PRODUCT SUPPORT PROGRAM FOR REORIENTING AND SECURING THE STEERING AND FAN HOSES ON CERTAIN 797F AND 797F XQ OFF-HIGHWAY TRUCKS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REORIENTING AND SECURING THE STEERING AND FAN HOSES ON CERTAIN 797F AND 797F XQ OFF-HIGHWAY TRUCKS

Usage:

TEBE8692-00

Show/hide table

17Mar2019

U-133

A-105

D-109

O-113

Show/hide table

Before/After	PRODUCT SUPPORT PROGRAM FOR REORIENTING AND SECURING THE STEERING AND FAN HOSES ON CERTAIN 797F AND 797F XQ OFF-HIGHWAY TRUCKS
4304		PS46159

Show/hide table

NOTE:

Caterpillar’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to Caterpillar.

NOTE:

This Program must be administered either before or after failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS46159" as the Part Number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and "T" as the SIMS Description code. If administered after failure, use "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.

Show/hide table

NOTE:

The information supplied in this service letter may not be valid after the termination date of this program. Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.

Show/hide table

TERMINATION DATE

31Mar2020

PROBLEM

Show/hide table

The existing 345-2179 Steering Hose and 431-3850 Fan Hose on certain 797F and 797F XQ Off-Highway Trucks can rub on each other if not properly oriented. If the existing hoses rub, it can cause an external hydraulic oil leak.

AFFECTED PRODUCT

Show/hide table

Model	Identification Number
797F	LAJ00141-00659 LTZ00140-00150
797F XQ	WSP00100-00129

PARTS NEEDED

Show/hide table

Qty	Part Number	Description
2	6V1572	CLIP-HALF SLOT
2	6V1573	CLIP-HALF TAB
2	6V1875	GROMMET
2	7X7729	WASHER-HARD
1	8T6466	BOLT-HEX HEAD
1	3445675	NUT-HEX
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 32% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.

ACTION REQUIRED

Show/hide table

Refer to the Service Manual if/as necessary and see the attached rework procedure. It will be necessary to add additional clipping to prevent the hoses from contacting each other and to adjust the hose orientation at the pump connection.

Show/hide table

SERVICE CLAIM ALLOWANCES

Show/hide table

Product smu/age whichever comes first	Caterpillar		Dealer Suggested		Customer Suggested
Product smu/age whichever comes first	Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
0-75000 hrs, 0-150 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%

Show/hide table

NOTE: This is a 2.0-hour job

Show/hide table

PARTS DISPOSITION

Show/hide table

Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.

Rework Procedure

Show/hide table

Loosen the 345-2179 and 431-3850 Hose Assembly connections at the pumps.
Reorient hose and end fittings to ensure the routing does not touch another hose or other object.
Note: If the hose contacts any objects, it can reduce the life of the hose, or result in a leak or rupture of the hose during operation.

Reference Image1.1.2 for arrows and callout locations.

Image1.1.1

Image1.1.2

Install the clips and grommets onto the 345-2179 and 431-3850 Hose Assemblies as shown taking care to prevent the hoses from contacting any other stationary or moving components.

Tighten the hose connections at the pumps.

Reference Image1.2.2 for arrows and callout locations.