PRODUCT SUPPORT PROGRAM FOR REPLACING THE ETHERNET SWITCH ON CERTAIN 793F CMD OFF-HIGHWAY TRUCKS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE ETHERNET SWITCH ON CERTAIN 793F CMD OFF-HIGHWAY TRUCKS

Usage:

TEBE1621-00

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07Jul2014

A-289

D-359

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Before/After Parts stock action needed	PRODUCT SUPPORT PROGRAM FOR REPLACING THE ETHERNET SWITCH ON CERTAIN 793F CMD OFF-HIGHWAY TRUCKS
7750 1408 7301		PS44397

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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 "PS44397" 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.

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NOTE:

When submitting claim for Parts Stock Action, Use the appropriate 99Z as the s/n, the appropriate Service Letter Program Number as the Part number in the Part Causing Failure field, "7755" as the Group Number, "56" as the Description Code.

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NOTE:

Although this Program is to be administered as described above on the Affected Product, parts should be removed from parts stock as soon as possible.

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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.

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TERMINATION DATE

31Jul2016

PROBLEM

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The existing ethernet switch 4 can fail on certain 793F CMD Off-Highway Trucks. If the existing switch fails it can cease functioning and potentially damage the attached ethernet cable.

AFFECTED PRODUCT

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Model	Identification Number
793F CMD	RBT00111-00171

PARTS NEEDED

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Qty	Part Number	Description
1	3416783	SWITCH-ETHERNET
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 28% 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

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****Parts Stock ****

Remove all 341-6783-02 Ethernet Switch and earlier change levels from dealer parts stock.

****Affected Product****

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1.1 Prepare the truck for rework
Refer to the Operation and Maintenance Manual.
? Raise and pin the truck bed.
? Turn OFF the engine.
? Turn OFF the master power disconnect switch.
? Lockout the engine starter.

1.2 Locate Ethernet Switch 4
? Switch 4 is located in the back of the truck cab. Refer to Image 1.

1.3 Remove and Replace Switch
? Note the cable connector positions on the switch.
? Remove the cables from the switch.
? Remove the four mounting bolts securing the switch (save the hardware).
? Install the new ethernet switch, change 03 or greater using the existing hardware.
? Reinstall the cable connectors.

1.4 Restore Truck to Service
? Verify the switch and all connectors are secured.
? Ensure all tools are removed.
? Check Switch Power
a. With the engine still OFF.
b. The lockout for the engine starter still applied.
c. Turn ON the master power disconnect switch.
d. Visually check the ethernet switch 4 power indicator light turns on (is green)

? Reinstall access covers.
? Restore system per local procedures.

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Image1

SERVICE CLAIM ALLOWANCES

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****Parts Stock****

Submit one claim for all parts removed from dealer parts stock.

****Affected Product****

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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%
0-10000 hrs, 0-24 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%