5 mm THK)	8

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Illustration 2	g00701731
(C) Top view (D) Right front view (E) Front two holes

Increase the diameter of front two holes (C) on each side of the frame rail from 19.00 mm (0.748 inch) to 22.00 mm (0.866 inch).

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Illustration 3	g00701550
Top view

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Illustration 4	g00701546

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Illustration 5	g00701467
Right side view

Install the 160-3794 Counterweight Gp. The items are listed in Table 2 and Illustrations 3, 4, and 5.

Installation of 176-5801 Deflector

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Table 3
Required Parts for 176-5801 Deflector
Item	Part Number	Part Description	Qty
30	8T-4121	Hard Washer (2.5 mm THK)	2
31	8T-4196	Bolt (M10 x 1.5 mm)	3
32	8T-4222	Plated Washer (2.5 mm THK)	1
33	176-5801	Deflector	1

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Illustration 6	g00701776
(G) Top view (H) Left side view

Remove bolt (J) and the washer that holds the clip for the oil cooler line. This clip is on the top inner surface of the left hand frame rail. Save the parts for later use.

Position 176-5801 Deflector (33) on top of the frame rails. The left tab on the deflector must slide under the clip for the oil cooler line.

Loosely install two 8T-4196 Bolts (31) with two 8T-4121 Hard Washers (30) into the weld nuts. The bolts go through the front deflector lip and into the clearance holes on the frame crossmember. See Illustration 6.

Loosely reinstall bolt (J), the washer, and the clip that was removed in Step 1. These parts retain the left tab on deflector (33) .

Loosely install 8T-4196 Bolt (31) and 8T-4222 Plated Washer (32). This will retain the right side tab on deflector (4) to the right frame rail (clearance hole with weld nut).