2009/07/13 Caterpillar

New Hoses Are Now Used On Some Medium Wheel Loaders {4304}

Usage:

950H J5J

Integrated Toolcarrier: IT62H (S/N: M5G1-UP)
Wheel Loader: 950H (S/N: N1A1-UP; M1G1-UP; J5J1-UP; K5K1-UP) 962H (S/N: N4A1-UP; M3G1-UP; J6J1-UP; K6K1-UP)

Service Magazine, SEPD0987, 13 April 2009, "New Hoses Are Now Used On Some Medium Wheel Loaders". Disregard this article. Refer to the article that follows.

Description of Change: The routing of the hoses that go from the main valve to the neutralizer valves then to the steering control valves are now used. The hoses improve service life and reliability.

Adaptable To: The new hose and clamps are adaptable to the following machines:

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Table 1
Sales Model	Serial number
950H	(S/N: K5K1-2653; M1G1-1653; N1A1-2999; J5J1-1085)
962H	(S/N: K6K1-414; M3G1-527; N4A1-1196; J6J1-316)
IT62H	(S/N: M5G1-452)

The new hose and new clamps are effective with the following machines:

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Table 2
Sales Model	Serial Number
950H	(S/N: K5K2654-UP; M1G1654-UP; N1A3000-UP; J5J1086-UP)
962H	(S/N: K6K415-UP; M3G528-UP; N4A1197-UP; J6J317-UP)
IT62H	(S/N: M5G453-UP)

Required Parts

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Table 3
Callout	Part Number	Description	Qty
1	132-7551	Spacer	1
2	248-7465	Hose As	1
3	296-6980	Spacer	1
4	331-0048	Hose As	1
5	6D-4244	Clip	4
6	8T-4133	Nut	1
7	8T-4172	Bolt	1
8	8T-4185	Bolt	1

A change to the 279-9093 Bracket As (F) provides improved routing to the steering control valve.

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Illustration 1	g01879774
Original overview of rework

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Illustration 2	g01879794
Overview of new hose and clips

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Illustration 3	g01879775
New hose and clips

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Illustration 4	g01884536

Remove 245-1664 Hose As (A) and replace hose with 248-7465 Hose As (2) .

Remove 141-7687 Hose As (B) and replace hose with 331-0048 Hose As (4) .

Remove 6D-1641 Clip (C) and remove 173-8073 Spacer (D). Discard the parts.

Install two 6D-4244 Clips (5) in two places. Install a 296-6980 Spacer (3) onto the 279-9093 Bracket As (F). Use an 8T-4185 Bolt (8) and a 8T-4172 Bolt (7) .

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Illustration 5	g01879797
New hose and clips

Install two 6D-4244 Clips (5) onto the hoses that are routed to the neutralizer valves and the main valve. Install the 132-7551 Spacer (1) between the two 6D-4244 Clips (5). Use the existing bolt (G), hard washers (H) and 8T-4133 Nut (6) in order to secure the clips.